https://www.mongodb.com/docs/manual/tutorial/rotate-x509-member-cert/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Rotate X.509 Certificates on Self-Managed Clusters
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</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#about-this-task" target="_self">
<span>
About This Task
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#steps" target="_self">
<span>
Steps
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#learn-more" target="_self">
<span>
Learn More
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<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
7.0
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
Cluster members can use X.509 certificates for
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/security-internal-authentication/#std-label-internal-auth-x509">
membership
authentication
</a>
to identify other servers
in the same deployment.
</p>
<p class="leafygreen-ui-1kp3ins">
When the server receives a connection request, it compares the
Distinguished Name (DN) values or the extension value string
of the certificate to the configured values of the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.tls.clusterAuthX509">
<code class="leafygreen-ui-1l06pbn">
clusterAuthX509
</code>
</a>
setting and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.tlsClusterAuthX509Override">
<code class="leafygreen-ui-1l06pbn">
tlsClusterAuthX509Override
</code>
</a>
parameter.
If the values match, it treats the connection as a cluster member.
</p>
<p class="leafygreen-ui-1kp3ins">
Clusters adopting new certificates can use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.tlsClusterAuthX509Override">
<code class="leafygreen-ui-1l06pbn">
tlsClusterAuthX509Override
</code>
</a>
parameter to accept X.509 certificates
with different DN attributes during the certificate rotation procedure. Once
all members use certificates with the new value, remove the override to begin
rejecting the now out of date certificates.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
To perform a rolling update to rotate certificates on a cluster that doesn't
use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.tls.clusterAuthX509">
<code class="leafygreen-ui-1l06pbn">
net.tls.clusterAuthX509
</code>
</a>
settings and won't after the update,
see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/rotate-x509-membership-certificates/#std-label-x509-rolling-update">
Rolling Update of x.509 Certificates that Contain New DN on Self-Managed Clusters
<!-- -->
.
</a>
</p>
</div>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
About This Task
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</h2>
<p class="leafygreen-ui-1kp3ins">
Consider a replica set where member certificates
(set using the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.tls.clusterFile">
<code class="leafygreen-ui-1l06pbn">
clusterFile
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.tls.certificateKeyFile">
<code class="leafygreen-ui-1l06pbn">
certificateKeyFile
</code>
</a>
settings)
have Distinguished Name (DN) values that use the
<code class="leafygreen-ui-1l06pbn">
10gen
</code>
organization
and
<code class="leafygreen-ui-1l06pbn">
10gen Server
</code>
organizational unit (set using the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.tls.clusterAuthX509.attributes">
<code class="leafygreen-ui-1l06pbn">
attributes
</code>
</a>
setting).
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"security:\n clusterAuthMode: x509\nnet:\n tls:\n mode: requireTLS\n certificateKeyFile: /etc/mycerts/10gen-server1.pem\n CAFile: /etc/mycerts/ca.pem\n clusterFile: /etc/mycerts/10gen-cluster1.pem\n clusterCAFile: /etc/mycerts/ca.pem\n clusterAuthX509:\n attributes: O=10gen, OU=10gen Server","programmingLanguage":"YAML"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light yaml leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">security:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">clusterAuthMode:</span> <span class="lg-highlight-string">x509</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">net:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">tls:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">mode:</span> <span class="lg-highlight-string">requireTLS</span></td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">certificateKeyFile:</span> <span class="lg-highlight-string">/etc/mycerts/10gen-server1.pem</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">CAFile:</span> <span class="lg-highlight-string">/etc/mycerts/ca.pem</span></td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">clusterFile:</span> <span class="lg-highlight-string">/etc/mycerts/10gen-cluster1.pem</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">clusterCAFile:</span> <span class="lg-highlight-string">/etc/mycerts/ca.pem</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">clusterAuthX509:</span></td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">attributes:</span> <span class="lg-highlight-string">O=10gen,</span> <span class="lg-highlight-string">OU=10gen</span> <span class="lg-highlight-string">Server</span></td></tr></tbody></table></code></pre>
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<p class="leafygreen-ui-1kp3ins">
This tutorial assumes that the new X.509 certificates meet
membership certificate and all other requirements and that
the cluster configuration identifies peer certificates
using Distinguished Name (DN) values.
</p>
<p class="leafygreen-ui-1kp3ins">
For details, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/security-x.509/#std-label-x509-member-certificate-requirements">
Member Certificate Requirements
<!-- -->
.
</a>
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Steps
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
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<div class="css-1btu0w3 evvkmar0" id="steps">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
These steps update member certificates to use new X.509 certificates on a cluster
configured with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.tls.clusterAuthX509.attributes">
<code class="leafygreen-ui-1l06pbn">
attributes
</code>
</a>
setting.
</p>
<p class="leafygreen-ui-1kp3ins">
The new certificates have Distinguished Names (DN) that change the
Organization (O) attributes from
<code class="leafygreen-ui-1l06pbn">
10gen
</code>
to
<code class="leafygreen-ui-1l06pbn">
MongoDB
</code>
and the
Organizational Unit (OU) attribute from
<code class="leafygreen-ui-1l06pbn">
10gen Server
</code>
to
<code class="leafygreen-ui-1l06pbn">
MongoDB Server
</code>
.
</p>
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1
</div>
</div>
<div class="css-clrhqf">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Update the TLS Cluster Membership Configuration
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<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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<div class="css-1btu0w3 evvkmar0" id="update-the-tls-cluster-membership-configuration">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Update the configuration file of each server:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Change
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.tls.clusterAuthX509.attributes">
<code class="leafygreen-ui-1l06pbn">
attributes
</code>
</a>
setting to use
the values on the new certificate
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Set the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.tlsClusterAuthX509Override">
<code class="leafygreen-ui-1l06pbn">
tlsClusterAuthX509Override
</code>
</a>
parameter to use the
DN attributes of the old certificate.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
For example:
</p>
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</script>
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<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light yaml leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">net:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">tls:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">mode:</span> <span class="lg-highlight-string">requireTLS</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">certificateKeyFile:</span> <span class="lg-highlight-string">/etc/mycerts/mongodb-server1.pem</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">CAFile:</span> <span class="lg-highlight-string">/etc/mycerts/ca.pem</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">clusterFile:</span> <span class="lg-highlight-string">/etc/mycerts/mongodb-cluster1.pem</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">clusterCAFile:</span> <span class="lg-highlight-string">/etc/mycerts/ca.pem</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">clusterAuthX509:</span></td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">attributes:</span> <span class="lg-highlight-string">O=MongoDB,</span> <span class="lg-highlight-string">OU=MongoDB</span> <span class="lg-highlight-string">Server</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">security:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">clusterAuthMode:</span> <span class="lg-highlight-string">x509</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">setParameter:</span></td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">tlsClusterAuthX509Override:</span> <!-- -->{<!-- --> <span class="lg-highlight-attr">attributes:</span> <span class="lg-highlight-string">O=10gen</span>,<!-- --> <span class="lg-highlight-string">OU=10gen</span> <span class="lg-highlight-string">Server</span> <!-- -->}</td></tr></tbody></table></code></pre>
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</div>
</button>
</div>
</div>
</div>
</div>
</section>
</div>
</div>
<div class="css-vq8pj5 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-18jxsvu e1ckbxcu2">
2
</div>
</div>
<div class="css-clrhqf">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Restart Secondary Cluster Members
<a class="headerlink leafygreen-ui-1kepx47" href="#restart-secondary-cluster-members" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="restart-secondary-cluster-members">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Restart each secondary cluster member:
</p>
<ol class="leafygreen-ui-rioki0" type="1">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Use
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#std-program-mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
to connect to each secondary cluster member,
then use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.shutdownServer/#mongodb-method-db.shutdownServer">
<code class="leafygreen-ui-1l06pbn">
db.shutdownServer()
</code>
</a>
method to stop the server:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"use admin\ndb.shutdownServer()","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">use admin</td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">shutdownServer</span>(<!-- -->)</td></tr></tbody></table></code></pre>
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<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Restart the server.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.status/#mongodb-method-rs.status">
<code class="leafygreen-ui-1l06pbn">
rs.status()
</code>
</a>
method to determine the member state:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"rs.status().members","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">rs.<span class="lg-highlight-title lg-highlight-function">status</span>(<!-- -->).<span class="lg-highlight-property">members</span></td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Wait for the
<code class="leafygreen-ui-1l06pbn">
stateStr
</code>
field for this member to show a value of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-states/#mongodb-replstate-replstate.SECONDARY">
<code class="leafygreen-ui-1l06pbn">
SECONDARY
</code>
</a>
, then restart the next secondary.
</p>
</li>
</ol>
<p class="leafygreen-ui-1kp3ins">
Secondary servers in the replica set now accept peer connections from
members using certificates with the new DN attributes.
</p>
</section>
</div>
</div>
<div class="css-vq8pj5 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-18jxsvu e1ckbxcu2">
3
</div>
</div>
<div class="css-clrhqf">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Restart Primary Cluster Member
<a class="headerlink leafygreen-ui-1kepx47" href="#restart-primary-cluster-member" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="restart-primary-cluster-member">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Restart the primary member:
</p>
<ol class="leafygreen-ui-rioki0" type="1">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Connect to the primary using
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#std-program-mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
, then use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.stepDown/#mongodb-method-rs.stepDown">
<code class="leafygreen-ui-1l06pbn">
rs.stepDown()
</code>
</a>
method to step the member down as the
primary:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"rs.stepDown()","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">rs.<span class="lg-highlight-title lg-highlight-function">stepDown</span>(<!-- -->)</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The cluster promotes a secondary with the new certificate to serve
as the new primary.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.shutdownServer/#mongodb-method-db.shutdownServer">
<code class="leafygreen-ui-1l06pbn">
db.shutdownServer()
</code>
</a>
method to shut the server down:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"use admin\ndb.shutdownServer()","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">use admin</td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">shutdownServer</span>(<!-- -->)</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Restart the server.
</p>
</li>
</ol>
<p class="leafygreen-ui-1kp3ins">
The primary server in the replica set steps down and restarts as a
secondary that now accepts peer connections from members using
certificates with the new DN attributes.
</p>
</section>
</div>
</div>
<div class="css-vq8pj5 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-18jxsvu e1ckbxcu2">
4
</div>
</div>
<div class="css-clrhqf">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Update the TLS Certificates
<a class="headerlink leafygreen-ui-1kepx47" href="#update-the-tls-certificates" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="update-the-tls-certificates">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Update the configuration file of each server:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Change the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.tls.certificateKeyFile">
<code class="leafygreen-ui-1l06pbn">
net.tls.certificateKeyFile
</code>
</a>
setting to use the
new certificate.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Change the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.tls.clusterFile">
<code class="leafygreen-ui-1l06pbn">
net.tls.clusterFile
</code>
</a>
setting to use the
new certificate.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
For example:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"net:\n tls:\n mode: requireTLS\n certificateKeyFile: /etc/mycerts/mongodb-server2.pem\n CAFile: /etc/mycerts/ca.pem\n clusterFile: /etc/mycerts/mongodb-cluster2.pem\n clusterCAFile: /etc/mycerts/ca.pem\n clusterAuthX509:\n attributes: O=MongoDB, OU=MongoDB Server\nsecurity:\n clusterAuthMode: x509\nsetParameter:\n tlsClusterAuthX509Override: { attributes: O=10gen, OU=10gen Server }","programmingLanguage":"YAML"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light yaml leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">net:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">tls:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">mode:</span> <span class="lg-highlight-string">requireTLS</span></td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">certificateKeyFile:</span> <span class="lg-highlight-string">/etc/mycerts/mongodb-server2.pem</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">CAFile:</span> <span class="lg-highlight-string">/etc/mycerts/ca.pem</span></td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">clusterFile:</span> <span class="lg-highlight-string">/etc/mycerts/mongodb-cluster2.pem</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">clusterCAFile:</span> <span class="lg-highlight-string">/etc/mycerts/ca.pem</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">clusterAuthX509:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">attributes:</span> <span class="lg-highlight-string">O=MongoDB,</span> <span class="lg-highlight-string">OU=MongoDB</span> <span class="lg-highlight-string">Server</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">security:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">clusterAuthMode:</span> <span class="lg-highlight-string">x509</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">setParameter:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">tlsClusterAuthX509Override:</span> <!-- -->{<!-- --> <span class="lg-highlight-attr">attributes:</span> <span class="lg-highlight-string">O=10gen</span>,<!-- --> <span class="lg-highlight-string">OU=10gen</span> <span class="lg-highlight-string">Server</span> <!-- -->}</td></tr></tbody></table></code></pre>
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</div>
</section>
</div>
</div>
<div class="css-vq8pj5 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-18jxsvu e1ckbxcu2">
5
</div>
</div>
<div class="css-clrhqf">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Restart Secondary Cluster Members
<a class="headerlink leafygreen-ui-1kepx47" href="#restart-secondary-cluster-members-1" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="restart-secondary-cluster-members-1">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Restart each secondary cluster member:
</p>
<ol class="leafygreen-ui-rioki0" type="1">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Use
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#std-program-mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
to connect to each secondary cluster member,
then use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.shutdownServer/#mongodb-method-db.shutdownServer">
<code class="leafygreen-ui-1l06pbn">
db.shutdownServer()
</code>
</a>
method to stop the server:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"use admin\ndb.shutdownServer()","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">use admin</td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">shutdownServer</span>(<!-- -->)</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</button>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Restart the server.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.status/#mongodb-method-rs.status">
<code class="leafygreen-ui-1l06pbn">
rs.status()
</code>
</a>
method to determine the member state:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"rs.status().members","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">rs.<span class="lg-highlight-title lg-highlight-function">status</span>(<!-- -->).<span class="lg-highlight-property">members</span></td></tr></tbody></table></code></pre>
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
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</button>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Wait for the
<code class="leafygreen-ui-1l06pbn">
stateStr
</code>
field for this member to show a value of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-states/#mongodb-replstate-replstate.SECONDARY">
<code class="leafygreen-ui-1l06pbn">
SECONDARY
</code>
</a>
, then restart the next secondary.
</p>
</li>
</ol>
<p class="leafygreen-ui-1kp3ins">
Secondary servers in the replica set now use the new X.509 certificates.
</p>
</section>
</div>
</div>
<div class="css-vq8pj5 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-18jxsvu e1ckbxcu2">
6
</div>
</div>
<div class="css-clrhqf">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Restart Primary Cluster Member
<a class="headerlink leafygreen-ui-1kepx47" href="#restart-primary-cluster-member-1" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="restart-primary-cluster-member-1">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Restart the primary member:
</p>
<ol class="leafygreen-ui-rioki0" type="1">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Connect to the primary using
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#std-program-mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
, then use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.stepDown/#mongodb-method-rs.stepDown">
<code class="leafygreen-ui-1l06pbn">
rs.stepDown()
</code>
</a>
method to step the member down as the
primary:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"rs.stepDown()","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">rs.<span class="lg-highlight-title lg-highlight-function">stepDown</span>(<!-- -->)</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The cluster promotes a secondary with the new certificate to serve
as the new primary.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.shutdownServer/#mongodb-method-db.shutdownServer">
<code class="leafygreen-ui-1l06pbn">
db.shutdownServer()
</code>
</a>
method to shut the server down:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"use admin\ndb.shutdownServer()","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">use admin</td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">shutdownServer</span>(<!-- -->)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Restart the server.
</p>
</li>
</ol>
<p class="leafygreen-ui-1kp3ins">
The primary server in the replica set steps down and restarts as a
secondary that uses the new X.509 certificate.
</p>
</section>
</div>
</div>
<div class="css-vq8pj5 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-18jxsvu e1ckbxcu2">
7
</div>
</div>
<div class="css-clrhqf">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Remove the DN Certification Override Configuration
<a class="headerlink leafygreen-ui-1kepx47" href="#remove-the-dn-certification-override-configuration" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="remove-the-dn-certification-override-configuration">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
With all members of the cluster now using the new X.509 certificate,
update the configuration file to remove the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-setParameter">
<code class="leafygreen-ui-1l06pbn">
setParameter
</code>
</a>
settings for the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.tlsClusterAuthX509Override">
<code class="leafygreen-ui-1l06pbn">
tlsClusterAuthX509Override
</code>
</a>
parameter.
</p>
<p class="leafygreen-ui-1kp3ins">
For example:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"net:\n tls:\n mode: requireTLS\n certificateKeyFile: /etc/mycerts/mongodb-server1.pem\n CAFile: /etc/mycerts/ca.pem\n clusterFile: /etc/mycerts/mongodb-cluster1.pem\n clusterCAFile: /etc/mycerts/ca.pem\n clusterAuthX509:\n attributes: O=MongoDB, OU=MongoDB Server\nsecurity:\n clusterAuthMode: x509","programmingLanguage":"YAML"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light yaml leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">net:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">tls:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">mode:</span> <span class="lg-highlight-string">requireTLS</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">certificateKeyFile:</span> <span class="lg-highlight-string">/etc/mycerts/mongodb-server1.pem</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">CAFile:</span> <span class="lg-highlight-string">/etc/mycerts/ca.pem</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">clusterFile:</span> <span class="lg-highlight-string">/etc/mycerts/mongodb-cluster1.pem</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">clusterCAFile:</span> <span class="lg-highlight-string">/etc/mycerts/ca.pem</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">clusterAuthX509:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">attributes:</span> <span class="lg-highlight-string">O=MongoDB,</span> <span class="lg-highlight-string">OU=MongoDB</span> <span class="lg-highlight-string">Server</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">security:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">clusterAuthMode:</span> <span class="lg-highlight-string">x509</span></td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
This ensures that the server doesn't configure the old certificate
settings on startup.
</p>
</section>
</div>
</div>
<div class="css-vq8pj5 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-18jxsvu e1ckbxcu2">
8
</div>
</div>
<div class="css-clrhqf">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Restart Secondary Cluster Members
<a class="headerlink leafygreen-ui-1kepx47" href="#restart-secondary-cluster-members-2" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="restart-secondary-cluster-members-2">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Restart each secondary cluster member:
</p>
<ol class="leafygreen-ui-rioki0" type="1">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Use
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#std-program-mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
to connect to each secondary cluster member,
then use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.shutdownServer/#mongodb-method-db.shutdownServer">
<code class="leafygreen-ui-1l06pbn">
db.shutdownServer()
</code>
</a>
method to stop the server:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"use admin\ndb.shutdownServer()","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">use admin</td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">shutdownServer</span>(<!-- -->)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Restart the server.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.status/#mongodb-method-rs.status">
<code class="leafygreen-ui-1l06pbn">
rs.status()
</code>
</a>
method to determine the member state:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"rs.status().members","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">rs.<span class="lg-highlight-title lg-highlight-function">status</span>(<!-- -->).<span class="lg-highlight-property">members</span></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Wait for the
<code class="leafygreen-ui-1l06pbn">
stateStr
</code>
field for this member to show a value of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-states/#mongodb-replstate-replstate.SECONDARY">
<code class="leafygreen-ui-1l06pbn">
SECONDARY
</code>
</a>
, then restart the next secondary.
</p>
</li>
</ol>
<p class="leafygreen-ui-1kp3ins">
Secondary servers in the replica set restart and no longer accept
connections from the old X.509 certificates.
</p>
</section>
</div>
</div>
<div class="css-vq8pj5 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-18jxsvu e1ckbxcu2">
9
</div>
</div>
<div class="css-clrhqf">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Restart Primary Cluster Member
<a class="headerlink leafygreen-ui-1kepx47" href="#restart-primary-cluster-member-2" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="restart-primary-cluster-member-2">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Restart the primary member:
</p>
<ol class="leafygreen-ui-rioki0" type="1">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Connect to the primary using
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#std-program-mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
, then use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.stepDown/#mongodb-method-rs.stepDown">
<code class="leafygreen-ui-1l06pbn">
rs.stepDown()
</code>
</a>
method to step the member down as the
primary:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"rs.stepDown()","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">rs.<span class="lg-highlight-title lg-highlight-function">stepDown</span>(<!-- -->)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The cluster promotes a secondary with the new certificate to serve
as the new primary.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.shutdownServer/#mongodb-method-db.shutdownServer">
<code class="leafygreen-ui-1l06pbn">
db.shutdownServer()
</code>
</a>
method to shut the server down:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"use admin\ndb.shutdownServer()","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">use admin</td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">shutdownServer</span>(<!-- -->)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Restart the server.
</p>
</li>
</ol>
<p class="leafygreen-ui-1kp3ins">
The primary server steps down and restarts as a secondary that no longer
accepts connections from the old X.509 certificates.
</p>
</section>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Learn More
<a class="headerlink leafygreen-ui-1kepx47" href="#learn-more" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="learn-more">
</div>
</a>
</h2>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/security-x.509/#std-label-security-auth-x509">
x.509
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/configure-x509-member-authentication/#std-label-x509-internal-authentication">
Use x.509 Certificate for Membership Authentication with Self-Managed MongoDB
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/upgrade-keyfile-to-x509/#std-label-upgrade-to-x509-internal-authentication">
Upgrade Self-Managed MongoDB from Keyfile Authentication to x.509 Authentication
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/rotate-x509-to-extensionValue/#std-label-x509-rotate-member-to-extensionValue">
Rotate X.509 Certificates to Use Extension Values on Self-Managed Clusters
</a>
</p>
</li>
</ul>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/command/dropUser/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
dropUser
<a class="headerlink leafygreen-ui-1kepx47" href="#dropuser" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="dropuser">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
<span>
Definition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#compatibility" target="_self">
<span>
Compatibility
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#syntax" target="_self">
<span>
Syntax
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#command-fields" target="_self">
<span>
Command Fields
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#required-access" target="_self">
<span>
Required Access
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#example" target="_self">
<span>
Example
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Definition
<a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="definition">
</div>
</a>
</h2>
<dl class="dbcommand">
<dt>
<code class="leafygreen-ui-1l06pbn">
dropUser
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-dbcommand-dbcmd.dropUser" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-dbcommand-dbcmd.dropUser">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Removes the user from the database on which you run the command.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
In
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#std-program-mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
, this command can also be run through the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.dropUser/#mongodb-method-db.dropUser">
<code class="leafygreen-ui-1l06pbn">
db.dropUser()
</code>
</a>
helper method
<!-- -->
.
</p>
<p class="leafygreen-ui-1kp3ins">
Helper methods are convenient for
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#std-program-mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
users, but they may not
return the same level of information as database commands. In cases where
the convenience is not needed or the additional return fields are required,
use the database command.
</p>
</div>
</div>
</dd>
</dl>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Compatibility
<a class="headerlink leafygreen-ui-1kepx47" href="#compatibility" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="compatibility">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
This command is available in deployments hosted in the following environments:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas?tck=docs_server" target="_self">
<span>
MongoDB Atlas
</span>
</a>
: The fully
managed service for MongoDB deployments in the cloud
</p>
</li>
</ul>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
This command is not supported in M10+ clusters.
For more information, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/unsupported-commands/" target="_self">
<span>
Unsupported Commands
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-enterprise/#std-label-install-mdb-enterprise">
MongoDB Enterprise
</a>
: The
subscription-based, self-managed version of MongoDB
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-community/#std-label-install-mdb-community-edition">
MongoDB Community
</a>
: The
source-available, free-to-use, and self-managed version of MongoDB
</p>
</li>
</ul>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Syntax
<a class="headerlink leafygreen-ui-1kepx47" href="#syntax" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="syntax">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The command has the following syntax:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.runCommand(\n {\n dropUser: \"<user>\",\n writeConcern: { <write> },\n comment: <any>\n }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">dropUser</span>: <span class="lg-highlight-string">"<user>"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">writeConcern</span>: <!-- -->{ <!-- --><write concern> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> comment: <any></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</button>
</div>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Command Fields
<a class="headerlink leafygreen-ui-1kepx47" href="#command-fields" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="command-fields">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The command has the following fields:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:20%"/>
<col style="width:80%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Field
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Type
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
dropUser
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
string
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The name of the user to delete. You must issue the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.dropUser" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
dropUser
</code>
</span>
</a>
command while using the database where the
user exists.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
writeConcern
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
document
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Optional. The level of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#std-label-write-concern">
write concern
</a>
for the
operation. See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#std-label-wc-specs">
Write Concern Specification
<!-- -->
.
</a>
</p>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
comment
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
any
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Optional. A user-provided comment to attach to this command. Once set, this
comment appears alongside records of this command in the following
locations:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/log-messages/#std-label-log-messages-ref">
mongod log messages
</a>
, in the
<code class="leafygreen-ui-1l06pbn">
attr.command.cursor.comment
</code>
field.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/database-profiler/#std-label-profiler">
Database profiler
</a>
output, in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/database-profiler/#mongodb-data-system.profile.command">
<code class="leafygreen-ui-1l06pbn">
command.comment
</code>
</a>
field.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/currentOp/#mongodb-dbcommand-dbcmd.currentOp">
<code class="leafygreen-ui-1l06pbn">
currentOp
</code>
</a>
output, in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/currentOp/#mongodb-data-currentOp.command">
<code class="leafygreen-ui-1l06pbn">
command.comment
</code>
</a>
field.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
A comment can be any valid
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/bson-types/#std-label-bson-types">
BSON type
</a>
(string, integer, object, array, etc).
</p>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<p class="leafygreen-ui-1kp3ins">
Before dropping a user who has the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/built-in-roles/#mongodb-authrole-userAdminAnyDatabase">
<code class="leafygreen-ui-1l06pbn">
userAdminAnyDatabase
</code>
</a>
role, ensure you have at least another user with user administration
privileges.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Required Access
<a class="headerlink leafygreen-ui-1kepx47" href="#required-access" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="required-access">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
You must have the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#mongodb-authaction-dropUser">
<code class="leafygreen-ui-1l06pbn">
dropUser
</code>
</a>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#std-label-security-user-actions">
action
</a>
on a database to drop a user from that database.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Example
<a class="headerlink leafygreen-ui-1kepx47" href="#example" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="example">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The following sequence of operations in
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
removes
<code class="leafygreen-ui-1l06pbn">
reportUser1
</code>
from the
<code class="leafygreen-ui-1l06pbn">
products
</code>
database:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"use products\ndb.runCommand( {\n dropUser: \"reportUser1\",\n writeConcern: { w: \"majority\", wtimeout: 5000 }\n} )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">use products</td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>( <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">dropUser</span>: <span class="lg-highlight-string">"reportUser1"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">writeConcern</span>: <!-- -->{ <span class="lg-highlight-attr">w</span>: <span class="lg-highlight-string">"majority"</span>, <span class="lg-highlight-attr">wtimeout</span>: <span class="lg-highlight-number">5000</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">} )</td></tr></tbody></table></code></pre>
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</section>
</section>
|
https://www.mongodb.com/docs/manual/tutorial/install-mongodb-enterprise-with-docker/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Install MongoDB Enterprise with Docker
<a class="headerlink leafygreen-ui-1kepx47" href="#install-mongodb-enterprise-with-docker" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="install-mongodb-enterprise-with-docker">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#about-this-task" target="_self">
<span>
About This Task
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#before-you-begin" target="_self">
<span>
Before You Begin
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#steps" target="_self">
<span>
Steps
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#next-steps--optional-" target="_self">
<span>
Next Steps (Optional)
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#learn-more" target="_self">
<span>
Learn More
</span>
</a>
</li>
</ul>
</div>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
The recommended solutions for using containers with MongoDB are:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
For development and testing use the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://hub.docker.com/r/mongodb/mongodb-community-server/" rel="noopener noreferrer">
<span>
MongoDB Community Docker container
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
.
This image is maintained by MongoDB. The image contains the
Community Edition of MongoDB.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
For MongoDB Enterprise production installations, use the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/kubernetes-operator/master/kind-quick-start/" target="_self">
<span>
Enterprise Kubernetes Operator
</span>
</a>
to deploy and manage MongoDB clusters within Kubernetes.
</p>
</li>
</ul>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
You can run MongoDB Enterprise Edition as a Docker container using the
official MongoDB Enterprise image. Use a Docker container to run your
MongoDB deployment if you want to:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Quickly set up a deployment.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Avoid editing configuration files.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Test features from multiple versions of MongoDB.
</p>
</li>
</ul>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
About This Task
<a class="headerlink leafygreen-ui-1kepx47" href="#about-this-task" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="about-this-task">
</div>
</a>
</h2>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
This page assumes prior knowledge of Docker. A full description of
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://docs.docker.com/" rel="noopener noreferrer">
<span>
Docker
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
is beyond the scope of this
documentation.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
This procedure uses the official
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://hub.docker.com/r/mongodb/mongodb-enterprise-server" rel="noopener noreferrer">
<span>
MongoDB Enterprise Advanced Server
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
container, which is maintained by MongoDB.
</p>
</li>
</ul>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
MongoDB 5.0+ Docker images require
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://en.wikipedia.org/wiki/Advanced_Vector_Extensions" rel="noopener noreferrer">
<span>
AVX
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
support
on your system. If your system does not support AVX, you can
use a docker image of MongoDB prior to version 5.0.
</p>
<div class="leafygreen-ui-1sjx7ru" role="note">
<h2 class="leafygreen-ui-29m78u">
Warning
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Versions of MongoDB prior to 5.0 are EOL'd and
no longer supported by MongoDB. These versions should be used for
testing purposes only.
</p>
</div>
</div>
</li>
</ul>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Before You Begin
<a class="headerlink leafygreen-ui-1kepx47" href="#before-you-begin" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="before-you-begin">
</div>
</a>
</h2>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Install
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://docs.docker.com/install/" rel="noopener noreferrer">
<span>
Docker
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Install
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/install/" target="_self">
<span>
mongosh
</span>
</a>
</p>
</li>
</ul>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Steps
<a class="headerlink leafygreen-ui-1kepx47" href="#steps" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="steps">
</div>
</a>
</h2>
<script class="structured_data" type="application/ld+json">
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1
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<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Pull the MongoDB Docker Image
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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</h3>
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<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light shell leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">docker pull mongodb/mongodb-enterprise-server:latest</td></tr></tbody></table></code></pre>
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2
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</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Run the Image as a Container
<a class="headerlink leafygreen-ui-1kepx47" href="#run-the-image-as-a-container" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="run-the-image-as-a-container">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"docker run --name mongodb -p 27017:27017 -d mongodb/mongodb-enterprise-server:latest","programmingLanguage":"Shell"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light shell leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">docker run --name mongodb -p 27017:27017 -d mongodb/mongodb-enterprise-server:latest</td></tr></tbody></table></code></pre>
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</div>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
-p 27017:27017
</code>
in this command maps the container port to the host port.
This allows you to connect to MongoDB with a
<code class="leafygreen-ui-1l06pbn">
localhost:27017
</code>
connection string.
</p>
<p class="leafygreen-ui-1kp3ins">
To install a specific version of MongoDB, specify the version
after the
<code class="leafygreen-ui-1l06pbn">
:
</code>
in the Docker run command. Docker pulls and
runs the specified version.
</p>
<p class="leafygreen-ui-1kp3ins">
For example, to run MongoDB 5.0:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"docker run --name mongodb -p 27017:27017 -d mongodb/mongodb-enterprise-server:5.0-ubuntu2004","programmingLanguage":"Shell"}
</script>
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<div class="leafygreen-ui-196mwvg">
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<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light shell leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">docker run --name mongodb -p 27017:27017 -d mongodb/mongodb-enterprise-server:5.0-ubuntu2004</td></tr></tbody></table></code></pre>
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</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For a full list of available versions, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://hub.docker.com/r/mongodb/mongodb-enterprise-server/tags" rel="noopener noreferrer">
<span>
Tags
<!-- -->
.
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
Add Command Line Options
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
You can use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-file-settings-command-line-options-mapping/#std-label-conf-file-command-line-mapping">
mongod command-line options
</a>
by appending the command-line options to the docker run command.
</p>
<p class="leafygreen-ui-1kp3ins">
For example, consider the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--replSet">
<code class="leafygreen-ui-1l06pbn">
mongod --replSet
</code>
</a>
docker command-line option:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"docker run -p 27017:27017 -d mongodb/mongodb-enterprise-server:latest --name mongodb --replSet myReplicaSet","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">docker run -p 27017:27017 -d mongodb<!-- -->/mongodb-enterprise-server<!-- -->:latest --name mongodb --replSet myReplicaSet</td></tr></tbody></table></code></pre>
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</div>
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</div>
</div>
</div>
</div>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
3
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Check that the Container is Running
<a class="headerlink leafygreen-ui-1kepx47" href="#check-that-the-container-is-running" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="check-that-the-container-is-running">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To check the status of your Docker container, run the following
command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"docker container ls","programmingLanguage":"Shell"}
</script>
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<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light shell leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">docker container ls</td></tr></tbody></table></code></pre>
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</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The output from the
<code class="leafygreen-ui-1l06pbn">
ls
</code>
command lists the following fields that
describe the running container:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
Container ID
</code>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
Image
</code>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
Command
</code>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
Created
</code>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
Status
</code>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
Port
</code>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
Names
</code>
</p>
</li>
</ul>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES\nc29db5687290 mongodb-enterprise-server:latest \"docker-entrypoint.s…\" 4 seconds ago Up 3 seconds 27017/tcp mongo","programmingLanguage":"Shell"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-tyg50d">
<pre class="leafygreen-ui-1453az5" tabindex="0"><code class="lg-highlight-hljs-light shell leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES</td></tr><tr class=""><td class="leafygreen-ui-7razhx">c29db5687290 mongodb-enterprise-server:latest "docker-entrypoint.s…" 4 seconds ago Up 3 seconds 27017/tcp mongo</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
4
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Connect to the MongoDB Deployment with
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#connect-to-the-mongodb-deployment-with-mongosh" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="connect-to-the-mongodb-deployment-with-mongosh">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongosh --port 27017","programmingLanguage":"Shell"}
</script>
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<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light shell leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongosh --port 27017</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</div>
</button>
</div>
</div>
</div>
</div>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
5
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Validate Your Deployment
<a class="headerlink leafygreen-ui-1kepx47" href="#validate-your-deployment" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="validate-your-deployment">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To confirm your MongoDB instance is running, run the
<code class="leafygreen-ui-1l06pbn">
Hello
</code>
command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.runCommand(\n {\n hello: 1\n }\n)","programmingLanguage":"Shell"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light shell leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.runCommand(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> hello: 1</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The result of this command returns a document describing your
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
deployment:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n isWritablePrimary: true,\n topologyVersion: {\n processId: ObjectId(\"63c00e27195285e827d48908\"),\n counter: Long(\"0\")\n},\n maxBsonObjectSize: 16777216,\n maxMessageSizeBytes: 48000000,\n maxWriteBatchSize: 100000,\n localTime: ISODate(\"2023-01-12T16:51:10.132Z\"),\n logicalSessionTimeoutMinutes: 30,\n connectionId: 18,\n minWireVersion: 0,\n maxWireVersion: 20,\n readOnly: false,\n ok: 1\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">isWritablePrimary</span>: <span class="lg-highlight-literal">true</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">topologyVersion</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">processId</span>: <span class="lg-highlight-title lg-highlight-class">ObjectId</span>(<span class="lg-highlight-string">"63c00e27195285e827d48908"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">counter</span>: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">maxBsonObjectSize</span>: <span class="lg-highlight-number">16777216</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">maxMessageSizeBytes</span>: <span class="lg-highlight-number">48000000</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">maxWriteBatchSize</span>: <span class="lg-highlight-number">100000</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">localTime</span>: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2023-01-12T16:51:10.132Z"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">logicalSessionTimeoutMinutes</span>: <span class="lg-highlight-number">30</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">connectionId</span>: <span class="lg-highlight-number">18</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">minWireVersion</span>: <span class="lg-highlight-number">0</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">maxWireVersion</span>: <span class="lg-highlight-number">20</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">readOnly</span>: <span class="lg-highlight-literal">false</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">ok</span>: <span class="lg-highlight-number">1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</section>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Next Steps (Optional)
<a class="headerlink leafygreen-ui-1kepx47" href="#next-steps--optional-" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="next-steps--optional-">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
You can use
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://github.com/sigstore/cosign" rel="noopener noreferrer">
<span>
Cosign
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
to verify
MongoDB's signature for container images.
</p>
<p class="leafygreen-ui-1kp3ins">
This procedure is optional. You do not need to verify MongoDB's
signature to run MongoDB on Docker or any other containerized platform.
</p>
<p class="leafygreen-ui-1kp3ins">
To verify MongoDB's container signature, perform the following steps:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"For installation instructions, see the Cosign GitHub repository.","name":"Download and install Cosign"},{"@type":"HowToStep","text":"Download the MongoDB Server container image's public key"},{"@type":"HowToStep","text":"Run the following command to verify the signature by tag:","name":"Verify the signature"}],"name":"Next Steps (Optional)","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
</script>
<div class="css-4nyere eccljxs0">
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Download and install Cosign
<a class="headerlink leafygreen-ui-1kepx47" href="#download-and-install-cosign" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="download-and-install-cosign">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
For installation instructions, see the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://github.com/sigstore/cosign" rel="noopener noreferrer">
<span>
Cosign GitHub repository
<!-- -->
.
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</p>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Download the MongoDB Server container image's public key
<a class="headerlink leafygreen-ui-1kepx47" href="#download-the-mongodb-server-container-image-s-public-key" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="download-the-mongodb-server-container-image-s-public-key">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"curl https://cosign.mongodb.com/server.pem > server.pem","programmingLanguage":"Shell"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light shell leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">curl https://cosign.mongodb.com/server.pem > server.pem</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
3
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Verify the signature
<a class="headerlink leafygreen-ui-1kepx47" href="#verify-the-signature" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="verify-the-signature">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Run the following command to verify the signature by tag:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"COSIGN_REPOSITORY=docker.io/mongodb/signatures cosign verify --private-infrastructure --key=./server.pem docker.io/mongodb/mongodb-enterprise-server:latest","programmingLanguage":"Shell"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light shell leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">COSIGN_REPOSITORY=docker.io/mongodb/signatures cosign verify --private-infrastructure --key=./server.pem docker.io/mongodb/mongodb-enterprise-server:latest</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Learn More
<a class="headerlink leafygreen-ui-1kepx47" href="#learn-more" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="learn-more">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
For compatibility information, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/compatibility/docker" target="_self">
<span>
Docker & MongoDB
<!-- -->
.
</span>
</a>
</p>
</section>
</section>
|
https://www.mongodb.com/docs/manual/tutorial/install-mongodb-enterprise-on-windows-unattended/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Install MongoDB Enterprise on Windows using
<code class="leafygreen-ui-1l06pbn">
msiexec.exe
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#install-mongodb-enterprise-on-windows-using-msiexec.exe" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="install-mongodb-enterprise-on-windows-using-msiexec.exe">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#overview" target="_self">
<span>
Overview
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#considerations" target="_self">
<span>
Considerations
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#install-mongodb-enterprise-edition" target="_self">
<span>
Install MongoDB Enterprise Edition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#start-mongodb-enterprise-edition-as-a-windows-service" target="_self">
<span>
Start MongoDB Enterprise Edition as a Windows Service
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#stop-mongodb-enterprise-edition-as-a-windows-service" target="_self">
<span>
Stop MongoDB Enterprise Edition as a Windows Service
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#remove-mongodb-enterprise-edition-as-a-windows-service" target="_self">
<span>
Remove MongoDB Enterprise Edition as a Windows Service
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#start-mongodb-enterprise-edition-from-the-command-interpreter" target="_self">
<span>
Start MongoDB Enterprise Edition from the Command Interpreter
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#additional-considerations" target="_self">
<span>
Additional Considerations
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Overview
<a class="headerlink leafygreen-ui-1kepx47" href="#overview" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="overview">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Use this tutorial to install MongoDB 8.0
<!-- -->
Enterprise
<!-- -->
Edition on
Windows in an unattended fashion using
<code class="leafygreen-ui-1l06pbn">
msiexec.exe
</code>
from the command
line. This is useful for system administrators who wish to
deploy MongoDB using automation.
</p>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/products/mongodb-enterprise-advanced?tck=docs_server" target="_self">
<span>
MongoDB Enterprise Edition
</span>
</a>
is available on select platforms and contains support for several
features related to security and monitoring.
</p>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
MongoDB Version
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-version" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-version">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
This tutorial installs MongoDB 8.0
<!-- -->
Enterprise
<!-- -->
Edition. To install a different version of MongoDB
<!-- -->
Enterprise
<!-- -->
,
use the version drop-down menu in the upper-left corner of this page to
select the documentation for that version.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Installation Method
<a class="headerlink leafygreen-ui-1kepx47" href="#installation-method" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="installation-method">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
This tutorial installs MongoDB on Windows using the command-line tool
<code class="leafygreen-ui-1l06pbn">
msiexec.exe
</code>
. To install MongoDB using the graphical MSI Installer
instead, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/install-mongodb-enterprise-on-windows/#std-label-install-enterprise-windows">
Install MongoDB using the MSI Installer
<!-- -->
.
</a>
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Considerations
<a class="headerlink leafygreen-ui-1kepx47" href="#considerations" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="considerations">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
MongoDB Shell,
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-shell--mongosh" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-shell--mongosh">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The MongoDB Shell (
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/" target="_self">
<span>
mongosh
</span>
</a>
) is not installed with
MongoDB Server. You need to follow the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/install/" target="_self">
<span>
mongosh
installation instructions
</span>
</a>
to download and install
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/" target="_self">
<span>
mongosh
</span>
</a>
separately.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Platform Support
<a class="headerlink leafygreen-ui-1kepx47" href="#platform-support" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="platform-support">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
MongoDB 8.0 Enterprise Edition supports the following
<strong class="css-4dei7l">
64-bit
</strong>
versions of Windows on x86_64 architecture:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Windows Server 2022
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Windows Server 2019
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Windows 11
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
MongoDB only supports the 64-bit versions of these platforms.
</p>
<p class="leafygreen-ui-1kp3ins">
For more information, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/production-notes/#std-label-prod-notes-supported-platforms">
Platform Support
<!-- -->
.
</a>
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
MongoDB is not supported on Windows Subsystem for Linux (WSL). To
run MongoDB on Linux, use a supported Linux system.
</p>
</div>
</div>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Virtualization
<a class="headerlink leafygreen-ui-1kepx47" href="#virtualization" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="virtualization">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Oracle offers
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://docs.oracle.com/en/virtualization/virtualbox/6.0/admin/hyperv-support.html" rel="noopener noreferrer">
<span>
experimental support
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
for VirtualBox on Windows hosts where Hyper-V is running. However,
Microsoft does not support
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://docs.microsoft.com/en-us/troubleshoot/windows-client/application-management/virtualization-apps-not-work-with-hyper-v" rel="noopener noreferrer">
<span>
VirtualBox on Hyper-V
<!-- -->
.
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
Disable Hyper-V if you want to install MongoDB on Windows using VirtualBox.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Production Notes
<a class="headerlink leafygreen-ui-1kepx47" href="#production-notes" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="production-notes">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Before deploying MongoDB in a production environment, consider the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/production-notes/">
Production Notes for Self-Managed Deployments
</a>
document which offers
performance considerations and configuration recommendations for
production MongoDB deployments.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Full Time Diagnostic Data Capture
<a class="headerlink leafygreen-ui-1kepx47" href="#full-time-diagnostic-data-capture" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="full-time-diagnostic-data-capture">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
MongoDB logs diagnostic data to assist with troubleshooting. For
detailed information, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/full-time-diagnostic-data-capture/#std-label-ftdc-stub">
Full Time Diagnostic Data Capture
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
On Windows, to collect system data such as disk, cpu, and memory, FTDC requires Microsoft access permissions from the following groups:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Performance Monitor Users
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Performance Log Users
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
If the user running
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
is not an administrator, add them to these groups to log
FTDC data. For more information, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://learn.microsoft.com/en-us/windows/win32/perfctrs/restricting-access-to-performance-extension--dlls" rel="noopener noreferrer">
<span>
the Microsoft documentation here
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Install MongoDB Enterprise Edition
<a class="headerlink leafygreen-ui-1kepx47" href="#install-mongodb-enterprise-edition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="install-mongodb-enterprise-edition">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Procedure
<a class="headerlink leafygreen-ui-1kepx47" href="#procedure" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="procedure">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Follow these steps to install MongoDB
<!-- -->
Enterprise
<!-- -->
Edition unattended on
Windows from the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://docs.microsoft.com/en-us/windows-server/administration/windows-commands/cmd" rel="noopener noreferrer">
<span>
Windows command prompt/interpreter
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
(
<code class="leafygreen-ui-1l06pbn">
cmd.exe
</code>
) using
<code class="leafygreen-ui-1l06pbn">
msiexec.exe
</code>
.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"Download MongoDB Enterprise Edition.Download the MongoDB Enterprise .msi installer from the following\nlink:➤ MongoDB Download CenterIn the Version dropdown, select the version of\nMongoDB to download.In the Platform dropdown, select Windows.In the Package dropdown, select msi.Click Download."},{"@type":"HowToStep","text":"Run the Windows Installer from the Windows Command Interpreter.You must open the command interpreter as an\nAdministrator.Use the .msi installer to install all MongoDB binaries, including\nMongoDB Compass.From the Command Interpreter, go to the directory containing the\n.msi installation binary and run:The operation installs the binaries to the default directory\nC:\\Program Files\\MongoDB\\Server\\8.0\\bin.To specify a different installation location for the executables,\nadd the INSTALLLOCATION value.To suppress the installation of MongoDB\nCompass, you must explicitly include the\nSHOULD_INSTALL_COMPASS=\"0\" argument.To install specific MongoDB component sets, you can specify them in\nthe ADDLOCAL argument using a comma-separated list including one\nor more of the following component sets:Component Set NameBinaries Included in the Component SetServerNoServicemongod.exeServerServiceSet up mongod.exe as a Windows service.Routermongos.exeMonitoringToolsmongostat.exe,\nmongotop.exeImportExportToolsmongodump.exe,\nmongorestore.exe,\nmongoexport.exe,\nmongoimport.exeMiscellaneousToolsmongodecrypt.exe,\nmongokerberos.exe,\nmongoldap.exeFor example, to install the MongoDB server\n(mongod.exe) with the legacy mongo\nclient and then set up the MongoDB server as a Windows service,\nrun:To include Compass in the installs, remove SHOULD_INSTALL_COMPASS=\"0\"."}],"name":"Procedure","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
</script>
<div class="css-4nyere eccljxs0">
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Download MongoDB
<!-- -->
Enterprise
<!-- -->
Edition.
<a class="headerlink leafygreen-ui-1kepx47" href="#download-mongodb-edition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="download-mongodb-edition">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Download the MongoDB
<!-- -->
Enterprise
<!-- -->
<code class="leafygreen-ui-1l06pbn">
.msi
</code>
installer from the following
link:
</p>
<p class="leafygreen-ui-1kp3ins">
➤
<!-- -->
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/try/download/enterprise?tck=docs_server" target="_self">
<span>
MongoDB Download Center
</span>
</a>
</p>
<ol class="leafygreen-ui-rioki0" type="a">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
In the
<span class="guilabel css-h15tq0">
Version
</span>
dropdown, select the version of
MongoDB to download.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
In the
<span class="guilabel css-h15tq0">
Platform
</span>
dropdown, select
<span class="guilabel css-h15tq0">
Windows
</span>
.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
In the
<span class="guilabel css-h15tq0">
Package
</span>
dropdown, select
<span class="guilabel css-h15tq0">
msi
</span>
.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Click
<span class="guilabel css-h15tq0">
Download
</span>
.
</p>
</li>
</ol>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Run the Windows Installer from the Windows Command Interpreter.
<a class="headerlink leafygreen-ui-1kepx47" href="#run-the-windows-installer-from-the-windows-command-interpreter" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="run-the-windows-installer-from-the-windows-command-interpreter">
</div>
</a>
</h4>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
You must open the command interpreter as an
<span class="guilabel css-h15tq0">
Administrator
</span>
.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Use the
<code class="leafygreen-ui-1l06pbn">
.msi
</code>
installer to install all MongoDB binaries, including
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https:///www.mongodb.com/products/compass" target="_self">
<span>
MongoDB Compass
<!-- -->
.
</span>
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
From the Command Interpreter, go to the directory containing the
<code class="leafygreen-ui-1l06pbn">
.msi
</code>
installation binary and run:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"msiexec.exe /l*v mdbinstall.log /qb /i mongodb-windows-x86_64-enterprise-8.0-signed.msi\n"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">msiexec.exe /l*v mdbinstall.log /qb /i mongodb-windows-x86_64-enterprise-8.0-signed.msi</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The operation installs the binaries to the default directory
<code class="leafygreen-ui-1l06pbn">
C:\Program Files\MongoDB\Server\8.0\bin
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
To specify a different installation location for the executables,
add the
<code class="leafygreen-ui-1l06pbn">
INSTALLLOCATION
</code>
value.
</p>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"msiexec.exe /l*v mdbinstall.log /qb /i mongodb-windows-x86_64-enterprise-8.0-signed.msi ^\n INSTALLLOCATION=\"C:\\MongoDB\\Server\\8.0\\\"\n"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">msiexec.exe /l*v mdbinstall.log /qb /i mongodb-windows-x86_64-enterprise-8.0-signed.msi ^</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> INSTALLLOCATION="C:\MongoDB\Server\8.0\"</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
To suppress the installation of
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/compass/current/#std-label-compass-index" target="_self">
<span>
MongoDB
Compass
</span>
</a>
, you must explicitly include the
<code class="leafygreen-ui-1l06pbn">
SHOULD_INSTALL_COMPASS="0"
</code>
argument.
</p>
<script class="structured_data" type="application/ld+json">
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</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">msiexec.exe /l*v mdbinstall.log /qb /i mongodb-windows-x86_64-enterprise-8.0-signed.msi ^</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> SHOULD_INSTALL_COMPASS="0"</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
To install specific MongoDB component sets, you can specify them in
the
<code class="leafygreen-ui-1l06pbn">
ADDLOCAL
</code>
argument using a comma-separated list including one
or more of the following component sets:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:80%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Component Set Name
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Binaries Included in the Component Set
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
ServerNoService
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod.exe/#mongodb-binary-bin.mongod.exe">
<code class="leafygreen-ui-1l06pbn">
mongod.exe
</code>
</a>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
ServerService
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Set up
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod.exe/#mongodb-binary-bin.mongod.exe">
<code class="leafygreen-ui-1l06pbn">
mongod.exe
</code>
</a>
as a Windows service.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
Router
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos.exe/#mongodb-binary-bin.mongos.exe">
<code class="leafygreen-ui-1l06pbn">
mongos.exe
</code>
</a>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
MonitoringTools
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/database-tools/mongostat/#mongodb-binary-bin.mongostat" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongostat.exe
</code>
</span>
</a>
,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/database-tools/mongotop/#mongodb-binary-bin.mongotop" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongotop.exe
</code>
</span>
</a>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
ImportExportTools
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/database-tools/mongodump/#mongodb-binary-bin.mongodump" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongodump.exe
</code>
</span>
</a>
,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/database-tools/mongorestore/#mongodb-binary-bin.mongorestore" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongorestore.exe
</code>
</span>
</a>
,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/database-tools/mongoexport/#mongodb-binary-bin.mongoexport" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongoexport.exe
</code>
</span>
</a>
,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/database-tools/mongoimport/#mongodb-binary-bin.mongoimport" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongoimport.exe
</code>
</span>
</a>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
MiscellaneousTools
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
mongodecrypt.exe
</code>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongokerberos/#mongodb-binary-bin.mongokerberos">
<code class="leafygreen-ui-1l06pbn">
mongokerberos.exe
</code>
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongoldap/#mongodb-binary-bin.mongoldap">
<code class="leafygreen-ui-1l06pbn">
mongoldap.exe
</code>
</a>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<p class="leafygreen-ui-1kp3ins">
For example, to install the MongoDB server
(
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod.exe/#mongodb-binary-bin.mongod.exe">
<code class="leafygreen-ui-1l06pbn">
mongod.exe
</code>
</a>
) with the legacy
<code class="leafygreen-ui-1l06pbn">
mongo
</code>
client and then set up the MongoDB server as a Windows service,
run:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"msiexec.exe /l*v mdbinstall.log /qb /i mongodb-windows-x86_64-enterprise-8.0-signed.msi ^\n ADDLOCAL=\"ServerService,LegacyClient\" ^\n SHOULD_INSTALL_COMPASS=\"0\"\n"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">msiexec.exe /l*v mdbinstall.log /qb /i mongodb-windows-x86_64-enterprise-8.0-signed.msi ^</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ADDLOCAL="ServerService,LegacyClient" ^</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> SHOULD_INSTALL_COMPASS="0"</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
To include Compass in the installs, remove
<code class="leafygreen-ui-1l06pbn">
SHOULD_INSTALL_COMPASS="0"
</code>
.
</p>
</section>
</div>
</div>
</div>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Start MongoDB Enterprise Edition as a Windows Service
<a class="headerlink leafygreen-ui-1kepx47" href="#start-mongodb-enterprise-edition-as-a-windows-service" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="start-mongodb-enterprise-edition-as-a-windows-service">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
You can install and configure MongoDB as a
<span class="guilabel css-h15tq0">
Windows Service
</span>
during
the install, and the MongoDB service starts upon successful installation.
</p>
<p class="leafygreen-ui-1kp3ins">
To start/restart the MongoDB service, use the Services console:
</p>
<ol class="leafygreen-ui-rioki0" type="1">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
From the Services console, locate the MongoDB service.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Right-click on the MongoDB service and click
<span class="guilabel css-h15tq0">
Start
</span>
.
</p>
</li>
</ol>
<p class="leafygreen-ui-1kp3ins">
You can also manually manage the service from the command line. To
start the MongoDB service from the command line, open a
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://docs.microsoft.com/en-us/windows-server/administration/windows-commands/cmd" rel="noopener noreferrer">
<span>
Windows
command prompt/interpreter
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
(
<code class="leafygreen-ui-1l06pbn">
cmd.exe
</code>
) as an
<span class="guilabel css-h15tq0">
Administrator
</span>
, and
run the following command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"Start the MongoDB service.Close all other command prompts, then invoke the following command:"},{"@type":"HowToStep","text":"Verify that MongoDB has started successfully.Check your MongoDB log file for the following line:You may see non-critical warnings in the process\noutput. As long as you see this message in the MongoDB log, you can\nsafely ignore these warnings during your initial evaluation of\nMongoDB."},{"@type":"HowToStep","text":"Connect to the MongoDB server.If you have not already done so, follow the\nmongosh installation instructions to download\nand install the MongoDB Shell (mongosh).Be sure to add the path to your mongosh.exe binary to your\nPATH environment variable during installation.Open a new Command Interpreter and enter mongosh.exe\nto connect to MongoDB."}],"name":"Start MongoDB Enterprise Edition as a Windows Service","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
</script>
<div class="css-4nyere eccljxs0">
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Start the MongoDB service.
<a class="headerlink leafygreen-ui-1kepx47" href="#start-the-mongodb-service" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="start-the-mongodb-service">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Close all other command prompts, then invoke the following command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"net start MongoDB"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">net start MongoDB</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Verify that MongoDB has started successfully.
<a class="headerlink leafygreen-ui-1kepx47" href="#verify-that-mongodb-has-started-successfully" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="verify-that-mongodb-has-started-successfully">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Check your MongoDB log file for the following line:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"[initandlisten] waiting for connections on port 27017\n"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1agdxuk" tabindex="-1"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">[initandlisten] waiting for connections on port 27017</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
You may see non-critical warnings in the process
output. As long as you see this message in the MongoDB log, you can
safely ignore these warnings during your initial evaluation of
MongoDB.
</p>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
3
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Connect to the MongoDB server.
<a class="headerlink leafygreen-ui-1kepx47" href="#connect-to-the-mongodb-server" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="connect-to-the-mongodb-server">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
If you have not already done so, follow the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/install/" target="_self">
<span>
mongosh installation instructions
</span>
</a>
to download
and install the MongoDB Shell (
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/" target="_self">
<span>
mongosh
</span>
</a>
).
</p>
<p class="leafygreen-ui-1kp3ins">
Be sure to add the path to your
<code class="leafygreen-ui-1l06pbn">
mongosh.exe
</code>
binary to your
<code class="leafygreen-ui-1l06pbn">
PATH
</code>
environment variable during installation.
</p>
<p class="leafygreen-ui-1kp3ins">
Open a new
<span class="guilabel css-h15tq0">
Command Interpreter
</span>
and enter
<code class="leafygreen-ui-1l06pbn">
mongosh.exe
</code>
to connect to MongoDB.
</p>
</section>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Stop MongoDB Enterprise Edition as a Windows Service
<a class="headerlink leafygreen-ui-1kepx47" href="#stop-mongodb-enterprise-edition-as-a-windows-service" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="stop-mongodb-enterprise-edition-as-a-windows-service">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
To stop/pause the MongoDB service, use the Services console:
</p>
<ol class="leafygreen-ui-rioki0" type="1">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
From the Services console, locate the MongoDB service.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Right-click on the MongoDB service and click
<span class="guilabel css-h15tq0">
Stop
</span>
(or
<span class="guilabel css-h15tq0">
Pause
</span>
).
</p>
</li>
</ol>
<p class="leafygreen-ui-1kp3ins">
You can also manage the service from the command line. To stop the
MongoDB service from the command line, open a
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://docs.microsoft.com/en-us/windows-server/administration/windows-commands/cmd" rel="noopener noreferrer">
<span>
Windows command
prompt/interpreter
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
(
<code class="leafygreen-ui-1l06pbn">
cmd.exe
</code>
) as an
<span class="guilabel css-h15tq0">
Administrator
</span>
, and
run the following command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"net stop MongoDB"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">net stop MongoDB</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
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</button>
</div>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Remove MongoDB Enterprise Edition as a Windows Service
<a class="headerlink leafygreen-ui-1kepx47" href="#remove-mongodb-enterprise-edition-as-a-windows-service" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="remove-mongodb-enterprise-edition-as-a-windows-service">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
To remove the MongoDB service, first use the Services console to stop
the service. Then open a
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://docs.microsoft.com/en-us/windows-server/administration/windows-commands/cmd" rel="noopener noreferrer">
<span>
Windows command prompt/interpreter
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
(
<code class="leafygreen-ui-1l06pbn">
cmd.exe
</code>
) as an
<span class="guilabel css-h15tq0">
Administrator
</span>
, and run the following
command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sc.exe delete MongoDB"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sc.exe delete MongoDB</td></tr></tbody></table></code></pre>
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</button>
</div>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Start MongoDB Enterprise Edition from the Command Interpreter
<a class="headerlink leafygreen-ui-1kepx47" href="#start-mongodb-enterprise-edition-from-the-command-interpreter" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="start-mongodb-enterprise-edition-from-the-command-interpreter">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Open a
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://docs.microsoft.com/en-us/windows-server/administration/windows-commands/cmd" rel="noopener noreferrer">
<span>
Windows command prompt/interpreter
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
(
<code class="leafygreen-ui-1l06pbn">
cmd.exe
</code>
) as an
<span class="guilabel css-h15tq0">
Administrator
</span>
.
</p>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
You must open the command interpreter as an
<span class="guilabel css-h15tq0">
Administrator
</span>
.
</p>
</div>
</div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"Create database directory.Create the data directory where MongoDB stores data.\nMongoDB's default data directory path is the absolute path\n\\data\\db on the drive from which you start MongoDB.From the Command Interpreter, create the data directories:"},{"@type":"HowToStep","text":"Start your MongoDB database.To start MongoDB, run mongod.exe.The --dbpath option points to your\ndatabase directory.If the MongoDB database server is running correctly, the\nCommand Interpreter displays:Depending on the\nWindows Defender Firewall\nsettings on your Windows host, Windows may display a\nSecurity Alert dialog box about blocking\n\"some features\" of C:\\Program Files\\MongoDB\\Server\\8.0\\bin\\mongod.exe\nfrom communicating on networks. To remedy this issue:Click Private Networks, such as my home or work\nnetwork.Click Allow access.To learn more about security and MongoDB, see the\nSecurity Documentation."},{"@type":"HowToStep","text":"Connect to MongoDB.If you have not already done so, follow the\nmongosh installation instructions to download\nand install the MongoDB Shell (mongosh).Be sure to add the path to your mongosh.exe binary to your\nPATH environment variable during installation.Open a new Command Interpreter and enter mongosh.exe\nto connect to MongoDB.For more information on connecting to mongod using\nmongosh.exe, such as connecting to a MongoDB instance\nrunning on a different host and/or port, see\nConnect to a Deployment.For information on CRUD (Create, Read, Update, Delete) operations,\nsee:Insert DocumentsQuery DocumentsUpdate DocumentsDelete Documents"}],"name":"Start MongoDB Enterprise Edition from the Command Interpreter","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
</script>
<div class="css-4nyere eccljxs0">
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Create database directory.
<a class="headerlink leafygreen-ui-1kepx47" href="#create-database-directory" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="create-database-directory">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Create the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-dbpath">
data directory
</a>
where MongoDB stores data.
MongoDB's default data directory path is the absolute path
<code class="leafygreen-ui-1l06pbn">
\data\db
</code>
on the drive from which you start MongoDB.
</p>
<p class="leafygreen-ui-1kp3ins">
From the
<span class="guilabel css-h15tq0">
Command Interpreter
</span>
, create the data directories:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"cd C:\\\nmd \"\\data\\db\""}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">cd C:\</td></tr><tr class=""><td class="leafygreen-ui-7razhx">md "\data\db"</td></tr></tbody></table></code></pre>
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</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Start your MongoDB database.
<a class="headerlink leafygreen-ui-1kepx47" href="#start-your-mongodb-database" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="start-your-mongodb-database">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To start MongoDB, run
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod.exe/#mongodb-binary-bin.mongod.exe">
<code class="leafygreen-ui-1l06pbn">
mongod.exe
</code>
.
</a>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"\"C:\\Program Files\\MongoDB\\Server\\8.0\\bin\\mongod.exe\" --dbpath=\"c:\\data\\db\""}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">"C:\Program Files\MongoDB\Server\8.0\bin\mongod.exe" --dbpath="c:\data\db"</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--dbpath">
<code class="leafygreen-ui-1l06pbn">
--dbpath
</code>
</a>
option points to your
database directory.
</p>
<p class="leafygreen-ui-1kp3ins">
If the MongoDB database server is running correctly, the
<span class="guilabel css-h15tq0">
Command Interpreter
</span>
displays:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"[initandlisten] waiting for connections","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">[initandlisten] waiting <span class="lg-highlight-keyword">for</span> connections</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
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</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Depending on the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://learn.microsoft.com/en-us/windows/security/operating-system-security/network-security/windows-firewall/" rel="noopener noreferrer">
<span>
Windows Defender Firewall
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
settings on your Windows host, Windows may display a
<span class="guilabel css-h15tq0">
Security Alert
</span>
dialog box about blocking
"some features" of
<code class="leafygreen-ui-1l06pbn">
C:\Program Files\MongoDB\Server\8.0\bin\mongod.exe
</code>
from communicating on networks. To remedy this issue:
</p>
<ol class="leafygreen-ui-rioki0" type="a">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Click
<span class="guilabel css-h15tq0">
Private Networks, such as my home or work
network
</span>
.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Click
<span class="guilabel css-h15tq0">
Allow access
</span>
.
</p>
</li>
</ol>
<p class="leafygreen-ui-1kp3ins">
To learn more about security and MongoDB, see the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/security/#std-label-security">
Security Documentation
<!-- -->
.
</a>
</p>
</div>
</div>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
3
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Connect to MongoDB.
<a class="headerlink leafygreen-ui-1kepx47" href="#connect-to-mongodb" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="connect-to-mongodb">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
If you have not already done so, follow the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/install/" target="_self">
<span>
mongosh installation instructions
</span>
</a>
to download
and install the MongoDB Shell (
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/" target="_self">
<span>
mongosh
</span>
</a>
).
</p>
<p class="leafygreen-ui-1kp3ins">
Be sure to add the path to your
<code class="leafygreen-ui-1l06pbn">
mongosh.exe
</code>
binary to your
<code class="leafygreen-ui-1l06pbn">
PATH
</code>
environment variable during installation.
</p>
<p class="leafygreen-ui-1kp3ins">
Open a new
<span class="guilabel css-h15tq0">
Command Interpreter
</span>
and enter
<code class="leafygreen-ui-1l06pbn">
mongosh.exe
</code>
to connect to MongoDB.
</p>
<p class="leafygreen-ui-1kp3ins">
For more information on connecting to
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
using
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/" target="_self">
<span>
mongosh.exe
</span>
</a>
, such as connecting to a MongoDB instance
running on a different host and/or port, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/connect/" target="_self">
<span>
Connect to a Deployment
<!-- -->
.
</span>
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
For information on CRUD (Create, Read, Update, Delete) operations,
see:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/insert-documents/">
Insert Documents
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/query-documents/">
Query Documents
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/update-documents/">
Update Documents
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/remove-documents/">
Delete Documents
</a>
</p>
</li>
</ul>
</section>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Additional Considerations
<a class="headerlink leafygreen-ui-1kepx47" href="#additional-considerations" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="additional-considerations">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Localhost Binding by Default
<a class="headerlink leafygreen-ui-1kepx47" href="#localhost-binding-by-default" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="localhost-binding-by-default">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
By default, MongoDB launches with
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.bindIp">
<code class="leafygreen-ui-1l06pbn">
bindIp
</code>
</a>
set to
<code class="leafygreen-ui-1l06pbn">
127.0.0.1
</code>
, which binds to the localhost network interface. This
means that the
<code class="leafygreen-ui-1l06pbn">
mongod.exe
</code>
can only accept connections from
clients that are running on the same machine. Remote clients will not be
able to connect to the
<code class="leafygreen-ui-1l06pbn">
mongod.exe
</code>
, and the
<code class="leafygreen-ui-1l06pbn">
mongod.exe
</code>
will
not be able to initialize a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-replica-set">
replica set
</a>
unless this value is set
to a valid network interface.
</p>
<p class="leafygreen-ui-1kp3ins">
This value can be configured either:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
in the MongoDB configuration file with
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.bindIp">
<code class="leafygreen-ui-1l06pbn">
bindIp
</code>
</a>
, or
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
via the command-line argument
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--bind_ip">
<code class="leafygreen-ui-1l06pbn">
--bind_ip
</code>
</a>
</p>
</li>
</ul>
<div class="leafygreen-ui-1sjx7ru" role="note">
<h2 class="leafygreen-ui-29m78u">
Warning
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Before you bind your instance to a publicly-accessible IP address,
you must secure your cluster from unauthorized access. For a complete
list of security recommendations, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/security-checklist/#std-label-security-checklist">
Security Checklist for Self-Managed Deployments
</a>
. At minimum, consider
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/security-checklist/#std-label-checklist-auth">
enabling authentication
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/security-hardening/#std-label-network-config-hardening">
hardening
network infrastructure
<!-- -->
.
</a>
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For more information on configuring
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.bindIp">
<code class="leafygreen-ui-1l06pbn">
bindIp
</code>
</a>
, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/security-mongodb-configuration/">
IP Binding in Self-Managed Deployments
<!-- -->
.
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Point Releases and
<code class="leafygreen-ui-1l06pbn">
.msi
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#point-releases-and-.msi" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="point-releases-and-.msi">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
If you installed MongoDB with the Windows installer (
<code class="leafygreen-ui-1l06pbn">
.msi
</code>
), the
<code class="leafygreen-ui-1l06pbn">
.msi
</code>
automatically upgrades within the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/versioning/#std-label-release-version-numbers">
same release series
</a>
(e.g. 7.2.1 to 7.2.2).
</p>
<p class="leafygreen-ui-1kp3ins">
Upgrading a full release series (e.g. 6.0 to 7.0) requires a new
installation.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Add MongoDB binaries to the System PATH
<a class="headerlink leafygreen-ui-1kepx47" href="#add-mongodb-binaries-to-the-system-path" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="add-mongodb-binaries-to-the-system-path">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
All command-line examples in this tutorial are provided as absolute
paths to the MongoDB binaries. You can add
<code class="leafygreen-ui-1l06pbn">
C:\Program
Files\MongoDB\Server\8.0\bin
</code>
to your System
<code class="leafygreen-ui-1l06pbn">
PATH
</code>
and then
omit the full path to the MongoDB binaries.
</p>
</section>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/method/sh.removeShardTag/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
sh.removeShardTag()
<a class="headerlink leafygreen-ui-1kepx47" href="#sh.removeshardtag--" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="sh.removeshardtag--">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
<span>
Definition
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Definition
<a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="definition">
</div>
</a>
</h2>
<dl class="method">
<dt>
<code class="leafygreen-ui-1l06pbn">
sh.removeShardTag(shard, tag)
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-method-sh.removeShardTag" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-method-sh.removeShardTag">
</div>
</a>
</dt>
<dd>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
This method aliases to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/sh.removeShardFromZone/#mongodb-method-sh.removeShardFromZone">
<code class="leafygreen-ui-1l06pbn">
sh.removeShardFromZone()
</code>
</a>
. MongoDB provides
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/zone-sharding/#std-label-zone-sharding">
Zone sharding
</a>
as the successor to tag-aware sharding.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Removes the association between a tag and a shard. Only issue
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-sh.removeShardTag" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
sh.removeShardTag()
</code>
</span>
</a>
when connected to a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance.
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:20%"/>
<col style="width:80%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Parameter
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Type
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
shard
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
string
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The name of the shard from which to remove a tag.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
tag
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
string
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The name of the tag to remove from the shard.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/sh.addShardTag/#mongodb-method-sh.addShardTag">
<code class="leafygreen-ui-1l06pbn">
sh.addShardTag()
</code>
</a>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/sh.addTagRange/#mongodb-method-sh.addTagRange">
<code class="leafygreen-ui-1l06pbn">
sh.addTagRange()
</code>
</a>
</p>
</div>
</div>
</dd>
</dl>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/method/db.collection.watch/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
db.collection.watch()
<a class="headerlink leafygreen-ui-1kepx47" href="#db.collection.watch--" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="db.collection.watch--">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
<span>
Definition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#availability" target="_self">
<span>
Availability
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#deployment" target="_self">
<span>
Deployment
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#storage-engine" target="_self">
<span>
Storage Engine
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#read-concern-majority-support" target="_self">
<span>
Read Concern
<code class="css-1kekw28 e1wawog0">
majority
</code>
Support
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#behavior" target="_self">
<span>
Behavior
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#resumability" target="_self">
<span>
Resumability
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#full-document-lookup-of-update-operations" target="_self">
<span>
Full Document Lookup of Update Operations
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#access-control" target="_self">
<span>
Access Control
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#cursor-iteration" target="_self">
<span>
Cursor Iteration
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#examples" target="_self">
<span>
Examples
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#open-a-change-stream" target="_self">
<span>
Open a Change Stream
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#change-stream-with-full-document-update-lookup" target="_self">
<span>
Change Stream with Full Document Update Lookup
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#change-streams-with-document-pre--and-post-images" target="_self">
<span>
Change Streams with Document Pre- and Post-Images
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#change-stream-with-aggregation-pipeline-filter" target="_self">
<span>
Change Stream with Aggregation Pipeline Filter
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#resuming-a-change-stream" target="_self">
<span>
Resuming a Change Stream
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Definition
<a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="definition">
</div>
</a>
</h2>
<dl class="method">
<dt>
<code class="leafygreen-ui-1l06pbn">
db.collection.watch( pipeline, options )
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-method-db.collection.watch" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-method-db.collection.watch">
</div>
</a>
</dt>
<dd>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
mongosh Method
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
This page documents a
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
method. This is
<em>
not
</em>
the documentation for database commands or language-specific drivers,
such as Node.js.
</p>
<p class="leafygreen-ui-1kp3ins">
For the database command, see the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/aggregate/#mongodb-dbcommand-dbcmd.aggregate">
<code class="leafygreen-ui-1l06pbn">
aggregate
</code>
</a>
command with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/changeStream/#mongodb-pipeline-pipe.-changeStream">
<code class="leafygreen-ui-1l06pbn">
$changeStream
</code>
</a>
aggregation stage
<!-- -->
.
</p>
<p class="leafygreen-ui-1kp3ins">
For MongoDB API drivers, refer to the language-specific
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/drivers/" target="_self">
<span>
MongoDB driver documentation
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
<em>
For replica sets and sharded clusters only
</em>
</p>
<p class="leafygreen-ui-1kp3ins">
Opens a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/changeStreams/#std-label-changeStreams">
change stream cursor
</a>
on the
collection.
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:20%"/>
<col style="width:80%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Parameter
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Type
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
pipeline
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
array
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Optional. An
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/aggregation-pipeline/#std-label-aggregation-pipeline">
Aggregation Pipeline
</a>
consisting of one
or more of the following aggregation stages:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/addFields/#mongodb-pipeline-pipe.-addFields">
<code class="leafygreen-ui-1l06pbn">
$addFields
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/match/#mongodb-pipeline-pipe.-match">
<code class="leafygreen-ui-1l06pbn">
$match
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/project/#mongodb-pipeline-pipe.-project">
<code class="leafygreen-ui-1l06pbn">
$project
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/replaceRoot/#mongodb-pipeline-pipe.-replaceRoot">
<code class="leafygreen-ui-1l06pbn">
$replaceRoot
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/replaceWith/#mongodb-pipeline-pipe.-replaceWith">
<code class="leafygreen-ui-1l06pbn">
$replaceWith
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/redact/#mongodb-pipeline-pipe.-redact">
<code class="leafygreen-ui-1l06pbn">
$redact
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/set/#mongodb-pipeline-pipe.-set">
<code class="leafygreen-ui-1l06pbn">
$set
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/unset/#mongodb-pipeline-pipe.-unset">
<code class="leafygreen-ui-1l06pbn">
$unset
</code>
</a>
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
Specify a pipeline to filter/modify the change events output.
</p>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 4.2, change streams will throw an exception if
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/changeStreams/#std-label-change-stream-modify-output">
change stream aggregation pipeline
</a>
modifies an event's
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/change-events/#std-label-change-stream-event-id">
_id
</a>
field.
</p>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
options
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
document
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Optional. Additional options that modify the behavior of
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.collection.watch" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
watch()
</code>
.
</span>
</a>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
options
</code>
document can contain the following fields and values:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:20%"/>
<col style="width:80%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Field
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Type
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
resumeAfter
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
document
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Optional. Directs
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.collection.watch" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
watch()
</code>
</span>
</a>
to attempt resuming
notifications starting after the operation specified in the resume
token.
</p>
<p class="leafygreen-ui-1kp3ins">
Each change stream event document includes a resume token as the
<code class="leafygreen-ui-1l06pbn">
_id
</code>
field. Pass the
<em>
entire
</em>
<code class="leafygreen-ui-1l06pbn">
_id
</code>
field of the change event
document that represents the operation you want to resume after.
</p>
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
resumeAfter
</code>
is mutually exclusive with
<code class="leafygreen-ui-1l06pbn">
startAfter
</code>
and
<code class="leafygreen-ui-1l06pbn">
startAtOperationTime
</code>
.
</p>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
startAfter
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
document
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Optional. Directs
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.collection.watch" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
watch()
</code>
</span>
</a>
to attempt starting a new
change stream after the operation specified in the resume token.
Allows notifications to resume after an invalidate event.
</p>
<p class="leafygreen-ui-1kp3ins">
Each change stream event document includes a resume token as the
<code class="leafygreen-ui-1l06pbn">
_id
</code>
field. Pass the
<em>
entire
</em>
<code class="leafygreen-ui-1l06pbn">
_id
</code>
field of the change event
document that represents the operation you want to resume after.
</p>
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
startAfter
</code>
is mutually exclusive with
<code class="leafygreen-ui-1l06pbn">
resumeAfter
</code>
and
<code class="leafygreen-ui-1l06pbn">
startAtOperationTime
</code>
.
</p>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
fullDocument
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
string
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Optional. By default,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.collection.watch" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
watch()
</code>
</span>
</a>
returns the delta of
those fields modified by an update operation, instead of the entire
updated document.
</p>
<p class="leafygreen-ui-1kp3ins">
Set
<code class="leafygreen-ui-1l06pbn">
fullDocument
</code>
to
<code class="leafygreen-ui-1l06pbn">
"updateLookup"
</code>
to direct
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.collection.watch" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
watch()
</code>
</span>
</a>
to look up the most current
majority-committed version of the updated document.
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.collection.watch" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
watch()
</code>
</span>
</a>
returns a
<code class="leafygreen-ui-1l06pbn">
fullDocument
</code>
field with
the document lookup in addition to the
<code class="leafygreen-ui-1l06pbn">
updateDescription
</code>
delta.
</p>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 6.0, you can set
<code class="leafygreen-ui-1l06pbn">
fullDocument
</code>
to:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
"whenAvailable"
</code>
to output the document post-image, if available,
after the document was inserted, replaced, or updated.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
"required"
</code>
to output the document post-image after the document
was inserted, replaced, or updated. Raises an error if the post-image
is not available.
</p>
</li>
</ul>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
fullDocumentBeforeChange
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
string
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Optional.
</p>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 6.0, you can use the new
<code class="leafygreen-ui-1l06pbn">
fullDocumentBeforeChange
</code>
field and set it to:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
"whenAvailable"
</code>
to output the document pre-image, if available,
before the document was replaced, updated, or deleted.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
"required"
</code>
to output the document pre-image before the document
was replaced, updated, or deleted. Raises an error if the pre-image
is not available.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
"off"
</code>
to suppress the document pre-image.
<code class="leafygreen-ui-1l06pbn">
"off"
</code>
is the
default.
</p>
</li>
</ul>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
batchSize
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
int
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Optional. Specifies the maximum number of change events to return in each
batch of the response from the MongoDB cluster.
</p>
<p class="leafygreen-ui-1kp3ins">
Has the same functionality as
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/cursor.batchSize/#mongodb-method-cursor.batchSize">
<code class="leafygreen-ui-1l06pbn">
cursor.batchSize()
</code>
.
</a>
</p>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
maxAwaitTimeMS
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
int
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Optional. The maximum amount of time in milliseconds the server waits for new
data changes to report to the change stream cursor before returning an
empty batch.
</p>
<p class="leafygreen-ui-1kp3ins">
Defaults to
<code class="leafygreen-ui-1l06pbn">
1000
</code>
milliseconds.
</p>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
collation
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
document
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Optional. Pass a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/collation/#std-label-collation-document-fields">
collation document
</a>
to specify a collation for the change stream cursor.
</p>
<p class="leafygreen-ui-1kp3ins">
Defaults to
<code class="leafygreen-ui-1l06pbn">
simple
</code>
binary comparison if omitted.
</p>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
showExpandedEvents
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
boolean
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Optional. Starting in MongoDB 6.0, change streams support change
notifications for DDL events, like the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/change-events/createIndexes/#std-label-change-event-createIndexes">
createIndexes
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/change-events/dropIndexes/#std-label-change-event-dropIndexes">
dropIndexes
</a>
events. To include
expanded events in a change stream, create the change stream cursor
using the
<code class="leafygreen-ui-1l06pbn">
showExpandedEvents
</code>
option.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.0
</em>
.
</p>
</div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
startAtOperationTime
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Timestamp
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Optional. The starting point for the change stream. If the specified starting
point is in the past, it must be in the time range of the oplog. To
check the time range of the oplog, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.printReplicationInfo/#mongodb-method-rs.printReplicationInfo">
<code class="leafygreen-ui-1l06pbn">
rs.printReplicationInfo()
</code>
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
startAtOperationTime
</code>
is mutually exclusive with
<code class="leafygreen-ui-1l06pbn">
resumeAfter
</code>
and
<code class="leafygreen-ui-1l06pbn">
startAfter
</code>
.
</p>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<table class="css-11h39yh e1nex8bq0">
<colgroup>
<col class="field-name"/>
<col class="field-body"/>
</colgroup>
<tbody>
<tr class="css-x8snli">
<th>
Returns
<!-- -->
:
</th>
<td>
A
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-cursor">
cursor
</a>
that remains open as long as a connection to the
MongoDB deployment remains open
<em>
and
</em>
the collection exists.
See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/change-events/">
Change Events
</a>
for examples of change
event documents.
</td>
</tr>
</tbody>
</table>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.watch/#mongodb-method-db.watch">
<code class="leafygreen-ui-1l06pbn">
db.watch()
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/Mongo.watch/#mongodb-method-Mongo.watch">
<code class="leafygreen-ui-1l06pbn">
Mongo.watch()
</code>
</a>
</p>
</div>
</div>
</dd>
</dl>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Availability
<a class="headerlink leafygreen-ui-1kepx47" href="#availability" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="availability">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Deployment
<a class="headerlink leafygreen-ui-1kepx47" href="#deployment" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="deployment">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.collection.watch" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.collection.watch()
</code>
</span>
</a>
is available for replica set and
sharded cluster deployments :
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
For a replica set, you can issue
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.collection.watch" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.collection.watch()
</code>
</span>
</a>
on
any data-bearing member.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
For a sharded cluster, you must issue
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.collection.watch" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.collection.watch()
</code>
</span>
</a>
on a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance.
</p>
</li>
</ul>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Storage Engine
<a class="headerlink leafygreen-ui-1kepx47" href="#storage-engine" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="storage-engine">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
You can only use
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.collection.watch" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.collection.watch()
</code>
</span>
</a>
with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/wiredtiger/#std-label-storage-wiredtiger">
Wired
Tiger storage engine
<!-- -->
.
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Read Concern
<code class="leafygreen-ui-1l06pbn">
majority
</code>
Support
<a class="headerlink leafygreen-ui-1kepx47" href="#read-concern-majority-support" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="read-concern-majority-support">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/changeStreams/#std-label-changeStreams">
Change streams
</a>
are
available regardless of the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern-majority/#mongodb-readconcern-readconcern.-majority-">
<code class="leafygreen-ui-1l06pbn">
"majority"
</code>
</a>
read concern
support; that is, read concern
<code class="leafygreen-ui-1l06pbn">
majority
</code>
support can be either
enabled (default) or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern-majority/#std-label-disable-read-concern-majority">
disabled
</a>
to use change streams.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Behavior
<a class="headerlink leafygreen-ui-1kepx47" href="#behavior" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="behavior">
</div>
</a>
</h2>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.collection.watch" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.collection.watch()
</code>
</span>
</a>
only notifies on data changes that have
persisted to a majority of data-bearing members.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/changeStreams/#std-label-changeStreams">
change stream cursor
</a>
remains open until
one of the following occurs:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The cursor is explicitly closed.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
An
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/change-events/invalidate/#std-label-change-event-invalidate">
invalidate event
</a>
occurs; for
example, a collection drop or rename.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The connection to the MongoDB deployment closes or times out.
See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/iterate-a-cursor/#std-label-cursor-behaviors">
Cursor Behaviors
</a>
for more information.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If the deployment is a sharded cluster, a shard removal may cause an
open change stream cursor to close. The closed change stream cursor
may not be fully resumable.
</p>
</li>
</ul>
</li>
</ul>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Resumability
<a class="headerlink leafygreen-ui-1kepx47" href="#resumability" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="resumability">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Unlike the MongoDB
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/drivers/" target="_self">
<span>
Drivers
</span>
</a>
,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
does
not automatically attempt to resume a change stream cursor after an
error. The MongoDB drivers make
<em>
one
</em>
attempt to automatically resume
a change stream cursor after certain errors.
</p>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.collection.watch" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.collection.watch()
</code>
</span>
</a>
uses information stored in the oplog to produce the
change event description and generate a resume token associated to
that operation. If the operation identified by the resume token
passed to the
<code class="leafygreen-ui-1l06pbn">
resumeAfter
</code>
or
<code class="leafygreen-ui-1l06pbn">
startAfter
</code>
option has already
dropped off the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-oplog">
oplog
</a>
,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.collection.watch" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.collection.watch()
</code>
</span>
</a>
cannot resume the
change stream.
</p>
<p class="leafygreen-ui-1kp3ins">
See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/changeStreams/#std-label-change-stream-resume">
Resume a Change Stream
</a>
for more information on
resuming a change stream.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
You cannot use
<code class="leafygreen-ui-1l06pbn">
resumeAfter
</code>
to resume a change stream after an
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/change-events/invalidate/#std-label-change-event-invalidate">
invalidate event
</a>
(for example, a collection
drop or rename) closes the stream. Instead, you can use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/changeStreams/#std-label-change-stream-start-after">
startAfter
</a>
to start a new change
stream after an
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/change-events/invalidate/#std-label-change-event-invalidate">
invalidate event
<!-- -->
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If the deployment is a sharded cluster, a shard removal may cause an
open change stream cursor to close. The closed change stream cursor
may not be fully resumable.
</p>
</li>
</ul>
</div>
</div>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
You cannot use
<code class="leafygreen-ui-1l06pbn">
resumeAfter
</code>
to resume a change stream after an
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/change-events/invalidate/#std-label-change-event-invalidate">
invalidate event
</a>
(for example, a collection
drop or rename) closes the stream. Instead, you can use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/changeStreams/#std-label-change-stream-start-after">
startAfter
</a>
to start a new change
stream after an
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/change-events/invalidate/#std-label-change-event-invalidate">
invalidate event
<!-- -->
.
</a>
</p>
</div>
</div>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Full Document Lookup of Update Operations
<a class="headerlink leafygreen-ui-1kepx47" href="#full-document-lookup-of-update-operations" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="full-document-lookup-of-update-operations">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
By default, the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/changeStreams/#std-label-changeStreams">
change stream cursor
</a>
returns
specific field changes/deltas for update operations. You can also
configure the change stream to look up and return the current
majority-committed version of the changed document. Depending on other
write operations that may have occurred between the update and the
lookup, the returned document may differ significantly from the
document at the time of the update.
</p>
<p class="leafygreen-ui-1kp3ins">
Depending on the number of changes applied during the update operation
and the size of the full document, there is a risk that the size of the
change event document for an update operation is greater than the 16MB
BSON document limit. If this occurs, the server closes the change stream
cursor and returns an error.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Access Control
<a class="headerlink leafygreen-ui-1kepx47" href="#access-control" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="access-control">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
When running with access control, the user must have the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#mongodb-authaction-find">
<code class="leafygreen-ui-1l06pbn">
find
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#mongodb-authaction-changeStream">
<code class="leafygreen-ui-1l06pbn">
changeStream
</code>
</a>
privilege actions on
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/resource-document/#std-label-resource-document">
collection resource
</a>
. That is, a user must
have a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/authorization/#std-label-roles">
role
</a>
that grants the following
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/authorization/#std-label-privileges">
privilege
<!-- -->
:
</a>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ resource: { db: <dbname>, collection: <collection> }, actions: [ \"find\", \"changeStream\" ] }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">resource</span>: <!-- -->{ <span class="lg-highlight-attr">db</span>: <<!-- -->dbname<!-- -->><!-- -->,<!-- --> <span class="lg-highlight-attr">collection</span>: <<!-- -->collection<!-- -->> <!-- -->}<!-- -->, <span class="lg-highlight-attr">actions</span>: <!-- -->[ <span class="lg-highlight-string">"find"</span>, <span class="lg-highlight-string">"changeStream"</span> ] }</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The built-in
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/built-in-roles/#mongodb-authrole-read">
<code class="leafygreen-ui-1l06pbn">
read
</code>
</a>
role provides the appropriate
privileges.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Cursor Iteration
<a class="headerlink leafygreen-ui-1kepx47" href="#cursor-iteration" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="cursor-iteration">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
MongoDB provides multiple ways to iterate on a cursor.
</p>
<p class="leafygreen-ui-1kp3ins">
The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/cursor.hasNext/#mongodb-method-cursor.hasNext">
<code class="leafygreen-ui-1l06pbn">
cursor.hasNext()
</code>
</a>
method blocks and waits for the next
event. To monitor the
<code class="leafygreen-ui-1l06pbn">
watchCursor
</code>
cursor and iterate over the
events, use
<code class="leafygreen-ui-1l06pbn">
hasNext()
</code>
like this:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"while (!watchCursor.isClosed()) {\n if (watchCursor.hasNext()) {\n firstChange = watchCursor.next();\n break;\n }\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">while</span> <!-- -->(<!-- -->!<!-- -->watchCursor.<span class="lg-highlight-title lg-highlight-function">isClosed</span>(<!-- -->)) <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> <!-- -->(<!-- -->watchCursor.<span class="lg-highlight-title lg-highlight-function">hasNext</span>(<!-- -->)) <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->firstChange <!-- -->= <!-- -->watchCursor.<span class="lg-highlight-title lg-highlight-function">next</span>(<!-- -->)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">break</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/cursor.tryNext/#mongodb-method-cursor.tryNext">
<code class="leafygreen-ui-1l06pbn">
cursor.tryNext()
</code>
</a>
method is non-blocking. To monitor
the
<code class="leafygreen-ui-1l06pbn">
watchCursor
</code>
cursor and iterate over the events, use
<code class="leafygreen-ui-1l06pbn">
tryNext()
</code>
like this:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"while (!watchCursor.isClosed()) {\n let next = watchCursor.tryNext()\n while (next !== null) {\n printjson(next);\n next = watchCursor.tryNext()\n }\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">while</span> <!-- -->(<!-- -->!<!-- -->watchCursor.<span class="lg-highlight-title lg-highlight-function">isClosed</span>(<!-- -->)) <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">let</span> next <!-- -->= <!-- -->watchCursor.<span class="lg-highlight-title lg-highlight-function">tryNext</span>(<!-- -->)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">while</span> <!-- -->(<!-- -->next <!-- -->!<!-- -->== <span class="lg-highlight-literal">null</span>) <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">printjson</span>(<!-- -->next)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->next <!-- -->= <!-- -->watchCursor.<span class="lg-highlight-title lg-highlight-function">tryNext</span>(<!-- -->)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Examples
<a class="headerlink leafygreen-ui-1kepx47" href="#examples" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="examples">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Open a Change Stream
<a class="headerlink leafygreen-ui-1kepx47" href="#open-a-change-stream" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="open-a-change-stream">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The following operation opens a change stream cursor against the
<code class="leafygreen-ui-1l06pbn">
data.sensors
</code>
collection:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"watchCursor = db.getSiblingDB(\"data\").sensors.watch()","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">watchCursor <!-- -->= <!-- -->db.<span class="lg-highlight-title lg-highlight-function">getSiblingDB</span>(<span class="lg-highlight-string">"data"</span>).<span class="lg-highlight-property">sensors</span>.<span class="lg-highlight-title lg-highlight-function">watch</span>(<!-- -->)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Iterate the cursor to check for new events. Use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/cursor.isClosed/#mongodb-method-cursor.isClosed">
<code class="leafygreen-ui-1l06pbn">
cursor.isClosed()
</code>
</a>
method with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/cursor.tryNext/#mongodb-method-cursor.tryNext">
<code class="leafygreen-ui-1l06pbn">
cursor.tryNext()
</code>
</a>
method to ensure the loop only exits if the change stream cursor is
closed
<em>
and
</em>
there are no objects remaining in the latest batch:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"while (!watchCursor.isClosed()) {\n let next = watchCursor.tryNext()\n while (next !== null) {\n printjson(next);\n next = watchCursor.tryNext()\n }\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">while</span> <!-- -->(<!-- -->!<!-- -->watchCursor.<span class="lg-highlight-title lg-highlight-function">isClosed</span>(<!-- -->)) <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">let</span> next <!-- -->= <!-- -->watchCursor.<span class="lg-highlight-title lg-highlight-function">tryNext</span>(<!-- -->)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">while</span> <!-- -->(<!-- -->next <!-- -->!<!-- -->== <span class="lg-highlight-literal">null</span>) <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">printjson</span>(<!-- -->next)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->next <!-- -->= <!-- -->watchCursor.<span class="lg-highlight-title lg-highlight-function">tryNext</span>(<!-- -->)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For complete documentation on change stream output, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/change-events/#std-label-change-stream-output">
Change Events
<!-- -->
.
</a>
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
You cannot use
<code class="leafygreen-ui-1l06pbn">
isExhausted()
</code>
with
<a class="leafygreen-ui-tqgtui" href="/docs/manual/changeStreams/#std-label-changeStreams">
change streams
<!-- -->
.
</a>
</p>
</div>
</div>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Change Stream with Full Document Update Lookup
<a class="headerlink leafygreen-ui-1kepx47" href="#change-stream-with-full-document-update-lookup" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="change-stream-with-full-document-update-lookup">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Set the
<code class="leafygreen-ui-1l06pbn">
fullDocument
</code>
option to
<code class="leafygreen-ui-1l06pbn">
"updateLookup"
</code>
to direct the
change stream cursor to lookup the most current majority-committed
version of the document associated to an update change stream event.
</p>
<p class="leafygreen-ui-1kp3ins">
The following operation opens a change stream cursor against
the
<code class="leafygreen-ui-1l06pbn">
data.sensors
</code>
collection using the
<code class="leafygreen-ui-1l06pbn">
fullDocument : "updateLookup"
</code>
option.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"watchCursor = db.getSiblingDB(\"data\").sensors.watch(\n [],\n { fullDocument : \"updateLookup\" }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">watchCursor <!-- -->= <!-- -->db.<span class="lg-highlight-title lg-highlight-function">getSiblingDB</span>(<span class="lg-highlight-string">"data"</span>).<span class="lg-highlight-property">sensors</span>.<span class="lg-highlight-title lg-highlight-function">watch</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->[<!-- -->]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <!-- -->fullDocument <!-- -->: <span class="lg-highlight-string">"updateLookup"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Iterate the cursor to check for new events. Use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/cursor.isClosed/#mongodb-method-cursor.isClosed">
<code class="leafygreen-ui-1l06pbn">
cursor.isClosed()
</code>
</a>
method with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/cursor.tryNext/#mongodb-method-cursor.tryNext">
<code class="leafygreen-ui-1l06pbn">
cursor.tryNext()
</code>
</a>
method to ensure the loop only exits if the change stream cursor is
closed
<em>
and
</em>
there are no objects remaining in the latest batch:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"while (!watchCursor.isClosed()) {\n let next = watchCursor.tryNext()\n while (next !== null) {\n printjson(next);\n next = watchCursor.tryNext()\n }\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">while</span> <!-- -->(<!-- -->!<!-- -->watchCursor.<span class="lg-highlight-title lg-highlight-function">isClosed</span>(<!-- -->)) <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">let</span> next <!-- -->= <!-- -->watchCursor.<span class="lg-highlight-title lg-highlight-function">tryNext</span>(<!-- -->)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">while</span> <!-- -->(<!-- -->next <!-- -->!<!-- -->== <span class="lg-highlight-literal">null</span>) <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">printjson</span>(<!-- -->next)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->next <!-- -->= <!-- -->watchCursor.<span class="lg-highlight-title lg-highlight-function">tryNext</span>(<!-- -->)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For any update operation, the change event returns the result of the
document lookup in the
<code class="leafygreen-ui-1l06pbn">
fullDocument
</code>
field.
</p>
<p class="leafygreen-ui-1kp3ins">
For an example of the full document update output, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/change-events/update/#std-label-change-streams-update-event">
change
stream update event
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
For complete documentation on change stream output, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/change-events/#std-label-change-stream-output">
Change Events
<!-- -->
.
</a>
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-db.collection.watch-change-streams-pre-and-post-images-example">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Change Streams with Document Pre- and Post-Images
<a class="headerlink leafygreen-ui-1kepx47" href="#change-streams-with-document-pre--and-post-images" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="change-streams-with-document-pre--and-post-images">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 6.0, you can use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/change-events/#std-label-change-stream-output">
change stream events
</a>
to output the version of a document before and
after changes (the document pre- and post-images):
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The pre-image is the document before it was replaced, updated, or
deleted. There is no pre-image for an inserted document.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The post-image is the document after it was inserted, replaced, or
updated. There is no post-image for a deleted document.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Enable
<code class="leafygreen-ui-1l06pbn">
changeStreamPreAndPostImages
</code>
for a collection using
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.createCollection/#mongodb-method-db.createCollection">
<code class="leafygreen-ui-1l06pbn">
db.createCollection()
</code>
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/create/#mongodb-dbcommand-dbcmd.create">
<code class="leafygreen-ui-1l06pbn">
create
</code>
</a>
, or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/collMod/#mongodb-dbcommand-dbcmd.collMod">
<code class="leafygreen-ui-1l06pbn">
collMod
</code>
.
</a>
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
Pre- and post-images are not available for a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/change-events/#std-label-change-stream-output">
change stream event
</a>
if the images were:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Not enabled on the collection at the time of a document update or
delete operation.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Removed after the pre- and post-image retention time set in
<code class="leafygreen-ui-1l06pbn">
expireAfterSeconds
</code>
.
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The following example sets
<code class="leafygreen-ui-1l06pbn">
expireAfterSeconds
</code>
to
<code class="leafygreen-ui-1l06pbn">
100
</code>
seconds on an entire cluster:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"use admin\ndb.runCommand( {\n setClusterParameter:\n { changeStreamOptions: {\n preAndPostImages: { expireAfterSeconds: 100 }\n } }\n} )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">use admin</td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>( <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">setClusterParameter</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">changeStreamOptions</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">preAndPostImages</span>: <!-- -->{ <span class="lg-highlight-attr">expireAfterSeconds</span>: <span class="lg-highlight-number">100</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> } }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">} )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The following example returns the current
<code class="leafygreen-ui-1l06pbn">
changeStreamOptions
</code>
settings, including
<code class="leafygreen-ui-1l06pbn">
expireAfterSeconds
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.adminCommand( { getClusterParameter: \"changeStreamOptions\" } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">adminCommand</span>( <!-- -->{ <span class="lg-highlight-attr">getClusterParameter</span>: <span class="lg-highlight-string">"changeStreamOptions"</span> } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Setting
<code class="leafygreen-ui-1l06pbn">
expireAfterSeconds
</code>
to
<code class="leafygreen-ui-1l06pbn">
off
</code>
uses the default retention
policy: pre- and post-images are retained until the corresponding
change stream events are removed from the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-oplog">
oplog
<!-- -->
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If a change stream event is removed from the oplog, then the
corresponding pre- and post-images are also deleted regardless of
the
<code class="leafygreen-ui-1l06pbn">
expireAfterSeconds
</code>
pre- and post-image retention time.
</p>
</li>
</ul>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
Additional considerations:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Enabling pre- and post-images consumes storage space and adds
processing time. Only enable pre- and post-images if you need them.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Limit the change stream event size to less than 16 megabytes. To limit
the event size, you can:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Limit the document size to 8 megabytes. You can request pre- and
post-images simultaneously in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/change-events/#std-label-change-stream-output">
change stream output
</a>
if other change stream event fields like
<code class="leafygreen-ui-1l06pbn">
updateDescription
</code>
are not large.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Request only post-images in the change stream output for documents
up to 16 megabytes if other change stream event fields like
<code class="leafygreen-ui-1l06pbn">
updateDescription
</code>
are not large.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Request only pre-images in the change stream output for documents up
to 16 megabytes if:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
document updates affect only a small fraction of the document
structure or content,
<em>
and
</em>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
do not cause a
<code class="leafygreen-ui-1l06pbn">
replace
</code>
change event. A
<code class="leafygreen-ui-1l06pbn">
replace
</code>
event
always includes the post-image.
</p>
</li>
</ul>
</li>
</ul>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
To request a pre-image, you set
<code class="leafygreen-ui-1l06pbn">
fullDocumentBeforeChange
</code>
to
<code class="leafygreen-ui-1l06pbn">
required
</code>
or
<code class="leafygreen-ui-1l06pbn">
whenAvailable
</code>
in
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.collection.watch" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.collection.watch()
</code>
</span>
</a>
.
To request a post-image, you set
<code class="leafygreen-ui-1l06pbn">
fullDocument
</code>
using the same
method.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Pre-images are written to the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/system-collections/#mongodb-data-config.system.preimages">
<code class="leafygreen-ui-1l06pbn">
config.system.preimages
</code>
</a>
collection.
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
config.system.preimages
</code>
collection may become large. To
limit the collection size, you can set
<code class="leafygreen-ui-1l06pbn">
expireAfterSeconds
</code>
time for the pre-images as shown earlier.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Pre-images are removed asynchronously by a background process.
</p>
</li>
</ul>
</li>
</ul>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
Backward-Incompatible Feature
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 6.0, if you are using document pre- and post-images
for
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/change-events/#std-label-change-stream-output">
change streams
</a>
, you must disable
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/collMod/#std-label-collMod-change-stream-pre-and-post-images">
changeStreamPreAndPostImages
</a>
for each collection using
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/collMod/#mongodb-dbcommand-dbcmd.collMod">
<code class="leafygreen-ui-1l06pbn">
collMod
</code>
</a>
command before you can downgrade to an earlier
MongoDB version.
</p>
</div>
</div>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
For change stream events and output, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/change-events/#std-label-change-stream-output">
Change Events
<!-- -->
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
To watch a collection for changes, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.collection.watch" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.collection.watch()
</code>
.
</span>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
For complete examples with the change stream output, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-db.collection.watch-change-streams-pre-and-post-images-example" target="_self">
<span>
Change Streams with Document Pre- and Post-Images
<!-- -->
.
</span>
</a>
</p>
</li>
</ul>
</div>
</div>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Create Collection
<a class="headerlink leafygreen-ui-1kepx47" href="#create-collection" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="create-collection">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Create a
<code class="leafygreen-ui-1l06pbn">
temperatureSensor
</code>
collection that has
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.createCollection/#std-label-db.createCollection.changeStreamPreAndPostImages">
changeStreamPreAndPostImages
</a>
enabled:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.createCollection(\n \"temperatureSensor\",\n { changeStreamPreAndPostImages: { enabled: true } }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">createCollection</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"temperatureSensor"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">changeStreamPreAndPostImages</span>: <!-- -->{ <span class="lg-highlight-attr">enabled</span>: <span class="lg-highlight-literal">true</span> } }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Populate the
<code class="leafygreen-ui-1l06pbn">
temperatureSensor
</code>
collection with temperature readings:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.temperatureSensor.insertMany( [\n { \"_id\" : 0, \"reading\" : 26.1 },\n { \"_id\" : 1, \"reading\" : 25.9 },\n { \"_id\" : 2, \"reading\" : 24.3 },\n { \"_id\" : 3, \"reading\" : 22.4 },\n { \"_id\" : 4, \"reading\" : 24.6 }\n] )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">temperatureSensor</span>.<span class="lg-highlight-title lg-highlight-function">insertMany</span>( <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">0</span>, <span class="lg-highlight-string">"reading"</span> <!-- -->: <span class="lg-highlight-number">26.1</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-string">"reading"</span> <!-- -->: <span class="lg-highlight-number">25.9</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">2</span>, <span class="lg-highlight-string">"reading"</span> <!-- -->: <span class="lg-highlight-number">24.3</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">3</span>, <span class="lg-highlight-string">"reading"</span> <!-- -->: <span class="lg-highlight-number">22.4</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">4</span>, <span class="lg-highlight-string">"reading"</span> <!-- -->: <span class="lg-highlight-number">24.6</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">] )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The following sections show change stream examples for document pre- and
post-images that use the
<code class="leafygreen-ui-1l06pbn">
temperatureSensor
</code>
collection.
</p>
</section>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Change Stream with Document Pre-Image
<a class="headerlink leafygreen-ui-1kepx47" href="#change-stream-with-document-pre-image" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="change-stream-with-document-pre-image">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
You use the
<code class="leafygreen-ui-1l06pbn">
fullDocumentBeforeChange: "whenAvailable"
</code>
setting to
output the document pre-image, if available. The pre-image is the
document before it was replaced, updated, or deleted. There is no
pre-image for an inserted document.
</p>
<p class="leafygreen-ui-1kp3ins">
The following example creates a change stream cursor for the
<code class="leafygreen-ui-1l06pbn">
temperatureSensor
</code>
collection using
<code class="leafygreen-ui-1l06pbn">
fullDocumentBeforeChange:
"whenAvailable"
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"watchCursorFullDocumentBeforeChange = db.temperatureSensor.watch(\n [],\n { fullDocumentBeforeChange: \"whenAvailable\" }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">watchCursorFullDocumentBeforeChange <!-- -->= <!-- -->db.<span class="lg-highlight-property">temperatureSensor</span>.<span class="lg-highlight-title lg-highlight-function">watch</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->[<!-- -->]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">fullDocumentBeforeChange</span>: <span class="lg-highlight-string">"whenAvailable"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The following example uses the cursor to check for new change stream
events:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"while ( !watchCursorFullDocumentBeforeChange.isClosed() ) {\n if ( watchCursorFullDocumentBeforeChange.hasNext() ) {\n printjson( watchCursorFullDocumentBeforeChange.next() );\n }\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">while</span> <!-- -->( <!-- -->!<!-- -->watchCursorFullDocumentBeforeChange.<span class="lg-highlight-title lg-highlight-function">isClosed</span>(<!-- -->) ) <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> <!-- -->( <!-- -->watchCursorFullDocumentBeforeChange.<span class="lg-highlight-title lg-highlight-function">hasNext</span>(<!-- -->) ) <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">printjson</span>( <!-- -->watchCursorFullDocumentBeforeChange.<span class="lg-highlight-title lg-highlight-function">next</span>(<!-- -->) )<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
In the example:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
while
</code>
loop runs until the cursor is closed.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/cursor.hasNext/#mongodb-method-cursor.hasNext">
<code class="leafygreen-ui-1l06pbn">
hasNext()
</code>
</a>
returns
<code class="leafygreen-ui-1l06pbn">
true
</code>
if the cursor has
documents.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
The following example updates the
<code class="leafygreen-ui-1l06pbn">
reading
</code>
field for a
<code class="leafygreen-ui-1l06pbn">
temperatureSensor
</code>
document:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.temperatureSensor.updateOne(\n { _id: 2 },\n { $set: { reading: 22.1 } }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">temperatureSensor</span>.<span class="lg-highlight-title lg-highlight-function">updateOne</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">2</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">$set</span>: <!-- -->{ <span class="lg-highlight-attr">reading</span>: <span class="lg-highlight-number">22.1</span> } }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
After the
<code class="leafygreen-ui-1l06pbn">
temperatureSensor
</code>
document is updated, the change event
outputs the document pre-image in the
<code class="leafygreen-ui-1l06pbn">
fullDocumentBeforeChange
</code>
field. The pre-image contains the
<code class="leafygreen-ui-1l06pbn">
temperatureSensor
</code>
document
<code class="leafygreen-ui-1l06pbn">
reading
</code>
field before it was updated. For example:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n \"_id\" : {\n \"_data\" : \"82624B21...\",\n \"_typeBits\" : BinData(0,\"QA==\")\n },\n \"operationType\" : \"update\",\n \"clusterTime\" : Timestamp(1649090957, 1),\n \"ns\" : {\n \"db\" : \"test\",\n \"coll\" : \"temperatureSensor\"\n },\n \"documentKey\" : {\n \"_id\" : 2\n },\n \"updateDescription\" : {\n \"updatedFields\" : {\n \"reading\" : 22.1\n },\n \"removedFields\" : [ ],\n \"truncatedArrays\" : [ ]\n },\n \"fullDocumentBeforeChange\" : {\n \"_id\" : 2,\n \"reading\" : 24.3\n }\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_data"</span> <!-- -->: <span class="lg-highlight-string">"82624B21..."</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_typeBits"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">BinData</span>(<span class="lg-highlight-number">0</span>,<span class="lg-highlight-string">"QA=="</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"operationType"</span> <!-- -->: <span class="lg-highlight-string">"update"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"clusterTime"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Timestamp</span>(<span class="lg-highlight-number">1649090957</span>, <span class="lg-highlight-number">1</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"ns"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"db"</span> <!-- -->: <span class="lg-highlight-string">"test"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"coll"</span> <!-- -->: <span class="lg-highlight-string">"temperatureSensor"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"documentKey"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">2</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"updateDescription"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"updatedFields"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"reading"</span> <!-- -->: <span class="lg-highlight-number">22.1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"removedFields"</span> <!-- -->: <!-- -->[ <!-- -->]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"truncatedArrays"</span> <!-- -->: <!-- -->[ <!-- -->]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"fullDocumentBeforeChange"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">2</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"reading"</span> <!-- -->: <span class="lg-highlight-number">24.3</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
For document update output details, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/change-events/update/#std-label-change-streams-update-event">
change
stream update events
<!-- -->
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
For change stream output details, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/change-events/#std-label-change-stream-output">
Change Events
<!-- -->
.
</a>
</p>
</li>
</ul>
</div>
</div>
</section>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Change Stream with Document Post-Image
<a class="headerlink leafygreen-ui-1kepx47" href="#change-stream-with-document-post-image" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="change-stream-with-document-post-image">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
You use the
<code class="leafygreen-ui-1l06pbn">
fullDocument: "whenAvailable"
</code>
setting to output the
document post-image, if available. The post-image is the document after
it was inserted, replaced, or updated. There is no post-image for a
deleted document.
</p>
<p class="leafygreen-ui-1kp3ins">
The following example creates a change stream cursor for the
<code class="leafygreen-ui-1l06pbn">
temperatureSensor
</code>
collection using
<code class="leafygreen-ui-1l06pbn">
fullDocument:
"whenAvailable"
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"watchCursorFullDocument = db.temperatureSensor.watch(\n [],\n { fullDocument: \"whenAvailable\" }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">watchCursorFullDocument <!-- -->= <!-- -->db.<span class="lg-highlight-property">temperatureSensor</span>.<span class="lg-highlight-title lg-highlight-function">watch</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->[<!-- -->]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">fullDocument</span>: <span class="lg-highlight-string">"whenAvailable"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The following example uses the cursor to check for new change stream
events:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"while ( !watchCursorFullDocument.isClosed() ) {\n if ( watchCursorFullDocument.hasNext() ) {\n printjson( watchCursorFullDocument.next() );\n }\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">while</span> <!-- -->( <!-- -->!<!-- -->watchCursorFullDocument.<span class="lg-highlight-title lg-highlight-function">isClosed</span>(<!-- -->) ) <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> <!-- -->( <!-- -->watchCursorFullDocument.<span class="lg-highlight-title lg-highlight-function">hasNext</span>(<!-- -->) ) <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">printjson</span>( <!-- -->watchCursorFullDocument.<span class="lg-highlight-title lg-highlight-function">next</span>(<!-- -->) )<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
In the example:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
while
</code>
loop runs until the cursor is closed.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/cursor.hasNext/#mongodb-method-cursor.hasNext">
<code class="leafygreen-ui-1l06pbn">
hasNext()
</code>
</a>
returns
<code class="leafygreen-ui-1l06pbn">
true
</code>
if the cursor has
documents.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
The following example updates the
<code class="leafygreen-ui-1l06pbn">
reading
</code>
field for a
<code class="leafygreen-ui-1l06pbn">
temperatureSensor
</code>
document:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.temperatureSensor.updateOne(\n { _id: 1 },\n { $set: { reading: 29.5 } }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">temperatureSensor</span>.<span class="lg-highlight-title lg-highlight-function">updateOne</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">1</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">$set</span>: <!-- -->{ <span class="lg-highlight-attr">reading</span>: <span class="lg-highlight-number">29.5</span> } }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
After the
<code class="leafygreen-ui-1l06pbn">
temperatureSensor
</code>
document is updated, the change event
outputs the document post-image in the
<code class="leafygreen-ui-1l06pbn">
fullDocument
</code>
field. The
post-image contains the
<code class="leafygreen-ui-1l06pbn">
temperatureSensor
</code>
document
<code class="leafygreen-ui-1l06pbn">
reading
</code>
field
after it was updated. For example:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n \"_id\" : {\n \"_data\" : \"8262474D...\",\n \"_typeBits\" : BinData(0,\"QA==\")\n },\n \"operationType\" : \"update\",\n \"clusterTime\" : Timestamp(1648840090, 1),\n \"fullDocument\" : {\n \"_id\" : 1,\n \"reading\" : 29.5\n },\n \"ns\" : {\n \"db\" : \"test\",\n \"coll\" : \"temperatureSensor\"\n },\n \"documentKey\" : {\n \"_id\" : 1\n },\n \"updateDescription\" : {\n \"updatedFields\" : {\n \"reading\" : 29.5\n },\n \"removedFields\" : [ ],\n \"truncatedArrays\" : [ ]\n }\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_data"</span> <!-- -->: <span class="lg-highlight-string">"8262474D..."</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_typeBits"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">BinData</span>(<span class="lg-highlight-number">0</span>,<span class="lg-highlight-string">"QA=="</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"operationType"</span> <!-- -->: <span class="lg-highlight-string">"update"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"clusterTime"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Timestamp</span>(<span class="lg-highlight-number">1648840090</span>, <span class="lg-highlight-number">1</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"fullDocument"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"reading"</span> <!-- -->: <span class="lg-highlight-number">29.5</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"ns"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"db"</span> <!-- -->: <span class="lg-highlight-string">"test"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"coll"</span> <!-- -->: <span class="lg-highlight-string">"temperatureSensor"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"documentKey"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"updateDescription"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"updatedFields"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"reading"</span> <!-- -->: <span class="lg-highlight-number">29.5</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"removedFields"</span> <!-- -->: <!-- -->[ <!-- -->]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"truncatedArrays"</span> <!-- -->: <!-- -->[ <!-- -->]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
For document update output details, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/change-events/update/#std-label-change-streams-update-event">
change
stream update events
<!-- -->
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
For change stream output details, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/change-events/#std-label-change-stream-output">
Change Events
<!-- -->
.
</a>
</p>
</li>
</ul>
</div>
</div>
</section>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Change Stream with Aggregation Pipeline Filter
<a class="headerlink leafygreen-ui-1kepx47" href="#change-stream-with-aggregation-pipeline-filter" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="change-stream-with-aggregation-pipeline-filter">
</div>
</a>
</h3>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 4.2, change streams will throw an exception if
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/changeStreams/#std-label-change-stream-modify-output">
change stream aggregation pipeline
</a>
modifies an event's
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/change-events/#std-label-change-stream-event-id">
_id
</a>
field.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The following operation opens a change stream cursor against the
<code class="leafygreen-ui-1l06pbn">
data.sensors
</code>
collection using an aggregation pipeline to
filter only
<code class="leafygreen-ui-1l06pbn">
insert
</code>
events:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"watchCursor = db.getSiblingDB(\"data\").sensors.watch(\n [\n { $match : {\"operationType\" : \"insert\" } }\n ]\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">watchCursor <!-- -->= <!-- -->db.<span class="lg-highlight-title lg-highlight-function">getSiblingDB</span>(<span class="lg-highlight-string">"data"</span>).<span class="lg-highlight-property">sensors</span>.<span class="lg-highlight-title lg-highlight-function">watch</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <!-- -->$match<!-- --> <!-- -->: <!-- -->{<span class="lg-highlight-string">"operationType"</span> <!-- -->: <span class="lg-highlight-string">"insert"</span> } }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Iterate the cursor to check for new events. Use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/cursor.isClosed/#mongodb-method-cursor.isClosed">
<code class="leafygreen-ui-1l06pbn">
cursor.isClosed()
</code>
</a>
method with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/cursor.hasNext/#mongodb-method-cursor.hasNext">
<code class="leafygreen-ui-1l06pbn">
cursor.hasNext()
</code>
</a>
method to ensure the loop only exits if the change stream cursor is
closed
<em>
and
</em>
there are no objects remaining in the latest batch:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"while (!watchCursor.isClosed()){\n if (watchCursor.hasNext()){\n printjson(watchCursor.next());\n }\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">while</span> <!-- -->(<!-- -->!<!-- -->watchCursor.<span class="lg-highlight-title lg-highlight-function">isClosed</span>(<!-- -->))<!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> <!-- -->(<!-- -->watchCursor.<span class="lg-highlight-title lg-highlight-function">hasNext</span>(<!-- -->))<!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">printjson</span>(<!-- -->watchCursor.<span class="lg-highlight-title lg-highlight-function">next</span>(<!-- -->))<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The change stream cursor only returns change events where the
<code class="leafygreen-ui-1l06pbn">
operationType
</code>
is
<code class="leafygreen-ui-1l06pbn">
insert
</code>
. For complete documentation on
change stream output, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/change-events/#std-label-change-stream-output">
Change Events
<!-- -->
.
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Resuming a Change Stream
<a class="headerlink leafygreen-ui-1kepx47" href="#resuming-a-change-stream" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="resuming-a-change-stream">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Every document returned by a change stream cursor includes a resume
token as the
<code class="leafygreen-ui-1l06pbn">
_id
</code>
field. To resume a change stream, pass the entire
<code class="leafygreen-ui-1l06pbn">
_id
</code>
document of the change event you want to resume from to
either the
<code class="leafygreen-ui-1l06pbn">
resumeAfter
</code>
or
<code class="leafygreen-ui-1l06pbn">
startAfter
</code>
option of
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.collection.watch" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
watch()
</code>
.
</span>
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
The following operation resumes a change stream cursor against the
<code class="leafygreen-ui-1l06pbn">
data.sensors
</code>
collection using a resume token. This
assumes that the operation that generated the resume token has not
rolled off the cluster's oplog.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"let watchCursor = db.getSiblingDB(\"data\").sensors.watch();\nlet firstChange;\n\nwhile (!watchCursor.isClosed()) {\n if (watchCursor.hasNext()) {\n firstChange = watchCursor.next();\n break;\n }\n}\n\nwatchCursor.close();\n\nlet resumeToken = firstChange._id;\n\nresumedWatchCursor = db.getSiblingDB(\"data\").sensors.watch(\n[],\n { resumeAfter : resumeToken }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">let</span> watchCursor <!-- -->= <!-- -->db.<span class="lg-highlight-title lg-highlight-function">getSiblingDB</span>(<span class="lg-highlight-string">"data"</span>).<span class="lg-highlight-property">sensors</span>.<span class="lg-highlight-title lg-highlight-function">watch</span>(<!-- -->)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">let</span> firstChange<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">while</span> <!-- -->(<!-- -->!<!-- -->watchCursor.<span class="lg-highlight-title lg-highlight-function">isClosed</span>(<!-- -->)) <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> <!-- -->(<!-- -->watchCursor.<span class="lg-highlight-title lg-highlight-function">hasNext</span>(<!-- -->)) <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->firstChange <!-- -->= <!-- -->watchCursor.<span class="lg-highlight-title lg-highlight-function">next</span>(<!-- -->)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">break</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">watchCursor.<span class="lg-highlight-title lg-highlight-function">close</span>(<!-- -->)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">let</span> resumeToken <!-- -->= <!-- -->firstChange.<span class="lg-highlight-property">_id</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">resumedWatchCursor <!-- -->= <!-- -->db.<span class="lg-highlight-title lg-highlight-function">getSiblingDB</span>(<span class="lg-highlight-string">"data"</span>).<span class="lg-highlight-property">sensors</span>.<span class="lg-highlight-title lg-highlight-function">watch</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx">[<!-- -->]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <!-- -->resumeAfter <!-- -->: <!-- -->resumeToken }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Iterate the cursor to check for new events. Use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/cursor.isClosed/#mongodb-method-cursor.isClosed">
<code class="leafygreen-ui-1l06pbn">
cursor.isClosed()
</code>
</a>
method with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/cursor.hasNext/#mongodb-method-cursor.hasNext">
<code class="leafygreen-ui-1l06pbn">
cursor.hasNext()
</code>
</a>
method to ensure the loop only exits if the change stream cursor is
closed
<em>
and
</em>
there are no objects remaining in the latest batch:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"while (!resumedWatchCursor.isClosed()){\n if (resumedWatchCursor.hasNext()){\n print(resumedWatchCursor.next());\n }\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">while</span> <!-- -->(<!-- -->!<!-- -->resumedWatchCursor.<span class="lg-highlight-title lg-highlight-function">isClosed</span>(<!-- -->))<!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> <!-- -->(<!-- -->resumedWatchCursor.<span class="lg-highlight-title lg-highlight-function">hasNext</span>(<!-- -->))<!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">print</span>(<!-- -->resumedWatchCursor.<span class="lg-highlight-title lg-highlight-function">next</span>(<!-- -->))<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/changeStreams/#std-label-change-stream-resume">
Resume a Change Stream
</a>
for complete documentation on
resuming a change stream.
</p>
</section>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/command/profile/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
profile
<a class="headerlink leafygreen-ui-1kepx47" href="#profile" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="profile">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
<span>
Definition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#compatibility" target="_self">
<span>
Compatibility
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#syntax" target="_self">
<span>
Syntax
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#command-fields" target="_self">
<span>
Command Fields
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#behavior" target="_self">
<span>
Behavior
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#example" target="_self">
<span>
Example
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#enable-filtering" target="_self">
<span>
Enable Filtering
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#unset-a-filter" target="_self">
<span>
Unset a Filter
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Definition
<a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="definition">
</div>
</a>
</h2>
<dl class="dbcommand">
<dt>
<code class="leafygreen-ui-1l06pbn">
profile
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-dbcommand-dbcmd.profile" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-dbcommand-dbcmd.profile">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
Changed
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
For a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance, the command enables, disables,
or configures the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/manage-the-database-profiler/#std-label-database-profiler">
database profiler
</a>
. The
profiler captures and records data on the performance of write
operations, cursors, and database commands on a running
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance. If the profiler is disabled, the
command configures how slow operations are logged to the diagnostic
log.
</p>
<p class="leafygreen-ui-1kp3ins">
On
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
, if the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.setProfilingLevel/#std-label-set-profiling-level-level">
database profiler level
</a>
is
<code class="leafygreen-ui-1l06pbn">
2
</code>
, full logging is enabled on
the profiler and the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--logpath">
<code class="leafygreen-ui-1l06pbn">
diagnostic log
</code>
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
At
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.setProfilingLevel/#std-label-set-profiling-level-level">
database profiler level
</a>
<code class="leafygreen-ui-1l06pbn">
1
</code>
,
the following settings modify both the profiler and the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--logpath">
<code class="leafygreen-ui-1l06pbn">
diagnostic log
</code>
:
</a>
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.setProfilingLevel/#std-label-set-profiling-level-options-slowms">
slowms
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.setProfilingLevel/#std-label-set-profiling-level-options-sampleRate">
sampleRate
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.setProfilingLevel/#std-label-set-profiling-level-options-filter">
filter
</a>
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
If the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.setProfilingLevel/#std-label-set-profiling-level-level">
database profiler level
</a>
is
<code class="leafygreen-ui-1l06pbn">
0
</code>
, the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/manage-the-database-profiler/#std-label-database-profiler">
database profiler
</a>
is disabled.
At level
<code class="leafygreen-ui-1l06pbn">
0
</code>
the following settings only modify the diagnostic log:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.setProfilingLevel/#std-label-set-profiling-level-options-slowms">
slowms
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.setProfilingLevel/#std-label-set-profiling-level-options-sampleRate">
sampleRate
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.setProfilingLevel/#std-label-set-profiling-level-options-filter">
filter
</a>
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
For a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance, the command only configures how
operations get written to the diagnostic log. You cannot enable the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/manage-the-database-profiler/#std-label-database-profiler">
database profiler
</a>
on a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance because
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
does not have any collections that the profiler
can write to.
</p>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 5.0, changes made to the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/manage-the-database-profiler/#std-label-database-profiler">
database profiler
</a>
<code class="leafygreen-ui-1l06pbn">
level
</code>
,
<code class="leafygreen-ui-1l06pbn">
slowms
</code>
,
<code class="leafygreen-ui-1l06pbn">
sampleRate
</code>
, or
<code class="leafygreen-ui-1l06pbn">
filter
</code>
using the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.profile" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
profile
</code>
</span>
</a>
command or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.setProfilingLevel/#mongodb-method-db.setProfilingLevel">
<code class="leafygreen-ui-1l06pbn">
db.setProfilingLevel()
</code>
</a>
wrapper method are recorded in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--logpath">
<code class="leafygreen-ui-1l06pbn">
log file
</code>
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
On
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
, you can set
<code class="leafygreen-ui-1l06pbn">
profile
</code>
level to:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
0
</code>
to set the
<code class="leafygreen-ui-1l06pbn">
slowms
</code>
,
<code class="leafygreen-ui-1l06pbn">
sampleRate
</code>
, and
<code class="leafygreen-ui-1l06pbn">
filter
</code>
for
the diagnostic log;
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
-1
</code>
to read the current settings.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
The profiler is off by default.
</p>
<div class="leafygreen-ui-1sjx7ru" role="note">
<h2 class="leafygreen-ui-29m78u">
Warning
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Profiling can degrade performance and expose unencrypted query data in the
system log. Carefully consider any performance and security implications
before configuring and enabling the profiler on a production deployment.
</p>
<p class="leafygreen-ui-1kp3ins">
See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/manage-the-database-profiler/#std-label-database-profiling-overhead">
Profiler Overhead
</a>
for more information on
potential performance degradation.
</p>
</div>
</div>
</dd>
</dl>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Compatibility
<a class="headerlink leafygreen-ui-1kepx47" href="#compatibility" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="compatibility">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
This command is available in deployments hosted in the following environments:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas?tck=docs_server" target="_self">
<span>
MongoDB Atlas
</span>
</a>
: The fully
managed service for MongoDB deployments in the cloud
</p>
</li>
</ul>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
This command is supported in all MongoDB Atlas clusters.
For information on Atlas support for all commands, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/unsupported-commands/" target="_self">
<span>
Unsupported Commands
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-enterprise/#std-label-install-mdb-enterprise">
MongoDB Enterprise
</a>
: The
subscription-based, self-managed version of MongoDB
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-community/#std-label-install-mdb-community-edition">
MongoDB Community
</a>
: The
source-available, free-to-use, and self-managed version of MongoDB
</p>
</li>
</ul>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Syntax
<a class="headerlink leafygreen-ui-1kepx47" href="#syntax" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="syntax">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The command has the following syntax:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.runCommand(\n {\n profile: <level>,\n slowms: <threshold>,\n sampleRate: <rate>,\n filter: <filter>\n }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">profile</span>: <<!-- -->level<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">slowms</span>: <<!-- -->threshold<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">sampleRate</span>: <<!-- -->rate<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">filter</span>: <span class="lg-highlight-tag lg-highlight-xml"><</span><span class="lg-highlight-name lg-highlight-tag lg-highlight-xml">filter</span><span class="lg-highlight-tag lg-highlight-xml"> </span><span class="lg-highlight-attr lg-highlight-tag lg-highlight-xml">expression</span><span class="lg-highlight-tag lg-highlight-xml">></span><span class="lg-highlight-xml"></span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-xml"> }</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-xml">)</span></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Command Fields
<a class="headerlink leafygreen-ui-1kepx47" href="#command-fields" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="command-fields">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The command takes the following fields:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:20%"/>
<col style="width:80%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Field
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Type
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
profile
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
int
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Configures the profiler level.
The following profiler levels are available:
</p>
<dl>
<dt>
<code class="leafygreen-ui-1l06pbn">
0
</code>
</dt>
<dd class="css-1ufxuu7">
The profiler is off and does not collect any data.
This is the default profiler level.
</dd>
<dt>
<code class="leafygreen-ui-1l06pbn">
1
</code>
</dt>
<dd class="css-1ufxuu7">
<p class="leafygreen-ui-1kp3ins">
The profiler collects data for operations that exceed the
<code class="leafygreen-ui-1l06pbn">
slowms
</code>
threshold or match a specified
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.setProfilingLevel/#std-label-set-profiling-level-options-filter">
filter
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
When a filter is set:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
slowms
</code>
and
<code class="leafygreen-ui-1l06pbn">
sampleRate
</code>
options are not used for
profiling.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The profiler only captures operations that match the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.setProfilingLevel/#std-label-set-profiling-level-options-filter">
filter
<!-- -->
.
</a>
</p>
</li>
</ul>
</dd>
<dt>
<code class="leafygreen-ui-1l06pbn">
2
</code>
</dt>
<dd class="css-1ufxuu7">
The profiler collects data for all operations.
</dd>
</dl>
<p class="leafygreen-ui-1kp3ins">
Since profiling is not available on
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
, the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.profile" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
profile
</code>
</span>
</a>
command cannot be used to set the profiling
level to a value other than
<code class="leafygreen-ui-1l06pbn">
0
</code>
on a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance.
</p>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
slowms
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
int
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-slowms-threshold-option">
</span>
<p class="leafygreen-ui-1kp3ins">
Optional. Default: 100
</p>
<p class="leafygreen-ui-1kp3ins">
The slow operation time threshold, in milliseconds. Operations that run
for longer than this threshold are considered
<em>
slow
</em>
.
</p>
<p class="leafygreen-ui-1kp3ins">
Slow operations are logged based on
<code class="leafygreen-ui-1l06pbn">
workingMillis
</code>
, which is the
amount of time that MongoDB spends working on that operation. This means
that factors such as waiting for locks and flow control do not affect
whether an operation exceeds the slow operation threshold.
</p>
<p class="leafygreen-ui-1kp3ins">
When
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.logLevel">
<code class="leafygreen-ui-1l06pbn">
logLevel
</code>
</a>
is set to
<code class="leafygreen-ui-1l06pbn">
0
</code>
, MongoDB records
<em>
slow
</em>
operations to the diagnostic log at a rate determined by
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-operationProfiling.slowOpSampleRate">
<code class="leafygreen-ui-1l06pbn">
slowOpSampleRate
</code>
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
At higher
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.logLevel">
<code class="leafygreen-ui-1l06pbn">
logLevel
</code>
</a>
settings, all operations appear in
the diagnostic log regardless of their latency with the following
exception: the logging of slow oplog entry messages by the
secondaries. The secondaries log only the slow oplog
entries; increasing the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.logLevel">
<code class="leafygreen-ui-1l06pbn">
logLevel
</code>
</a>
does not log all
oplog entries.
</p>
<p class="leafygreen-ui-1kp3ins">
This argument affects the same setting as the configuration option
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-operationProfiling.slowOpThresholdMs">
<code class="leafygreen-ui-1l06pbn">
operationProfiling.slowOpThresholdMs
</code>
.
</a>
</p>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
sampleRate
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
double
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Optional. Default: 1.0
</p>
<p class="leafygreen-ui-1kp3ins">
The fraction of
<em>
slow
</em>
operations that should be profiled or logged.
<code class="leafygreen-ui-1l06pbn">
sampleRate
</code>
accepts values between 0 and 1, inclusive.
</p>
<p class="leafygreen-ui-1kp3ins">
This argument affects the same setting as the configuration option
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-operationProfiling.slowOpSampleRate">
<code class="leafygreen-ui-1l06pbn">
operationProfiling.slowOpSampleRate
</code>
</a>
and does not
affect the slow oplog entry log messages on secondaries.
</p>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
filter
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
object
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-profile-filter-def">
</span>
<p class="leafygreen-ui-1kp3ins">
Optional.
A query that determines which operations are profiled or
logged.
</p>
<p class="leafygreen-ui-1kp3ins">
The filter query takes the following form:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ <field1>: <expression1>, ... }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <<!-- -->field1<!-- -->><!-- -->: <<!-- -->expression1<!-- -->><!-- -->,<!-- --> <!-- -->...<!-- --> }</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The query can be any legal
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.find/#mongodb-method-db.collection.find">
<code class="leafygreen-ui-1l06pbn">
find()
</code>
</a>
operation where the query
<code class="leafygreen-ui-1l06pbn">
<field>
</code>
matches a field in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/database-profiler/#std-label-profiler">
profiler output
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
This argument affects the same setting as the
configuration option
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-operationProfiling.filter">
<code class="leafygreen-ui-1l06pbn">
operationProfiling.filter
</code>
</a>
.
When
<code class="leafygreen-ui-1l06pbn">
filter
</code>
is set, the
<code class="leafygreen-ui-1l06pbn">
slowms
</code>
and
<code class="leafygreen-ui-1l06pbn">
sampleRate
</code>
options are not used for profiling and slow-query log
lines.
</p>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<p class="leafygreen-ui-1kp3ins">
The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.getProfilingStatus/#mongodb-method-db.getProfilingStatus">
<code class="leafygreen-ui-1l06pbn">
db.getProfilingStatus()
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.setProfilingLevel/#mongodb-method-db.setProfilingLevel">
<code class="leafygreen-ui-1l06pbn">
db.setProfilingLevel()
</code>
</a>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/#std-label-js-administrative-methods">
shell methods
</a>
provide wrappers around the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.profile" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
profile
</code>
</span>
</a>
command.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Behavior
<a class="headerlink leafygreen-ui-1kepx47" href="#behavior" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="behavior">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.profile" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
profile
</code>
</span>
</a>
command obtains a write lock on the affected
database while enabling or disabling the profiler. This is typically a
short operation. The lock blocks other operations until the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.profile" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
profile
</code>
</span>
</a>
command has completed.
</p>
<p class="leafygreen-ui-1kp3ins">
When connected to a sharded cluster through
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
, you can run
the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.profile" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
profile
</code>
</span>
</a>
command against any database.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/manage-the-database-profiler/#std-label-database-profiling">
Database Profiling
</a>
</p>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Example
<a class="headerlink leafygreen-ui-1kepx47" href="#example" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="example">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Enable Filtering
<a class="headerlink leafygreen-ui-1kepx47" href="#enable-filtering" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="enable-filtering">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To enable profiling and filter the logged data:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.runCommand(\n {\n profile: 1,\n filter:\n {\n $or:\n [\n { millis: { $gte: 100 } },\n { user: \"testuser@admin\" }\n ]\n }\n }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">profile</span>: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">filter</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$or</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">millis</span>: <!-- -->{ <span class="lg-highlight-attr">$gte</span>: <span class="lg-highlight-number">100</span> } }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">user</span>: <span class="lg-highlight-string">"testuser@admin"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-profile-filter-def" target="_self">
<span>
filter
</span>
</a>
only selects operations that
are:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
at least
<code class="leafygreen-ui-1l06pbn">
100
</code>
milliseconds long, or
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
submitted by the
<code class="leafygreen-ui-1l06pbn">
testuser
</code>
.
</p>
</li>
</ul>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Unset a Filter
<a class="headerlink leafygreen-ui-1kepx47" href="#unset-a-filter" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="unset-a-filter">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To clear a profile filter, run
<code class="leafygreen-ui-1l06pbn">
profile
</code>
with the
<code class="leafygreen-ui-1l06pbn">
filter: "unset"
</code>
option.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.runCommand(\n {\n profile: 1,\n filter: \"unset\"\n }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">profile</span>: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">filter</span>: <span class="lg-highlight-string">"unset"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The operation returns a document with the
<strong>
previous
</strong>
values for the
settings.
</p>
<p class="leafygreen-ui-1kp3ins">
To view the current profiling level, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.getProfilingStatus/#mongodb-method-db.getProfilingStatus">
<code class="leafygreen-ui-1l06pbn">
db.getProfilingStatus()
</code>
.
</a>
</p>
</section>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/method/sh.setBalancerState/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
sh.setBalancerState()
<a class="headerlink leafygreen-ui-1kepx47" href="#sh.setbalancerstate--" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="sh.setbalancerstate--">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#description" target="_self">
<span>
Description
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#learn-more" target="_self">
<span>
Learn More
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Description
<a class="headerlink leafygreen-ui-1kepx47" href="#description" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="description">
</div>
</a>
</h2>
<dl class="method">
<dt>
<code class="leafygreen-ui-1l06pbn">
sh.setBalancerState(state)
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-method-sh.setBalancerState" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-method-sh.setBalancerState">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Enables or disables the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-balancer">
balancer
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 6.0.3, automatic chunk splitting is not performed.
This is because of balancing policy improvements. Auto-splitting commands
still exist, but do not perform an operation.
</p>
<p class="leafygreen-ui-1kp3ins">
In MongoDB versions earlier than 6.0.3,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-sh.setBalancerState" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
sh.setBalancerState()
</code>
</span>
</a>
also enables auto-splitting if
enabling the balancer and disables auto-splitting if disabling the
balancer.
</p>
<p class="leafygreen-ui-1kp3ins">
Use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/sh.getBalancerState/#mongodb-method-sh.getBalancerState">
<code class="leafygreen-ui-1l06pbn">
sh.getBalancerState()
</code>
</a>
to determine if the balancer is
currently enabled or disabled and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/sh.isBalancerRunning/#mongodb-method-sh.isBalancerRunning">
<code class="leafygreen-ui-1l06pbn">
sh.isBalancerRunning()
</code>
</a>
to check its current state.
</p>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
mongosh Method
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
This page documents a
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
method. This is
<em>
not
</em>
the documentation for database commands or language-specific drivers,
such as Node.js.
</p>
<p class="leafygreen-ui-1kp3ins">
For the database command, see the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/balancerStart/#mongodb-dbcommand-dbcmd.balancerStart">
<code class="leafygreen-ui-1l06pbn">
balancerStart
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/balancerStop/#mongodb-dbcommand-dbcmd.balancerStop">
<code class="leafygreen-ui-1l06pbn">
balancerStop
</code>
</a>
commands
<!-- -->
.
</p>
<p class="leafygreen-ui-1kp3ins">
For MongoDB API drivers, refer to the language-specific
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/drivers/" target="_self">
<span>
MongoDB driver documentation
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
You can only run
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-sh.setBalancerState" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
sh.setBalancerState()
</code>
</span>
</a>
on a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance.
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-sh.setBalancerState" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
sh.setBalancerState()
</code>
</span>
</a>
errors if run on
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-sh.setBalancerState" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
sh.setBalancerState()
</code>
</span>
</a>
method has the following
parameter:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:20%"/>
<col style="width:80%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Parameter
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Type
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
state
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
boolean
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Set this to
<code class="leafygreen-ui-1l06pbn">
true
</code>
to enable the balancer and
<code class="leafygreen-ui-1l06pbn">
false
</code>
to
disable it.
</p>
<p class="leafygreen-ui-1kp3ins">
Leaving the balancer disabled for extended periods of time can lead to
unbalanced shards, which degrade cluster performance. Only disable the
balancer if necessary, and ensure that you
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/manage-sharded-cluster-balancer/#std-label-sharding-balancing-re-enable">
re-enable the balancer
</a>
when maintenance is complete.
</p>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</dd>
</dl>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Learn More
<a class="headerlink leafygreen-ui-1kepx47" href="#learn-more" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="learn-more">
</div>
</a>
</h2>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/sh.enableBalancing/#mongodb-method-sh.enableBalancing">
<code class="leafygreen-ui-1l06pbn">
sh.enableBalancing()
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/sh.disableBalancing/#mongodb-method-sh.disableBalancing">
<code class="leafygreen-ui-1l06pbn">
sh.disableBalancing()
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/sh.getBalancerState/#mongodb-method-sh.getBalancerState">
<code class="leafygreen-ui-1l06pbn">
sh.getBalancerState()
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/sh.isBalancerRunning/#mongodb-method-sh.isBalancerRunning">
<code class="leafygreen-ui-1l06pbn">
sh.isBalancerRunning()
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/sh.startBalancer/#mongodb-method-sh.startBalancer">
<code class="leafygreen-ui-1l06pbn">
sh.startBalancer()
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/sh.stopBalancer/#mongodb-method-sh.stopBalancer">
<code class="leafygreen-ui-1l06pbn">
sh.stopBalancer()
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/sh.waitForBalancer/#mongodb-method-sh.waitForBalancer">
<code class="leafygreen-ui-1l06pbn">
sh.waitForBalancer()
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/sh.waitForBalancerOff/#mongodb-method-sh.waitForBalancerOff">
<code class="leafygreen-ui-1l06pbn">
sh.waitForBalancerOff()
</code>
</a>
</p>
</li>
</ul>
</section>
</section>
|
https://www.mongodb.com/docs/manual/core/retryable-reads/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Retryable Reads
<a class="headerlink leafygreen-ui-1kepx47" href="#retryable-reads" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="retryable-reads">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#prerequisites" target="_self">
<span>
Prerequisites
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#enabling-retryable-reads" target="_self">
<span>
Enabling Retryable Reads
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#retryable-read-operations" target="_self">
<span>
Retryable Read Operations
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#behavior" target="_self">
<span>
Behavior
</span>
</a>
</li>
</ul>
</div>
<p class="leafygreen-ui-1kp3ins">
Retryable reads allow MongoDB drivers to automatically retry certain
read operations a single time if they encounter certain network
or server errors.
</p>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Prerequisites
<a class="headerlink leafygreen-ui-1kepx47" href="#prerequisites" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="prerequisites">
</div>
</a>
</h2>
<dl>
<dt>
Minimum Driver Version
</dt>
<dd class="css-1ufxuu7">
<p class="leafygreen-ui-1kp3ins">
Official MongoDB drivers compatible with MongoDB Server 4.2 and later
support retryable reads.
</p>
<p class="leafygreen-ui-1kp3ins">
For more information on official MongoDB drivers, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/drivers/" target="_self">
<span>
MongoDB Drivers
<!-- -->
.
</span>
</a>
</p>
</dd>
<dt>
Minimum Server Version
</dt>
<dd class="css-1ufxuu7">
Drivers can only retry read operations if connected to
MongoDB Server 3.6 or later.
</dd>
</dl>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Enabling Retryable Reads
<a class="headerlink leafygreen-ui-1kepx47" href="#enabling-retryable-reads" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="enabling-retryable-reads">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Official MongoDB drivers compatible with MongoDB Server 4.2 and later
enable retryable reads by default. To explicitly disable retryable
reads, specify
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/connection-string-options/#mongodb-urioption-urioption.retryReads">
<code class="leafygreen-ui-1l06pbn">
retryReads=false
</code>
</a>
in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/connection-string/#std-label-mongodb-uri">
connection string
</a>
for the deployment.
</p>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
does not support retryable reads.
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-retryable-read-ops">
</span>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Retryable Read Operations
<a class="headerlink leafygreen-ui-1kepx47" href="#retryable-read-operations" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="retryable-read-operations">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
MongoDB drivers support retrying the following read operations. The
list references a generic description of each method. For specific
syntax and usage, defer to the driver documentation for that method.
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Methods
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Descriptions
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<div class="line-block">
<div class="line">
<code class="leafygreen-ui-1l06pbn">
Collection.aggregate
</code>
</div>
<div class="line">
<code class="leafygreen-ui-1l06pbn">
Collection.count
</code>
</div>
<div class="line">
<code class="leafygreen-ui-1l06pbn">
Collection.countDocuments
</code>
</div>
<div class="line">
<code class="leafygreen-ui-1l06pbn">
Collection.distinct
</code>
</div>
<div class="line">
<code class="leafygreen-ui-1l06pbn">
Collection.estimatedDocumentCount
</code>
</div>
<div class="line">
<code class="leafygreen-ui-1l06pbn">
Collection.find
</code>
</div>
<div class="line">
<code class="leafygreen-ui-1l06pbn">
Database.aggregate
</code>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For
<code class="leafygreen-ui-1l06pbn">
Collection.aggregate
</code>
and
<code class="leafygreen-ui-1l06pbn">
Database.aggregate
</code>
, drivers
can only retry aggregation pipelines which do
<strong>
not
</strong>
include
write stages, such as
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/out/#mongodb-pipeline-pipe.-out">
<code class="leafygreen-ui-1l06pbn">
$out
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/merge/#mongodb-pipeline-pipe.-merge">
<code class="leafygreen-ui-1l06pbn">
$merge
</code>
.
</a>
</p>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
CRUD API Read Operations
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<div class="line-block">
<div class="line">
<code class="leafygreen-ui-1l06pbn">
Collection.watch
</code>
</div>
<div class="line">
<code class="leafygreen-ui-1l06pbn">
Database.watch
</code>
</div>
<div class="line">
<code class="leafygreen-ui-1l06pbn">
MongoClient.watch
</code>
</div>
</div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Change Stream Operations
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<div class="line-block">
<div class="line">
<code class="leafygreen-ui-1l06pbn">
MongoClient.listDatabases
</code>
</div>
<div class="line">
<code class="leafygreen-ui-1l06pbn">
Database.listCollections
</code>
</div>
<div class="line">
<code class="leafygreen-ui-1l06pbn">
Collection.listIndexes
</code>
</div>
</div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enumeration Operations
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
GridFS Operations backed by
<code class="leafygreen-ui-1l06pbn">
Collection.find
</code>
(e.g.
<code class="leafygreen-ui-1l06pbn">
GridFSBucket.openDownloadStream
</code>
)
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
GridFS File Download Operations
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<p class="leafygreen-ui-1kp3ins">
MongoDB drivers
<em>
may
</em>
include retryable support for other operations,
such as helper methods or methods that wrap a retryable read operation.
Defer to the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/drivers/" target="_self">
<span>
driver documentation
</span>
</a>
to determine whether a method explicitly supports retryable reads.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Retryable Read Specification:
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://github.com/mongodb/specifications/blob/master/source/retryable-reads/retryable-reads.rst#supported-read-operations" rel="noopener noreferrer">
<span>
Supported Read Operations
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</p>
</div>
</div>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Unsupported Read Operations
<a class="headerlink leafygreen-ui-1kepx47" href="#unsupported-read-operations" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="unsupported-read-operations">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The following operations do
<em>
not
</em>
support retryable reads:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.mapReduce/#mongodb-method-db.collection.mapReduce">
<code class="leafygreen-ui-1l06pbn">
db.collection.mapReduce()
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/getMore/#mongodb-dbcommand-dbcmd.getMore">
<code class="leafygreen-ui-1l06pbn">
getMore
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Any read command passed to a generic
<code class="leafygreen-ui-1l06pbn">
Database.runCommand
</code>
helper,
which is agnostic about read or write commands.
</p>
</li>
</ul>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Behavior
<a class="headerlink leafygreen-ui-1kepx47" href="#behavior" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="behavior">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Persistent Network Errors
<a class="headerlink leafygreen-ui-1kepx47" href="#persistent-network-errors" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="persistent-network-errors">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
MongoDB retryable reads make only
<strong>
one
</strong>
retry attempt. This helps
address transient network errors or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/replica-set-elections/#std-label-replica-set-elections">
replica set elections
</a>
, but not persistent
network errors.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Failover Period
<a class="headerlink leafygreen-ui-1kepx47" href="#failover-period" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="failover-period">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The driver performs
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/read-preference-mechanics/#std-label-replica-set-read-preference-behavior">
server selection
</a>
using the read command's
original
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/read-preference/#std-label-read-preference">
read preference
</a>
before retrying the
read operation. If the driver cannot select a server
for the retry attempt using the original read preference,
the driver returns the original error.
</p>
<p class="leafygreen-ui-1kp3ins">
The drivers wait
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/connection-string-options/#mongodb-urioption-urioption.serverSelectionTimeoutMS">
<code class="leafygreen-ui-1l06pbn">
serverSelectionTimeoutMS
</code>
</a>
milliseconds
before performing server selection. Retryable reads do not address
instances where no eligible servers exist after waiting
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/connection-string-options/#mongodb-urioption-urioption.serverSelectionTimeoutMS">
<code class="leafygreen-ui-1l06pbn">
serverSelectionTimeoutMS
</code>
.
</a>
</p>
</section>
</section>
</section>
|
https://www.mongodb.com/docs/manual/administration/configuration-and-maintenance/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Configuration and Maintenance
<a class="headerlink leafygreen-ui-1kepx47" href="#configuration-and-maintenance" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="configuration-and-maintenance">
</div>
</a>
</h1>
<p class="leafygreen-ui-1kp3ins">
This section describes routine management operations.
</p>
<dl>
<dt>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/terminate-running-operations/">
Terminate Running Operations
</a>
</dt>
<dd class="css-1ufxuu7">
Stop in progress MongoDB client operations using
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.killOp/#mongodb-method-db.killOp">
<code class="leafygreen-ui-1l06pbn">
db.killOp()
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/cursor.maxTimeMS/#mongodb-method-cursor.maxTimeMS">
<code class="leafygreen-ui-1l06pbn">
maxTimeMS()
</code>
.
</a>
</dd>
<dt>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/rotate-log-files/">
Rotate Log Files
</a>
</dt>
<dd class="css-1ufxuu7">
Archive the current log files and start new ones.
</dd>
</dl>
</section>
|
https://www.mongodb.com/docs/manual/tutorial/terminate-running-operations/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Terminate Running Operations
<a class="headerlink leafygreen-ui-1kepx47" href="#terminate-running-operations" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="terminate-running-operations">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#overview" target="_self">
<span>
Overview
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#available-procedures" target="_self">
<span>
Available Procedures
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Overview
<a class="headerlink leafygreen-ui-1kepx47" href="#overview" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="overview">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
MongoDB provides two facilitates to terminate running operations:
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/cursor.maxTimeMS/#mongodb-method-cursor.maxTimeMS">
<code class="leafygreen-ui-1l06pbn">
maxTimeMS()
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.killOp/#mongodb-method-db.killOp">
<code class="leafygreen-ui-1l06pbn">
db.killOp()
</code>
</a>
. Use these
operations as needed to control the behavior of operations in a
MongoDB deployment.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Available Procedures
<a class="headerlink leafygreen-ui-1kepx47" href="#available-procedures" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="available-procedures">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
<code class="leafygreen-ui-1l06pbn">
maxTimeMS
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#maxtimems" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="maxtimems">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/cursor.maxTimeMS/#mongodb-method-cursor.maxTimeMS">
<code class="leafygreen-ui-1l06pbn">
maxTimeMS()
</code>
</a>
method sets a time limit for an
operation. When the operation reaches the specified time limit,
MongoDB interrupts the operation at the next
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-interrupt-point">
interrupt point
<!-- -->
.
</a>
</p>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Terminate a Query
<a class="headerlink leafygreen-ui-1kepx47" href="#terminate-a-query" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="terminate-a-query">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
From
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
, use the following method to set a
time limit of 30 milliseconds for this query:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.location.find( { \"town\": { \"$regex\": \"(Pine Lumber)\",\n \"$options\": 'i' } } ).maxTimeMS(30)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">location</span>.<span class="lg-highlight-title lg-highlight-function">find</span>( <!-- -->{ <span class="lg-highlight-string">"town"</span>: <!-- -->{ <span class="lg-highlight-string">"$regex"</span>: <span class="lg-highlight-string">"(Pine Lumber)"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"$options"</span>: <span class="lg-highlight-string">'i'</span> } } ).<span class="lg-highlight-title lg-highlight-function">maxTimeMS</span>(<span class="lg-highlight-number">30</span>)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-terminate-long-running-commands">
</span>
</section>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Terminate a Command
<a class="headerlink leafygreen-ui-1kepx47" href="#terminate-a-command" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="terminate-a-command">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Consider a potentially long running operation using
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/distinct/#mongodb-dbcommand-dbcmd.distinct">
<code class="leafygreen-ui-1l06pbn">
distinct
</code>
</a>
to return each distinct
<code class="leafygreen-ui-1l06pbn">
collection
</code>
field that
has a
<code class="leafygreen-ui-1l06pbn">
city
</code>
key:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.runCommand( { distinct: \"collection\",\n key: \"city\" } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>( <!-- -->{ <span class="lg-highlight-attr">distinct</span>: <span class="lg-highlight-string">"collection"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">key</span>: <span class="lg-highlight-string">"city"</span> } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
You can add the
<code class="leafygreen-ui-1l06pbn">
maxTimeMS
</code>
field to the command document to set a
time limit of 45 milliseconds for the operation:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.runCommand( { distinct: \"collection\",\n key: \"city\",\n maxTimeMS: 45 } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>( <!-- -->{ <span class="lg-highlight-attr">distinct</span>: <span class="lg-highlight-string">"collection"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">key</span>: <span class="lg-highlight-string">"city"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">maxTimeMS</span>: <span class="lg-highlight-number">45</span> } )</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Operations that reach
<code class="leafygreen-ui-1l06pbn">
maxTimeMS
</code>
will return a
<code class="leafygreen-ui-1l06pbn">
MaxTimeMSExpired
</code>
error.
</p>
</section>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
<code class="leafygreen-ui-1l06pbn">
killOp
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#killop" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="killop">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.killOp/#mongodb-method-db.killOp">
<code class="leafygreen-ui-1l06pbn">
db.killOp()
</code>
</a>
method interrupts a running operation at
the next
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-interrupt-point">
interrupt point
</a>
.
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.killOp/#mongodb-method-db.killOp">
<code class="leafygreen-ui-1l06pbn">
db.killOp()
</code>
</a>
identifies
the target operation by operation ID.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.killOp(<opid>)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">killOp</span>(<<!-- -->opId<!-- -->><!-- -->)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
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</button>
</div>
</div>
</div>
</div>
<div class="leafygreen-ui-1sjx7ru" role="note">
<h2 class="leafygreen-ui-29m78u">
Warning
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Terminate running operations with extreme caution. Only use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.killOp/#mongodb-method-db.killOp">
<code class="leafygreen-ui-1l06pbn">
db.killOp()
</code>
</a>
to terminate operations initiated by clients
and
<em>
do not
</em>
terminate internal database operations.
</p>
</div>
</div>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Sharded Cluster
<a class="headerlink leafygreen-ui-1kepx47" href="#sharded-cluster" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="sharded-cluster">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/killOp/#mongodb-dbcommand-dbcmd.killOp">
<code class="leafygreen-ui-1l06pbn">
killOp
</code>
</a>
command can be run on a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
and can
kill queries (i.e. read operations) that span shards in a cluster. The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/killOp/#mongodb-dbcommand-dbcmd.killOp">
<code class="leafygreen-ui-1l06pbn">
killOp
</code>
</a>
command from the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
does not propagate to
the shards when the operation to be killed is a write operation.
</p>
<p class="leafygreen-ui-1kp3ins">
For more information on killing operations on a sharded cluster, see:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.killOp/#std-label-kill-read-ops-sharded-cluster">
Kill Read Operations
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.killOp/#std-label-kill-write-ops-sharded-cluster">
Kill Write Operations
</a>
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
For information on how to list sharding operations that are active on a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
, see the
<code class="leafygreen-ui-1l06pbn">
localOps
</code>
parameter in
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/currentOp/#mongodb-pipeline-pipe.-currentOp">
<code class="leafygreen-ui-1l06pbn">
$currentOp
</code>
.
</a>
</p>
</section>
</section>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/method/rs.add/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
rs.add()
<a class="headerlink leafygreen-ui-1kepx47" href="#rs.add--" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="rs.add--">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
<span>
Definition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#ip-binding" target="_self">
<span>
IP Binding
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#behavior" target="_self">
<span>
Behavior
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#example" target="_self">
<span>
Example
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Definition
<a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="definition">
</div>
</a>
</h2>
<dl class="method">
<dt>
<code class="leafygreen-ui-1l06pbn">
rs.add(host, arbiterOnly)
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-method-rs.add" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-method-rs.add">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Adds a member to a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-replica-set">
replica set
</a>
. To run the method, you must
connect to the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-primary">
primary
</a>
of the replica set.
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:20%"/>
<col style="width:80%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Parameter
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Type
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
host
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
string or document
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
The new member to add to the replica set. Specify either as a string
or a configuration document:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If a document, specify a replica set member configuration document
as found in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/#mongodb-rsconf-rsconf.members">
<code class="leafygreen-ui-1l06pbn">
members
</code>
</a>
array. You must specify the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/#mongodb-rsconf-rsconf.members-n-.host">
<code class="leafygreen-ui-1l06pbn">
host
</code>
</a>
field in the member configuration
document.
</p>
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</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <<!-- -->int<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">host</span>: <<!-- -->string<!-- -->><!-- -->,<!-- --> <span class="lg-highlight-comment">// required</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">arbiterOnly</span>: <<!-- -->boolean<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">buildIndexes</span>: <<!-- -->boolean<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">hidden</span>: <<!-- -->boolean<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">priority</span>: <<!-- -->number<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">tags</span>: <<span class="lg-highlight-variable lg-highlight-language">document</span>><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">secondaryDelaySecs</span>: <<!-- -->int<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">votes</span>: <<!-- -->number<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For a description of the configuration field, refer to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/#mongodb-rsconf-rsconf.members">
<code class="leafygreen-ui-1l06pbn">
members
</code>
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If a string, specify the hostname and optionally the port number
for the new member.
</p>
</li>
</ul>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
arbiterOnly
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
boolean
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Optional. Applies only if the
<code class="leafygreen-ui-1l06pbn">
<host>
</code>
value is a string. If
<code class="leafygreen-ui-1l06pbn">
true
</code>
, the
added host is an arbiter.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-rs.add" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
rs.add()
</code>
</span>
</a>
provides a wrapper around some of the
functionality of the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/replSetReconfig/#mongodb-dbcommand-dbcmd.replSetReconfig">
<code class="leafygreen-ui-1l06pbn">
replSetReconfig
</code>
</a>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-database-command">
database command
</a>
and the corresponding
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
helper
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.reconfig/#mongodb-method-rs.reconfig">
<code class="leafygreen-ui-1l06pbn">
rs.reconfig()
</code>
</a>
. See the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/">
Self-Managed Replica Set Configuration
</a>
document for full
documentation of all replica set configuration options.
</p>
</dd>
</dl>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
IP Binding
<a class="headerlink leafygreen-ui-1kepx47" href="#ip-binding" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="ip-binding">
</div>
</a>
</h2>
<div class="leafygreen-ui-1sjx7ru" role="note">
<h2 class="leafygreen-ui-29m78u">
Warning
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Before you bind your instance to a publicly-accessible IP address,
you must secure your cluster from unauthorized access. For a complete
list of security recommendations, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/security-checklist/#std-label-security-checklist">
Security Checklist for Self-Managed Deployments
</a>
. At minimum, consider
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/security-checklist/#std-label-checklist-auth">
enabling authentication
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/security-hardening/#std-label-network-config-hardening">
hardening
network infrastructure
<!-- -->
.
</a>
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
MongoDB binaries,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
, bind
to localhost by default. If the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.ipv6">
<code class="leafygreen-ui-1l06pbn">
net.ipv6
</code>
</a>
configuration file
setting or the
<code class="leafygreen-ui-1l06pbn">
--ipv6
</code>
command line option is set for the binary,
the binary additionally binds to the localhost IPv6 address.
</p>
<p class="leafygreen-ui-1kp3ins">
By default
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
that are
bound to localhost only accept connections from clients that are
running on the same computer. This binding behavior includes
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
and other members of your replica set or sharded
cluster. Remote clients cannot connect to binaries that are bound only
to localhost.
</p>
<p class="leafygreen-ui-1kp3ins">
To override the default binding and bind to other IP addresses, use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.bindIp">
<code class="leafygreen-ui-1l06pbn">
net.bindIp
</code>
</a>
configuration file setting or the
<code class="leafygreen-ui-1l06pbn">
--bind_ip
</code>
command-line option to specify a list of hostnames or IP addresses.
</p>
<div class="leafygreen-ui-1sjx7ru" role="note">
<h2 class="leafygreen-ui-29m78u">
Warning
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Starting in MongDB 5.0,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://en.wikipedia.org/wiki/Split-horizon_DNS" rel="noopener noreferrer">
<span>
split horizon DNS
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
nodes that are
only configured with an IP address fail startup validation and
report an error. See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.disableSplitHorizonIPCheck">
<code class="leafygreen-ui-1l06pbn">
disableSplitHorizonIPCheck
</code>
.
</a>
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For example, the following
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance binds to both
the localhost and the hostname
<code class="leafygreen-ui-1l06pbn">
My-Example-Associated-Hostname
</code>
, which is
associated with the IP address
<code class="leafygreen-ui-1l06pbn">
198.51.100.1
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongod --bind_ip localhost,My-Example-Associated-Hostname"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongod --bind_ip localhost,My-Example-Associated-Hostname</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
In order to connect to this instance, remote clients must specify
the hostname or its associated IP address
<code class="leafygreen-ui-1l06pbn">
198.51.100.1
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongosh --host My-Example-Associated-Hostname\n\nmongosh --host 198.51.100.1"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongosh --host My-Example-Associated-Hostname</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">mongosh --host 198.51.100.1</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
To avoid configuration updates due to IP address changes, use DNS
hostnames instead of IP addresses. It is particularly important to
use a DNS hostname instead of an IP address when configuring replica
set members or sharded cluster members.
</p>
<p class="leafygreen-ui-1kp3ins">
Use hostnames instead of IP addresses to configure clusters across a
split network horizon. Starting in MongoDB 5.0, nodes that are only
configured with an IP address fail startup validation and do not start.
</p>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Behavior
<a class="headerlink leafygreen-ui-1kepx47" href="#behavior" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="behavior">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-rs.add" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
rs.add()
</code>
</span>
</a>
can, in some cases, trigger an election for primary
which will disconnect the shell (such as adding a new member with
a higher priority than the current primary). In such cases,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
may display an error even if the operation
succeeds.
</p>
<div class="leafygreen-ui-1sjx7ru" role="note">
<h2 class="leafygreen-ui-29m78u">
Warning
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Before MongoDB 5.0, a newly added secondary still counts as a voting
member even though it can neither serve reads nor become primary until
its data is consistent. If you are running a MongoDB version earlier
than 5.0 and add a secondary with its
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/#mongodb-rsconf-rsconf.members-n-.votes">
<code class="leafygreen-ui-1l06pbn">
votes
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/#mongodb-rsconf-rsconf.members-n-.priority">
<code class="leafygreen-ui-1l06pbn">
priority
</code>
</a>
settings greater than zero, this can
lead to a case where a majority of the voting members are
online but no primary can be elected. To avoid such situations,
consider adding the new secondary initially with
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/#mongodb-rsconf-rsconf.members-n-.priority">
<code class="leafygreen-ui-1l06pbn">
priority :0
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/#mongodb-rsconf-rsconf.members-n-.votes">
<code class="leafygreen-ui-1l06pbn">
votes :0
</code>
</a>
. Then, run
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.status/#mongodb-method-rs.status">
<code class="leafygreen-ui-1l06pbn">
rs.status()
</code>
</a>
to ensure the
member has transitioned into
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-states/#mongodb-replstate-replstate.SECONDARY">
<code class="leafygreen-ui-1l06pbn">
SECONDARY
</code>
</a>
state. Finally, use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.reconfig/#mongodb-method-rs.reconfig">
<code class="leafygreen-ui-1l06pbn">
rs.reconfig()
</code>
</a>
to update its priority and votes.
</p>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Example
<a class="headerlink leafygreen-ui-1kepx47" href="#example" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="example">
</div>
</a>
</h2>
<span class="leafygreen-ui-1qnjd6d" id="std-label-rs-add-member-new-replica-set">
</span>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Add a Secondary to a New Replica Set
<a class="headerlink leafygreen-ui-1kepx47" href="#add-a-secondary-to-a-new-replica-set" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="add-a-secondary-to-a-new-replica-set">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To add a new secondary member with default vote and priority settings
to a new replica set, you can call the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-rs.add" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
rs.add()
</code>
</span>
</a>
method with:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Member Configuration Document
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"rs.add( { host: \"mongodbd4.example.net:27017\" } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">rs.<span class="lg-highlight-title lg-highlight-function">add</span>( <!-- -->{ <span class="lg-highlight-attr">host</span>: <span class="lg-highlight-string">"mongodbd4.example.net:27017"</span> } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Host name
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"rs.add( \"mongodbd4.example.net:27017\" )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">rs.<span class="lg-highlight-title lg-highlight-function">add</span>( <span class="lg-highlight-string">"mongodbd4.example.net:27017"</span> )</td></tr></tbody></table></code></pre>
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<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</li>
</ul>
<span class="leafygreen-ui-1qnjd6d" id="std-label-rs-add-member-configuration-document">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Add a Secondary to an Existing Replica Set
<a class="headerlink leafygreen-ui-1kepx47" href="#add-a-secondary-to-an-existing-replica-set" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="add-a-secondary-to-an-existing-replica-set">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Add a new secondary member with default vote and priority settings
to an existing replica set:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"rs.add( { host: \"mongodbd4.example.net:27017\" } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">rs.<span class="lg-highlight-title lg-highlight-function">add</span>( <!-- -->{ <span class="lg-highlight-attr">host</span>: <span class="lg-highlight-string">"mongodbd4.example.net:27017"</span> } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<div class="leafygreen-ui-1sjx7ru" role="note">
<h2 class="leafygreen-ui-29m78u">
Warning
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Before MongoDB 5.0, a newly added secondary still counts as a voting
member even though it can neither serve reads nor become primary until
its data is consistent. If you are running a MongoDB version earlier
than 5.0 and add a secondary with its
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/#mongodb-rsconf-rsconf.members-n-.votes">
<code class="leafygreen-ui-1l06pbn">
votes
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/#mongodb-rsconf-rsconf.members-n-.priority">
<code class="leafygreen-ui-1l06pbn">
priority
</code>
</a>
settings greater than zero, this can
lead to a case where a majority of the voting members are
online but no primary can be elected. To avoid such situations,
consider adding the new secondary initially with
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/#mongodb-rsconf-rsconf.members-n-.priority">
<code class="leafygreen-ui-1l06pbn">
priority :0
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/#mongodb-rsconf-rsconf.members-n-.votes">
<code class="leafygreen-ui-1l06pbn">
votes :0
</code>
</a>
. Then, run
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.status/#mongodb-method-rs.status">
<code class="leafygreen-ui-1l06pbn">
rs.status()
</code>
</a>
to ensure the
member has transitioned into
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-states/#mongodb-replstate-replstate.SECONDARY">
<code class="leafygreen-ui-1l06pbn">
SECONDARY
</code>
</a>
state. Finally, use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.reconfig/#mongodb-method-rs.reconfig">
<code class="leafygreen-ui-1l06pbn">
rs.reconfig()
</code>
</a>
to update its priority and votes.
</p>
</div>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-rs-add-priority-0">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Add a Priority 0 Member to a Replica Set
<a class="headerlink leafygreen-ui-1kepx47" href="#add-a-priority-0-member-to-a-replica-set" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="add-a-priority-0-member-to-a-replica-set">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The following operation adds a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance, running on
the host
<code class="leafygreen-ui-1l06pbn">
mongodb4.example.net
</code>
and accessible on the default port
<code class="leafygreen-ui-1l06pbn">
27017
</code>
, as a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/replica-set-priority-0-member/#std-label-replica-set-secondary-only-members">
priority 0
</a>
secondary member:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"rs.add( { host: \"mongodbd4.example.net:27017\", priority: 0 } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">rs.<span class="lg-highlight-title lg-highlight-function">add</span>( <!-- -->{ <span class="lg-highlight-attr">host</span>: <span class="lg-highlight-string">"mongodbd4.example.net:27017"</span>, <span class="lg-highlight-attr">priority</span>: <span class="lg-highlight-number">0</span> } )</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
You must specify the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/#mongodb-rsconf-rsconf.members-n-.host">
<code class="leafygreen-ui-1l06pbn">
members[n].host
</code>
</a>
field in the member
configuration document.
</p>
<p class="leafygreen-ui-1kp3ins">
See the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/#mongodb-rsconf-rsconf.members">
<code class="leafygreen-ui-1l06pbn">
members
</code>
</a>
for the available replica set member
configuration settings.
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-rs-add-hostname">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Add an Arbiter to a Replica Set
<a class="headerlink leafygreen-ui-1kepx47" href="#add-an-arbiter-to-a-replica-set" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="add-an-arbiter-to-a-replica-set">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The following operation adds a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance, running on
the host
<code class="leafygreen-ui-1l06pbn">
mongodb3.example.net
</code>
and accessible on the default port
<code class="leafygreen-ui-1l06pbn">
27017
</code>
as an arbiter:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Member Configuration Document
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"rs.add( { host: \"mongodb3.example.net:27017\", arbiterOnly: true } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">rs.<span class="lg-highlight-title lg-highlight-function">add</span>( <!-- -->{ <span class="lg-highlight-attr">host</span>: <span class="lg-highlight-string">"mongodb3.example.net:27017"</span>, <span class="lg-highlight-attr">arbiterOnly</span>: <span class="lg-highlight-literal">true</span> } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Host name
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"rs.add(\"mongodb3.example.net:27017\", true)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">rs.<span class="lg-highlight-title lg-highlight-function">add</span>(<span class="lg-highlight-string">"mongodb3.example.net:27017"</span>, <span class="lg-highlight-literal">true</span>)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
See also:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/expand-replica-set/">
Add Members to a Self-Managed Replica Set
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/add-replica-set-arbiter/">
Add an Arbiter to a Self-Managed Replica Set
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/replace-replica-set-member/">
Replace a Self-Managed Replica Set Member
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/remove-replica-set-member/">
Remove Members from a Self-Managed Replica Set
</a>
</p>
</li>
</ul>
</section>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/operator/query/ne/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
$ne
<a class="headerlink leafygreen-ui-1kepx47" href="#-ne" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="-ne">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
<span>
Definition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#compatibility" target="_self">
<span>
Compatibility
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#syntax" target="_self">
<span>
Syntax
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#examples" target="_self">
<span>
Examples
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#match-document-fields-that-are-not-equal" target="_self">
<span>
Match Document Fields That Are Not Equal
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#update-based-on-not-equal-embedded-document-fields" target="_self">
<span>
Update Based on Not Equal Embedded Document Fields
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#learn-more" target="_self">
<span>
Learn More
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Definition
<a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="definition">
</div>
</a>
</h2>
<dl class="query">
<dt>
<code class="leafygreen-ui-1l06pbn">
$ne
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-query-op.-ne" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-query-op.-ne">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
$ne
</code>
selects the documents where the value of the
specified field is not equal to the specified value.
This includes documents that do not contain the specified field.
</p>
<p class="leafygreen-ui-1kp3ins">
For comparison of different BSON type values, see the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/bson-type-comparison-order/#std-label-bson-types-comparison-order">
specified
BSON comparison order
<!-- -->
.
</a>
</p>
</dd>
</dl>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Compatibility
<a class="headerlink leafygreen-ui-1kepx47" href="#compatibility" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="compatibility">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
You can use
<code class="leafygreen-ui-1l06pbn">
$ne
</code>
for deployments hosted in the following
environments:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas?tck=docs_server" target="_self">
<span>
MongoDB Atlas
</span>
</a>
: The fully
managed service for MongoDB deployments in the cloud
</p>
</li>
</ul>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-enterprise/#std-label-install-mdb-enterprise">
MongoDB Enterprise
</a>
: The
subscription-based, self-managed version of MongoDB
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-community/#std-label-install-mdb-community-edition">
MongoDB Community
</a>
: The
source-available, free-to-use, and self-managed version of MongoDB
</p>
</li>
</ul>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Syntax
<a class="headerlink leafygreen-ui-1kepx47" href="#syntax" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="syntax">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
$ne
</code>
operator has the following form:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ field: { $ne: value } }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">field</span>: <!-- -->{ <span class="lg-highlight-attr">$ne</span>: <!-- -->value } }</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
If the value of the
<code class="leafygreen-ui-1l06pbn">
$ne
</code>
operator is null, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/query-for-null-fields/#std-label-non-equality-filter">
Non-Equality Filter
</a>
for more information.
</p>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Examples
<a class="headerlink leafygreen-ui-1kepx47" href="#examples" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="examples">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The following examples use the
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection. To create the
collection run the following
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.insertMany/#mongodb-method-db.collection.insertMany">
<code class="leafygreen-ui-1l06pbn">
insertMany()
</code>
</a>
command in
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
:
</span>
</a>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.inventory.insertMany( [\n {\n \"item\": \"nuts\", \"quantity\": 30,\n \"carrier\": { \"name\": \"Shipit\", \"fee\": 3 }\n },\n {\n \"item\": \"bolts\", \"quantity\": 50,\n \"carrier\": { \"name\": \"Shipit\", \"fee\": 4 }\n },\n {\n \"item\": \"washers\", \"quantity\": 10,\n \"carrier\": { \"name\": \"Shipit\", \"fee\": 1 }\n }\n] )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">inventory</span>.<span class="lg-highlight-title lg-highlight-function">insertMany</span>( <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"item"</span>: <span class="lg-highlight-string">"nuts"</span>, <span class="lg-highlight-string">"quantity"</span>: <span class="lg-highlight-number">30</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"carrier"</span>: <!-- -->{ <span class="lg-highlight-string">"name"</span>: <span class="lg-highlight-string">"Shipit"</span>, <span class="lg-highlight-string">"fee"</span>: <span class="lg-highlight-number">3</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"item"</span>: <span class="lg-highlight-string">"bolts"</span>, <span class="lg-highlight-string">"quantity"</span>: <span class="lg-highlight-number">50</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"carrier"</span>: <!-- -->{ <span class="lg-highlight-string">"name"</span>: <span class="lg-highlight-string">"Shipit"</span>, <span class="lg-highlight-string">"fee"</span>: <span class="lg-highlight-number">4</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"item"</span>: <span class="lg-highlight-string">"washers"</span>, <span class="lg-highlight-string">"quantity"</span>: <span class="lg-highlight-number">10</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"carrier"</span>: <!-- -->{ <span class="lg-highlight-string">"name"</span>: <span class="lg-highlight-string">"Shipit"</span>, <span class="lg-highlight-string">"fee"</span>: <span class="lg-highlight-number">1</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">] )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Match Document Fields That Are Not Equal
<a class="headerlink leafygreen-ui-1kepx47" href="#match-document-fields-that-are-not-equal" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="match-document-fields-that-are-not-equal">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Select all documents in the
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection where
<code class="leafygreen-ui-1l06pbn">
quantity
</code>
is not equal to
<code class="leafygreen-ui-1l06pbn">
20
</code>
. This query also selects documents that do not
have the
<code class="leafygreen-ui-1l06pbn">
quantity
</code>
field:
</p>
<div class="css-1j0r1ai">
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.inventory.find( { quantity: { $ne: 20 } } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">inventory</span>.<span class="lg-highlight-title lg-highlight-function">find</span>( <!-- -->{ <span class="lg-highlight-attr">quantity</span>: <!-- -->{ <span class="lg-highlight-attr">$ne</span>: <span class="lg-highlight-number">20</span> } } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<div class="css-9st569 efa38qy0" style="--border-color:#E8EDEB">
<button aria-disabled="false" class="lg-ui-button-0000 leafygreen-ui-hix6y6" data-lgid="lg-button" role="button" type="button">
<div class="leafygreen-ui-v038xi">
</div>
<div class="leafygreen-ui-16tr4y">
<svg alt="" aria-hidden="true" class="leafygreen-ui-hjnzs9" fill="none" height="16" role="presentation" viewbox="0 0 16 16" width="16" xmlns="http://www.w3.org/2000/svg">
<path clip-rule="evenodd" d="M1.636 5.364a1 1 0 0 0 0 1.414l4.95 4.95.707.707a1 1 0 0 0 1.414 0l.707-.707 4.95-4.95a1 1 0 0 0 0-1.414l-.707-.707a1 1 0 0 0-1.414 0L8 8.899 3.757 4.657a1 1 0 0 0-1.414 0l-.707.707Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
VIEW OUTPUT
</div>
</button>
</div>
<div class="leafygreen-ui-38lglc">
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n _id: ObjectId(\"61ba667dfe687fce2f042420\"),\n item: 'nuts',\n quantity: 30,\n carrier: { name: 'Shipit', fee: 3 }\n},\n{\n _id: ObjectId(\"61ba667dfe687fce2f042421\"),\n item: 'bolts',\n quantity: 50,\n carrier: { name: 'Shipit', fee: 4 }\n},\n{\n _id: ObjectId(\"61ba667dfe687fce2f042422\"),\n item: 'washers',\n quantity: 10,\n carrier: { name: 'Shipit', fee: 1 }\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-1sax7hu e11q6jfk0" style="--code-container-border:initial;--code-pre-border:none">
<div class="leafygreen-ui-1fyvhqe">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-12cejcz" tabindex="-1"><code class="lg-highlight-hljs-dark javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-title lg-highlight-class">ObjectId</span>(<span class="lg-highlight-string">"61ba667dfe687fce2f042420"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">item</span>: <span class="lg-highlight-string">'nuts'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">quantity</span>: <span class="lg-highlight-number">30</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">carrier</span>: <!-- -->{ <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">'Shipit'</span>, <span class="lg-highlight-attr">fee</span>: <span class="lg-highlight-number">3</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-title lg-highlight-class">ObjectId</span>(<span class="lg-highlight-string">"61ba667dfe687fce2f042421"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">item</span>: <span class="lg-highlight-string">'bolts'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">quantity</span>: <span class="lg-highlight-number">50</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">carrier</span>: <!-- -->{ <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">'Shipit'</span>, <span class="lg-highlight-attr">fee</span>: <span class="lg-highlight-number">4</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-title lg-highlight-class">ObjectId</span>(<span class="lg-highlight-string">"61ba667dfe687fce2f042422"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">item</span>: <span class="lg-highlight-string">'washers'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">quantity</span>: <span class="lg-highlight-number">10</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">carrier</span>: <!-- -->{ <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">'Shipit'</span>, <span class="lg-highlight-attr">fee</span>: <span class="lg-highlight-number">1</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The SQL equivalent to this query is:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"SELECT * FROM INVENTORY WHERE QUANTITIY != 20","programmingLanguage":"SQL"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1agdxuk" tabindex="-1"><code class="lg-highlight-hljs-light sql leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">SELECT</span> <span class="lg-highlight-operator">*</span> <span class="lg-highlight-keyword">FROM</span> INVENTORY <span class="lg-highlight-keyword">WHERE</span> QUANTITIY <span class="lg-highlight-operator">!=</span> <span class="lg-highlight-number">20</span></td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Update Based on Not Equal Embedded Document Fields
<a class="headerlink leafygreen-ui-1kepx47" href="#update-based-on-not-equal-embedded-document-fields" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="update-based-on-not-equal-embedded-document-fields">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The following example sets the
<code class="leafygreen-ui-1l06pbn">
price
</code>
field based on a
<code class="leafygreen-ui-1l06pbn">
$ne
</code>
comparison against a field in an embedded document. The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.updateMany/#mongodb-method-db.collection.updateMany">
<code class="leafygreen-ui-1l06pbn">
updateMany()
</code>
</a>
operation searches for an
embedded document,
<code class="leafygreen-ui-1l06pbn">
carrier
</code>
, with a subfield named
<code class="leafygreen-ui-1l06pbn">
fee
</code>
. It uses
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/update/set/#mongodb-update-up.-set">
<code class="leafygreen-ui-1l06pbn">
$set
</code>
</a>
to update the
<code class="leafygreen-ui-1l06pbn">
price
</code>
field to
<code class="leafygreen-ui-1l06pbn">
9.99
</code>
in each
document where
<code class="leafygreen-ui-1l06pbn">
fee
</code>
has a value that does not equal
<code class="leafygreen-ui-1l06pbn">
1
</code>
or
where the
<code class="leafygreen-ui-1l06pbn">
fee
</code>
subfield does not exist:
</p>
<div class="css-1j0r1ai">
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.inventory.updateMany(\n { \"carrier.fee\" : { $ne: 1 } },\n { $set: { \"price\": 9.99 } }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">inventory</span>.<span class="lg-highlight-title lg-highlight-function">updateMany</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-string">"carrier.fee"</span> <!-- -->: <!-- -->{ <span class="lg-highlight-attr">$ne</span>: <span class="lg-highlight-number">1</span> } }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">$set</span>: <!-- -->{ <span class="lg-highlight-string">"price"</span>: <span class="lg-highlight-number">9.99</span> } }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<div class="css-9st569 efa38qy0" style="--border-color:#E8EDEB">
<button aria-disabled="false" class="lg-ui-button-0000 leafygreen-ui-hix6y6" data-lgid="lg-button" role="button" type="button">
<div class="leafygreen-ui-v038xi">
</div>
<div class="leafygreen-ui-16tr4y">
<svg alt="" aria-hidden="true" class="leafygreen-ui-hjnzs9" fill="none" height="16" role="presentation" viewbox="0 0 16 16" width="16" xmlns="http://www.w3.org/2000/svg">
<path clip-rule="evenodd" d="M1.636 5.364a1 1 0 0 0 0 1.414l4.95 4.95.707.707a1 1 0 0 0 1.414 0l.707-.707 4.95-4.95a1 1 0 0 0 0-1.414l-.707-.707a1 1 0 0 0-1.414 0L8 8.899 3.757 4.657a1 1 0 0 0-1.414 0l-.707.707Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
VIEW OUTPUT
</div>
</button>
</div>
<div class="leafygreen-ui-38lglc">
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n _id: ObjectId(\"61ba66e2fe687fce2f042423\"),\n item: 'nuts',\n quantity: 30,\n carrier: { name: 'Shipit', fee: 3 },\n price: 9.99\n},\n{\n _id: ObjectId(\"61ba66e2fe687fce2f042424\"),\n item: 'bolts',\n quantity: 50,\n carrier: { name: 'Shipit', fee: 4 },\n price: 9.99\n},\n{\n _id: ObjectId(\"61ba66e2fe687fce2f042425\"),\n item: 'washers',\n quantity: 10,\n carrier: { name: 'Shipit', fee: 1 }\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-1sax7hu e11q6jfk0" style="--code-container-border:initial;--code-pre-border:none">
<div class="leafygreen-ui-1fyvhqe">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-12cejcz" tabindex="-1"><code class="lg-highlight-hljs-dark javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-title lg-highlight-class">ObjectId</span>(<span class="lg-highlight-string">"61ba66e2fe687fce2f042423"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">item</span>: <span class="lg-highlight-string">'nuts'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">quantity</span>: <span class="lg-highlight-number">30</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">carrier</span>: <!-- -->{ <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">'Shipit'</span>, <span class="lg-highlight-attr">fee</span>: <span class="lg-highlight-number">3</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">price</span>: <span class="lg-highlight-number">9.99</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-title lg-highlight-class">ObjectId</span>(<span class="lg-highlight-string">"61ba66e2fe687fce2f042424"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">item</span>: <span class="lg-highlight-string">'bolts'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">quantity</span>: <span class="lg-highlight-number">50</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">carrier</span>: <!-- -->{ <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">'Shipit'</span>, <span class="lg-highlight-attr">fee</span>: <span class="lg-highlight-number">4</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">price</span>: <span class="lg-highlight-number">9.99</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-title lg-highlight-class">ObjectId</span>(<span class="lg-highlight-string">"61ba66e2fe687fce2f042425"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">item</span>: <span class="lg-highlight-string">'washers'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">quantity</span>: <span class="lg-highlight-number">10</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">carrier</span>: <!-- -->{ <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">'Shipit'</span>, <span class="lg-highlight-attr">fee</span>: <span class="lg-highlight-number">1</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The SQL equivalent to this query is:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"UPDATE INVENTORY SET PRICE = '9.99' WHERE carrierfee != 1","programmingLanguage":"SQL"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1agdxuk" tabindex="-1"><code class="lg-highlight-hljs-light sql leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">UPDATE</span> INVENTORY <span class="lg-highlight-keyword">SET</span> PRICE <span class="lg-highlight-operator">=</span> <span class="lg-highlight-string">'9.99'</span> <span class="lg-highlight-keyword">WHERE</span> carrierfee <span class="lg-highlight-operator">!=</span> <span class="lg-highlight-number">1</span></td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The inequality operator
<code class="leafygreen-ui-1l06pbn">
$ne
</code>
is
<em>
not
</em>
very selective since
it often matches a large portion of the index. As a result, in many
cases, a
<code class="leafygreen-ui-1l06pbn">
$ne
</code>
query with an index may perform no better
than a
<code class="leafygreen-ui-1l06pbn">
$ne
</code>
query that must scan all documents in a
collection. See also
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/query-optimization/#std-label-read-operations-query-selectivity">
Query Selectivity
<!-- -->
.
</a>
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Learn More
<a class="headerlink leafygreen-ui-1kepx47" href="#learn-more" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="learn-more">
</div>
</a>
</h2>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/sql-comparison/#std-label-sql-to-mongodb-mapping">
SQL to MongoDB Mapping Chart
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/query-documents/#std-label-read-operations-query-document">
Query Documents
</a>
</p>
</li>
</ul>
</section>
</section>
|
https://www.mongodb.com/docs/manual/core/kerberos/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Kerberos Authentication on Self-Managed Deployments
<a class="headerlink leafygreen-ui-1kepx47" href="#kerberos-authentication-on-self-managed-deployments" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="kerberos-authentication-on-self-managed-deployments">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#overview" target="_self">
<span>
Overview
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#kerberos-components-and-mongodb" target="_self">
<span>
Kerberos Components and MongoDB
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#operational-considerations" target="_self">
<span>
Operational Considerations
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#kerberized-mongodb-environments" target="_self">
<span>
Kerberized MongoDB Environments
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#testing-and-verification" target="_self">
<span>
Testing and Verification
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Overview
<a class="headerlink leafygreen-ui-1kepx47" href="#overview" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="overview">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
MongoDB Enterprise provides support for Kerberos authentication of
MongoDB clients to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instances. Kerberos is an industry standard authentication protocol for
large client/server systems. Kerberos allows MongoDB and applications to
take advantage of existing authentication infrastructure and processes.
MongoDB Enterprise only supports the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://kerberos.org/" rel="noopener noreferrer">
<span>
MIT implementation
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
of Kerberos.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Kerberos Components and MongoDB
<a class="headerlink leafygreen-ui-1kepx47" href="#kerberos-components-and-mongodb" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="kerberos-components-and-mongodb">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Principals
<a class="headerlink leafygreen-ui-1kepx47" href="#principals" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="principals">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
In a Kerberos-based system, every participant in the authenticated
communication is known as a "principal", and every principal must have
a unique name.
</p>
<p class="leafygreen-ui-1kp3ins">
Principals belong to administrative units called
<em>
realms
</em>
. For each
realm, the Kerberos Key Distribution Center (KDC) maintains a database
of the realm's principal and the principals' associated "secret keys".
</p>
<p class="leafygreen-ui-1kp3ins">
For a client-server authentication, the client requests from the KDC a
"ticket" for access to a specific asset. KDC uses the client's
secret and the server's secret to construct the ticket which allows the
client and server to mutually authenticate each other, while keeping
the secrets hidden.
</p>
<p class="leafygreen-ui-1kp3ins">
For the configuration of MongoDB for Kerberos support, two kinds of
principal names are of interest:
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-kerberos-user-principal" target="_self">
<span>
user principals
</span>
</a>
and
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-kerberos-service-principal" target="_self">
<span>
service principals
<!-- -->
.
</span>
</a>
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-kerberos-user-principal">
</span>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
User Principal
<a class="headerlink leafygreen-ui-1kepx47" href="#user-principal" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="user-principal">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
To authenticate using Kerberos, you must add the Kerberos user
principals to MongoDB to the
<code class="leafygreen-ui-1l06pbn">
$external
</code>
database. User principal
names have the form:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"<username>@<kerberos>"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><username>@<KERBEROS REALM></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For every user you want to authenticate using Kerberos, you must create
a corresponding user in MongoDB in the
<code class="leafygreen-ui-1l06pbn">
$external
</code>
database.
</p>
<p class="leafygreen-ui-1kp3ins">
To use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/read-isolation-consistency-recency/#std-label-sessions">
Client Sessions and Causal Consistency Guarantees
</a>
with
<code class="leafygreen-ui-1l06pbn">
$external
</code>
authentication users
(Kerberos, LDAP, or x.509 users), usernames cannot be greater
than 10k bytes.
</p>
<p class="leafygreen-ui-1kp3ins">
For examples of adding a user to MongoDB as well as authenticating as
that user, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/control-access-to-mongodb-with-kerberos-authentication/">
Configure Self-Managed MongoDB with Kerberos Authentication on Linux
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/control-access-to-mongodb-windows-with-kerberos-authentication/">
Configure Self-Managed MongoDB with Kerberos Authentication on Windows
<!-- -->
.
</a>
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/manage-users-and-roles/">
Manage Users and Roles on Self-Managed Deployments
</a>
for
general information regarding creating and managing users in
MongoDB.
</p>
</div>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-kerberos-service-principal">
</span>
</section>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Service Principal
<a class="headerlink leafygreen-ui-1kepx47" href="#service-principal" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="service-principal">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Every MongoDB
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance (or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod.exe/#mongodb-binary-bin.mongod.exe">
<code class="leafygreen-ui-1l06pbn">
mongod.exe
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos.exe/#mongodb-binary-bin.mongos.exe">
<code class="leafygreen-ui-1l06pbn">
mongos.exe
</code>
</a>
on Windows) must have an
associated service principal. Service principal names have the form:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"<service>/<fully>@<kerberos>"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><service>/<fully qualified domain name>@<KERBEROS REALM></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For MongoDB, the
<code class="leafygreen-ui-1l06pbn">
<service>
</code>
defaults to
<code class="leafygreen-ui-1l06pbn">
mongodb
</code>
. For example, if
<code class="leafygreen-ui-1l06pbn">
m1.example.com
</code>
is a MongoDB server, and
<code class="leafygreen-ui-1l06pbn">
example.com
</code>
maintains
the
<code class="leafygreen-ui-1l06pbn">
EXAMPLE.COM
</code>
Kerberos realm, then
<code class="leafygreen-ui-1l06pbn">
m1
</code>
should have the service
principal name
<code class="leafygreen-ui-1l06pbn">
mongodb/[email protected]
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
To specify a different value for
<code class="leafygreen-ui-1l06pbn">
<service>
</code>
, use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-security.sasl.serviceName">
<code class="leafygreen-ui-1l06pbn">
serviceName
</code>
</a>
during the start up of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
(or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod.exe/#mongodb-binary-bin.mongod.exe">
<code class="leafygreen-ui-1l06pbn">
mongod.exe
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos.exe/#mongodb-binary-bin.mongos.exe">
<code class="leafygreen-ui-1l06pbn">
mongos.exe
</code>
</a>
).
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
or other clients may also specify a different
service principal name using
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-security.sasl.serviceName">
<code class="leafygreen-ui-1l06pbn">
serviceName
</code>
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
Service principal names must be reachable over the network using the
fully qualified domain name (FQDN) part of its service principal name.
</p>
<p class="leafygreen-ui-1kp3ins">
By default, Kerberos attempts to identify hosts using the
<code class="leafygreen-ui-1l06pbn">
/etc/krb5.conf
</code>
file before using DNS to resolve hosts.
</p>
<p class="leafygreen-ui-1kp3ins">
On Windows, if running MongoDB as a service, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/control-access-to-mongodb-windows-with-kerberos-authentication/#std-label-assign-service-principal-name">
Assign Service Principal Name to MongoDB Windows Service
<!-- -->
.
</a>
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-keytab-files">
</span>
</section>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Linux Keytab Files
<a class="headerlink leafygreen-ui-1kepx47" href="#linux-keytab-files" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="linux-keytab-files">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Linux systems can store Kerberos authentication keys for a
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-kerberos-service-principal" target="_self">
<span>
service principal
</span>
</a>
in
<em>
keytab
</em>
files. Each Kerberized
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance
running on Linux must have access to a keytab file containing keys for
its
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-kerberos-service-principal" target="_self">
<span>
service principal
<!-- -->
.
</span>
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
To keep keytab files secure, use file permissions that restrict access
to only the user that runs the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
process.
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-linux-init-mongodb-clients">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Tickets
<a class="headerlink leafygreen-ui-1kepx47" href="#tickets" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="tickets">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
On Linux, MongoDB clients can use Kerberos's
<code class="leafygreen-ui-1l06pbn">
kinit
</code>
program to
initialize a credential cache for authenticating the user principal to
servers.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Windows Active Directory
<a class="headerlink leafygreen-ui-1kepx47" href="#windows-active-directory" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="windows-active-directory">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Unlike on Linux systems,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instances running on Windows do not require access to keytab files.
Instead, the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instances read
their server credentials from a credential store specific to the
operating system.
</p>
<p class="leafygreen-ui-1kp3ins">
However, from the Windows Active Directory, you can export a keytab
file for use on Linux systems. See
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="http://technet.microsoft.com/en-us/library/cc753771.aspx" rel="noopener noreferrer">
<span>
Ktpass
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
for more
information.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Authenticate With Kerberos
<a class="headerlink leafygreen-ui-1kepx47" href="#authenticate-with-kerberos" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="authenticate-with-kerberos">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To configure MongoDB for Kerberos support and authenticate, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/control-access-to-mongodb-with-kerberos-authentication/">
Configure Self-Managed MongoDB with Kerberos Authentication on Linux
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/control-access-to-mongodb-windows-with-kerberos-authentication/">
Configure Self-Managed MongoDB with Kerberos Authentication on Windows
<!-- -->
.
</a>
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Operational Considerations
<a class="headerlink leafygreen-ui-1kepx47" href="#operational-considerations" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="operational-considerations">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
DNS
<a class="headerlink leafygreen-ui-1kepx47" href="#dns" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="dns">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Each host that runs a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance
must have both
<code class="leafygreen-ui-1l06pbn">
A
</code>
and
<code class="leafygreen-ui-1l06pbn">
PTR
</code>
DNS records to provide forward and
reverse lookup.
</p>
<p class="leafygreen-ui-1kp3ins">
Without
<code class="leafygreen-ui-1l06pbn">
A
</code>
and
<code class="leafygreen-ui-1l06pbn">
PTR
</code>
DNS records, the host cannot resolve the
components of the Kerberos domain or the Key Distribution Center (KDC).
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
System Time Synchronization
<a class="headerlink leafygreen-ui-1kepx47" href="#system-time-synchronization" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="system-time-synchronization">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To successfully authenticate, the system time for each
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance must be within
5 minutes of the system time of the other hosts in the Kerberos
infrastructure.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Kerberized MongoDB Environments
<a class="headerlink leafygreen-ui-1kepx47" href="#kerberized-mongodb-environments" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="kerberized-mongodb-environments">
</div>
</a>
</h2>
<span class="leafygreen-ui-1qnjd6d" id="std-label-kerberos-and-drivers">
</span>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Driver Support
<a class="headerlink leafygreen-ui-1kepx47" href="#driver-support" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="driver-support">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The following MongoDB drivers support Kerberos authentication:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/languages/c/c-driver/current/" target="_self">
<span>
C
</span>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/drivers/cpp/" target="_self">
<span>
C++
</span>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/drivers/tutorial/authenticate-with-java-driver/" target="_self">
<span>
Java
</span>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="http://mongodb.github.io/mongo-csharp-driver/2.0/reference/driver/authentication/#gssapi-kerberos" rel="noopener noreferrer">
<span>
C#
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://pkg.go.dev/go.mongodb.org/mongo-driver" rel="noopener noreferrer">
<span>
Go
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="http://mongodb.github.io/node-mongodb-native/2.0/tutorials/enterprise_features/" rel="noopener noreferrer">
<span>
Node.js
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://metacpan.org/pod/MongoDB::MongoClient#GSSAPI-(for-Kerberos)" rel="noopener noreferrer">
<span>
Perl
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="http://php.net/manual/en/mongodb-driver-manager.construct.php" rel="noopener noreferrer">
<span>
PHP
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://pymongo.readthedocs.io/en/stable/index.html" rel="noopener noreferrer">
<span>
Python
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/ruby-driver/current/tutorials/ruby-driver-authentication/#kerberos-gssapi-mechanism" target="_self">
<span>
Ruby
</span>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="http://mongodb.github.io/mongo-scala-driver/2.1/reference/connecting/authenticating/" rel="noopener noreferrer">
<span>
Scala
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://mongodb.github.io/mongo-swift-driver/docs/current/" rel="noopener noreferrer">
<span>
Swift
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</p>
</li>
</ul>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Use with Additional MongoDB Authentication Mechanism
<a class="headerlink leafygreen-ui-1kepx47" href="#use-with-additional-mongodb-authentication-mechanism" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="use-with-additional-mongodb-authentication-mechanism">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Although MongoDB supports the use of Kerberos authentication with other
authentication mechanisms, only add the other mechanisms as necessary.
See the
<code class="leafygreen-ui-1l06pbn">
Incorporate Additional Authentication Mechanisms
</code>
section in
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/control-access-to-mongodb-with-kerberos-authentication/">
Configure Self-Managed MongoDB with Kerberos Authentication on Linux
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/control-access-to-mongodb-windows-with-kerberos-authentication/">
Configure Self-Managed MongoDB with Kerberos Authentication on Windows
</a>
for details.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Testing and Verification
<a class="headerlink leafygreen-ui-1kepx47" href="#testing-and-verification" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="testing-and-verification">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongokerberos/#mongodb-binary-bin.mongokerberos">
<code class="leafygreen-ui-1l06pbn">
mongokerberos
</code>
</a>
program provides a convenient method to
verify your platform's Kerberos configuration for use with MongoDB, and to
test that Kerberos authentication from a MongoDB client works as expected.
See the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongokerberos/#mongodb-binary-bin.mongokerberos">
<code class="leafygreen-ui-1l06pbn">
mongokerberos
</code>
</a>
documentation for more information.
</p>
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongokerberos/#mongodb-binary-bin.mongokerberos">
<code class="leafygreen-ui-1l06pbn">
mongokerberos
</code>
</a>
is available in MongoDB Enterprise only.
</p>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/command/getAuditConfig/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
getAuditConfig
<a class="headerlink leafygreen-ui-1kepx47" href="#getauditconfig" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="getauditconfig">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
<span>
Definition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#compatibility" target="_self">
<span>
Compatibility
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#syntax" target="_self">
<span>
Syntax
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#behavior" target="_self">
<span>
Behavior
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#examples" target="_self">
<span>
Examples
</span>
</a>
</li>
</ul>
</div>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
<em>
Deprecated in version 7.1:
</em>
Use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/cluster-parameters/auditConfig/#mongodb-parameter-param.auditConfig">
<code class="leafygreen-ui-1l06pbn">
auditConfig
</code>
</a>
cluster
parameter instead.
</p>
</div>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Definition
<a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="definition">
</div>
</a>
</h2>
<dl class="dbcommand">
<dt>
<code class="leafygreen-ui-1l06pbn">
getAuditConfig
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-dbcommand-dbcmd.getAuditConfig" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-dbcommand-dbcmd.getAuditConfig">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.getAuditConfig" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
getAuditConfig
</code>
</span>
</a>
is an administrative command that
retrieves audit configurations from
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
server instances.
</p>
</dd>
</dl>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Compatibility
<a class="headerlink leafygreen-ui-1kepx47" href="#compatibility" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="compatibility">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
This command is available in deployments hosted in the following environments:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-enterprise/#std-label-install-mdb-enterprise">
MongoDB Enterprise
</a>
: The
subscription-based, self-managed version of MongoDB
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-community/#std-label-install-mdb-community-edition">
MongoDB Community
</a>
: The
source-available, free-to-use, and self-managed version of MongoDB
</p>
</li>
</ul>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
This command is not supported in MongoDB Atlas clusters.
For information on Atlas support for all commands,
see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/unsupported-commands/" target="_self">
<span>
Unsupported Commands
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Syntax
<a class="headerlink leafygreen-ui-1kepx47" href="#syntax" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="syntax">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The command has the following syntax:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.adminCommand(\n {\n getAuditConfig: 1\n }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">adminCommand</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">getAuditConfig</span>: <span class="lg-highlight-number">1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Behavior
<a class="headerlink leafygreen-ui-1kepx47" href="#behavior" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="behavior">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/auditing/#std-label-auditing">
Auditing
</a>
must be enabled to use
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.getAuditConfig" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
getAuditConfig
</code>
.
</span>
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
Nodes that are not participating in a runtime audit configuration
return their current configuration file settings for
<code class="leafygreen-ui-1l06pbn">
auditLog.filter
</code>
and
<code class="leafygreen-ui-1l06pbn">
setParameter.auditAuthorizationSuccess
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
Nodes that are participating in the runtime audit synthesize their
current configuration from memory. Configuration updates are
distributed via the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-oplog">
oplog
</a>
mechanism which means updates on
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
nodes are distributed to secondary nodes very
quickly. However, the distribution mechanism is different on
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
nodes.
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
nodes have to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.auditConfigPollingFrequencySecs">
<code class="leafygreen-ui-1l06pbn">
poll
</code>
</a>
the primary server
at regular intervals for configuration updates. You may see stale data
due to polling delay if you run
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/setAuditConfig/#mongodb-dbcommand-dbcmd.setAuditConfig">
<code class="leafygreen-ui-1l06pbn">
setAuditConfig
</code>
</a>
on the
primary server and
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.getAuditConfig" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
getAuditConfig
</code>
</span>
</a>
on a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/sharding/#std-label-sharding-introduction">
shard
</a>
before the shard has polled the primary server
for updated configuration details.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
If you are writing automated audit scripts, note that the quoting
style and the types used to represent the cluster signature differ
between
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
and the legacy
<code class="leafygreen-ui-1l06pbn">
mongo
</code>
shell. In
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
the types are Binary and Long. The corresponding types in the legacy
shell are BinData and NumberLong.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"// mongosh\nsignature: {\n hash: Binary(Buffer.from(\"0000000000000000000000000000000000000000\", \"hex\"), 0),\n keyId: Long(\"0\")\n}\n\n// mongo\n\"signature\" : {\n \"hash\" : BinData(0,\"AAAAAAAAAAAAAAAAAAAAAAAAAAA=\"),\n \"keyId\" : NumberLong(0)\n }","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-tyg50d">
<pre class="leafygreen-ui-1453az5" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// mongosh</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">signature</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">hash</span>: <span class="lg-highlight-title lg-highlight-class">Binary</span>(<span class="lg-highlight-title lg-highlight-class">Buffer</span>.<span class="lg-highlight-title lg-highlight-function">from</span>(<span class="lg-highlight-string">"0000000000000000000000000000000000000000"</span>, <span class="lg-highlight-string">"hex"</span>)<!-- -->, <span class="lg-highlight-number">0</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">keyId</span>: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// mongo</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string">"signature"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"hash"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">BinData</span>(<span class="lg-highlight-number">0</span>,<span class="lg-highlight-string">"AAAAAAAAAAAAAAAAAAAAAAAAAAA="</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"keyId"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">NumberLong</span>(<span class="lg-highlight-number">0</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Examples
<a class="headerlink leafygreen-ui-1kepx47" href="#examples" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="examples">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Run
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.getAuditConfig" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
getAuditConfig
</code>
</span>
</a>
on the
<code class="leafygreen-ui-1l06pbn">
admin
</code>
database .
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.adminCommand({getAuditConfig: 1})","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">adminCommand</span>(<!-- -->{<span class="lg-highlight-attr">getAuditConfig</span>: <span class="lg-highlight-number">1</span>})</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The example server is configured to audit read and write operations. It
has a filter which captures the desired operations and the
<code class="leafygreen-ui-1l06pbn">
auditAuthorizationSuccess
</code>
value has been set to
<code class="leafygreen-ui-1l06pbn">
true
</code>
.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n generation: ObjectId(\"60e73e74680a655705f16525\"),\n filter: {\n atype: 'authCheck',\n 'param.command': {\n '$in': [ 'find', 'insert', 'delete', 'update', 'findandmodify' ]\n }\n },\n auditAuthorizationSuccess: true,\n ok: 1,\n '$clusterTime': {\n clusterTime: Timestamp(1, 1625767540),\n signature: {\n hash: Binary(Buffer.from(\"0000000000000000000000000000000000000000\", \"hex\"), 0),\n keyId: Long(\"0\")\n }\n },\n operationTime: Timestamp(1, 1625767540)\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-tyg50d">
<pre class="leafygreen-ui-1453az5" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">generation</span>: <span class="lg-highlight-title lg-highlight-class">ObjectId</span>(<span class="lg-highlight-string">"60e73e74680a655705f16525"</span>)<!-- -->,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">filter</span>: <!-- -->{</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">atype</span>: <span class="lg-highlight-string">'authCheck'</span>,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">'param.command'</span>: <!-- -->{</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">'$in'</span>: <!-- -->[ <span class="lg-highlight-string">'find'</span>, <span class="lg-highlight-string">'insert'</span>, <span class="lg-highlight-string">'delete'</span>, <span class="lg-highlight-string">'update'</span>, <span class="lg-highlight-string">'findandmodify'</span> ]</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">auditAuthorizationSuccess</span>: <span class="lg-highlight-literal">true</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">ok</span>: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">'$clusterTime'</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">clusterTime</span>: <span class="lg-highlight-title lg-highlight-class">Timestamp</span>(<span class="lg-highlight-number">1</span>, <span class="lg-highlight-number">1625767540</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">signature</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">hash</span>: <span class="lg-highlight-title lg-highlight-class">Binary</span>(<span class="lg-highlight-title lg-highlight-class">Buffer</span>.<span class="lg-highlight-title lg-highlight-function">from</span>(<span class="lg-highlight-string">"0000000000000000000000000000000000000000"</span>, <span class="lg-highlight-string">"hex"</span>)<!-- -->, <span class="lg-highlight-number">0</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">keyId</span>: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">operationTime</span>: <span class="lg-highlight-title lg-highlight-class">Timestamp</span>(<span class="lg-highlight-number">1</span>, <span class="lg-highlight-number">1625767540</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.adminCommand/#mongodb-method-db.adminCommand">
<code class="leafygreen-ui-1l06pbn">
db.adminCommand()
</code>
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/setAuditConfig/#mongodb-dbcommand-dbcmd.setAuditConfig">
<code class="leafygreen-ui-1l06pbn">
setAuditConfig
</code>
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/configure-audit-filters/#std-label-audit-filter">
configure audit filters
</a>
</p>
</div>
</div>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/read-concern-snapshot/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Read Concern
<code class="leafygreen-ui-1l06pbn">
"snapshot"
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#read-concern--snapshot-" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="read-concern--snapshot-">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#operations" target="_self">
<span>
Operations
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#read-concern-and-transactions" target="_self">
<span>
Read Concern and Transactions
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#read-concern-and-atclustertime" target="_self">
<span>
Read Concern and
<code class="css-1kekw28 e1wawog0">
atClusterTime
</code>
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#read-concern-on-capped-collections" target="_self">
<span>
Read Concern on Capped Collections
</span>
</a>
</li>
</ul>
</div>
<div>
<p>
<em>
Changed
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
A query with read concern
<code class="leafygreen-ui-1l06pbn">
"snapshot"
</code>
returns majority-committed data as it
appears across shards from a specific single point in time in the recent past.
Read concern
<code class="leafygreen-ui-1l06pbn">
"snapshot"
</code>
provides its guarantees only if the transaction
commits with write concern
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#mongodb-writeconcern-writeconcern.-majority-">
<code class="leafygreen-ui-1l06pbn">
"majority"
</code>
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
Read concern
<code class="leafygreen-ui-1l06pbn">
"snapshot"
</code>
is available for
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/">
multi-document
transactions
</a>
, and starting in MongoDB 5.0, certain
read operations outside of multi-document transactions.
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If the transaction is not part of a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/read-isolation-consistency-recency/#std-label-sessions">
causally consistent session
</a>
, upon transaction commit with write concern
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#mongodb-writeconcern-writeconcern.-majority-">
<code class="leafygreen-ui-1l06pbn">
"majority"
</code>
</a>
, the transaction operations are guaranteed
to have read from a snapshot of majority-committed data.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If the transaction is part of a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/read-isolation-consistency-recency/#std-label-sessions">
causally consistent session
</a>
, upon transaction commit with write concern
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#mongodb-writeconcern-writeconcern.-majority-">
<code class="leafygreen-ui-1l06pbn">
"majority"
</code>
</a>
, the transaction operations are guaranteed
to have read from a snapshot of majority-committed data that provides
causal consistency with the operation immediately preceding the
transaction start.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
Outside of multi-document transactions, read concern
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-readconcern-readconcern.-snapshot-" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
"snapshot"
</code>
</span>
</a>
is available on primaries and secondaries for
the following read operations:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/find/#mongodb-dbcommand-dbcmd.find">
<code class="leafygreen-ui-1l06pbn">
find
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/aggregate/#mongodb-dbcommand-dbcmd.aggregate">
<code class="leafygreen-ui-1l06pbn">
aggregate
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/distinct/#mongodb-dbcommand-dbcmd.distinct">
<code class="leafygreen-ui-1l06pbn">
distinct
</code>
</a>
(on unsharded collections)
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
All other read commands prohibit
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-readconcern-readconcern.-snapshot-" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
"snapshot"
</code>
.
</span>
</a>
</p>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Operations
<a class="headerlink leafygreen-ui-1kepx47" href="#operations" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="operations">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
For a list of all operations that accept read concerns, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern/#std-label-read-concern-operations">
Operations That Support Read Concern
<!-- -->
.
</a>
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Read Concern and Transactions
<a class="headerlink leafygreen-ui-1kepx47" href="#read-concern-and-transactions" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="read-concern-and-transactions">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Multi-document transactions support read concern
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-readconcern-readconcern.-snapshot-" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
"snapshot"
</code>
</span>
</a>
as well as
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern-local/#mongodb-readconcern-readconcern.-local-">
<code class="leafygreen-ui-1l06pbn">
"local"
</code>
</a>
, and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern-majority/#mongodb-readconcern-readconcern.-majority-">
<code class="leafygreen-ui-1l06pbn">
"majority"
</code>
.
</a>
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
You set the read concern at the transaction level, not at the
individual operation level. To set the read concern for
transactions, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-read-concern">
Transactions and Read Concern
<!-- -->
.
</a>
</p>
</div>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-atClusterTime">
</span>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Read Concern and
<code class="leafygreen-ui-1l06pbn">
atClusterTime
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#read-concern-and-atclustertime" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="read-concern-and-atclustertime">
</div>
</a>
</h2>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
Outside of multi-document transactions, reads with read concern
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-readconcern-readconcern.-snapshot-" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
"snapshot"
</code>
</span>
</a>
support the optional parameter
<code class="leafygreen-ui-1l06pbn">
atClusterTime
</code>
. The parameter
<code class="leafygreen-ui-1l06pbn">
atClusterTime
</code>
allows you to specify
the timestamp for the read. To satisfy a read request with a specified
<code class="leafygreen-ui-1l06pbn">
atClusterTime
</code>
of T, the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
performs the request
based on the data available at time T.
</p>
<p class="leafygreen-ui-1kp3ins">
You can obtain the
<code class="leafygreen-ui-1l06pbn">
operationTime
</code>
or
<code class="leafygreen-ui-1l06pbn">
clusterTime
</code>
of an operation
from the response of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.runCommand/#mongodb-method-db.runCommand">
<code class="leafygreen-ui-1l06pbn">
db.runCommand()
</code>
</a>
or from the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/Session/#mongodb-method-Session">
<code class="leafygreen-ui-1l06pbn">
Session()
</code>
</a>
object.
</p>
<p class="leafygreen-ui-1kp3ins">
The following command performs a find operation with read concern
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-readconcern-readconcern.-snapshot-" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
"snapshot"
</code>
</span>
</a>
and specifies that the operation should read
data from the snapshot at cluster time
<code class="leafygreen-ui-1l06pbn">
Timestamp(1613577600, 1)
</code>
.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.runCommand( {\n find: \"restaurants\",\n filter: { _id: 5 },\n readConcern: {\n level: \"snapshot\",\n atClusterTime: Timestamp(1613577600, 1)\n },\n} )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>( <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">find</span>: <span class="lg-highlight-string">"restaurants"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">filter</span>: <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">5</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">readConcern</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">level</span>: <span class="lg-highlight-string">"snapshot"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">atClusterTime</span>: <span class="lg-highlight-title lg-highlight-class">Timestamp</span>(<span class="lg-highlight-number">1613577600</span>, <span class="lg-highlight-number">1</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">} )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
If the parameter
<code class="leafygreen-ui-1l06pbn">
atClusterTime
</code>
is not supplied, the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
, or in single member replica sets the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
, selects the timestamp of the latest
majority-committed snapshot as the
<code class="leafygreen-ui-1l06pbn">
atClusterTime
</code>
and returns it to
the client.
</p>
<p class="leafygreen-ui-1kp3ins">
Outside of transactions,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-readconcern-readconcern.-snapshot-" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
"snapshot"
</code>
</span>
</a>
reads are
guaranteed to read from majority-committed data.
</p>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
<code class="leafygreen-ui-1l06pbn">
atClusterTime
</code>
Considerations and Behavior
<a class="headerlink leafygreen-ui-1kepx47" href="#atclustertime-considerations-and-behavior" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="atclustertime-considerations-and-behavior">
</div>
</a>
</h3>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The allowed values for
<code class="leafygreen-ui-1l06pbn">
atClusterTime
</code>
depend on the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.minSnapshotHistoryWindowInSeconds">
<code class="leafygreen-ui-1l06pbn">
minSnapshotHistoryWindowInSeconds
</code>
</a>
parameter.
<code class="leafygreen-ui-1l06pbn">
minSnapshotHistoryWindowInSeconds
</code>
is the minimum time window in
seconds for which the storage engine keeps the snapshot history. If
you specify an
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-atClusterTime" target="_self">
<span>
atClusterTime
</span>
</a>
value older than
the oldest snapshot retained according to
<code class="leafygreen-ui-1l06pbn">
minSnapshotHistoryWindowInSeconds
</code>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
returns
an error.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If you perform a read operation with
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-readconcern-readconcern.-snapshot-" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
"snapshot"
</code>
</span>
</a>
against a delayed replica set member, the returned majority-committed
data could be stale.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
It is not possible to specify
<code class="leafygreen-ui-1l06pbn">
atClusterTime
</code>
for
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-readconcern-readconcern.-snapshot-" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
"snapshot"
</code>
</span>
</a>
inside of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/read-isolation-consistency-recency/#std-label-sessions">
causally consistent
sessions
<!-- -->
.
</a>
</p>
</li>
</ul>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Read Concern on Capped Collections
<a class="headerlink leafygreen-ui-1kepx47" href="#read-concern-on-capped-collections" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="read-concern-on-capped-collections">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, you can use read concern
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-readconcern-readconcern.-snapshot-" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
"snapshot"
</code>
</span>
</a>
on
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/capped-collections/#std-label-manual-capped-collection">
capped
</a>
collections.
</p>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/operator/query-logical/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Logical Query Operators
<a class="headerlink leafygreen-ui-1kepx47" href="#logical-query-operators" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="logical-query-operators">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#compatibility" target="_self">
<span>
Compatibility
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#operators" target="_self">
<span>
Operators
</span>
</a>
</li>
</ul>
</div>
<p class="leafygreen-ui-1kp3ins">
Logical operators return data based on expressions that evaluate to
true or false.
</p>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Compatibility
<a class="headerlink leafygreen-ui-1kepx47" href="#compatibility" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="compatibility">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
You can use
<!-- -->
logical query operators
<!-- -->
for deployments hosted in the following
environments:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas?tck=docs_server" target="_self">
<span>
MongoDB Atlas
</span>
</a>
: The fully
managed service for MongoDB deployments in the cloud
</p>
</li>
</ul>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-enterprise/#std-label-install-mdb-enterprise">
MongoDB Enterprise
</a>
: The
subscription-based, self-managed version of MongoDB
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-community/#std-label-install-mdb-community-edition">
MongoDB Community
</a>
: The
source-available, free-to-use, and self-managed version of MongoDB
</p>
</li>
</ul>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Operators
<a class="headerlink leafygreen-ui-1kepx47" href="#operators" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="operators">
</div>
</a>
</h2>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
For details on a specific operator, including syntax and examples,
click on the link to the operator's reference page.
</p>
</div>
</div>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:30%"/>
<col style="width:70%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Name
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/query/and/#mongodb-query-op.-and">
<code class="leafygreen-ui-1l06pbn">
$and
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Joins query clauses with a logical
<code class="leafygreen-ui-1l06pbn">
AND
</code>
returns all documents that match the conditions of both clauses.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/query/not/#mongodb-query-op.-not">
<code class="leafygreen-ui-1l06pbn">
$not
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Inverts the effect of a query predicate and returns documents
that do
<em>
not
</em>
match the query predicate.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/query/nor/#mongodb-query-op.-nor">
<code class="leafygreen-ui-1l06pbn">
$nor
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Joins query clauses with a logical
<code class="leafygreen-ui-1l06pbn">
NOR
</code>
returns all documents that fail to match both clauses.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/query/or/#mongodb-query-op.-or">
<code class="leafygreen-ui-1l06pbn">
$or
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Joins query clauses with a logical
<code class="leafygreen-ui-1l06pbn">
OR
</code>
returns all documents that match the conditions of either clause.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</section>
</section>
|
https://www.mongodb.com/docs/manual/core/indexes/index-types/index-geospatial/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Geospatial Indexes
<a class="headerlink leafygreen-ui-1kepx47" href="#geospatial-indexes" title="Permalink to this heading">
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</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="geospatial-indexes">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#use-cases" target="_self">
<span>
Use Cases
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#get-started" target="_self">
<span>
Get Started
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#details" target="_self">
<span>
Details
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#sharded-collections" target="_self">
<span>
Sharded Collections
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#covered-queries" target="_self">
<span>
Covered Queries
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#spherical-queries" target="_self">
<span>
Spherical Queries
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#learn-more" target="_self">
<span>
Learn More
</span>
</a>
</li>
</ul>
</div>
<p class="leafygreen-ui-1kp3ins">
Geospatial indexes support queries on data stored as
<a class="leafygreen-ui-tqgtui" href="/docs/manual/geospatial-queries/#std-label-geospatial-geojson">
GeoJSON
</a>
objects or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/geospatial-queries/#std-label-geospatial-legacy">
legacy coordinate pairs
</a>
. You can use geospatial indexes to improve
performance for queries on geospatial data or to run certain
geospatial queries.
</p>
<p class="leafygreen-ui-1kp3ins">
MongoDB provides two types of geospatial indexes:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/indexes/index-types/geospatial/2dsphere/#std-label-2dsphere-index">
2dsphere Indexes
</a>
, which support queries that interpret
geometry on a sphere.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/indexes/index-types/geospatial/2d/#std-label-2d-index">
2d Indexes
</a>
, which support queries that interpret geometry
on a flat surface.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
To learn more about geospatial data and query operations,
see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/geospatial-queries/">
Geospatial Queries
<!-- -->
.
</a>
</p>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Use Cases
<a class="headerlink leafygreen-ui-1kepx47" href="#use-cases" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="use-cases">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
If your application frequently queries a field that contains
geospatial data, you can create a geospatial index to improve
performance for those queries.
</p>
<p class="leafygreen-ui-1kp3ins">
Certain query operations require a geospatial index.
If you want to query with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/query/near/#mongodb-query-op.-near">
<code class="leafygreen-ui-1l06pbn">
$near
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/query/nearSphere/#mongodb-query-op.-nearSphere">
<code class="leafygreen-ui-1l06pbn">
$nearSphere
</code>
</a>
operators or the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/geoNear/#mongodb-pipeline-pipe.-geoNear">
<code class="leafygreen-ui-1l06pbn">
$geoNear
</code>
</a>
aggregation stage, you must create
a geospatial index. For details, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/geospatial-queries/#std-label-geospatial-operators">
Geospatial Query Operators
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/geospatial-queries/#std-label-geospatial-aggregation">
Geospatial Aggregation Stage
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
For example, consider a
<code class="leafygreen-ui-1l06pbn">
subway
</code>
collection with documents containing
a
<code class="leafygreen-ui-1l06pbn">
location
</code>
field, which specifies the coordinates of subway stations
in a city. You often run queries with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/query/geoWithin/#mongodb-query-op.-geoWithin">
<code class="leafygreen-ui-1l06pbn">
$geoWithin
</code>
</a>
operator
to return a list of stations within a specific area. To improve
performance for this query, you can create a geospatial index
on the
<code class="leafygreen-ui-1l06pbn">
location
</code>
field. After creating the index, you can query
using the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/query/near/#mongodb-query-op.-near">
<code class="leafygreen-ui-1l06pbn">
$near
</code>
</a>
operator to return a list of nearby stations,
sorted from nearest to farthest.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Get Started
<a class="headerlink leafygreen-ui-1kepx47" href="#get-started" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="get-started">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
To create a geospatial index and run geospatial queries, see:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/indexes/index-types/geospatial/2dsphere/create/#std-label-2dsphere-index-create">
Create a 2dsphere Index
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/indexes/index-types/geospatial/2dsphere/query/#std-label-2dsphere-index-query">
Query a 2dsphere Index
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/indexes/index-types/geospatial/2d/create/#std-label-2d-index-create">
Create a 2d Index
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/indexes/index-types/geospatial/2d/query/#std-label-2d-index-query">
Query a 2d Index
</a>
</p>
</li>
</ul>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Details
<a class="headerlink leafygreen-ui-1kepx47" href="#details" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="details">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
This section describes details about geospatial indexes.
</p>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Sharded Collections
<a class="headerlink leafygreen-ui-1kepx47" href="#sharded-collections" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="sharded-collections">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
You can't use a geospatial index as a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-shard-key">
shard key
</a>
when sharding a
collection. However, you can create a geospatial index
on a sharded collection using a different field as the shard key.
</p>
<p class="leafygreen-ui-1kp3ins">
You can use geospatial
<a class="leafygreen-ui-tqgtui" href="/docs/manual/geospatial-queries/#std-label-geospatial-operators">
query operators
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/geospatial-queries/#std-label-geospatial-aggregation">
aggregation stages
</a>
to query for
geospatial data on sharded collections.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Covered Queries
<a class="headerlink leafygreen-ui-1kepx47" href="#covered-queries" title="Permalink to this heading">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="covered-queries">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Geospatial indexes can't
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/query-optimization/#std-label-covered-queries">
cover a query
<!-- -->
.
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Spherical Queries
<a class="headerlink leafygreen-ui-1kepx47" href="#spherical-queries" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="spherical-queries">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Using a
<code class="leafygreen-ui-1l06pbn">
2d
</code>
index for queries on spherical data
can return incorrect results or an error. For example,
<code class="leafygreen-ui-1l06pbn">
2d
</code>
indexes don't support spherical queries that wrap
around the poles.
</p>
<p class="leafygreen-ui-1kp3ins">
However, you can use the
<code class="leafygreen-ui-1l06pbn">
2dsphere
</code>
index for both spherical queries
<em>
and
</em>
two-dimensional queries. For two-dimensional queries, the
<code class="leafygreen-ui-1l06pbn">
2dsphere
</code>
index converts data stored as legacy coordinate pairs to
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/geojson/#std-label-geojson-point">
GeoJSON Point
</a>
type.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Learn More
<a class="headerlink leafygreen-ui-1kepx47" href="#learn-more" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="learn-more">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
For sample geospatial query operations, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/geospatial-queries/#std-label-geospatial-query-examples">
Geospatial Query Examples
<!-- -->
.
</a>
</p>
</section>
</section>
|
https://www.mongodb.com/docs/manual/core/indexes/index-types/geospatial/2d/create/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Create a 2d Index
<a class="headerlink leafygreen-ui-1kepx47" href="#create-a-2d-index" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="create-a-2d-index">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#about-this-task" target="_self">
<span>
About this Task
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#before-you-begin" target="_self">
<span>
Before You Begin
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#procedure" target="_self">
<span>
Procedure
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#next-steps" target="_self">
<span>
Next Steps
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#learn-more" target="_self">
<span>
Learn More
</span>
</a>
</li>
</ul>
</div>
<p class="leafygreen-ui-1kp3ins">
2d indexes support queries on location data in a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/geospatial-queries/#std-label-geospatial-geometry">
flat, Euclidean
plane
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
To create a 2d index, use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.createIndex/#mongodb-method-db.collection.createIndex">
<code class="leafygreen-ui-1l06pbn">
db.collection.createIndex()
</code>
</a>
method. The index type is
<code class="leafygreen-ui-1l06pbn">
"2d"
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.<collection>.createIndex( { <location> : \"2d\" } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<!-- --><<!-- -->collection<!-- -->><!-- -->.<span class="lg-highlight-title lg-highlight-function">createIndex</span>( <!-- -->{ <span class="lg-highlight-tag lg-highlight-xml"><</span><span class="lg-highlight-name lg-highlight-tag lg-highlight-xml">location</span><span class="lg-highlight-tag lg-highlight-xml"> </span><span class="lg-highlight-attr lg-highlight-tag lg-highlight-xml">field</span><span class="lg-highlight-tag lg-highlight-xml">></span><span class="lg-highlight-xml"> : "2d" } )</span></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
About this Task
<a class="headerlink leafygreen-ui-1kepx47" href="#about-this-task" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="about-this-task">
</div>
</a>
</h2>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The values in the
<code class="leafygreen-ui-1l06pbn">
<location field>
</code>
must be
<a class="leafygreen-ui-tqgtui" href="/docs/manual/geospatial-queries/#std-label-geospatial-legacy">
legacy coordinate
pairs
<!-- -->
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
When specifying legacy coordinate pairs, list the
<strong>
longitude
</strong>
first,
and then
<strong>
latitude
</strong>
.
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Valid longitude values are between
<code class="leafygreen-ui-1l06pbn">
-180
</code>
and
<code class="leafygreen-ui-1l06pbn">
180
</code>
, both
inclusive.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Valid latitude values are between
<code class="leafygreen-ui-1l06pbn">
-90
</code>
and
<code class="leafygreen-ui-1l06pbn">
90
</code>
, both
inclusive.
</p>
</li>
</ul>
</li>
</ul>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Before You Begin
<a class="headerlink leafygreen-ui-1kepx47" href="#before-you-begin" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="before-you-begin">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Create the
<code class="leafygreen-ui-1l06pbn">
contacts
</code>
collection:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.contacts.insertMany( [\n {\n name: \"Evander Otylia\",\n phone: \"202-555-0193\",\n address: [ 55.5, 42.3 ]\n },\n {\n name: \"Georgine Lestaw\",\n phone: \"714-555-0107\",\n address: [ -74, 44.74 ]\n }\n] )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">contacts</span>.<span class="lg-highlight-title lg-highlight-function">insertMany</span>( <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">"Evander Otylia"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">phone</span>: <span class="lg-highlight-string">"202-555-0193"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">address</span>: <!-- -->[ <span class="lg-highlight-number">55.5</span>, <span class="lg-highlight-number">42.3</span> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">"Georgine Lestaw"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">phone</span>: <span class="lg-highlight-string">"714-555-0107"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">address</span>: <!-- -->[ <!-- -->-<span class="lg-highlight-number">74</span>, <span class="lg-highlight-number">44.74</span> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">] )</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
address
</code>
field contains
<a class="leafygreen-ui-tqgtui" href="/docs/manual/geospatial-queries/#std-label-geospatial-legacy">
legacy coordinate pairs
<!-- -->
.
</a>
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Procedure
<a class="headerlink leafygreen-ui-1kepx47" href="#procedure" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="procedure">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Create a 2d index on the
<code class="leafygreen-ui-1l06pbn">
address
</code>
field:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.contacts.createIndex( { address : \"2d\" } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">contacts</span>.<span class="lg-highlight-title lg-highlight-function">createIndex</span>( <!-- -->{ <!-- -->address <!-- -->: <span class="lg-highlight-string">"2d"</span> } )</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Next Steps
<a class="headerlink leafygreen-ui-1kepx47" href="#next-steps" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="next-steps">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
After you create a 2d index, you can use your 2d index to support
calculations on location data. To see examples of queries that use 2d
indexes, see:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/indexes/index-types/geospatial/2d/query/proximity-flat-surface/#std-label-2d-index-proximity-query">
Query for Locations Near a Point on a Flat Surface
</a>
</p>
</li>
</ul>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Learn More
<a class="headerlink leafygreen-ui-1kepx47" href="#learn-more" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="learn-more">
</div>
</a>
</h2>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/indexes/index-types/geospatial/2d/create/define-location-precision/#std-label-2d-index-define-location-precision">
Define Location Precision for a 2d Index
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/indexes/index-types/geospatial/2d/create/define-location-range/#std-label-2d-index-define-location-range">
Define Location Range for a 2d Index
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/indexes/index-types/geospatial/restrictions/#std-label-geospatial-restrictions">
Geospatial Index Restrictions
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
To create an index that supports calculations on spherical surfaces,
see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/indexes/index-types/geospatial/2dsphere/#std-label-2dsphere-index">
2dsphere Indexes
<!-- -->
.
</a>
</p>
</li>
</ul>
</section>
</section>
|
https://www.mongodb.com/docs/manual/core/indexes/index-types/geospatial/2d/create/define-location-range/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Define Location Range for a 2d Index
<a class="headerlink leafygreen-ui-1kepx47" href="#define-location-range-for-a-2d-index" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="define-location-range-for-a-2d-index">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#about-this-task" target="_self">
<span>
About this Task
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#before-you-begin" target="_self">
<span>
Before You Begin
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#procedure" target="_self">
<span>
Procedure
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#results" target="_self">
<span>
Results
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#next-steps" target="_self">
<span>
Next Steps
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#learn-more" target="_self">
<span>
Learn More
</span>
</a>
</li>
</ul>
</div>
<p class="leafygreen-ui-1kp3ins">
You can define the range of coordinates included in a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/indexes/index-types/geospatial/2d/#std-label-2d-index">
2d index
</a>
. By default, 2d indexes have longitude and latitude
boundaries of:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Greater than or equal to
<code class="leafygreen-ui-1l06pbn">
-180
</code>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Less than
<code class="leafygreen-ui-1l06pbn">
180
</code>
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
To change the location range of a 2d index, specify the
<code class="leafygreen-ui-1l06pbn">
min
</code>
and
<code class="leafygreen-ui-1l06pbn">
max
</code>
options when you create the index:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.<collection>.createIndex(\n {\n <location>: \"2d\"\n },\n {\n min: <lower>,\n max: <upper>\n }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<!-- --><<!-- -->collection<!-- -->><!-- -->.<span class="lg-highlight-title lg-highlight-function">createIndex</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><location field>: "2d"</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> min: <lower bound>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> max: <upper bound></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
min
</code>
and
<code class="leafygreen-ui-1l06pbn">
max
</code>
bounds are
<strong>
inclusive
</strong>
and apply to both
longitude and latitude.
</p>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
About this Task
<a class="headerlink leafygreen-ui-1kepx47" href="#about-this-task" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="about-this-task">
</div>
</a>
</h2>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
The default location bounds for 2d indexes allow latitudes less than
-90 and greater than 90, which are invalid values. The behavior of
geospatial queries with these invalid points is not defined.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Defining a smaller location range for a 2d index reduces the amount of
data stored in the index, and can improve query performance.
</p>
<p class="leafygreen-ui-1kp3ins">
You cannot create a 2d index if your collection contains coordinate data
outside of the index's location range.
</p>
<p class="leafygreen-ui-1kp3ins">
After you create a 2d index, you cannot insert a document that contains
coordinate data outside of the index's location range.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Before You Begin
<a class="headerlink leafygreen-ui-1kepx47" href="#before-you-begin" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="before-you-begin">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Create the
<code class="leafygreen-ui-1l06pbn">
contacts
</code>
collection:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.contacts.insertMany( [\n {\n name: \"Evander Otylia\",\n phone: \"202-555-0193\",\n address: [ 55.5, 42.3 ]\n },\n {\n name: \"Georgine Lestaw\",\n phone: \"714-555-0107\",\n address: [ -74, 44.74 ]\n }\n] )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">contacts</span>.<span class="lg-highlight-title lg-highlight-function">insertMany</span>( <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">"Evander Otylia"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">phone</span>: <span class="lg-highlight-string">"202-555-0193"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">address</span>: <!-- -->[ <span class="lg-highlight-number">55.5</span>, <span class="lg-highlight-number">42.3</span> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">"Georgine Lestaw"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">phone</span>: <span class="lg-highlight-string">"714-555-0107"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">address</span>: <!-- -->[ <!-- -->-<span class="lg-highlight-number">74</span>, <span class="lg-highlight-number">44.74</span> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">] )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
address
</code>
field contains
<a class="leafygreen-ui-tqgtui" href="/docs/manual/geospatial-queries/#std-label-geospatial-legacy">
legacy coordinate pairs
<!-- -->
.
</a>
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Procedure
<a class="headerlink leafygreen-ui-1kepx47" href="#procedure" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="procedure">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Create a 2d index on the
<code class="leafygreen-ui-1l06pbn">
address
</code>
field. Specify the following
location bounds:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
min
</code>
bound of
<code class="leafygreen-ui-1l06pbn">
-75
</code>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
max
</code>
bound of
<code class="leafygreen-ui-1l06pbn">
60
</code>
</p>
</li>
</ul>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.contacts.createIndex(\n {\n address: \"2d\"\n },\n {\n min: -75,\n max: 60\n }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">contacts</span>.<span class="lg-highlight-title lg-highlight-function">createIndex</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">address</span>: <span class="lg-highlight-string">"2d"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">min</span>: <!-- -->-<span class="lg-highlight-number">75</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">max</span>: <span class="lg-highlight-number">60</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Results
<a class="headerlink leafygreen-ui-1kepx47" href="#results" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="results">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The index covers a smaller location range and has increased performance
than a default 2d index.
</p>
<p class="leafygreen-ui-1kp3ins">
After you create the index, you cannot insert a document that contains
coordinate data outside of the index's location range. For example, you
<strong>
cannot
</strong>
insert the following document:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.contacts.insertOne(\n {\n name: \"Paige Polson\",\n phone: \"402-555-0190\",\n address: [ 70, 42.3 ]\n }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">contacts</span>.<span class="lg-highlight-title lg-highlight-function">insertOne</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">"Paige Polson"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">phone</span>: <span class="lg-highlight-string">"402-555-0190"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">address</span>: <!-- -->[ <span class="lg-highlight-number">70</span>, <span class="lg-highlight-number">42.3</span> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
address
</code>
field has a longitude value of
<code class="leafygreen-ui-1l06pbn">
70
</code>
, which is higher
than the
<code class="leafygreen-ui-1l06pbn">
max
</code>
bound of
<code class="leafygreen-ui-1l06pbn">
60
</code>
.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Next Steps
<a class="headerlink leafygreen-ui-1kepx47" href="#next-steps" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="next-steps">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
You can use the 2d index to perform calculations on location data, such
as
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/indexes/index-types/geospatial/2d/query/proximity-flat-surface/#std-label-2d-index-proximity-query">
proximity queries
<!-- -->
.
</a>
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Learn More
<a class="headerlink leafygreen-ui-1kepx47" href="#learn-more" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="learn-more">
</div>
</a>
</h2>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/indexes/index-types/geospatial/2d/create/define-location-precision/#std-label-2d-index-define-location-precision">
Define Location Precision for a 2d Index
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/geospatial-queries/#std-label-geospatial-geometry">
Geospatial Models
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/geospatial-queries/#std-label-geospatial-legacy">
Legacy Coordinate Pairs
</a>
</p>
</li>
</ul>
</section>
</section>
|
https://www.mongodb.com/docs/manual/core/indexes/index-types/geospatial/2dsphere/create/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Create a 2dsphere Index
<a class="headerlink leafygreen-ui-1kepx47" href="#create-a-2dsphere-index" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="create-a-2dsphere-index">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#before-you-begin" target="_self">
<span>
Before You Begin
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#procedure" target="_self">
<span>
Procedure
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#next-steps" target="_self">
<span>
Next Steps
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#learn-more" target="_self">
<span>
Learn More
</span>
</a>
</li>
</ul>
</div>
<p class="leafygreen-ui-1kp3ins">
2dsphere indexes support geospatial queries on an earth-like sphere. For
example, 2dsphere indexes can:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Determine points within a specified area.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Calculate proximity to a specified point.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Return exact matches on coordinate queries.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
To create a 2dsphere index, use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.createIndex/#mongodb-method-db.collection.createIndex">
<code class="leafygreen-ui-1l06pbn">
db.collection.createIndex()
</code>
</a>
method and specify the string
<code class="leafygreen-ui-1l06pbn">
"2dsphere"
</code>
as the index type:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.<collection>.createIndex( { <location> : \"2dsphere\" } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<!-- --><<!-- -->collection<!-- -->><!-- -->.<span class="lg-highlight-title lg-highlight-function">createIndex</span>( <!-- -->{ <span class="lg-highlight-tag lg-highlight-xml"><</span><span class="lg-highlight-name lg-highlight-tag lg-highlight-xml">location</span><span class="lg-highlight-tag lg-highlight-xml"> </span><span class="lg-highlight-attr lg-highlight-tag lg-highlight-xml">field</span><span class="lg-highlight-tag lg-highlight-xml">></span><span class="lg-highlight-xml"> : "2dsphere" } )</span></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The values in the
<code class="leafygreen-ui-1l06pbn">
<location field>
</code>
must be either:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/geospatial-queries/#std-label-geospatial-geojson">
GeoJSON objects
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/geospatial-queries/#std-label-geospatial-legacy">
Legacy coordinate pairs
</a>
</p>
</li>
</ul>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Before You Begin
<a class="headerlink leafygreen-ui-1kepx47" href="#before-you-begin" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="before-you-begin">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Create a
<code class="leafygreen-ui-1l06pbn">
places
</code>
collection that contains these documents:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.places.insertMany( [\n {\n loc: { type: \"Point\", coordinates: [ -73.97, 40.77 ] },\n name: \"Central Park\",\n category : \"Park\"\n },\n {\n loc: { type: \"Point\", coordinates: [ -73.88, 40.78 ] },\n name: \"La Guardia Airport\",\n category: \"Airport\"\n },\n {\n loc: { type: \"Point\", coordinates: [ -1.83, 51.18 ] },\n name: \"Stonehenge\",\n category : \"Monument\"\n }\n] )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">places</span>.<span class="lg-highlight-title lg-highlight-function">insertMany</span>( <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">loc</span>: <!-- -->{ <span class="lg-highlight-attr">type</span>: <span class="lg-highlight-string">"Point"</span>, <span class="lg-highlight-attr">coordinates</span>: <!-- -->[ <!-- -->-<span class="lg-highlight-number">73.97</span>, <span class="lg-highlight-number">40.77</span> ] }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">"Central Park"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->category <!-- -->: <span class="lg-highlight-string">"Park"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">loc</span>: <!-- -->{ <span class="lg-highlight-attr">type</span>: <span class="lg-highlight-string">"Point"</span>, <span class="lg-highlight-attr">coordinates</span>: <!-- -->[ <!-- -->-<span class="lg-highlight-number">73.88</span>, <span class="lg-highlight-number">40.78</span> ] }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">"La Guardia Airport"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">category</span>: <span class="lg-highlight-string">"Airport"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">loc</span>: <!-- -->{ <span class="lg-highlight-attr">type</span>: <span class="lg-highlight-string">"Point"</span>, <span class="lg-highlight-attr">coordinates</span>: <!-- -->[ <!-- -->-<span class="lg-highlight-number">1.83</span>, <span class="lg-highlight-number">51.18</span> ] }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">"Stonehenge"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->category <!-- -->: <span class="lg-highlight-string">"Monument"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">] )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The values in the
<code class="leafygreen-ui-1l06pbn">
loc
</code>
field are
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/geojson/#std-label-geojson-point">
GeoJSON points
<!-- -->
.
</a>
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Procedure
<a class="headerlink leafygreen-ui-1kepx47" href="#procedure" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="procedure">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The following operation creates a 2dsphere index on the location field
<code class="leafygreen-ui-1l06pbn">
loc
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.places.createIndex( { loc : \"2dsphere\" } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">places</span>.<span class="lg-highlight-title lg-highlight-function">createIndex</span>( <!-- -->{ <!-- -->loc <!-- -->: <span class="lg-highlight-string">"2dsphere"</span> } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Next Steps
<a class="headerlink leafygreen-ui-1kepx47" href="#next-steps" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="next-steps">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
After you create a 2dsphere index, you can use the index for geospatial
queries. To learn more, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/indexes/index-types/geospatial/2dsphere/query/#std-label-2dsphere-index-query">
Query a 2dsphere Index
<!-- -->
.
</a>
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Learn More
<a class="headerlink leafygreen-ui-1kepx47" href="#learn-more" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="learn-more">
</div>
</a>
</h2>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/indexes/index-types/geospatial/2dsphere/#std-label-2dsphere-index">
2dsphere Indexes
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/geospatial-queries/#std-label-geospatial-queries">
Geospatial Queries
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/indexes/index-types/geospatial/restrictions/#std-label-geospatial-restrictions">
Geospatial Index Restrictions
</a>
</p>
</li>
</ul>
</section>
</section>
|
https://www.mongodb.com/docs/manual/core/indexes/index-types/geospatial/2dsphere/2dsphere-index-versions/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
2dsphere Index Versions
<a class="headerlink leafygreen-ui-1kepx47" href="#2dsphere-index-versions" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="2dsphere-index-versions">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#change-index-version" target="_self">
<span>
Change Index Version
</span>
</a>
</li>
</ul>
</div>
<p class="leafygreen-ui-1kp3ins">
2dsphere indexes are available in the following versions:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:25%"/>
<col style="width:75%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
2dsphere Index Version
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Version 3
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 3.2 introduces version 3 of 2dsphere indexes.
Version 3 is the default version for 2dsphere indexes created
in MongoDB 3.2 and later.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Version 2
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 2.6 introduces version 2 of 2dsphere indexes.
Version 2 is the default version for 2dsphere indexes created
in MongoDB 2.6 to 3.0.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Version 1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 2.4 introduces version 1 of 2dsphere indexes.
MongoDB 2.4 only supports version 1.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Change Index Version
<a class="headerlink leafygreen-ui-1kepx47" href="#change-index-version" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="change-index-version">
</div>
</a>
</h2>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Always use the default index version when possible. Only override the
default version if required for compatibility reasons.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
To override the default version and specify a different version for your
2dsphere index, set the
<code class="leafygreen-ui-1l06pbn">
2dsphereIndexVersion
</code>
option when you create
an index:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.<collection>.createIndex(\n { <field>: \"2dsphere\" },\n { \"2dsphereIndexVersion\": <version> }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<!-- --><<!-- -->collection<!-- -->><!-- -->.<span class="lg-highlight-title lg-highlight-function">createIndex</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <<!-- -->field<!-- -->><!-- -->: <span class="lg-highlight-string">"2dsphere"</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-string">"2dsphereIndexVersion"</span>: <<!-- -->version<!-- -->> <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Example
<a class="headerlink leafygreen-ui-1kepx47" href="#example" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="example">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The following command creates a version 2 2dsphere index on the
<code class="leafygreen-ui-1l06pbn">
address
</code>
field:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.test.createIndex(\n { \"address\": \"2dsphere\" },\n { \"2dsphereIndexVersion\": 2 }\n )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">test</span>.<span class="lg-highlight-title lg-highlight-function">createIndex</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-string">"address"</span>: <span class="lg-highlight-string">"2dsphere"</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-string">"2dsphereIndexVersion"</span>: <span class="lg-highlight-number">2</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
</section>
</section>
|
https://www.mongodb.com/docs/manual/tutorial/unique-constraints-on-arbitrary-fields/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Unique Constraints on Arbitrary Fields
<a class="headerlink leafygreen-ui-1kepx47" href="#unique-constraints-on-arbitrary-fields" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="unique-constraints-on-arbitrary-fields">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#considerations" target="_self">
<span>
Considerations
</span>
</a>
</li>
</ul>
</div>
<p class="leafygreen-ui-1kp3ins">
If you cannot use a unique field as the shard key or if you need to
enforce uniqueness over multiple fields, you must create another
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-collection">
collection
</a>
to act as a "proxy collection". This collection
must contain both a reference to the original document (i.e. its
<code class="leafygreen-ui-1l06pbn">
ObjectId
</code>
) and the unique key.
</p>
<p class="leafygreen-ui-1kp3ins">
Consider a collection
<code class="leafygreen-ui-1l06pbn">
records
</code>
that stores user information. The
field
<code class="leafygreen-ui-1l06pbn">
email
</code>
is not the shard key, but needs to be unique.
</p>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
proxy
</code>
collection then would contain the following:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n \"_id\" : ObjectId(\"...\")\n \"parent_id\" : \"<id>\"\n \"email\" : \"<string>\"\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">ObjectId</span>(<span class="lg-highlight-string">"..."</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"parent_id"</span> <!-- -->: <span class="lg-highlight-string">"<ID>"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"email"</span> <!-- -->: <span class="lg-highlight-string">"<string>"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Use the following command to create a unique index on the
<code class="leafygreen-ui-1l06pbn">
email
</code>
field:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.proxy.createIndex( { \"email\" : 1 }, { unique : true } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">proxy</span>.<span class="lg-highlight-title lg-highlight-function">createIndex</span>( <!-- -->{ <span class="lg-highlight-string">"email"</span> <!-- -->: <span class="lg-highlight-number">1</span> }<!-- -->, <!-- -->{ <!-- -->unique <!-- -->: <span class="lg-highlight-literal">true</span> } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The following example first attempts to insert a document containing the
target field and a generated Unique ID into the
<code class="leafygreen-ui-1l06pbn">
proxy
</code>
collection. If the
operation is successful, then it inserts the full document into the
<code class="leafygreen-ui-1l06pbn">
records
</code>
collection.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"records = db.getSiblingDB('records');\nproxy = db.getSiblingDB('proxy');\n\nvar primary_id = ObjectId();\n\nproxy.insertOne({\n \"_id\" : primary_id\n \"email\" : \"[email protected]\"\n})\n\n// if: the above operation returns successfully,\n// then continue:\n\nrecords.insertOne({\n \"_id\" : primary_id\n \"email\": \"[email protected]\"\n // additional information...\n})","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">records <!-- -->= <!-- -->db.<span class="lg-highlight-title lg-highlight-function">getSiblingDB</span>(<span class="lg-highlight-string">'records'</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">proxy <!-- -->= <!-- -->db.<span class="lg-highlight-title lg-highlight-function">getSiblingDB</span>(<span class="lg-highlight-string">'proxy'</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> primary_id <!-- -->= <span class="lg-highlight-title lg-highlight-class">ObjectId</span>(<!-- -->)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">proxy.<span class="lg-highlight-title lg-highlight-function">insertOne</span>(<!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <!-- -->primary_id</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"email"</span> <!-- -->: <span class="lg-highlight-string">"[email protected]"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">})</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> if: the above </span><span class="lg-highlight-comment">operation returns successfully,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// then continue:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">records.<span class="lg-highlight-title lg-highlight-function">insertOne</span>(<!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <!-- -->primary_id</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"email"</span>: <span class="lg-highlight-string">"[email protected]"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// additional information...</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">})</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Note that this methodology requires creating a unique ID for the
<code class="leafygreen-ui-1l06pbn">
primary_id
</code>
field rather than letting MongoDB automatically create
it on document insertion.
</p>
<p class="leafygreen-ui-1kp3ins">
If you need to enforce uniqueness on multiple fields, then
each field would require its own proxy collection.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
The full documentation of:
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.createIndex/#mongodb-method-db.collection.createIndex">
<code class="leafygreen-ui-1l06pbn">
createIndex()
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/shardCollection/#mongodb-dbcommand-dbcmd.shardCollection">
<code class="leafygreen-ui-1l06pbn">
shardCollection
</code>
.
</a>
</p>
</div>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Considerations
<a class="headerlink leafygreen-ui-1kepx47" href="#considerations" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="considerations">
</div>
</a>
</h2>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Your application must catch errors when inserting documents into the
"proxy" collection and must enforce consistency between the two
collections.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If the proxy collection requires sharding, you must shard on the
single field on which you want to enforce uniqueness.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
To enforce uniqueness on more than one field using sharded proxy
collections, you must have
<em>
one
</em>
proxy collection for
<em>
every
</em>
field
for which to enforce uniqueness. If you create multiple unique
indexes on a single proxy collection, you
<em>
cannot
</em>
be able to
shard proxy collections.
</p>
</li>
</ul>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/operator/aggregation/dateDiff/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
$dateDiff (aggregation)
<a class="headerlink leafygreen-ui-1kepx47" href="#-datediff--aggregation-" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="-datediff--aggregation-">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
<span>
Definition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#behavior" target="_self">
<span>
Behavior
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#examples" target="_self">
<span>
Examples
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Definition
<a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="definition">
</div>
</a>
</h2>
<dl class="expression">
<dt>
<code class="leafygreen-ui-1l06pbn">
$dateDiff
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-expression-exp.-dateDiff" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-expression-exp.-dateDiff">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
Returns the difference between two dates.
</p>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-expression-exp.-dateDiff" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$dateDiff
</code>
</span>
</a>
expression has this syntax:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n $dateDiff: {\n startDate: <expression>,\n endDate: <expression>,\n unit: <expression>,\n timezone: <tzexpression>,\n startOfWeek: <string>\n }\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$dateDiff</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">startDate</span>: <<span class="lg-highlight-title lg-highlight-class">Expression</span>><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">endDate</span>: <<span class="lg-highlight-title lg-highlight-class">Expression</span>><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">unit</span>: <<span class="lg-highlight-title lg-highlight-class">Expression</span>><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">timezone</span>: <<!-- -->tzExpression<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">startOfWeek</span>: <<span class="lg-highlight-title lg-highlight-class">String</span>></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Subtracts
<code class="leafygreen-ui-1l06pbn">
startDate
</code>
from
<code class="leafygreen-ui-1l06pbn">
endDate
</code>
. Returns an integer in the
specified
<code class="leafygreen-ui-1l06pbn">
unit
</code>
.
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:20%"/>
<col style="width:60%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Field
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Required/Optional
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
startDate
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Required
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The start of the time period. The
<code class="leafygreen-ui-1l06pbn">
startDate
</code>
can be any
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/#std-label-aggregation-expressions">
expression
</a>
that resolves to
a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/bson-types/#std-label-document-bson-type-date">
Date
</a>
, a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/bson-types/#std-label-document-bson-type-timestamp">
Timestamp
</a>
,
or an
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/bson-types/#std-label-document-bson-type-object-id">
ObjectID
<!-- -->
.
</a>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
endDate
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Required
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The end of the time period. The
<code class="leafygreen-ui-1l06pbn">
endDate
</code>
can be any
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/#std-label-aggregation-expressions">
expression
</a>
that resolves to
a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/bson-types/#std-label-document-bson-type-date">
Date
</a>
, a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/bson-types/#std-label-document-bson-type-timestamp">
Timestamp
</a>
,
or an
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/bson-types/#std-label-document-bson-type-object-id">
ObjectID
<!-- -->
.
</a>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
unit
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Required
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
The time measurement
<code class="leafygreen-ui-1l06pbn">
unit
</code>
between the
<code class="leafygreen-ui-1l06pbn">
startDate
</code>
and
<code class="leafygreen-ui-1l06pbn">
endDate
</code>
. It is an
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/#std-label-aggregation-expressions">
expression
</a>
that resolves to
a string:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
year
</code>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
quarter
</code>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
week
</code>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
month
</code>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
day
</code>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
hour
</code>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
minute
</code>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
second
</code>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
millisecond
</code>
</p>
</li>
</ul>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
timezone
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Optional
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
The timezone to carry out the operation.
<code class="leafygreen-ui-1l06pbn">
<tzExpression>
</code>
must be a
valid
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/#std-label-aggregation-expressions">
expression
</a>
that resolves to a
string formatted as either an
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://en.wikipedia.org/wiki/List_of_tz_database_time_zones" rel="noopener noreferrer">
<span>
Olson Timezone Identifier
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
or a
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://en.wikipedia.org/wiki/List_of_UTC_time_offsets" rel="noopener noreferrer">
<span>
UTC Offset
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
.
If no
<code class="leafygreen-ui-1l06pbn">
timezone
</code>
is provided, the result is displayed in
<code class="leafygreen-ui-1l06pbn">
UTC
</code>
.
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:30%"/>
<col style="width:70%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Format
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Examples
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Olson Timezone Identifier
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"\"America/New_York\"\n\"Europe/London\"\n\"GMT\"","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string">"America/New_York"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string">"Europe/London"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string">"GMT"</span></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
UTC Offset
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"+/-[hh]:[mm], e.g. \"+04:45\"\n+/-[hh][mm], e.g. \"-0530\"\n+/-[hh], e.g. \"+03\"","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">+<!-- -->/-<!-- -->[hh]:[mm], e.g. <span class="lg-highlight-string">"+04:45"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">+<!-- -->/-<!-- -->[hh][mm], e.g. <span class="lg-highlight-string">"-0530"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">+<!-- -->/-<!-- -->[hh], e.g. <span class="lg-highlight-string">"+03"</span></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
startOfWeek
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Optional
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Used when the unit is equal to
<code class="leafygreen-ui-1l06pbn">
week
</code>
. Defaults to
<code class="leafygreen-ui-1l06pbn">
Sunday
</code>
. The
<code class="leafygreen-ui-1l06pbn">
startOfWeek
</code>
parameter is an
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/#std-label-aggregation-expressions">
expression
</a>
that resolves
to a case insensitive string:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
monday
</code>
(or
<code class="leafygreen-ui-1l06pbn">
mon
</code>
)
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
tuesday
</code>
(or
<code class="leafygreen-ui-1l06pbn">
tue
</code>
)
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
wednesday
</code>
(or
<code class="leafygreen-ui-1l06pbn">
wed
</code>
)
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
thursday
</code>
(or
<code class="leafygreen-ui-1l06pbn">
thu
</code>
)
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
friday
</code>
(or
<code class="leafygreen-ui-1l06pbn">
fri
</code>
)
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
saturday
</code>
(or
<code class="leafygreen-ui-1l06pbn">
sat
</code>
)
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
sunday
</code>
(or
<code class="leafygreen-ui-1l06pbn">
sun
</code>
)
</p>
</li>
</ul>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</dd>
</dl>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/#std-label-aggregation-expressions">
Expression Operators
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/bson-types/#std-label-bson-types">
BSON Types
<!-- -->
.
</a>
</p>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Behavior
<a class="headerlink leafygreen-ui-1kepx47" href="#behavior" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="behavior">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
No Fractional Units
<a class="headerlink leafygreen-ui-1kepx47" href="#no-fractional-units" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="no-fractional-units">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
$dateDiff
</code>
expression returns the integer difference between the
<code class="leafygreen-ui-1l06pbn">
startDate
</code>
and
<code class="leafygreen-ui-1l06pbn">
endDate
</code>
measured in the specified
<code class="leafygreen-ui-1l06pbn">
units
</code>
.
Durations are measured by counting the number of times a unit boundary
is passed. For example, two dates that are 18 months apart would
return 1
<code class="leafygreen-ui-1l06pbn">
year
</code>
difference instead of 1.5
<code class="leafygreen-ui-1l06pbn">
years
</code>
.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Start Of Week
<a class="headerlink leafygreen-ui-1kepx47" href="#start-of-week" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="start-of-week">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The start of the
<code class="leafygreen-ui-1l06pbn">
week
</code>
is
<code class="leafygreen-ui-1l06pbn">
Sunday
</code>
unless modified by the
<code class="leafygreen-ui-1l06pbn">
startOfWeek
</code>
parameter. Any week that begins between the
<code class="leafygreen-ui-1l06pbn">
startDate
</code>
and
<code class="leafygreen-ui-1l06pbn">
endDate
</code>
on the specified day will be counted. The
week count is not bounded by calendar
<code class="leafygreen-ui-1l06pbn">
month
</code>
or calendar
<code class="leafygreen-ui-1l06pbn">
year
</code>
.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Time Zone
<a class="headerlink leafygreen-ui-1kepx47" href="#time-zone" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="time-zone">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
When using an Olson Timezone Identifier in the
<code class="leafygreen-ui-1l06pbn">
<timezone>
</code>
field, MongoDB applies the
<span class="leafygreen-ui-vm4wms" tabindex="0">
DST
</span>
offset
if applicable for the specified timezone.
</p>
<p class="leafygreen-ui-1kp3ins">
For example, consider a
<code class="leafygreen-ui-1l06pbn">
sales
</code>
collection with the following document:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n \"_id\" : 1,\n \"item\" : \"abc\",\n \"price\" : 20,\n \"quantity\" : 5,\n \"date\" : ISODate(\"2017-05-20T10:24:51.303Z\")\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"item"</span> <!-- -->: <span class="lg-highlight-string">"abc"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"price"</span> <!-- -->: <span class="lg-highlight-number">20</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"quantity"</span> <!-- -->: <span class="lg-highlight-number">5</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"date"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2017-05-20T10:24:51.303Z"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The following aggregation illustrates how MongoDB handles the DST
offset for the Olson Timezone Identifier. The example uses the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/hour/#mongodb-expression-exp.-hour">
<code class="leafygreen-ui-1l06pbn">
$hour
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/minute/#mongodb-expression-exp.-minute">
<code class="leafygreen-ui-1l06pbn">
$minute
</code>
</a>
operators to return the
corresponding portions of the
<code class="leafygreen-ui-1l06pbn">
date
</code>
field:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.sales.aggregate([\n{\n $project: {\n \"nycHour\": {\n $hour: { date: \"$date\", timezone: \"-05:00\" }\n },\n \"nycMinute\": {\n $minute: { date: \"$date\", timezone: \"-05:00\" }\n },\n \"gmtHour\": {\n $hour: { date: \"$date\", timezone: \"GMT\" }\n },\n \"gmtMinute\": {\n $minute: { date: \"$date\", timezone: \"GMT\" } },\n \"nycOlsonHour\": {\n $hour: { date: \"$date\", timezone: \"America/New_York\" }\n },\n \"nycOlsonMinute\": {\n $minute: { date: \"$date\", timezone: \"America/New_York\" }\n }\n }\n}])","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">sales</span>.<span class="lg-highlight-title lg-highlight-function">aggregate</span>(<!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$project</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"nycHour"</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$hour</span>: <!-- -->{ <span class="lg-highlight-attr">date</span>: <span class="lg-highlight-string">"$date"</span>, <span class="lg-highlight-attr">timezone</span>: <span class="lg-highlight-string">"-05:00"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"nycMinute"</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$minute</span>: <!-- -->{ <span class="lg-highlight-attr">date</span>: <span class="lg-highlight-string">"$date"</span>, <span class="lg-highlight-attr">timezone</span>: <span class="lg-highlight-string">"-05:00"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"gmtHour"</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$hour</span>: <!-- -->{ <span class="lg-highlight-attr">date</span>: <span class="lg-highlight-string">"$date"</span>, <span class="lg-highlight-attr">timezone</span>: <span class="lg-highlight-string">"GMT"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"gmtMinute"</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$minute</span>: <!-- -->{ <span class="lg-highlight-attr">date</span>: <span class="lg-highlight-string">"$date"</span>, <span class="lg-highlight-attr">timezone</span>: <span class="lg-highlight-string">"GMT"</span> } }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"nycOlsonHour"</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$hour</span>: <!-- -->{ <span class="lg-highlight-attr">date</span>: <span class="lg-highlight-string">"$date"</span>, <span class="lg-highlight-attr">timezone</span>: <span class="lg-highlight-string">"America/New_York"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"nycOlsonMinute"</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$minute</span>: <!-- -->{ <span class="lg-highlight-attr">date</span>: <span class="lg-highlight-string">"$date"</span>, <span class="lg-highlight-attr">timezone</span>: <span class="lg-highlight-string">"America/New_York"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}])</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The operation returns the following result:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n \"_id\": 1,\n \"nycHour\" : 5,\n \"nycMinute\" : 24,\n \"gmtHour\" : 10,\n \"gmtMinute\" : 24,\n \"nycOlsonHour\" : 6,\n \"nycOlsonMinute\" : 24\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span>: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"nycHour"</span> <!-- -->: <span class="lg-highlight-number">5</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"nycMinute"</span> <!-- -->: <span class="lg-highlight-number">24</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"gmtHour"</span> <!-- -->: <span class="lg-highlight-number">10</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"gmtMinute"</span> <!-- -->: <span class="lg-highlight-number">24</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"nycOlsonHour"</span> <!-- -->: <span class="lg-highlight-number">6</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"nycOlsonMinute"</span> <!-- -->: <span class="lg-highlight-number">24</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Additional Details
<a class="headerlink leafygreen-ui-1kepx47" href="#additional-details" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="additional-details">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The algorithm calculates the date difference using the Gregorian
calendar.
</p>
<p class="leafygreen-ui-1kp3ins">
Leap years and daylight savings time are accounted for but not leap
seconds.
</p>
<p class="leafygreen-ui-1kp3ins">
The difference returned can be negative.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Examples
<a class="headerlink leafygreen-ui-1kepx47" href="#examples" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="examples">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Elapsed Time
<a class="headerlink leafygreen-ui-1kepx47" href="#elapsed-time" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="elapsed-time">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Create a collection of customer orders:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.orders.insertMany(\n [\n {\n custId: 456,\n purchased: ISODate(\"2020-12-31\"),\n delivered: ISODate(\"2021-01-05\")\n },\n {\n custId: 457,\n purchased: ISODate(\"2021-02-28\"),\n delivered: ISODate(\"2021-03-07\")\n },\n {\n custId: 458,\n purchased: ISODate(\"2021-02-16\"),\n delivered: ISODate(\"2021-02-18\")\n }\n ]\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">orders</span>.<span class="lg-highlight-title lg-highlight-function">insertMany</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">custId</span>: <span class="lg-highlight-number">456</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">purchased</span>: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2020-12-31"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">delivered</span>: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2021-01-05"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">custId</span>: <span class="lg-highlight-number">457</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">purchased</span>: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2021-02-28"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">delivered</span>: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2021-03-07"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">custId</span>: <span class="lg-highlight-number">458</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">purchased</span>: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2021-02-16"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">delivered</span>: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2021-02-18"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The following example:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Returns the average number of days for a delivery.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Uses
<code class="leafygreen-ui-1l06pbn">
dateDiff
</code>
to calculate the difference between the
<code class="leafygreen-ui-1l06pbn">
purchased
</code>
date and the
<code class="leafygreen-ui-1l06pbn">
delivered
</code>
date.
</p>
</li>
</ul>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":" db.orders.aggregate(\n [\n {\n $group:\n {\n _id: null,\n averageTime:\n {\n $avg:\n {\n $dateDiff:\n {\n startDate: \"$purchased\",\n endDate: \"$delivered\",\n unit: \"day\"\n }\n }\n }\n }\n },\n {\n $project:\n {\n _id: 0,\n numDays:\n {\n $trunc:\n [ \"$averageTime\", 1 ]\n }\n }\n }\n ]\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"> db.<span class="lg-highlight-property">orders</span>.<span class="lg-highlight-title lg-highlight-function">aggregate</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$group</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-literal">null</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">averageTime</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$avg</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$dateDiff</span>:</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">startDate</span>: <span class="lg-highlight-string">"$purchased"</span>,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">endDate</span>: <span class="lg-highlight-string">"$delivered"</span>,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">unit</span>: <span class="lg-highlight-string">"day"</span></td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$project</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">0</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numDays</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$trunc</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->[ <span class="lg-highlight-string">"$averageTime"</span>, <span class="lg-highlight-number">1</span> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/avg/#mongodb-group-grp.-avg">
<code class="leafygreen-ui-1l06pbn">
$avg
</code>
</a>
accumulator in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/group/#mongodb-pipeline-pipe.-group">
<code class="leafygreen-ui-1l06pbn">
$group
</code>
</a>
stage uses
<code class="leafygreen-ui-1l06pbn">
$dateDiff
</code>
on each document to get the time between the
<code class="leafygreen-ui-1l06pbn">
purchased
</code>
and
<code class="leafygreen-ui-1l06pbn">
delivered
</code>
dates. The resulting value is returned
as
<code class="leafygreen-ui-1l06pbn">
averageTime
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
The decimal portion of the
<code class="leafygreen-ui-1l06pbn">
averageTime
</code>
is truncated
(
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/trunc/#mongodb-expression-exp.-trunc">
<code class="leafygreen-ui-1l06pbn">
$trunc
</code>
</a>
) in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/project/#mongodb-pipeline-pipe.-project">
<code class="leafygreen-ui-1l06pbn">
$project
</code>
</a>
stage to produce
output like this:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ \"numDays\" : 4.6 }","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1agdxuk" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"numDays"</span> <!-- -->: <span class="lg-highlight-number">4.6</span> }</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Result Precision
<a class="headerlink leafygreen-ui-1kepx47" href="#result-precision" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="result-precision">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Create this collection with starting and ending dates for a
subscription.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.subscriptions.insertMany(\n [\n {\n custId: 456,\n start: ISODate(\"2010-01-01\"),\n end: ISODate(\"2011-01-01\")\n },\n {\n custId: 457,\n start: ISODate(\"2010-01-01\"),\n end: ISODate(\"2011-06-31\")\n },\n {\n custId: 458,\n start: ISODate(\"2010-03-01\"),\n end: ISODate(\"2010-04-30\")\n }\n ]\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">subscriptions</span>.<span class="lg-highlight-title lg-highlight-function">insertMany</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">custId</span>: <span class="lg-highlight-number">456</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">start</span>: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2010-01-01"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">end</span>: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2011-01-01"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">custId</span>: <span class="lg-highlight-number">457</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">start</span>: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2010-01-01"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">end</span>: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2011-06-31"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">custId</span>: <span class="lg-highlight-number">458</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">start</span>: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2010-03-01"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">end</span>: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2010-04-30"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
$dateDiff
</code>
expression returns a time difference expressed in
integer
<code class="leafygreen-ui-1l06pbn">
units
</code>
. There are no fractional parts of a unit. For
example, when counting in
<code class="leafygreen-ui-1l06pbn">
years
</code>
there are no half years.
</p>
<p class="leafygreen-ui-1kp3ins">
In this example, note how changing the
<code class="leafygreen-ui-1l06pbn">
unit
</code>
changes the returned
precision:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.subscriptions.aggregate(\n [\n {\n $project:\n {\n Start: \"$start\",\n End: \"$end\",\n years:\n {\n $dateDiff:\n {\n startDate: \"$start\",\n endDate: \"$end\",\n unit: \"year\"\n }\n },\n months:\n {\n $dateDiff:\n {\n startDate: \"$start\",\n endDate: \"$end\",\n unit: \"month\"\n }\n },\n days:\n {\n $dateDiff:\n {\n startDate: \"$start\",\n endDate: \"$end\",\n unit: \"day\"\n }\n },\n _id: 0\n }\n }\n ]\n )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">subscriptions</span>.<span class="lg-highlight-title lg-highlight-function">aggregate</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$project</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Start</span>: <span class="lg-highlight-string">"$start"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">End</span>: <span class="lg-highlight-string">"$end"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">years</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$dateDiff</span>:</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">startDate</span>: <span class="lg-highlight-string">"$start"</span>,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">endDate</span>: <span class="lg-highlight-string">"$end"</span>,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">unit</span>: <span class="lg-highlight-string">"year"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">months</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$dateDiff</span>:</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">startDate</span>: <span class="lg-highlight-string">"$start"</span>,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">endDate</span>: <span class="lg-highlight-string">"$end"</span>,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">unit</span>: <span class="lg-highlight-string">"month"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">days</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$dateDiff</span>:</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">startDate</span>: <span class="lg-highlight-string">"$start"</span>,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">endDate</span>: <span class="lg-highlight-string">"$end"</span>,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">unit</span>: <span class="lg-highlight-string">"day"</span></td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">0</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The results are summarized in this table:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:23%"/>
<col style="width:23%"/>
<col style="width:18%"/>
<col style="width:18%"/>
<col style="width:18%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Start
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
End
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Years
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Months
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Days
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
2010-01-01
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
2011-01-01
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
12
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
365
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
2010-01-01
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
2011-07-01
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
18
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
546
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
2010-03-01
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
2010-04-30
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
0
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
60
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<p class="leafygreen-ui-1kp3ins">
The count only increments when a new
<code class="leafygreen-ui-1l06pbn">
unit
</code>
starts, so 18 months are
reported as 1 year in the second row and 60 days are reported as one
month in the third row.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Weeks Per Month
<a class="headerlink leafygreen-ui-1kepx47" href="#weeks-per-month" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="weeks-per-month">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Create a collection of months:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.months.insertMany(\n [\n {\n month: \"January\",\n start: ISODate(\"2021-01-01\"),\n end: ISODate(\"2021-01-31\")\n },\n {\n month: \"February\",\n start: ISODate(\"2021-02-01\"),\n end: ISODate(\"2021-02-28\")\n },\n {\n month: \"March\",\n start: ISODate(\"2021-03-01\"),\n end: ISODate(\"2021-03-31\")\n },\n ]\n )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">months</span>.<span class="lg-highlight-title lg-highlight-function">insertMany</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">month</span>: <span class="lg-highlight-string">"January"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">start</span>: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2021-01-01"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">end</span>: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2021-01-31"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">month</span>: <span class="lg-highlight-string">"February"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">start</span>: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2021-02-01"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">end</span>: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2021-02-28"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">month</span>: <span class="lg-highlight-string">"March"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">start</span>: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2021-03-01"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">end</span>: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2021-03-31"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
You can change the start of each week, and count the resulting number of
weeks in each month with the following code:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.months.aggregate(\n [\n {\n $project:\n {\n wks_default:\n {\n $dateDiff:\n {\n startDate: \"$start\",\n endDate: \"$end\",\n unit: \"week\"\n }\n },\n wks_monday:\n {\n $dateDiff:\n {\n startDate: \"$start\",\n endDate: \"$end\",\n unit: \"week\",\n startOfWeek: \"Monday\"\n }\n },\n wks_friday:\n {\n $dateDiff:\n {\n startDate: \"$start\",\n endDate: \"$end\",\n unit: \"week\",\n startOfWeek: \"fri\"\n }\n },\n _id: 0\n }\n }\n ]\n )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">months</span>.<span class="lg-highlight-title lg-highlight-function">aggregate</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$project</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">wks_default</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$dateDiff</span>:</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">startDate</span>: <span class="lg-highlight-string">"$start"</span>,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">endDate</span>: <span class="lg-highlight-string">"$end"</span>,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">unit</span>: <span class="lg-highlight-string">"week"</span></td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">wks_monday</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$dateDiff</span>:</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">startDate</span>: <span class="lg-highlight-string">"$start"</span>,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">endDate</span>: <span class="lg-highlight-string">"$end"</span>,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">unit</span>: <span class="lg-highlight-string">"week"</span>,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">startOfWeek</span>: <span class="lg-highlight-string">"Monday"</span></td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">wks_friday</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$dateDiff</span>:</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">startDate</span>: <span class="lg-highlight-string">"$start"</span>,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">endDate</span>: <span class="lg-highlight-string">"$end"</span>,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">unit</span>: <span class="lg-highlight-string">"week"</span>,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">startOfWeek</span>: <span class="lg-highlight-string">"fri"</span></td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">0</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The results are summarized in this table:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:40%"/>
<col style="width:20%"/>
<col style="width:20%"/>
<col style="width:20%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Month
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Sunday
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Monday
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Friday
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
January
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
5
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
4
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
4
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
February
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
4
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
3
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
4
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
March
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
4
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
4
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
4
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<p class="leafygreen-ui-1kp3ins">
From the results:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
When the
<code class="leafygreen-ui-1l06pbn">
startOfWeek
</code>
is Sunday, the 5th
<code class="leafygreen-ui-1l06pbn">
week
</code>
in January, 2021
begins on the 31st.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Because the 31st is a Sunday and it is between
<code class="leafygreen-ui-1l06pbn">
startDate
</code>
and
<code class="leafygreen-ui-1l06pbn">
endDate
</code>
, one
<code class="leafygreen-ui-1l06pbn">
week
</code>
is added to the count.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
week
</code>
count is incremented even when a calendar week finishes
after
<code class="leafygreen-ui-1l06pbn">
endDate
</code>
or in the next calendar period.
</p>
</li>
</ul>
</section>
</section>
</section>
|
https://www.mongodb.com/docs/manual/tutorial/manage-users-and-roles/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Manage Users and Roles on Self-Managed Deployments
<a class="headerlink leafygreen-ui-1kepx47" href="#manage-users-and-roles-on-self-managed-deployments" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="manage-users-and-roles-on-self-managed-deployments">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#prerequisites" target="_self">
<span>
Prerequisites
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#create-a-user-defined-role" target="_self">
<span>
Create a User-Defined Role
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#modify-access-for-an-existing-user" target="_self">
<span>
Modify Access for an Existing User
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#modify-the-password-for-an-existing-user" target="_self">
<span>
Modify the Password for an Existing User
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#view-a-user-s-roles" target="_self">
<span>
View a User's Roles
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#view-a-role-s-privileges" target="_self">
<span>
View a Role's Privileges
</span>
</a>
</li>
</ul>
</div>
<p class="leafygreen-ui-1kp3ins">
This tutorial provides examples for user and role management under
MongoDB's authorization model for self-managed deployments. To create
a new user, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/create-users/#std-label-create-users">
Create a User on Self-Managed Deployments
<!-- -->
.
</a>
</p>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Prerequisites
<a class="headerlink leafygreen-ui-1kepx47" href="#prerequisites" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="prerequisites">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
If you have
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/enable-authentication/#std-label-enable-access-control">
enabled access control
</a>
for your deployment, you must authenticate as a user with the required
privileges specified in each section. To perform the operations listed
in this tutorial, user administrators require the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/built-in-roles/#mongodb-authrole-userAdminAnyDatabase">
<code class="leafygreen-ui-1l06pbn">
userAdminAnyDatabase
</code>
</a>
role, or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/built-in-roles/#mongodb-authrole-userAdmin">
<code class="leafygreen-ui-1l06pbn">
userAdmin
</code>
</a>
role
in the specific databases. For details on adding a user administrator
as the first user, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/enable-authentication/#std-label-enable-access-control">
Enable Access Control on Self-Managed Deployments
</a>
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-create-user-defined-role">
</span>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Create a User-Defined Role
<a class="headerlink leafygreen-ui-1kepx47" href="#create-a-user-defined-role" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="create-a-user-defined-role">
</div>
</a>
</h2>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
To create user-defined roles in MongoDB Atlas, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/security-add-mongodb-roles/#std-label-add-mongodb-roles" target="_self">
<span>
Add Custom Roles
</span>
</a>
in the MongoDB Atlas documentation.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Roles grant users access to MongoDB resources. MongoDB provides a
number of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/built-in-roles/#std-label-built-in-roles">
built-in roles
</a>
that
administrators can use to control access to a MongoDB system. However,
if these roles cannot describe the desired set of privileges, you can
create new roles in a particular database.
</p>
<p class="leafygreen-ui-1kp3ins">
Except for roles created in the
<code class="leafygreen-ui-1l06pbn">
admin
</code>
database, a role can only
include privileges that apply to its database and can only inherit from
other roles in its database.
</p>
<p class="leafygreen-ui-1kp3ins">
A role created in the
<code class="leafygreen-ui-1l06pbn">
admin
</code>
database can include privileges that
apply to the
<code class="leafygreen-ui-1l06pbn">
admin
</code>
database, other databases or to the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/resource-document/#std-label-resource-cluster">
cluster
</a>
resource, and can inherit from roles
in other databases as well as the
<code class="leafygreen-ui-1l06pbn">
admin
</code>
database.
</p>
<p class="leafygreen-ui-1kp3ins">
To create a new role, use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.createRole/#mongodb-method-db.createRole">
<code class="leafygreen-ui-1l06pbn">
db.createRole()
</code>
</a>
method,
specifying the privileges in the
<code class="leafygreen-ui-1l06pbn">
privileges
</code>
array and the
inherited roles in the
<code class="leafygreen-ui-1l06pbn">
roles
</code>
array.
</p>
<p class="leafygreen-ui-1kp3ins">
MongoDB uses the combination of the database name and the role
name to uniquely define a role. Each role is scoped to the
database in which you create the role, but MongoDB stores all
role information in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/system-collections/#mongodb-data-admin.system.roles">
<code class="leafygreen-ui-1l06pbn">
admin.system.roles
</code>
</a>
collection in
the
<code class="leafygreen-ui-1l06pbn">
admin
</code>
database.
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-define-roles-prereq">
</span>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Prerequisites
<a class="headerlink leafygreen-ui-1kepx47" href="#prerequisites-1" title="Permalink to this heading">
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<div class="css-1btu0w3 evvkmar0" id="prerequisites-1">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To create a role in a database, you must have:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#mongodb-authaction-createRole">
<code class="leafygreen-ui-1l06pbn">
createRole
</code>
</a>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#std-label-security-user-actions">
action
</a>
on
that
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/resource-document/#std-label-resource-specific-db">
database resource
<!-- -->
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#mongodb-authaction-grantRole">
<code class="leafygreen-ui-1l06pbn">
grantRole
</code>
</a>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#std-label-security-user-actions">
action
</a>
on
that database to specify privileges for the new role as well as to
specify roles to inherit from.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
Built-in roles
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/built-in-roles/#mongodb-authrole-userAdmin">
<code class="leafygreen-ui-1l06pbn">
userAdmin
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/built-in-roles/#mongodb-authrole-userAdminAnyDatabase">
<code class="leafygreen-ui-1l06pbn">
userAdminAnyDatabase
</code>
</a>
provide
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#mongodb-authaction-createRole">
<code class="leafygreen-ui-1l06pbn">
createRole
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#mongodb-authaction-grantRole">
<code class="leafygreen-ui-1l06pbn">
grantRole
</code>
</a>
actions on their respective
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/resource-document/">
resources
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
To create a role with
<code class="leafygreen-ui-1l06pbn">
authenticationRestrictions
</code>
specified, you
must have the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#mongodb-authaction-setAuthenticationRestriction">
<code class="leafygreen-ui-1l06pbn">
setAuthenticationRestriction
</code>
</a>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#std-label-security-user-actions">
action
</a>
on the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/resource-document/#std-label-resource-specific-db">
database resource
</a>
which the role is
created.
</p>
<p class="leafygreen-ui-1kp3ins">
To add custom user-defined roles with
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
, see the
following examples:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-create-role-to-manage-ops" target="_self">
<span>
Create a Role to Manage Current Operations
<!-- -->
.
</span>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-create-role-for-mongostat" target="_self">
<span>
Create a Role to Run
<code class="leafygreen-ui-1l06pbn">
mongostat
</code>
.
</span>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-create-role-for-system-views" target="_self">
<span>
Create a Role to Drop
<code class="leafygreen-ui-1l06pbn">
system.views
</code>
Collection across Databases
<!-- -->
.
</span>
</a>
</p>
</li>
</ul>
<span class="leafygreen-ui-1qnjd6d" id="std-label-create-role-to-manage-ops">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Create a Role to Manage Current Operations
<a class="headerlink leafygreen-ui-1kepx47" href="#create-a-role-to-manage-current-operations" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="create-a-role-to-manage-current-operations">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The following example creates a role named
<code class="leafygreen-ui-1l06pbn">
manageOpRole
</code>
which
provides only the privileges to run both
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.currentOp/#mongodb-method-db.currentOp">
<code class="leafygreen-ui-1l06pbn">
db.currentOp()
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.killOp/#mongodb-method-db.killOp">
<code class="leafygreen-ui-1l06pbn">
db.killOp()
</code>
</a>
.
<a class="footnote-reference header-buffer" href="#footnote-built-in-roles1" id="ref-built-in-roles1-id1">
[
<!-- -->
1
<!-- -->
]
</a>
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Users do not need any specific privileges to view or kill their own
operations on
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instances. See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.currentOp/#mongodb-method-db.currentOp">
<code class="leafygreen-ui-1l06pbn">
db.currentOp()
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.killOp/#mongodb-method-db.killOp">
<code class="leafygreen-ui-1l06pbn">
db.killOp()
</code>
</a>
for details.
</p>
</div>
</div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"Connect to MongoDB with the appropriate privileges.Connect to mongod or mongos with the privileges\nspecified in the Prerequisites section.The following procedure uses the myUserAdmin created in\nEnable Access Control on Self-Managed Deployments.The myUserAdmin has privileges to create roles in the admin\nas well as other databases."},{"@type":"HowToStep","text":"Create a new role to manage current operations.manageOpRole has privileges that act on multiple databases as well\nas the cluster resource. As such, you must\ncreate the role in the admin database.The new role grants permissions to kill any operations.Terminate running operations with extreme caution. Only use\nthe db.killOp() method or killOp command to terminate operations initiated by clients\nand do not terminate internal database operations."}],"name":"Create a Role to Manage Current Operations","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
</script>
<div class="css-4nyere eccljxs0">
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<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Connect to MongoDB with the appropriate privileges.
<a class="headerlink leafygreen-ui-1kepx47" href="#connect-to-mongodb-with-the-appropriate-privileges" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
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</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Connect to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
with the privileges
specified in the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-define-roles-prereq" target="_self">
<span>
Prerequisites
</span>
</a>
section.
</p>
<p class="leafygreen-ui-1kp3ins">
The following procedure uses the
<code class="leafygreen-ui-1l06pbn">
myUserAdmin
</code>
created in
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/enable-authentication/">
Enable Access Control on Self-Managed Deployments
<!-- -->
.
</a>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongosh --port 27017 -u myUserAdmin -p 'abc123' --authenticationDatabase 'admin'\n","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongosh <!-- -->-<!-- -->-<!-- -->port <span class="lg-highlight-number">27017</span> <!-- -->-<!-- -->u myUserAdmin <!-- -->-<!-- -->p <span class="lg-highlight-string">'abc123'</span> <!-- -->-<!-- -->-<!-- -->authenticationDatabase <span class="lg-highlight-string">'admin'</span></td></tr></tbody></table></code></pre>
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</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
myUserAdmin
</code>
has privileges to create roles in the
<code class="leafygreen-ui-1l06pbn">
admin
</code>
as well as other databases.
</p>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Create a new role to manage current operations.
<a class="headerlink leafygreen-ui-1kepx47" href="#create-a-new-role-to-manage-current-operations" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="create-a-new-role-to-manage-current-operations">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
manageOpRole
</code>
has privileges that act on multiple databases as well
as the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/resource-document/#std-label-resource-cluster">
cluster resource
</a>
. As such, you must
create the role in the
<code class="leafygreen-ui-1l06pbn">
admin
</code>
database.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"use admin\ndb.createRole(\n {\n role: \"manageOpRole\", \n privileges: [\n { resource: { cluster: true }, actions: [ \"killop\", \"inprog\" ] },\n { resource: { db: \"\", collection: \"\" }, actions: [ \"killCursors\" ] }\n ],\n roles: []\n }\n)\n","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">use admin</td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">createRole</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">role</span>: <span class="lg-highlight-string">"manageOpRole"</span>, </td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">privileges</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">resource</span>: <!-- -->{ <span class="lg-highlight-attr">cluster</span>: <span class="lg-highlight-literal">true</span> }<!-- -->, <span class="lg-highlight-attr">actions</span>: <!-- -->[ <span class="lg-highlight-string">"killop"</span>, <span class="lg-highlight-string">"inprog"</span> ] }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">resource</span>: <!-- -->{ <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">""</span>, <span class="lg-highlight-attr">collection</span>: <span class="lg-highlight-string">""</span> }<!-- -->, <span class="lg-highlight-attr">actions</span>: <!-- -->[ <span class="lg-highlight-string">"killCursors"</span> ] }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">roles</span>: <!-- -->[<!-- -->]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The new role grants permissions to kill any operations.
</p>
<div class="leafygreen-ui-1sjx7ru" role="note">
<h2 class="leafygreen-ui-29m78u">
Warning
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Terminate running operations with extreme caution. Only use
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.killOp/#mongodb-method-db.killOp">
<code class="leafygreen-ui-1l06pbn">
db.killOp()
</code>
</a>
method or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/killOp/#mongodb-dbcommand-dbcmd.killOp">
<code class="leafygreen-ui-1l06pbn">
killOp
</code>
</a>
command to terminate operations initiated by clients
and
<em>
do not
</em>
terminate internal database operations.
</p>
</div>
</div>
</section>
</div>
</div>
</div>
<table class="header-buffer leafygreen-ui-rbqgrl" frame="void" id="footnote-built-in-roles1" rules="none">
<colgroup>
<col/>
</colgroup>
<tbody valign="top">
<tr>
<td class="leafygreen-ui-17r2xs0">
[
<a href="#ref-built-in-roles1-id1">
1
</a>
]
</td>
<td class="leafygreen-ui-17r2xs0">
<!-- -->
The built-in role
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/built-in-roles/#mongodb-authrole-clusterMonitor">
<code class="leafygreen-ui-1l06pbn">
clusterMonitor
</code>
</a>
also provides the
privilege to run
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.currentOp/#mongodb-method-db.currentOp">
<code class="leafygreen-ui-1l06pbn">
db.currentOp()
</code>
</a>
along with other
privileges, and the built-in role
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/built-in-roles/#mongodb-authrole-hostManager">
<code class="leafygreen-ui-1l06pbn">
hostManager
</code>
</a>
provides the privilege to run
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.killOp/#mongodb-method-db.killOp">
<code class="leafygreen-ui-1l06pbn">
db.killOp()
</code>
</a>
along with
other privileges.
</td>
</tr>
</tbody>
</table>
<span class="leafygreen-ui-1qnjd6d" id="std-label-create-role-for-mongostat">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Create a Role to Run
<code class="leafygreen-ui-1l06pbn">
mongostat
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#create-a-role-to-run-mongostat" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="create-a-role-to-run-mongostat">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The following example creates a role named
<code class="leafygreen-ui-1l06pbn">
mongostatRole
</code>
that
provides only the privileges to run
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/database-tools/mongostat/#mongodb-binary-bin.mongostat" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongostat
</code>
</span>
</a>
.
<a class="footnote-reference header-buffer" href="#footnote-built-in-roles2" id="ref-built-in-roles2-id2">
[
<!-- -->
2
<!-- -->
]
</a>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"Connect to MongoDB with the appropriate privileges.Connect to mongod or mongos with the privileges\nspecified in the Prerequisites section.The following procedure uses the myUserAdmin created in\nEnable Access Control on Self-Managed Deployments.The myUserAdmin has privileges to create roles in the admin\nas well as other databases."},{"@type":"HowToStep","text":"Create a new role to manage current operations.mongostatRole has privileges that act on the cluster\nresource. As such, you must create the role in\nthe admin database."}],"name":"Create a Role to Run mongostat","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
</script>
<div class="css-4nyere eccljxs0">
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Connect to MongoDB with the appropriate privileges.
<a class="headerlink leafygreen-ui-1kepx47" href="#connect-to-mongodb-with-the-appropriate-privileges-1" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="connect-to-mongodb-with-the-appropriate-privileges-1">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Connect to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
with the privileges
specified in the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-define-roles-prereq" target="_self">
<span>
Prerequisites
</span>
</a>
section.
</p>
<p class="leafygreen-ui-1kp3ins">
The following procedure uses the
<code class="leafygreen-ui-1l06pbn">
myUserAdmin
</code>
created in
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/enable-authentication/">
Enable Access Control on Self-Managed Deployments
<!-- -->
.
</a>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongosh --port 27017 -u myUserAdmin -p 'abc123' --authenticationDatabase 'admin'\n","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongosh <!-- -->-<!-- -->-<!-- -->port <span class="lg-highlight-number">27017</span> <!-- -->-<!-- -->u myUserAdmin <!-- -->-<!-- -->p <span class="lg-highlight-string">'abc123'</span> <!-- -->-<!-- -->-<!-- -->authenticationDatabase <span class="lg-highlight-string">'admin'</span></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
myUserAdmin
</code>
has privileges to create roles in the
<code class="leafygreen-ui-1l06pbn">
admin
</code>
as well as other databases.
</p>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Create a new role to manage current operations.
<a class="headerlink leafygreen-ui-1kepx47" href="#create-a-new-role-to-manage-current-operations-1" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="create-a-new-role-to-manage-current-operations-1">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
mongostatRole
</code>
has privileges that act on the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/resource-document/#std-label-resource-cluster">
cluster
resource
</a>
. As such, you must create the role in
the
<code class="leafygreen-ui-1l06pbn">
admin
</code>
database.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"use admin\ndb.createRole(\n {\n role: \"mongostatRole\", \n privileges: [\n { resource: { cluster: true }, actions: [ \"serverStatus\" ] }\n ],\n roles: []\n }\n)\n","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">use admin</td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">createRole</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">role</span>: <span class="lg-highlight-string">"mongostatRole"</span>, </td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">privileges</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">resource</span>: <!-- -->{ <span class="lg-highlight-attr">cluster</span>: <span class="lg-highlight-literal">true</span> }<!-- -->, <span class="lg-highlight-attr">actions</span>: <!-- -->[ <span class="lg-highlight-string">"serverStatus"</span> ] }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">roles</span>: <!-- -->[<!-- -->]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</div>
</section>
</div>
</div>
</div>
<table class="header-buffer leafygreen-ui-rbqgrl" frame="void" id="footnote-built-in-roles2" rules="none">
<colgroup>
<col/>
</colgroup>
<tbody valign="top">
<tr>
<td class="leafygreen-ui-17r2xs0">
[
<a href="#ref-built-in-roles2-id2">
2
</a>
]
</td>
<td class="leafygreen-ui-17r2xs0">
<!-- -->
The built-in role
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/built-in-roles/#mongodb-authrole-clusterMonitor">
<code class="leafygreen-ui-1l06pbn">
clusterMonitor
</code>
</a>
also provides the privilege to run
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/database-tools/mongostat/#mongodb-binary-bin.mongostat" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongostat
</code>
</span>
</a>
along with other
privileges.
</td>
</tr>
</tbody>
</table>
<span class="leafygreen-ui-1qnjd6d" id="std-label-create-role-for-system-views">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Create a Role to Drop
<code class="leafygreen-ui-1l06pbn">
system.views
</code>
Collection across Databases
<a class="headerlink leafygreen-ui-1kepx47" href="#create-a-role-to-drop-system.views-collection-across-databases" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="create-a-role-to-drop-system.views-collection-across-databases">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The following example creates a role named
<code class="leafygreen-ui-1l06pbn">
dropSystemViewsAnyDatabase
</code>
that provides the privileges to
drop the
<code class="leafygreen-ui-1l06pbn">
system.views
</code>
collection in any database.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"Connect to MongoDB with the appropriate privileges.Connect to mongod or mongos with the privileges\nspecified in the Prerequisites section.The following procedure uses the myUserAdmin created in\nEnable Access Control on Self-Managed Deployments.The myUserAdmin has privileges to create roles in the admin\nas well as other databases."},{"@type":"HowToStep","text":"Create a new role to drop the system.views collection in any database.For the role, specify a privilege that consists\nof:an actions array that contains the\ndropCollection action, anda resource document that\nspecifies an empty string (\"\") for the database and the string\n\"system.views\" for the collection. See\nSpecify Collections Across Databases as Resource for more information."}],"name":"Create a Role to Drop system.views Collection across Databases","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
</script>
<div class="css-4nyere eccljxs0">
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Connect to MongoDB with the appropriate privileges.
<a class="headerlink leafygreen-ui-1kepx47" href="#connect-to-mongodb-with-the-appropriate-privileges-2" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="connect-to-mongodb-with-the-appropriate-privileges-2">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Connect to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
with the privileges
specified in the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-define-roles-prereq" target="_self">
<span>
Prerequisites
</span>
</a>
section.
</p>
<p class="leafygreen-ui-1kp3ins">
The following procedure uses the
<code class="leafygreen-ui-1l06pbn">
myUserAdmin
</code>
created in
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/enable-authentication/">
Enable Access Control on Self-Managed Deployments
<!-- -->
.
</a>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongosh --port 27017 -u myUserAdmin -p 'abc123' --authenticationDatabase 'admin'\n","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongosh <!-- -->-<!-- -->-<!-- -->port <span class="lg-highlight-number">27017</span> <!-- -->-<!-- -->u myUserAdmin <!-- -->-<!-- -->p <span class="lg-highlight-string">'abc123'</span> <!-- -->-<!-- -->-<!-- -->authenticationDatabase <span class="lg-highlight-string">'admin'</span></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
myUserAdmin
</code>
has privileges to create roles in the
<code class="leafygreen-ui-1l06pbn">
admin
</code>
as well as other databases.
</p>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Create a new role to drop the
<code class="leafygreen-ui-1l06pbn">
system.views
</code>
collection in any database.
<a class="headerlink leafygreen-ui-1kepx47" href="#create-a-new-role-to-drop-the-system-views-collection-in-any-database" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="create-a-new-role-to-drop-the-system-views-collection-in-any-database">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
For the role, specify a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/authorization/#std-label-privileges">
privilege
</a>
that consists
of:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
an
<code class="leafygreen-ui-1l06pbn">
actions
</code>
array that contains the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#mongodb-authaction-dropCollection">
<code class="leafygreen-ui-1l06pbn">
dropCollection
</code>
</a>
action, and
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/resource-document/#std-label-resource-document">
resource document
</a>
that
specifies an empty string (
<code class="leafygreen-ui-1l06pbn">
""
</code>
) for the database and the string
<code class="leafygreen-ui-1l06pbn">
"system.views"
</code>
for the collection. See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/resource-document/#std-label-resource-specific-collection">
Specify Collections Across Databases as Resource
</a>
for more information.
</p>
</li>
</ul>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"use admin\ndb.createRole(\n {\n role: \"dropSystemViewsAnyDatabase\", \n privileges: [\n {\n actions: [ \"dropCollection\" ],\n resource: { db: \"\", collection: \"system.views\" }\n }\n ],\n roles: []\n }\n)\n","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">use admin</td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">createRole</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">role</span>: <span class="lg-highlight-string">"dropSystemViewsAnyDatabase"</span>, </td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">privileges</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">actions</span>: <!-- -->[ <span class="lg-highlight-string">"dropCollection"</span> ]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">resource</span>: <!-- -->{ <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">""</span>, <span class="lg-highlight-attr">collection</span>: <span class="lg-highlight-string">"system.views"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">roles</span>: <!-- -->[<!-- -->]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
</div>
</div>
</div>
</section>
<span class="leafygreen-ui-1qnjd6d" id="std-label-modify-existing-user-access">
</span>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Modify Access for an Existing User
<a class="headerlink leafygreen-ui-1kepx47" href="#modify-access-for-an-existing-user" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="modify-access-for-an-existing-user">
</div>
</a>
</h2>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
To modify an existing database user's roles in MongoDB Atlas,
see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/security-add-mongodb-users/#std-label-modify-mongodb-users" target="_self">
<span>
Modify Database Users
</span>
</a>
in the MongoDB Atlas documentation.
</p>
</div>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-assign-role-to-user-prereq">
</span>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Prerequisites
<a class="headerlink leafygreen-ui-1kepx47" href="#prerequisites-2" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="prerequisites-2">
</div>
</a>
</h3>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
You must have the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#mongodb-authaction-grantRole">
<code class="leafygreen-ui-1l06pbn">
grantRole
</code>
</a>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#std-label-security-user-actions">
action
</a>
on a database to grant a role on that database.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
You must have the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#mongodb-authaction-revokeRole">
<code class="leafygreen-ui-1l06pbn">
revokeRole
</code>
</a>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#std-label-security-user-actions">
action
</a>
on a database to revoke a role on that database.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
To view a role's information, you must be either explicitly granted the
role or must have the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#mongodb-authaction-viewRole">
<code class="leafygreen-ui-1l06pbn">
viewRole
</code>
</a>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#std-label-security-user-actions">
action
</a>
on the role's database.
</p>
</li>
</ul>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Procedure
<a class="headerlink leafygreen-ui-1kepx47" href="#procedure" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="procedure">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"Connect to MongoDB with the appropriate privileges.Connect to mongod or mongos as a user with\nthe privileges specified in the prerequisite section.The following procedure uses the myUserAdmin created in\nEnable Access Control on Self-Managed Deployments."},{"@type":"HowToStep","text":"Identify the user's roles and privileges.To display the roles and privileges of the user to be modified, use the\ndb.getUser() and db.getRole() methods.For example, to view roles for reportsUser created in\nAdditional Examples, issue:To display the privileges granted to the user by the\nreadWrite role on the \"accounts\" database, issue:"},{"@type":"HowToStep","text":"Identify the privileges to grant or revoke.If the user requires additional privileges, grant to the user the\nrole, or roles, with the required set of privileges. If such a role\ndoes not exist, create a new role\nwith the appropriate set of privileges.To revoke a subset of privileges provided by an existing role: revoke\nthe original role and grant a role that contains only the required\nprivileges. You may need to create a new role if a role does not exist."},{"@type":"HowToStep","text":"Modify the user's access.Revoke a RoleRevoke a role with the db.revokeRolesFromUser() method.\nThe following example operation removes the readWrite\nrole on the accounts database from the reportsUser:Grant a RoleGrant a role using the db.grantRolesToUser()\nmethod. For example, the following operation grants the\nreportsUser user the read role on the\naccounts database:For sharded clusters, the changes to the user are instant on the\nmongos on which the command runs. However, for other\nmongos instances in the cluster, the user cache may wait\nup to 10 minutes to refresh. See\nuserCacheInvalidationIntervalSecs."}],"name":"Procedure","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
</script>
<div class="css-4nyere eccljxs0">
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Connect to MongoDB with the appropriate privileges.
<a class="headerlink leafygreen-ui-1kepx47" href="#connect-to-mongodb-with-the-appropriate-privileges-3" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="connect-to-mongodb-with-the-appropriate-privileges-3">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Connect to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
as a user with
the privileges specified in the prerequisite section.
</p>
<p class="leafygreen-ui-1kp3ins">
The following procedure uses the
<code class="leafygreen-ui-1l06pbn">
myUserAdmin
</code>
created in
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/enable-authentication/">
Enable Access Control on Self-Managed Deployments
<!-- -->
.
</a>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongosh --port 27017 -u myUserAdmin -p 'abc123' --authenticationDatabase 'admin'\n","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongosh <!-- -->-<!-- -->-<!-- -->port <span class="lg-highlight-number">27017</span> <!-- -->-<!-- -->u myUserAdmin <!-- -->-<!-- -->p <span class="lg-highlight-string">'abc123'</span> <!-- -->-<!-- -->-<!-- -->authenticationDatabase <span class="lg-highlight-string">'admin'</span></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Identify the user's roles and privileges.
<a class="headerlink leafygreen-ui-1kepx47" href="#identify-the-user-s-roles-and-privileges" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="identify-the-user-s-roles-and-privileges">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
To display the roles and privileges of the user to be modified, use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.getUser/#mongodb-method-db.getUser">
<code class="leafygreen-ui-1l06pbn">
db.getUser()
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.getRole/#mongodb-method-db.getRole">
<code class="leafygreen-ui-1l06pbn">
db.getRole()
</code>
</a>
methods.
</p>
<p class="leafygreen-ui-1kp3ins">
For example, to view roles for
<code class="leafygreen-ui-1l06pbn">
reportsUser
</code>
created in
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/create-users/#std-label-add-new-user">
Additional Examples
</a>
, issue:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"use reporting\ndb.getUser(\"reportsUser\")\n","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">use reporting</td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">getUser</span>(<span class="lg-highlight-string">"reportsUser"</span>)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
To display the privileges granted to the user by the
<code class="leafygreen-ui-1l06pbn">
readWrite
</code>
role on the
<code class="leafygreen-ui-1l06pbn">
"accounts"
</code>
database, issue:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"use accounts\ndb.getRole( \"readWrite\", { showPrivileges: true } )\n","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">use accounts</td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">getRole</span>( <span class="lg-highlight-string">"readWrite"</span>, <!-- -->{ <span class="lg-highlight-attr">showPrivileges</span>: <span class="lg-highlight-literal">true</span> } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
3
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Identify the privileges to grant or revoke.
<a class="headerlink leafygreen-ui-1kepx47" href="#identify-the-privileges-to-grant-or-revoke" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="identify-the-privileges-to-grant-or-revoke">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
If the user requires additional privileges, grant to the user the
role, or roles, with the required set of privileges. If such a role
does not exist,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-create-user-defined-role" target="_self">
<span>
create a new role
</span>
</a>
with the appropriate set of privileges.
</p>
<p class="leafygreen-ui-1kp3ins">
To revoke a subset of privileges provided by an existing role: revoke
the original role and grant a role that contains only the required
privileges. You may need to
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-create-user-defined-role" target="_self">
<span>
create a new role
</span>
</a>
if a role does not exist.
</p>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
4
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Modify the user's access.
<a class="headerlink leafygreen-ui-1kepx47" href="#modify-the-user-s-access" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="modify-the-user-s-access">
</div>
</a>
</h4>
<section>
<h5 class="contains-headerlink leafygreen-ui-1vzlt5f">
Revoke a Role
<a class="headerlink leafygreen-ui-1kepx47" href="#revoke-a-role" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="revoke-a-role">
</div>
</a>
</h5>
<p class="leafygreen-ui-1kp3ins">
Revoke a role with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.revokeRolesFromUser/#mongodb-method-db.revokeRolesFromUser">
<code class="leafygreen-ui-1l06pbn">
db.revokeRolesFromUser()
</code>
</a>
method.
The following example operation removes the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/built-in-roles/#mongodb-authrole-readWrite">
<code class="leafygreen-ui-1l06pbn">
readWrite
</code>
</a>
role on the
<code class="leafygreen-ui-1l06pbn">
accounts
</code>
database from the
<code class="leafygreen-ui-1l06pbn">
reportsUser
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"use reporting\ndb.revokeRolesFromUser(\n \"reportsUser\",\n [\n { role: \"readWrite\", db: \"accounts\" }\n ]\n)\n","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">use reporting</td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">revokeRolesFromUser</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"reportsUser"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">role</span>: <span class="lg-highlight-string">"readWrite"</span>, <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">"accounts"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
<section>
<h5 class="contains-headerlink leafygreen-ui-1vzlt5f">
Grant a Role
<a class="headerlink leafygreen-ui-1kepx47" href="#grant-a-role" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="grant-a-role">
</div>
</a>
</h5>
<p class="leafygreen-ui-1kp3ins">
Grant a role using the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.grantRolesToUser/#mongodb-method-db.grantRolesToUser">
<code class="leafygreen-ui-1l06pbn">
db.grantRolesToUser()
</code>
</a>
method. For example, the following operation grants the
<code class="leafygreen-ui-1l06pbn">
reportsUser
</code>
user the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/built-in-roles/#mongodb-authrole-read">
<code class="leafygreen-ui-1l06pbn">
read
</code>
</a>
role on the
<code class="leafygreen-ui-1l06pbn">
accounts
</code>
database:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"use reporting\ndb.grantRolesToUser(\n \"reportsUser\",\n [\n { role: \"read\", db: \"accounts\" }\n ]\n)\n","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">use reporting</td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">grantRolesToUser</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"reportsUser"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">role</span>: <span class="lg-highlight-string">"read"</span>, <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">"accounts"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
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<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
<p class="leafygreen-ui-1kp3ins">
For sharded clusters, the changes to the user are instant on the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
on which the command runs. However, for other
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instances in the cluster, the user cache may wait
up to 10 minutes to refresh. See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.userCacheInvalidationIntervalSecs">
<code class="leafygreen-ui-1l06pbn">
userCacheInvalidationIntervalSecs
</code>
.
</a>
</p>
</section>
</div>
</div>
</div>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Modify the Password for an Existing User
<a class="headerlink leafygreen-ui-1kepx47" href="#modify-the-password-for-an-existing-user" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="modify-the-password-for-an-existing-user">
</div>
</a>
</h2>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
To modify an existing MongoDB Atlas user's password, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/security-add-mongodb-users/#std-label-modify-mongodb-users" target="_self">
<span>
Modify Database Users
</span>
</a>
in the MongoDB Atlas documentation.
</p>
</div>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-change-password-prereq">
</span>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Prerequisites
<a class="headerlink leafygreen-ui-1kepx47" href="#prerequisites-3" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="prerequisites-3">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To modify the password of another user on a database, you must have the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#mongodb-authaction-changePassword">
<code class="leafygreen-ui-1l06pbn">
changePassword
</code>
</a>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#std-label-security-user-actions">
action
</a>
on that database.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Procedure
<a class="headerlink leafygreen-ui-1kepx47" href="#procedure-1" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="procedure-1">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"Connect to MongoDB with the appropriate privileges.Connect to the mongod or mongos with the privileges\nspecified in the Prerequisites section.The following procedure uses the myUserAdmin created in\nEnable Access Control on Self-Managed Deployments."},{"@type":"HowToStep","text":"Change the password.Pass the user's username and the new password to the\ndb.changeUserPassword() method.The following operation changes the reporting user's password to\nSOh3TbYhxuLiW8ypJPxmt1oOfL:"}],"name":"Procedure","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
</script>
<div class="css-4nyere eccljxs0">
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Connect to MongoDB with the appropriate privileges.
<a class="headerlink leafygreen-ui-1kepx47" href="#connect-to-mongodb-with-the-appropriate-privileges-4" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="connect-to-mongodb-with-the-appropriate-privileges-4">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Connect to the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
with the privileges
specified in the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-change-password-prereq" target="_self">
<span>
Prerequisites
</span>
</a>
section.
</p>
<p class="leafygreen-ui-1kp3ins">
The following procedure uses the
<code class="leafygreen-ui-1l06pbn">
myUserAdmin
</code>
created in
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/enable-authentication/">
Enable Access Control on Self-Managed Deployments
<!-- -->
.
</a>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongosh --port 27017 -u myUserAdmin -p 'abc123' --authenticationDatabase 'admin'\n","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongosh <!-- -->-<!-- -->-<!-- -->port <span class="lg-highlight-number">27017</span> <!-- -->-<!-- -->u myUserAdmin <!-- -->-<!-- -->p <span class="lg-highlight-string">'abc123'</span> <!-- -->-<!-- -->-<!-- -->authenticationDatabase <span class="lg-highlight-string">'admin'</span></td></tr></tbody></table></code></pre>
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2
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</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Change the password.
<a class="headerlink leafygreen-ui-1kepx47" href="#change-the-password" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="change-the-password">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Pass the user's username and the new password to the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.changeUserPassword/#mongodb-method-db.changeUserPassword">
<code class="leafygreen-ui-1l06pbn">
db.changeUserPassword()
</code>
</a>
method.
</p>
<p class="leafygreen-ui-1kp3ins">
The following operation changes the
<code class="leafygreen-ui-1l06pbn">
reporting
</code>
user's password to
<code class="leafygreen-ui-1l06pbn">
SOh3TbYhxuLiW8ypJPxmt1oOfL
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.changeUserPassword(\"reporting\", \"SOh3TbYhxuLiW8ypJPxmt1oOfL\")\n","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">changeUserPassword</span>(<span class="lg-highlight-string">"reporting"</span>, <span class="lg-highlight-string">"SOh3TbYhxuLiW8ypJPxmt1oOfL"</span>)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
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</div>
</div>
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</div>
</section>
</div>
</div>
</div>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/change-own-password-and-custom-data/#std-label-change-password-custom-data">
Change Your Password and Custom Data on Self-Managed Deployments
</a>
</p>
</div>
</div>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
View a User's Roles
<a class="headerlink leafygreen-ui-1kepx47" href="#view-a-user-s-roles" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="view-a-user-s-roles">
</div>
</a>
</h2>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
To view a user's roles in MongoDB Atlas, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/security-add-mongodb-users/#std-label-view-mongodb-users" target="_self">
<span>
View Database Users and Certificates
</span>
</a>
in the MongoDB Atlas
documentation.
</p>
</div>
</div>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Prerequisites
<a class="headerlink leafygreen-ui-1kepx47" href="#prerequisites-4" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="prerequisites-4">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To view another user's information, you must have the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#mongodb-authaction-viewUser">
<code class="leafygreen-ui-1l06pbn">
viewUser
</code>
</a>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#std-label-security-user-actions">
action
</a>
on the
other user's database.
</p>
<p class="leafygreen-ui-1kp3ins">
Users can view their own information.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Procedure
<a class="headerlink leafygreen-ui-1kepx47" href="#procedure-2" title="Permalink to this heading">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="procedure-2">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"Connect to MongoDB with the appropriate privileges.Connect to mongod or mongos as a user with\nthe privileges specified in the prerequisite section.The following procedure uses the myUserAdmin created in\nEnable Access Control on Self-Managed Deployments."},{"@type":"HowToStep","text":"Identify the user's roles.Use the usersInfo command or db.getUser() method to\ndisplay user information.For example, to view roles for reportsUser created in\nAdditional Examples, issue:In the returned document, the roles\nfield displays all roles for reportsUser:"}],"name":"Procedure","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
</script>
<div class="css-4nyere eccljxs0">
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Connect to MongoDB with the appropriate privileges.
<a class="headerlink leafygreen-ui-1kepx47" href="#connect-to-mongodb-with-the-appropriate-privileges-5" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="connect-to-mongodb-with-the-appropriate-privileges-5">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Connect to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
as a user with
the privileges specified in the prerequisite section.
</p>
<p class="leafygreen-ui-1kp3ins">
The following procedure uses the
<code class="leafygreen-ui-1l06pbn">
myUserAdmin
</code>
created in
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/enable-authentication/">
Enable Access Control on Self-Managed Deployments
<!-- -->
.
</a>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongosh --port 27017 -u myUserAdmin -p 'abc123' --authenticationDatabase 'admin'\n","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongosh <!-- -->-<!-- -->-<!-- -->port <span class="lg-highlight-number">27017</span> <!-- -->-<!-- -->u myUserAdmin <!-- -->-<!-- -->p <span class="lg-highlight-string">'abc123'</span> <!-- -->-<!-- -->-<!-- -->authenticationDatabase <span class="lg-highlight-string">'admin'</span></td></tr></tbody></table></code></pre>
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</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Identify the user's roles.
<a class="headerlink leafygreen-ui-1kepx47" href="#identify-the-user-s-roles" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="identify-the-user-s-roles">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/usersInfo/#mongodb-dbcommand-dbcmd.usersInfo">
<code class="leafygreen-ui-1l06pbn">
usersInfo
</code>
</a>
command or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.getUser/#mongodb-method-db.getUser">
<code class="leafygreen-ui-1l06pbn">
db.getUser()
</code>
</a>
method to
display user information.
</p>
<p class="leafygreen-ui-1kp3ins">
For example, to view roles for
<code class="leafygreen-ui-1l06pbn">
reportsUser
</code>
created in
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/create-users/#std-label-add-new-user">
Additional Examples
</a>
, issue:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"use reporting\ndb.getUser(\"reportsUser\")\n","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">use reporting</td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">getUser</span>(<span class="lg-highlight-string">"reportsUser"</span>)</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
In the returned document, the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/system-users-collection/#mongodb-data-admin.system.users.roles">
<code class="leafygreen-ui-1l06pbn">
roles
</code>
</a>
field displays all roles for
<code class="leafygreen-ui-1l06pbn">
reportsUser
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"...\n\"roles\" : [\n { \"role\" : \"readWrite\", \"db\" : \"accounts\" },\n { \"role\" : \"read\", \"db\" : \"reporting\" },\n { \"role\" : \"read\", \"db\" : \"products\" },\n { \"role\" : \"read\", \"db\" : \"sales\" }\n]\n","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string">"roles"</span> <!-- -->: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-string">"role"</span> <!-- -->: <span class="lg-highlight-string">"readWrite"</span>, <span class="lg-highlight-string">"db"</span> <!-- -->: <span class="lg-highlight-string">"accounts"</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-string">"role"</span> <!-- -->: <span class="lg-highlight-string">"read"</span>, <span class="lg-highlight-string">"db"</span> <!-- -->: <span class="lg-highlight-string">"reporting"</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-string">"role"</span> <!-- -->: <span class="lg-highlight-string">"read"</span>, <span class="lg-highlight-string">"db"</span> <!-- -->: <span class="lg-highlight-string">"products"</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-string">"role"</span> <!-- -->: <span class="lg-highlight-string">"read"</span>, <span class="lg-highlight-string">"db"</span> <!-- -->: <span class="lg-highlight-string">"sales"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">]</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
</div>
</div>
</div>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
View a Role's Privileges
<a class="headerlink leafygreen-ui-1kepx47" href="#view-a-role-s-privileges" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="view-a-role-s-privileges">
</div>
</a>
</h2>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
To view a role's privileges in MongoDB Atlas, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/security-add-mongodb-roles/#std-label-view-mongodb-roles" target="_self">
<span>
View Custom Roles
</span>
</a>
in the MongoDB Atlas documentation.
</p>
</div>
</div>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Prerequisites
<a class="headerlink leafygreen-ui-1kepx47" href="#prerequisites-5" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="prerequisites-5">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To view a role's information, you must be either explicitly granted the
role or must have the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#mongodb-authaction-viewRole">
<code class="leafygreen-ui-1l06pbn">
viewRole
</code>
</a>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#std-label-security-user-actions">
action
</a>
on the role's database.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Procedure
<a class="headerlink leafygreen-ui-1kepx47" href="#procedure-3" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="procedure-3">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"Connect to MongoDB with the appropriate privileges.Connect to mongod or mongos as a user with\nthe privileges specified in the prerequisite section.The following procedure uses the myUserAdmin created in\nEnable Access Control on Self-Managed Deployments."},{"@type":"HowToStep","text":"Identify the privileges granted by a role.For a given role, use the db.getRole() method, or the\nrolesInfo command, with the showPrivileges option:For example, to view the privileges granted by read role on\nthe products database, use the following operation, issue:In the returned document, the privileges and\ninheritedPrivileges arrays. The\nprivileges lists the privileges directly\nspecified by the role and excludes those privileges inherited\nfrom other roles. The inheritedPrivileges\nlists all privileges granted by this role, both directly\nspecified and inherited. If the role does not inherit from other\nroles, the two fields are the same."}],"name":"Procedure","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
</script>
<div class="css-4nyere eccljxs0">
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Connect to MongoDB with the appropriate privileges.
<a class="headerlink leafygreen-ui-1kepx47" href="#connect-to-mongodb-with-the-appropriate-privileges-6" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="connect-to-mongodb-with-the-appropriate-privileges-6">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Connect to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
as a user with
the privileges specified in the prerequisite section.
</p>
<p class="leafygreen-ui-1kp3ins">
The following procedure uses the
<code class="leafygreen-ui-1l06pbn">
myUserAdmin
</code>
created in
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/enable-authentication/">
Enable Access Control on Self-Managed Deployments
<!-- -->
.
</a>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongosh --port 27017 -u myUserAdmin -p 'abc123' --authenticationDatabase 'admin'\n","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongosh <!-- -->-<!-- -->-<!-- -->port <span class="lg-highlight-number">27017</span> <!-- -->-<!-- -->u myUserAdmin <!-- -->-<!-- -->p <span class="lg-highlight-string">'abc123'</span> <!-- -->-<!-- -->-<!-- -->authenticationDatabase <span class="lg-highlight-string">'admin'</span></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Identify the privileges granted by a role.
<a class="headerlink leafygreen-ui-1kepx47" href="#identify-the-privileges-granted-by-a-role" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="identify-the-privileges-granted-by-a-role">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
For a given role, use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.getRole/#mongodb-method-db.getRole">
<code class="leafygreen-ui-1l06pbn">
db.getRole()
</code>
</a>
method, or the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/rolesInfo/#mongodb-dbcommand-dbcmd.rolesInfo">
<code class="leafygreen-ui-1l06pbn">
rolesInfo
</code>
</a>
command, with the
<code class="leafygreen-ui-1l06pbn">
showPrivileges
</code>
option:
</p>
<p class="leafygreen-ui-1kp3ins">
For example, to view the privileges granted by
<code class="leafygreen-ui-1l06pbn">
read
</code>
role on
the
<code class="leafygreen-ui-1l06pbn">
products
</code>
database, use the following operation, issue:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"use products\ndb.getRole( \"read\", { showPrivileges: true } )\n","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">use products</td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">getRole</span>( <span class="lg-highlight-string">"read"</span>, <!-- -->{ <span class="lg-highlight-attr">showPrivileges</span>: <span class="lg-highlight-literal">true</span> } )</td></tr></tbody></table></code></pre>
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<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
In the returned document, the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/rolesInfo/#mongodb-data-rolesInfo.privileges">
<code class="leafygreen-ui-1l06pbn">
privileges
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/rolesInfo/#mongodb-data-rolesInfo.inheritedPrivileges">
<code class="leafygreen-ui-1l06pbn">
inheritedPrivileges
</code>
</a>
arrays. The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/rolesInfo/#mongodb-data-rolesInfo.privileges">
<code class="leafygreen-ui-1l06pbn">
privileges
</code>
</a>
lists the privileges directly
specified by the role and excludes those privileges inherited
from other roles. The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/rolesInfo/#mongodb-data-rolesInfo.inheritedPrivileges">
<code class="leafygreen-ui-1l06pbn">
inheritedPrivileges
</code>
</a>
lists all privileges granted by this role, both directly
specified and inherited. If the role does not inherit from other
roles, the two fields are the same.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"...\n\"privileges\" : [\n {\n \"resource\": { \"db\" : \"products\", \"collection\" : \"\" },\n \"actions\": [ \"collStats\",\"dbHash\",\"dbStats\",\"find\",\"killCursors\",\"planCacheRead\" ]\n },\n {\n \"resource\" : { \"db\" : \"products\", \"collection\" : \"system.js\" },\n \"actions\": [ \"collStats\",\"dbHash\",\"dbStats\",\"find\",\"killCursors\",\"planCacheRead\" ]\n }\n],\n\"inheritedPrivileges\" : [\n {\n \"resource\": { \"db\" : \"products\", \"collection\" : \"\" },\n \"actions\": [ \"collStats\",\"dbHash\",\"dbStats\",\"find\",\"killCursors\",\"planCacheRead\" ]\n },\n {\n \"resource\" : { \"db\" : \"products\", \"collection\" : \"system.js\" },\n \"actions\": [ \"collStats\",\"dbHash\",\"dbStats\",\"find\",\"killCursors\",\"planCacheRead\" ]\n }\n]\n","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string">"privileges"</span> <!-- -->: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"resource"</span>: <!-- -->{ <span class="lg-highlight-string">"db"</span> <!-- -->: <span class="lg-highlight-string">"products"</span>, <span class="lg-highlight-string">"collection"</span> <!-- -->: <span class="lg-highlight-string">""</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"actions"</span>: <!-- -->[ <span class="lg-highlight-string">"collStats"</span>,<span class="lg-highlight-string">"dbHash"</span>,<span class="lg-highlight-string">"dbStats"</span>,<span class="lg-highlight-string">"find"</span>,<span class="lg-highlight-string">"killCursors"</span>,<span class="lg-highlight-string">"planCacheRead"</span> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"resource"</span> <!-- -->: <!-- -->{ <span class="lg-highlight-string">"db"</span> <!-- -->: <span class="lg-highlight-string">"products"</span>, <span class="lg-highlight-string">"collection"</span> <!-- -->: <span class="lg-highlight-string">"system.js"</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"actions"</span>: <!-- -->[ <span class="lg-highlight-string">"collStats"</span>,<span class="lg-highlight-string">"dbHash"</span>,<span class="lg-highlight-string">"dbStats"</span>,<span class="lg-highlight-string">"find"</span>,<span class="lg-highlight-string">"killCursors"</span>,<span class="lg-highlight-string">"planCacheRead"</span> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string">"inheritedPrivileges"</span> <!-- -->: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"resource"</span>: <!-- -->{ <span class="lg-highlight-string">"db"</span> <!-- -->: <span class="lg-highlight-string">"products"</span>, <span class="lg-highlight-string">"collection"</span> <!-- -->: <span class="lg-highlight-string">""</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"actions"</span>: <!-- -->[ <span class="lg-highlight-string">"collStats"</span>,<span class="lg-highlight-string">"dbHash"</span>,<span class="lg-highlight-string">"dbStats"</span>,<span class="lg-highlight-string">"find"</span>,<span class="lg-highlight-string">"killCursors"</span>,<span class="lg-highlight-string">"planCacheRead"</span> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"resource"</span> <!-- -->: <!-- -->{ <span class="lg-highlight-string">"db"</span> <!-- -->: <span class="lg-highlight-string">"products"</span>, <span class="lg-highlight-string">"collection"</span> <!-- -->: <span class="lg-highlight-string">"system.js"</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"actions"</span>: <!-- -->[ <span class="lg-highlight-string">"collStats"</span>,<span class="lg-highlight-string">"dbHash"</span>,<span class="lg-highlight-string">"dbStats"</span>,<span class="lg-highlight-string">"find"</span>,<span class="lg-highlight-string">"killCursors"</span>,<span class="lg-highlight-string">"planCacheRead"</span> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">]</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
</div>
</div>
</div>
</section>
</section>
</section>
|
https://www.mongodb.com/docs/manual/core/index-hidden/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Hidden Indexes
<a class="headerlink leafygreen-ui-1kepx47" href="#hidden-indexes" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="hidden-indexes">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#behavior" target="_self">
<span>
Behavior
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#restrictions" target="_self">
<span>
Restrictions
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#examples" target="_self">
<span>
Examples
</span>
</a>
</li>
</ul>
</div>
<p class="leafygreen-ui-1kp3ins">
Hidden indexes are not visible to the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/query-plans/">
query planner
</a>
and cannot be used to support a query.
</p>
<p class="leafygreen-ui-1kp3ins">
By hiding an index from the planner, you can evaluate the potential
impact of dropping an index without actually dropping the index. If the
impact is negative, you can unhide the index instead of having to
recreate a dropped index.
</p>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Behavior
<a class="headerlink leafygreen-ui-1kepx47" href="#behavior" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="behavior">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Apart from being hidden from the planner, hidden indexes behave like
unhidden indexes. For example:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If a hidden index is a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/index-unique/#std-label-index-type-unique">
unique index
</a>
, the
index still applies its unique constraint to the documents.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If a hidden index is a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/index-ttl/#std-label-index-feature-ttl">
TTL index
</a>
, the index
still expires documents.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Hidden indexes are included in
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/listIndexes/#mongodb-dbcommand-dbcmd.listIndexes">
<code class="leafygreen-ui-1l06pbn">
listIndexes
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.getIndexes/#mongodb-method-db.collection.getIndexes">
<code class="leafygreen-ui-1l06pbn">
db.collection.getIndexes()
</code>
</a>
results.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Hidden indexes are updated upon write operations to the collection
and continue to consume disk space and memory. As such, they are
included in various statistics operations, such as
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.stats/#mongodb-method-db.collection.stats">
<code class="leafygreen-ui-1l06pbn">
db.collection.stats()
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/indexStats/#mongodb-pipeline-pipe.-indexStats">
<code class="leafygreen-ui-1l06pbn">
$indexStats
</code>
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Hiding an unhidden index or unhiding a hidden index resets its
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/indexStats/#mongodb-pipeline-pipe.-indexStats">
<code class="leafygreen-ui-1l06pbn">
$indexStats
</code>
</a>
. Hiding an already hidden index or unhiding
an already unhidden index does not reset the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/indexStats/#mongodb-pipeline-pipe.-indexStats">
<code class="leafygreen-ui-1l06pbn">
$indexStats
</code>
.
</a>
</p>
</li>
</ul>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Restrictions
<a class="headerlink leafygreen-ui-1kepx47" href="#restrictions" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="restrictions">
</div>
</a>
</h2>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
To hide an index, you must have
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/setFeatureCompatibilityVersion/#std-label-view-fcv">
featureCompatibilityVersion
</a>
set to
<code class="leafygreen-ui-1l06pbn">
5.0
</code>
or greater.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
You cannot hide the
<code class="leafygreen-ui-1l06pbn">
_id
</code>
index.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
You cannot
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/cursor.hint/#mongodb-method-cursor.hint">
<code class="leafygreen-ui-1l06pbn">
cursor.hint()
</code>
</a>
a hidden index.
</p>
</li>
</ul>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Examples
<a class="headerlink leafygreen-ui-1kepx47" href="#examples" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="examples">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Create a Hidden Index
<a class="headerlink leafygreen-ui-1kepx47" href="#create-a-hidden-index" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="create-a-hidden-index">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To create a
<code class="leafygreen-ui-1l06pbn">
hidden
</code>
index, use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.createIndex/#mongodb-method-db.collection.createIndex">
<code class="leafygreen-ui-1l06pbn">
db.collection.createIndex()
</code>
</a>
method with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.createIndex/#std-label-method-createIndex-hidden">
hidden
</a>
option set to
<code class="leafygreen-ui-1l06pbn">
true
</code>
.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
To use the
<code class="leafygreen-ui-1l06pbn">
hidden
</code>
option with
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.createIndex/#mongodb-method-db.collection.createIndex">
<code class="leafygreen-ui-1l06pbn">
db.collection.createIndex()
</code>
</a>
, you must have
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/setFeatureCompatibilityVersion/#std-label-view-fcv">
featureCompatibilityVersion
</a>
set to
<code class="leafygreen-ui-1l06pbn">
5.0
</code>
or greater.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For example, the following operation creates a hidden ascending index
on the
<code class="leafygreen-ui-1l06pbn">
borough
</code>
field:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.addresses.createIndex(\n { borough: 1 },\n { hidden: true }\n);","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">addresses</span>.<span class="lg-highlight-title lg-highlight-function">createIndex</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">borough</span>: <span class="lg-highlight-number">1</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">hidden</span>: <span class="lg-highlight-literal">true</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)<!-- -->;</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
To verify, run
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.getIndexes/#mongodb-method-db.collection.getIndexes">
<code class="leafygreen-ui-1l06pbn">
db.collection.getIndexes()
</code>
</a>
on the
<code class="leafygreen-ui-1l06pbn">
addresses
</code>
collection:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.addresses.getIndexes()","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">addresses</span>.<span class="lg-highlight-title lg-highlight-function">getIndexes</span>(<!-- -->)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The operation returns the following information:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"[\n {\n \"v\" : 2,\n \"key\" : {\n \"_id\" : 1\n },\n \"name\" : \"_id_\"\n },\n {\n \"v\" : 2,\n \"key\" : {\n \"borough\" : 1\n },\n \"name\" : \"borough_1\",\n \"hidden\" : true\n }\n]","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"v"</span> <!-- -->: <span class="lg-highlight-number">2</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"key"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"name"</span> <!-- -->: <span class="lg-highlight-string">"_id_"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"v"</span> <!-- -->: <span class="lg-highlight-number">2</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"key"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"borough"</span> <!-- -->: <span class="lg-highlight-number">1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"name"</span> <!-- -->: <span class="lg-highlight-string">"borough_1"</span>,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"hidden"</span> <!-- -->: <span class="lg-highlight-literal">true</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">]</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The index option
<code class="leafygreen-ui-1l06pbn">
hidden
</code>
is only returned if the value is
<code class="leafygreen-ui-1l06pbn">
true
</code>
.
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-hide-existing-index">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Hide an Existing Index
<a class="headerlink leafygreen-ui-1kepx47" href="#hide-an-existing-index" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="hide-an-existing-index">
</div>
</a>
</h3>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
To hide an index, you must have
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/setFeatureCompatibilityVersion/#std-label-view-fcv">
featureCompatibilityVersion
</a>
set to
<code class="leafygreen-ui-1l06pbn">
5.0
</code>
or greater.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
You cannot hide the
<code class="leafygreen-ui-1l06pbn">
_id
</code>
index.
</p>
</li>
</ul>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
To hide an existing index, you can use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/collMod/#mongodb-dbcommand-dbcmd.collMod">
<code class="leafygreen-ui-1l06pbn">
collMod
</code>
</a>
command
or
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
helper
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.hideIndex/#mongodb-method-db.collection.hideIndex">
<code class="leafygreen-ui-1l06pbn">
db.collection.hideIndex()
</code>
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
For example, create an index without hiding:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.restaurants.createIndex( { borough: 1, ratings: 1 } );","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">restaurants</span>.<span class="lg-highlight-title lg-highlight-function">createIndex</span>( <!-- -->{ <span class="lg-highlight-attr">borough</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">ratings</span>: <span class="lg-highlight-number">1</span> } )<!-- -->;</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
To hide the index, you can specify either:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
the index key specification document to the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.hideIndex/#mongodb-method-db.collection.hideIndex">
<code class="leafygreen-ui-1l06pbn">
db.collection.hideIndex()
</code>
</a>
method:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.restaurants.hideIndex( { borough: 1, ratings: 1 } ); // Specify the index key specification document","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">restaurants</span>.<span class="lg-highlight-title lg-highlight-function">hideIndex</span>( <!-- -->{ <span class="lg-highlight-attr">borough</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">ratings</span>: <span class="lg-highlight-number">1</span> } )<!-- -->; <span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Specify the index </span><span class="lg-highlight-comment">key specification document</span></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
the index name to the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.hideIndex/#mongodb-method-db.collection.hideIndex">
<code class="leafygreen-ui-1l06pbn">
db.collection.hideIndex()
</code>
</a>
method:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.restaurants.hideIndex( \"borough_1_ratings_1\" ); // Specify the index name","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">restaurants</span>.<span class="lg-highlight-title lg-highlight-function">hideIndex</span>( <span class="lg-highlight-string">"borough_1_ratings_1"</span> )<!-- -->; <span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Specify the index </span><span class="lg-highlight-comment">name</span></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
To verify, run
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.getIndexes/#mongodb-method-db.collection.getIndexes">
<code class="leafygreen-ui-1l06pbn">
db.collection.getIndexes()
</code>
</a>
on the
<code class="leafygreen-ui-1l06pbn">
restaurants
</code>
collection:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.restaurants.getIndexes()","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">restaurants</span>.<span class="lg-highlight-title lg-highlight-function">getIndexes</span>(<!-- -->)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The operation returns the following information:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"[\n {\n \"v\" : 2,\n \"key\" : {\n \"_id\" : 1\n },\n \"name\" : \"_id_\"\n },\n {\n \"v\" : 2,\n \"key\" : {\n \"borough\" : 1,\n \"ratings\" : 1\n },\n \"name\" : \"borough_1_ratings_1\",\n \"hidden\" : true\n }\n]","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"v"</span> <!-- -->: <span class="lg-highlight-number">2</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"key"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"name"</span> <!-- -->: <span class="lg-highlight-string">"_id_"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"v"</span> <!-- -->: <span class="lg-highlight-number">2</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"key"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"borough"</span> <!-- -->: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"ratings"</span> <!-- -->: <span class="lg-highlight-number">1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"name"</span> <!-- -->: <span class="lg-highlight-string">"borough_1_ratings_1"</span>,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"hidden"</span> <!-- -->: <span class="lg-highlight-literal">true</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">]</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The index option
<code class="leafygreen-ui-1l06pbn">
hidden
</code>
is only returned if the value is
<code class="leafygreen-ui-1l06pbn">
true
</code>
.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Unhide an Existing Index
<a class="headerlink leafygreen-ui-1kepx47" href="#unhide-an-existing-index" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="unhide-an-existing-index">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To unhide a hidden index, you can use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/collMod/#mongodb-dbcommand-dbcmd.collMod">
<code class="leafygreen-ui-1l06pbn">
collMod
</code>
</a>
command
or
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
helper
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.unhideIndex/#mongodb-method-db.collection.unhideIndex">
<code class="leafygreen-ui-1l06pbn">
db.collection.unhideIndex()
</code>
</a>
. You can specify either:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
the index key specification document to the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.unhideIndex/#mongodb-method-db.collection.unhideIndex">
<code class="leafygreen-ui-1l06pbn">
db.collection.unhideIndex()
</code>
</a>
method:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.restaurants.unhideIndex( { borough: 1, city: 1 } ); // Specify the index key specification document","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">restaurants</span>.<span class="lg-highlight-title lg-highlight-function">unhideIndex</span>( <!-- -->{ <span class="lg-highlight-attr">borough</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">city</span>: <span class="lg-highlight-number">1</span> } )<!-- -->; <span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Specify the index </span><span class="lg-highlight-comment">key specification document</span></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
the index name to the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.unhideIndex/#mongodb-method-db.collection.unhideIndex">
<code class="leafygreen-ui-1l06pbn">
db.collection.unhideIndex()
</code>
</a>
method:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.restaurants.unhideIndex( \"borough_1_ratings_1\" ); // Specify the index name","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">restaurants</span>.<span class="lg-highlight-title lg-highlight-function">unhideIndex</span>( <span class="lg-highlight-string">"borough_1_ratings_1"</span> )<!-- -->; <span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Specify the index </span><span class="lg-highlight-comment">name</span></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
To verify, run
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.getIndexes/#mongodb-method-db.collection.getIndexes">
<code class="leafygreen-ui-1l06pbn">
db.collection.getIndexes()
</code>
</a>
on the
<code class="leafygreen-ui-1l06pbn">
restaurants
</code>
collection:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.restaurants.getIndexes()","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">restaurants</span>.<span class="lg-highlight-title lg-highlight-function">getIndexes</span>(<!-- -->)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The operation returns the following information:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"[\n {\n \"v\" : 2,\n \"key\" : {\n \"_id\" : 1\n },\n \"name\" : \"_id_\"\n },\n {\n \"v\" : 2,\n \"key\" : {\n \"borough\" : 1,\n \"ratings\" : 1\n },\n \"name\" : \"borough_1_ratings_1\"\n }\n]","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"v"</span> <!-- -->: <span class="lg-highlight-number">2</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"key"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"name"</span> <!-- -->: <span class="lg-highlight-string">"_id_"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"v"</span> <!-- -->: <span class="lg-highlight-number">2</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"key"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"borough"</span> <!-- -->: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"ratings"</span> <!-- -->: <span class="lg-highlight-number">1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"name"</span> <!-- -->: <span class="lg-highlight-string">"borough_1_ratings_1"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">]</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The index option
<code class="leafygreen-ui-1l06pbn">
hidden
</code>
no longer appears as part of the
<code class="leafygreen-ui-1l06pbn">
borough_1_ratings_1
</code>
index since the field is only returned if the
value is
<code class="leafygreen-ui-1l06pbn">
true
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
Because indexes are fully maintained while hidden, the index is
immediately available for use once unhidden.
</p>
</section>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/method/KeyVault.removeKeyAltName/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
KeyVault.removeKeyAltName()
<a class="headerlink leafygreen-ui-1kepx47" href="#keyvault.removekeyaltname--" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="keyvault.removekeyaltname--">
</div>
</a>
</h1>
<dl class="method">
<dt>
<code class="leafygreen-ui-1l06pbn">
KeyVault.removeKeyAltName(UUID, keyAltName)
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-method-KeyVault.removeKeyAltName" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-method-KeyVault.removeKeyAltName">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Removes the specified
<code class="leafygreen-ui-1l06pbn">
keyAltName
</code>
from the data encryption key
with the specified
<code class="leafygreen-ui-1l06pbn">
UUID
</code>
. The data encryption key must exist in
the key vault associated with the database connection.
</p>
<p class="leafygreen-ui-1kp3ins">
This method is an alias for
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/KeyVault.removeKeyAlternateName/#mongodb-method-KeyVault.removeKeyAlternateName">
<code class="leafygreen-ui-1l06pbn">
removeKeyAlternateName()
</code>
.
</a>
</p>
</dd>
</dl>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/KeyVault.removeKeyAlternateName/#mongodb-method-KeyVault.removeKeyAlternateName">
<code class="leafygreen-ui-1l06pbn">
removeKeyAlternateName()
</code>
.
</a>
</p>
</div>
</div>
</section>
|
https://www.mongodb.com/docs/manual/reference/program/mongod.exe/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
<code class="leafygreen-ui-1l06pbn">
mongod.exe
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongod.exe" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongod.exe">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#synopsis" target="_self">
<span>
Synopsis
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#options" target="_self">
<span>
Options
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Synopsis
<a class="headerlink leafygreen-ui-1kepx47" href="#synopsis" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="synopsis">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-binary-bin.mongod.exe" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongod.exe
</code>
</span>
</a>
is the build of the MongoDB daemon
(i.e.
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
) for the Windows
platform.
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-binary-bin.mongod.exe" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongod.exe
</code>
</span>
</a>
has all of the features of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
on Unix-like platforms and is completely compatible
with the other builds of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
. In addition,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-binary-bin.mongod.exe" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongod.exe
</code>
</span>
</a>
provides several options for interacting with
the Windows platform itself.
</p>
<p class="leafygreen-ui-1kp3ins">
This document
<em>
only
</em>
references options that are unique to
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-binary-bin.mongod.exe" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongod.exe
</code>
</span>
</a>
.
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-binary-bin.mongod.exe" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongod.exe
</code>
</span>
</a>
supports all
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
options
<em>
except
</em>
those with documented Windows
incompatibility. See the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
and the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/">
Self-Managed Configuration File Options
</a>
documents for more information
on
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
options not listed here.
</p>
<p class="leafygreen-ui-1kp3ins">
To install and use
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-binary-bin.mongod.exe" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongod.exe
</code>
</span>
</a>
, read the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/install-mongodb-on-windows/">
Install MongoDB Community Edition on Windows
</a>
document.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Options
<a class="headerlink leafygreen-ui-1kepx47" href="#options" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="options">
</div>
</a>
</h2>
<dl class="option">
<dt>
<code class="leafygreen-ui-1l06pbn">
--install
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#std-option-mongod.exe.--install" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="std-option-mongod.exe.--install">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Installs
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-program-mongod.exe" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongod.exe
</code>
</span>
</a>
as a Windows Service and exits.
</p>
<p class="leafygreen-ui-1kp3ins">
If needed, you can install services for multiple instances of
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-program-mongod.exe" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongod.exe
</code>
</span>
</a>
. Install each service with a unique
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-option-mongod.exe.--serviceName" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
--serviceName
</code>
</span>
</a>
and
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-option-mongod.exe.--serviceDisplayName" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
--serviceDisplayName
</code>
</span>
</a>
. Use multiple instances only when
sufficient system resources exist and your system design requires it.
</p>
</dd>
</dl>
<dl class="option">
<dt>
<code class="leafygreen-ui-1l06pbn">
--remove
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#std-option-mongod.exe.--remove" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="std-option-mongod.exe.--remove">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Removes the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-program-mongod.exe" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongod.exe
</code>
</span>
</a>
Windows Service. If
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-program-mongod.exe" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongod.exe
</code>
</span>
</a>
is
running, this operation will stop and then remove the service.
</p>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-option-mongod.exe.--remove" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
--remove
</code>
</span>
</a>
requires the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-option-mongod.exe.--serviceName" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
--serviceName
</code>
</span>
</a>
if you
configured a non-default
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-option-mongod.exe.--serviceName" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
--serviceName
</code>
</span>
</a>
during the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-option-mongod.exe.--install" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
--install
</code>
</span>
</a>
operation.
</p>
</dd>
</dl>
<dl class="option">
<dt>
<code class="leafygreen-ui-1l06pbn">
--reinstall
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#std-option-mongod.exe.--reinstall" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="std-option-mongod.exe.--reinstall">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Removes
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-program-mongod.exe" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongod.exe
</code>
</span>
</a>
and reinstalls
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-program-mongod.exe" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongod.exe
</code>
</span>
</a>
as a Windows Service.
</p>
</dd>
</dl>
<dl class="option">
<dt>
<code class="leafygreen-ui-1l06pbn">
--serviceName name
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#std-option-mongod.exe.--serviceName" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="std-option-mongod.exe.--serviceName">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<em>
Default
</em>
: MongoDB
</p>
<p class="leafygreen-ui-1kp3ins">
Sets the service name of
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-program-mongod.exe" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongod.exe
</code>
</span>
</a>
when running as a
Windows Service. Use this name with the
<code class="leafygreen-ui-1l06pbn">
net start <name>
</code>
and
<code class="leafygreen-ui-1l06pbn">
net stop <name>
</code>
operations.
</p>
<p class="leafygreen-ui-1kp3ins">
You must use
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-option-mongod.exe.--serviceName" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
--serviceName
</code>
</span>
</a>
in conjunction with either
the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-option-mongod.exe.--install" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
--install
</code>
</span>
</a>
or
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-option-mongod.exe.--remove" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
--remove
</code>
</span>
</a>
option.
</p>
</dd>
</dl>
<dl class="option">
<dt>
<code class="leafygreen-ui-1l06pbn">
--serviceDisplayName <name>
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#std-option-mongod.exe.--serviceDisplayName" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="std-option-mongod.exe.--serviceDisplayName">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<em>
Default
</em>
: MongoDB
</p>
<p class="leafygreen-ui-1kp3ins">
Sets the name listed for MongoDB on the Services administrative
application.
</p>
</dd>
</dl>
<dl class="option">
<dt>
<code class="leafygreen-ui-1l06pbn">
--serviceDescription <description>
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#std-option-mongod.exe.--serviceDescription" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="std-option-mongod.exe.--serviceDescription">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<em>
Default
</em>
: MongoDB Server
</p>
<p class="leafygreen-ui-1kp3ins">
Sets the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-program-mongod.exe" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongod.exe
</code>
</span>
</a>
service description.
</p>
<p class="leafygreen-ui-1kp3ins">
You must use
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-option-mongod.exe.--serviceDescription" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
--serviceDescription
</code>
</span>
</a>
in conjunction with the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-option-mongod.exe.--install" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
--install
</code>
</span>
</a>
option.
</p>
<p class="leafygreen-ui-1kp3ins">
For descriptions that contain spaces, you must enclose the
description in quotes.
</p>
</dd>
</dl>
<dl class="option">
<dt>
<code class="leafygreen-ui-1l06pbn">
--serviceUser <user>
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#std-option-mongod.exe.--serviceUser" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="std-option-mongod.exe.--serviceUser">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Runs the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-program-mongod.exe" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongod.exe
</code>
</span>
</a>
service in the context of a certain user. This
user must have "Log on as a service" privileges.
</p>
<p class="leafygreen-ui-1kp3ins">
You must use
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-option-mongod.exe.--serviceUser" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
--serviceUser
</code>
</span>
</a>
in conjunction with the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-option-mongod.exe.--install" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
--install
</code>
</span>
</a>
option.
</p>
</dd>
</dl>
<dl class="option">
<dt>
<code class="leafygreen-ui-1l06pbn">
--servicePassword <password>
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#std-option-mongod.exe.--servicePassword" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="std-option-mongod.exe.--servicePassword">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Sets the password for
<code class="leafygreen-ui-1l06pbn">
<user>
</code>
for
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-program-mongod.exe" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongod.exe
</code>
</span>
</a>
when running with
the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-option-mongod.exe.--serviceUser" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
--serviceUser
</code>
</span>
</a>
option.
</p>
<p class="leafygreen-ui-1kp3ins">
You must use
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-option-mongod.exe.--servicePassword" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
--servicePassword
</code>
</span>
</a>
in conjunction with the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-option-mongod.exe.--install" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
--install
</code>
</span>
</a>
option.
</p>
</dd>
</dl>
</section>
</section>
|
https://www.mongodb.com/docs/manual/core/self-managed-security/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Self-Managed Security
<a class="headerlink leafygreen-ui-1kepx47" href="#self-managed-security" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="self-managed-security">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#security-checklist" target="_self">
<span>
Security Checklist
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Security Checklist
<a class="headerlink leafygreen-ui-1kepx47" href="#security-checklist" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="security-checklist">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
MongoDB also provides the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/security-checklist/">
Security Checklist for Self-Managed Deployments
</a>
for
a list of recommended actions to protect a MongoDB deployment.
</p>
</section>
</section>
|
https://www.mongodb.com/docs/manual/tutorial/install-mongodb-on-suse-tarball/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Install MongoDB Community on SUSE using .tgz Tarball
<a class="headerlink leafygreen-ui-1kepx47" href="#install-mongodb-community-on-suse-using-.tgz-tarball" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="install-mongodb-community-on-suse-using-.tgz-tarball">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#overview" target="_self">
<span>
Overview
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#considerations" target="_self">
<span>
Considerations
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#install-mongodb-community-edition" target="_self">
<span>
Install MongoDB Community Edition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#run-mongodb-community-edition" target="_self">
<span>
Run MongoDB Community Edition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#additional-information" target="_self">
<span>
Additional Information
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Overview
<a class="headerlink leafygreen-ui-1kepx47" href="#overview" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="overview">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Use this tutorial to manually install MongoDB 8.0
<!-- -->
Community
<!-- -->
Edition on SUSE Linux Enterprise Server (SLES) using a downloaded
<code class="leafygreen-ui-1l06pbn">
.tgz
</code>
tarball.
</p>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
MongoDB Version
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-version" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-version">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
This tutorial installs MongoDB 8.0
<!-- -->
Community
<!-- -->
Edition. To install a different version of MongoDB
<!-- -->
Community
<!-- -->
,
use the version drop-down menu in the upper-left corner of this page to
select the documentation for that version.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Installation Method
<a class="headerlink leafygreen-ui-1kepx47" href="#installation-method" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="installation-method">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
While MongoDB can be installed manually via a downloaded
<code class="leafygreen-ui-1l06pbn">
.tgz
</code>
tarball as described in this document, it is recommended to use the
<code class="leafygreen-ui-1l06pbn">
zypper
</code>
package manager on your system to install MongoDB if
possible. Using a package manager automatically installs all needed
dependencies, provides an example
<code class="leafygreen-ui-1l06pbn">
mongod.conf
</code>
file to get you
started, and simplifies future upgrade and maintenance tasks.
</p>
<p class="leafygreen-ui-1kp3ins">
➤
<!-- -->
See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/install-mongodb-on-suse/">
Install MongoDB using the zypper Package Manager
</a>
for instructions.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Considerations
<a class="headerlink leafygreen-ui-1kepx47" href="#considerations" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="considerations">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
MongoDB Shell,
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-shell--mongosh" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-shell--mongosh">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
When you use the
<code class="leafygreen-ui-1l06pbn">
.tgz
</code>
package to install the server, you need to
follow the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/install/" target="_self">
<span>
mongosh installation instructions
</span>
</a>
to
download and install
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/" target="_self">
<span>
mongosh
</span>
</a>
separately.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Platform Support
<a class="headerlink leafygreen-ui-1kepx47" href="#platform-support" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="platform-support">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
MongoDB 8.0 Community Edition supports the following
<strong class="css-4dei7l">
64-bit
</strong>
SUSE Linux Enterprise Server (SLES) releases on
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/production-notes/#std-label-prod-notes-supported-platforms-x86_64">
x86_64
</a>
architecture:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<span class="leafygreen-ui-vm4wms" tabindex="0">
SLES
</span>
15
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
MongoDB only supports the 64-bit versions of these platforms.
</p>
<p class="leafygreen-ui-1kp3ins">
See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/production-notes/#std-label-prod-notes-supported-platforms">
Platform Support
</a>
for more information.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Production Notes
<a class="headerlink leafygreen-ui-1kepx47" href="#production-notes" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="production-notes">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Before deploying MongoDB in a production environment, consider the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/production-notes/">
Production Notes for Self-Managed Deployments
</a>
document which offers
performance considerations and configuration recommendations for
production MongoDB deployments.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Install MongoDB Community Edition
<a class="headerlink leafygreen-ui-1kepx47" href="#install-mongodb-community-edition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="install-mongodb-community-edition">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Prerequisites
<a class="headerlink leafygreen-ui-1kepx47" href="#prerequisites" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="prerequisites">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Use the following command to install the dependencies required for the
MongoDB
<!-- -->
Community
<!-- -->
<code class="leafygreen-ui-1l06pbn">
.tgz
</code>
tarball:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo zypper install libcurl4 libopenssl1_1","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo zypper install libcurl4 libopenssl1_1</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
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<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</button>
</div>
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</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Procedure
<a class="headerlink leafygreen-ui-1kepx47" href="#procedure" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="procedure">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Follow these steps to manually install MongoDB
<!-- -->
Community
<!-- -->
Edition from
the
<code class="leafygreen-ui-1l06pbn">
.tgz
</code>
.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"Download the tarball.After you have installed the required prerequisite packages, download\nthe MongoDB Community tgz tarball from the following link:➤ MongoDB Download CenterIn the Version dropdown, select the version of\nMongoDB to download.In the Platform dropdown, select your operating system\nversion and architecture.In the Package dropdown, select tgz.Click Download."},{"@type":"HowToStep","text":"Extract the files from the downloaded archive.For example, from a system shell, you can extract using the tar command:"},{"@type":"HowToStep","text":"Ensure the binaries are in a directory listed in your PATH environment variable.The MongoDB binaries are in the bin/ directory of the tarball.\nYou can either:Copy the binaries into a directory listed in your PATH\nvariable, such as /usr/local/bin (Update\n/path/to/the/mongodb-directory/ with your installation\ndirectory as appropriate)Create symbolic links to the binaries from a directory listed in\nyour PATH variable, such as /usr/local/bin (Update\n/path/to/the/mongodb-directory/ with your installation\ndirectory as appropriate):"},{"@type":"HowToStep","text":"Install the MongoDB Shell (mongosh).Install mongosh then use the MongoDB Shell\nto connect to your deployment.Download the package for the version of mongosh you need from the\nMongoDB Download Center and uncompress the package."}],"name":"Procedure","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
</script>
<div class="css-4nyere eccljxs0">
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Download the tarball.
<a class="headerlink leafygreen-ui-1kepx47" href="#download-the-tarball" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="download-the-tarball">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
After you have installed the required prerequisite packages, download
the MongoDB
<!-- -->
Community
<!-- -->
<code class="leafygreen-ui-1l06pbn">
tgz
</code>
tarball from the following link:
</p>
<p class="leafygreen-ui-1kp3ins">
➤
<!-- -->
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/try/download/community?tck=docs_server" target="_self">
<span>
MongoDB Download Center
</span>
</a>
</p>
<ol class="leafygreen-ui-rioki0" type="a">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
In the
<span class="guilabel css-h15tq0">
Version
</span>
dropdown, select the version of
MongoDB to download.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
In the
<span class="guilabel css-h15tq0">
Platform
</span>
dropdown, select your operating system
version and architecture.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
In the
<span class="guilabel css-h15tq0">
Package
</span>
dropdown, select
<span class="guilabel css-h15tq0">
tgz
</span>
.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Click
<span class="guilabel css-h15tq0">
Download
</span>
.
</p>
</li>
</ol>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Extract the files from the downloaded archive.
<a class="headerlink leafygreen-ui-1kepx47" href="#extract-the-files-from-the-downloaded-archive" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="extract-the-files-from-the-downloaded-archive">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
For example, from a system shell, you can extract using the
<code class="leafygreen-ui-1l06pbn">
tar
</code>
command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"tar -zxvf mongodb-linux-*-8.0.0.tgz","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">tar -zxvf mongodb-linux-*-8.0.0.tgz</td></tr></tbody></table></code></pre>
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
3
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Ensure the binaries are in a directory listed in your
<code class="leafygreen-ui-1l06pbn">
PATH
</code>
environment variable.
<a class="headerlink leafygreen-ui-1kepx47" href="#ensure-the-binaries-are-in-a-directory-listed-in-your-path-environment-variable" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="ensure-the-binaries-are-in-a-directory-listed-in-your-path-environment-variable">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
The MongoDB binaries are in the
<code class="leafygreen-ui-1l06pbn">
bin/
</code>
directory of the tarball.
You can either:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Copy the binaries into a directory listed in your
<code class="leafygreen-ui-1l06pbn">
PATH
</code>
variable, such as
<code class="leafygreen-ui-1l06pbn">
/usr/local/bin
</code>
(Update
<code class="leafygreen-ui-1l06pbn">
/path/to/the/mongodb-directory/
</code>
with your installation
directory as appropriate)
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo cp /path/to/the/mongodb-directory/bin/* /usr/local/bin/","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo <span class="lg-highlight-built_in">cp</span> <!-- -->/path/to/the/mongodb-directory/bin<!-- -->/* <!-- -->/usr/local/bin<!-- -->/</td></tr></tbody></table></code></pre>
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</button>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Create symbolic links to the binaries from a directory listed in
your
<code class="leafygreen-ui-1l06pbn">
PATH
</code>
variable, such as
<code class="leafygreen-ui-1l06pbn">
/usr/local/bin
</code>
(Update
<code class="leafygreen-ui-1l06pbn">
/path/to/the/mongodb-directory/
</code>
with your installation
directory as appropriate):
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo ln -s /path/to/the/mongodb-directory/bin/* /usr/local/bin/","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo <span class="lg-highlight-built_in">ln</span> -s <!-- -->/path/to/the/mongodb-directory/bin<!-- -->/* <!-- -->/usr/local/bin<!-- -->/</td></tr></tbody></table></code></pre>
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</ul>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
4
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Install the MongoDB Shell (
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
).
<a class="headerlink leafygreen-ui-1kepx47" href="#install-the-mongodb-shell-mongosh" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="install-the-mongodb-shell-mongosh">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/install/" target="_self">
<span>
Install
</span>
</a>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
then use the MongoDB Shell
to connect to your deployment.
</p>
<p class="leafygreen-ui-1kp3ins">
Download the package for the version of
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
you need from the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/try/download/community?tck=docs_server" target="_self">
<span>
MongoDB Download Center
</span>
</a>
and uncompress the package.
</p>
</section>
</div>
</div>
</div>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Run MongoDB Community Edition
<a class="headerlink leafygreen-ui-1kepx47" href="#run-mongodb-community-edition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="run-mongodb-community-edition">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Follow these steps to run MongoDB
<!-- -->
Community
<!-- -->
Edition. These instructions
assume that you are using the default settings.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"Create the data and log directories.Create a directory where the MongoDB instance stores its data. For\nexample:Create a directory where the MongoDB instance stores its log. For example:The user that starts the MongoDB process must have read and write\npermission to these directories. For example, if you intend to run\nMongoDB as yourself:"},{"@type":"HowToStep","text":"Run MongoDB.To run MongoDB, run the mongod process at the system prompt.For details on the command-line options --dbpath and --logpath, see\nOptions."},{"@type":"HowToStep","text":"Verify that MongoDB has started successfully.Verify that MongoDB has started successfully by\nchecking the process output for the following line in the\nlog file /var/log/mongodb/mongod.log:You may see non-critical warnings in the process\noutput. As long as you see the log line shown above, you can safely\nignore these warnings during your initial evaluation of MongoDB."},{"@type":"HowToStep","text":"Begin using MongoDB.Start a mongosh session on the same host machine as the\nmongod. You can run mongosh\nwithout any command-line options to connect to a\nmongod that is running on your localhost with default\nport 27017.For more information on connecting using mongosh,\nsuch as to connect to a mongod instance running\non a different host and/or port, see the\nmongosh documentation.To help you start using MongoDB, MongoDB provides Getting\nStarted Guides in various driver editions. For the\ndriver documentation, see Start Developing with MongoDB."}],"name":"Run MongoDB Community Edition","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
</script>
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1
</div>
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<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Create the data and log directories.
<a class="headerlink leafygreen-ui-1kepx47" href="#create-the-data-and-log-directories" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Create a directory where the MongoDB instance stores its data. For
example:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo mkdir -p /var/lib/mongo","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo <span class="lg-highlight-built_in">mkdir</span> -p <!-- -->/var/lib/mongo</td></tr></tbody></table></code></pre>
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<p class="leafygreen-ui-1kp3ins">
Create a directory where the MongoDB instance stores its log. For example:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo mkdir -p /var/log/mongodb","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo <span class="lg-highlight-built_in">mkdir</span> -p <!-- -->/var/log/mongodb</td></tr></tbody></table></code></pre>
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<p class="leafygreen-ui-1kp3ins">
The user that starts the MongoDB process must have read and write
permission to these directories. For example, if you intend to run
MongoDB as yourself:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo chown `whoami` /var/lib/mongo # Or substitute another user\nsudo chown `whoami` /var/log/mongodb # Or substitute another user","programmingLanguage":"Bash"}
</script>
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<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo <span class="lg-highlight-built_in">chown</span> `<span class="lg-highlight-built_in">whoami</span>` <!-- -->/var/lib/mongo<!-- --> <span class="lg-highlight-comment"># Or substitute another user</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">sudo <span class="lg-highlight-built_in">chown</span> `<span class="lg-highlight-built_in">whoami</span>` <!-- -->/var/log/mongodb<!-- --> <span class="lg-highlight-comment"># Or substitute another user</span></td></tr></tbody></table></code></pre>
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2
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<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Run MongoDB.
<a class="headerlink leafygreen-ui-1kepx47" href="#run-mongodb" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To run MongoDB, run the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
process at the system prompt.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongod --dbpath /var/lib/mongo --logpath /var/log/mongodb/mongod.log --fork","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
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<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongod --dbpath <!-- -->/var/lib/mongo<!-- --> --logpath <!-- -->/var/log/mongodb/mongod.log<!-- --> --fork</td></tr></tbody></table></code></pre>
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<p class="leafygreen-ui-1kp3ins">
For details on the command-line options
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--dbpath">
<code class="leafygreen-ui-1l06pbn">
--dbpath
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--logpath">
<code class="leafygreen-ui-1l06pbn">
--logpath
</code>
</a>
, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-label-mongod-options">
Options
<!-- -->
.
</a>
</p>
</section>
</div>
</div>
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<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
3
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Verify that MongoDB has started successfully.
<a class="headerlink leafygreen-ui-1kepx47" href="#verify-that-mongodb-has-started-successfully" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="verify-that-mongodb-has-started-successfully">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Verify that MongoDB has started successfully by
checking the process output for the following line in the
log file
<code class="leafygreen-ui-1l06pbn">
/var/log/mongodb/mongod.log
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"[initandlisten] waiting for connections on port 27017\n"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1agdxuk" tabindex="-1"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">[initandlisten] waiting for connections on port 27017</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
You may see non-critical warnings in the process
output. As long as you see the log line shown above, you can safely
ignore these warnings during your initial evaluation of MongoDB.
</p>
</section>
</div>
</div>
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<div class="css-19lsqsq e1ckbxcu2">
4
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Begin using MongoDB.
<a class="headerlink leafygreen-ui-1kepx47" href="#begin-using-mongodb" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="begin-using-mongodb">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Start a
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
session on the same host machine as the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
. You can run
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
without any command-line options to connect to a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
that is running on your localhost with default
port 27017.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"\nmongosh\n","programmingLanguage":"Shell"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light shell leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongosh</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For more information on connecting using
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
,
such as to connect to a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance running
on a different host and/or port, see the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/" target="_self">
<span>
mongosh documentation
<!-- -->
.
</span>
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
To help you start using MongoDB, MongoDB provides
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/getting-started/#std-label-getting-started">
Getting
Started Guides
</a>
in various driver editions. For the
driver documentation, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://api.mongodb.com/" target="_self">
<span>
Start Developing with MongoDB
<!-- -->
.
</span>
</a>
</p>
</section>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Additional Information
<a class="headerlink leafygreen-ui-1kepx47" href="#additional-information" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="additional-information">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Localhost Binding by Default
<a class="headerlink leafygreen-ui-1kepx47" href="#localhost-binding-by-default" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="localhost-binding-by-default">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
By default, MongoDB launches with
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.bindIp">
<code class="leafygreen-ui-1l06pbn">
bindIp
</code>
</a>
set to
<code class="leafygreen-ui-1l06pbn">
127.0.0.1
</code>
, which binds to the localhost network interface. This
means that the
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
can only accept connections from
clients that are running on the same machine. Remote clients will not be
able to connect to the
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
, and the
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
will
not be able to initialize a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-replica-set">
replica set
</a>
unless this value is set
to a valid network interface.
</p>
<p class="leafygreen-ui-1kp3ins">
This value can be configured either:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
in the MongoDB configuration file with
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.bindIp">
<code class="leafygreen-ui-1l06pbn">
bindIp
</code>
</a>
, or
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
via the command-line argument
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--bind_ip">
<code class="leafygreen-ui-1l06pbn">
--bind_ip
</code>
</a>
</p>
</li>
</ul>
<div class="leafygreen-ui-1sjx7ru" role="note">
<h2 class="leafygreen-ui-29m78u">
Warning
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Before you bind your instance to a publicly-accessible IP address,
you must secure your cluster from unauthorized access. For a complete
list of security recommendations, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/security-checklist/#std-label-security-checklist">
Security Checklist for Self-Managed Deployments
</a>
. At minimum, consider
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/security-checklist/#std-label-checklist-auth">
enabling authentication
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/security-hardening/#std-label-network-config-hardening">
hardening
network infrastructure
<!-- -->
.
</a>
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For more information on configuring
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.bindIp">
<code class="leafygreen-ui-1l06pbn">
bindIp
</code>
</a>
, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/security-mongodb-configuration/">
IP Binding in Self-Managed Deployments
<!-- -->
.
</a>
</p>
</section>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/command/endSessions/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
endSessions
<a class="headerlink leafygreen-ui-1kepx47" href="#endsessions" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="endsessions">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
<span>
Definition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#compatibility" target="_self">
<span>
Compatibility
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#syntax" target="_self">
<span>
Syntax
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#behavior" target="_self">
<span>
Behavior
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#access-control" target="_self">
<span>
Access Control
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Definition
<a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="definition">
</div>
</a>
</h2>
<dl class="dbcommand">
<dt>
<code class="leafygreen-ui-1l06pbn">
endSessions
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-dbcommand-dbcmd.endSessions" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-dbcommand-dbcmd.endSessions">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.endSessions" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
endSessions
</code>
</span>
</a>
command marks a session as expired to
signal to the server to clean up the session and updates the
expiration time of the session. The command overrides the timeout
period that sessions wait before expiring.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/killSessions/#mongodb-dbcommand-dbcmd.killSessions">
<code class="leafygreen-ui-1l06pbn">
killSessions
</code>
</a>
command to immediately terminate
and remove a session.
</p>
</div>
</div>
</dd>
</dl>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Compatibility
<a class="headerlink leafygreen-ui-1kepx47" href="#compatibility" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="compatibility">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
This command is available in deployments hosted in the following environments:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas?tck=docs_server" target="_self">
<span>
MongoDB Atlas
</span>
</a>
: The fully
managed service for MongoDB deployments in the cloud
</p>
</li>
</ul>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
This command is supported in all MongoDB Atlas clusters.
For information on Atlas support for all commands, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/unsupported-commands/" target="_self">
<span>
Unsupported Commands
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-enterprise/#std-label-install-mdb-enterprise">
MongoDB Enterprise
</a>
: The
subscription-based, self-managed version of MongoDB
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-community/#std-label-install-mdb-community-edition">
MongoDB Community
</a>
: The
source-available, free-to-use, and self-managed version of MongoDB
</p>
</li>
</ul>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Syntax
<a class="headerlink leafygreen-ui-1kepx47" href="#syntax" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="syntax">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The command has the following syntax:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.runCommand(\n {\n endSessions: [ { id : <uuid> }, ... ]\n }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">endSessions</span>: <!-- -->[ <!-- -->{ <!-- -->id <!-- -->: <<span class="lg-highlight-variable lg-highlight-constant">UUID</span>> <!-- -->}<!-- -->, <!-- -->...<!-- --> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
To run
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.endSessions" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
endSessions
</code>
</span>
</a>
, use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.runCommand/#mongodb-method-db.runCommand">
<code class="leafygreen-ui-1l06pbn">
db.runCommand( { <command> } )
</code>
</a>
method.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.runCommand(\n {\n endSessions: [ { id : <uuid> }, ... ]\n }\n )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">endSessions</span>: <!-- -->[ <!-- -->{ <!-- -->id <!-- -->: <<span class="lg-highlight-variable lg-highlight-constant">UUID</span>> <!-- -->}<!-- -->, <!-- -->...<!-- --> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> )</td></tr></tbody></table></code></pre>
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<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Behavior
<a class="headerlink leafygreen-ui-1kepx47" href="#behavior" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="behavior">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Session Identification
<a class="headerlink leafygreen-ui-1kepx47" href="#session-identification" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="session-identification">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
MongoDB concatenates each of the specified UUIDs with the hash of the
authenticated user credentials to identify the user's sessions to end.
If the user has no session that match, the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.endSessions" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
endSessions
</code>
</span>
</a>
has no effect.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Access Control
<a class="headerlink leafygreen-ui-1kepx47" href="#access-control" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="access-control">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
If the deployment enforces authentication/authorization, you must be
authenticated to run the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.endSessions" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
endSessions
</code>
</span>
</a>
command.
</p>
<p class="leafygreen-ui-1kp3ins">
A user can only end sessions belonging to the user.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/startSession/#mongodb-dbcommand-dbcmd.startSession">
<code class="leafygreen-ui-1l06pbn">
startSession
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/listLocalSessions/#mongodb-pipeline-pipe.-listLocalSessions">
<code class="leafygreen-ui-1l06pbn">
$listLocalSessions
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/listSessions/#mongodb-pipeline-pipe.-listSessions">
<code class="leafygreen-ui-1l06pbn">
$listSessions
</code>
</a>
</p>
</li>
</ul>
</div>
</div>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/command/killAllSessions/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
killAllSessions
<a class="headerlink leafygreen-ui-1kepx47" href="#killallsessions" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="killallsessions">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
<span>
Definition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#syntax" target="_self">
<span>
Syntax
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#compatibility" target="_self">
<span>
Compatibility
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#command-fields" target="_self">
<span>
Command Fields
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#view-existing-sesssions" target="_self">
<span>
View Existing Sesssions
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#access-control" target="_self">
<span>
Access Control
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#behavior" target="_self">
<span>
Behavior
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#examples" target="_self">
<span>
Examples
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Definition
<a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="definition">
</div>
</a>
</h2>
<dl class="dbcommand">
<dt>
<code class="leafygreen-ui-1l06pbn">
killAllSessions
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-dbcommand-dbcmd.killAllSessions" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-dbcommand-dbcmd.killAllSessions">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.killAllSessions" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
killAllSessions
</code>
</span>
</a>
command kills all sessions for the
specified users.
<a class="footnote-reference header-buffer" href="#footnote-exception" id="ref-exception-id1">
[
<!-- -->
1
<!-- -->
]
</a>
</p>
</dd>
</dl>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Syntax
<a class="headerlink leafygreen-ui-1kepx47" href="#syntax" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="syntax">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The command has the following syntax:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.runCommand(\n {\n killAllSessions: [ { user: <user>, db: <dbname> }, ... ]\n }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">killAllSessions</span>: <!-- -->[ <!-- -->{ <span class="lg-highlight-attr">user</span>: <<!-- -->user<!-- -->><!-- -->,<!-- --> <span class="lg-highlight-attr">db</span>: <<!-- -->dbname<!-- -->> <!-- -->}<!-- -->, <!-- -->...<!-- --> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
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</div>
</button>
</div>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Compatibility
<a class="headerlink leafygreen-ui-1kepx47" href="#compatibility" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="compatibility">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
This command is available in deployments hosted in the following environments:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas?tck=docs_server" target="_self">
<span>
MongoDB Atlas
</span>
</a>
: The fully
managed service for MongoDB deployments in the cloud
</p>
</li>
</ul>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
This command is not supported in M0, M2, M5, and M10+ clusters.
For more information, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/unsupported-commands/" target="_self">
<span>
Unsupported Commands
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-enterprise/#std-label-install-mdb-enterprise">
MongoDB Enterprise
</a>
: The
subscription-based, self-managed version of MongoDB
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-community/#std-label-install-mdb-community-edition">
MongoDB Community
</a>
: The
source-available, free-to-use, and self-managed version of MongoDB
</p>
</li>
</ul>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Command Fields
<a class="headerlink leafygreen-ui-1kepx47" href="#command-fields" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="command-fields">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The command takes an array of documents where each document specifies
the user and the user's authentication database. Specify an empty array
to kill all sessions for all users in the system.
<a class="footnote-reference header-buffer" href="#footnote-exception" id="ref-exception-id2">
[
<!-- -->
1
<!-- -->
]
</a>
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
View Existing Sesssions
<a class="headerlink leafygreen-ui-1kepx47" href="#view-existing-sesssions" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="view-existing-sesssions">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
To view existing sessions, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/listSessions/#mongodb-pipeline-pipe.-listSessions">
<code class="leafygreen-ui-1l06pbn">
$listSessions
</code>
</a>
operation
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/listLocalSessions/#mongodb-pipeline-pipe.-listLocalSessions">
<code class="leafygreen-ui-1l06pbn">
$listLocalSessions
</code>
.
</a>
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/killAllSessionsByPattern/#mongodb-dbcommand-dbcmd.killAllSessionsByPattern">
<code class="leafygreen-ui-1l06pbn">
killAllSessionsByPattern
</code>
</a>
</p>
</div>
</div>
<table class="header-buffer leafygreen-ui-rbqgrl" frame="void" id="footnote-exception" rules="none">
<colgroup>
<col/>
</colgroup>
<tbody valign="top">
<tr>
<td class="leafygreen-ui-17r2xs0">
[
<!-- -->
1
<!-- -->
]
</td>
<td class="leafygreen-ui-17r2xs0">
<em>
(
<a href="#ref-exception-id1">
1
</a>
,
<a href="#ref-exception-id2">
2
</a>
)
</em>
<!-- -->
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.killAllSessions" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
killAllSessions
</code>
</span>
</a>
operation ignores sessions that have
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions">
transactions
</a>
in prepared state.
See
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-killAllSessions-behavior" target="_self">
<span>
Behavior
</span>
</a>
for details.
</td>
</tr>
</tbody>
</table>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Access Control
<a class="headerlink leafygreen-ui-1kepx47" href="#access-control" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="access-control">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
If the deployment enforces authentication/authorization, you must have
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#mongodb-authaction-killAnySession">
<code class="leafygreen-ui-1l06pbn">
killAnySession
</code>
</a>
to run the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.killAllSessions" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
killAllSessions
</code>
</span>
</a>
command.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Users can kill their own sessions even without
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#mongodb-authaction-killAnySession">
<code class="leafygreen-ui-1l06pbn">
killAnySession
</code>
</a>
privilege action.
</p>
</div>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-killAllSessions-behavior">
</span>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Behavior
<a class="headerlink leafygreen-ui-1kepx47" href="#behavior" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="behavior">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
In-progress Operations
<a class="headerlink leafygreen-ui-1kepx47" href="#in-progress-operations" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="in-progress-operations">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Killing a session kills any in-progress operations in the session and
closes any open cursors associated with these operations.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Killed Session Availability
<a class="headerlink leafygreen-ui-1kepx47" href="#killed-session-availability" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="killed-session-availability">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The killed session may still be listed as a current session, and future
operations may use the killed session. To view existing sessions, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/listSessions/#mongodb-pipeline-pipe.-listSessions">
<code class="leafygreen-ui-1l06pbn">
$listSessions
</code>
</a>
operation or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/listLocalSessions/#mongodb-pipeline-pipe.-listLocalSessions">
<code class="leafygreen-ui-1l06pbn">
$listLocalSessions
</code>
.
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Sessions with Transactions in Prepared State
<a class="headerlink leafygreen-ui-1kepx47" href="#sessions-with-transactions-in-prepared-state" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="sessions-with-transactions-in-prepared-state">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.killAllSessions" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
killAllSessions
</code>
</span>
</a>
operation ignores sessions that have
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/">
transactions
</a>
in prepared state. Transactions in prepared state
refer to transactions with write operations that span multiple shards
whose commit coordinator has completed the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/currentOp/#mongodb-data--currentOp.twoPhaseCommitCoordinator.action">
<code class="leafygreen-ui-1l06pbn">
"sendingPrepare"
action
</code>
.
</a>
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Examples
<a class="headerlink leafygreen-ui-1kepx47" href="#examples" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="examples">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Kill All Sessions
<a class="headerlink leafygreen-ui-1kepx47" href="#kill-all-sessions" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="kill-all-sessions">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The following operation kills all sessions for all users in the system:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.runCommand( { killAllSessions: [ ] } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>( <!-- -->{ <span class="lg-highlight-attr">killAllSessions</span>: <!-- -->[ <!-- -->] } )</td></tr></tbody></table></code></pre>
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</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Kill All Sessions for Specific Users
<a class="headerlink leafygreen-ui-1kepx47" href="#kill-all-sessions-for-specific-users" title="Permalink to this heading">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="kill-all-sessions-for-specific-users">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The following operation kills all sessions for the user
<code class="leafygreen-ui-1l06pbn">
appReader
</code>
in the
<code class="leafygreen-ui-1l06pbn">
db1
</code>
and the user
<code class="leafygreen-ui-1l06pbn">
reportWriter
</code>
in
<code class="leafygreen-ui-1l06pbn">
db2
</code>
databases:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.runCommand( { killAllSessions: [\n { user: \"appReader\", db: \"db1\" },\n { user: \"reportWriter\", db: \"db2\" }\n] } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>( <!-- -->{ <span class="lg-highlight-attr">killAllSessions</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">user</span>: <span class="lg-highlight-string">"appReader"</span>, <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">"db1"</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">user</span>: <span class="lg-highlight-string">"reportWriter"</span>, <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">"db2"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">] } )</td></tr></tbody></table></code></pre>
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</div>
</section>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/operator/aggregation/sinh/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
$sinh (aggregation)
<a class="headerlink leafygreen-ui-1kepx47" href="#-sinh--aggregation-" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="-sinh--aggregation-">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#behavior" target="_self">
<span>
Behavior
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#example" target="_self">
<span>
Example
</span>
</a>
</li>
</ul>
</div>
<dl class="expression">
<dt>
<code class="leafygreen-ui-1l06pbn">
$sinh
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-expression-exp.-sinh" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-expression-exp.-sinh">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Returns the hyperbolic sine of a value that is measured in radians.
</p>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-expression-exp.-sinh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$sinh
</code>
</span>
</a>
has the following syntax:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ $sinh: <expression> }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">$sinh</span>: <<!-- -->expression<!-- -->> <!-- -->}</td></tr></tbody></table></code></pre>
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<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-expression-exp.-sinh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$sinh
</code>
</span>
</a>
takes any valid
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/#std-label-aggregation-expressions">
expression
</a>
that resolves to a number, measured in
radians. If the expression returns a value in degrees, use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/degreesToRadians/#mongodb-expression-exp.-degreesToRadians">
<code class="leafygreen-ui-1l06pbn">
$degreesToRadians
</code>
</a>
operator to convert the value to
radians.
</p>
<p class="leafygreen-ui-1kp3ins">
By default
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-expression-exp.-sinh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$sinh
</code>
</span>
</a>
returns values as a
<code class="leafygreen-ui-1l06pbn">
double
</code>
.
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-expression-exp.-sinh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$sinh
</code>
</span>
</a>
can also return values as a
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/reference/data-types/#std-label-shell-type-decimal" target="_self">
<span>
128-bit decimal
</span>
</a>
if the
<code class="leafygreen-ui-1l06pbn">
<expression>
</code>
resolves to a 128-bit
decimal value.
</p>
<p class="leafygreen-ui-1kp3ins">
For more information on expressions, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/#std-label-aggregation-expressions">
Expression Operators
<!-- -->
.
</a>
</p>
</dd>
</dl>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Behavior
<a class="headerlink leafygreen-ui-1kepx47" href="#behavior" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="behavior">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
<code class="leafygreen-ui-1l06pbn">
null
</code>
,
<code class="leafygreen-ui-1l06pbn">
NaN
</code>
, and
<code class="leafygreen-ui-1l06pbn">
+/- Infinity
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#null--nan--and-----infinity" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="null--nan--and-----infinity">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
If the input argument resolves to a value of
<code class="leafygreen-ui-1l06pbn">
null
</code>
or refers to a
field that is missing,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-expression-exp.-sinh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$sinh
</code>
</span>
</a>
returns
<code class="leafygreen-ui-1l06pbn">
null
</code>
. If the
argument resolves to
<code class="leafygreen-ui-1l06pbn">
NaN
</code>
,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-expression-exp.-sinh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$sinh
</code>
</span>
</a>
returns
<code class="leafygreen-ui-1l06pbn">
NaN
</code>
. If
the argument resolves to negative or positive
<code class="leafygreen-ui-1l06pbn">
Infinity
</code>
,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-expression-exp.-sinh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$sinh
</code>
</span>
</a>
returns negative or positive
<code class="leafygreen-ui-1l06pbn">
Infinity
</code>
respectively.
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:50%"/>
<col style="width:50%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Example
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Results
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
{ $sinh: NaN }
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
NaN
</code>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
{ $sinh: null }
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
null
</code>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
{ $sinh: -Infinity }
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
-Infinity
</code>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
{ $sinh: Infinity }
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
Infinity
</code>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Example
<a class="headerlink leafygreen-ui-1kepx47" href="#example" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="example">
</div>
</a>
</h2>
<div aria-hidden="true">
</div>
<div class="leafygreen-ui-1b75luy" data-lgid="lg-tabs">
<div class="leafygreen-ui-jp7pox" id="tabs-8">
<div aria-label="Tabs to describe usage of degrees/radians" aria-orientation="horizontal" class="leafygreen-ui-m8p1vb lg-ui-tab-list-0000" data-lgid="lg-tabs-tab_list" role="tablist">
<button aria-controls="_cm78hwcop" aria-selected="true" class="leafygreen-ui-1l773z1" data-text="" id="_zx467uiti" name="" role="tab" tabindex="0">
<div class="leafygreen-ui-1nxuzmg">
Hyperbolic Sine of Value in Degrees
</div>
</button>
<button aria-controls="_octpbwva3" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_tje0khlj9" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Hyperbolic Sine of Value in Radians
</div>
</button>
</div>
<div class="leafygreen-ui-ov1ktg">
<div class="leafygreen-ui-1sg2lsz">
</div>
</div>
</div>
<div class="lg-ui-tab-panels-0000" data-lgid="lg-tabs-tab_panels">
<div>
<div aria-labelledby="_1by2cor46" class="" id="_v9cockgly" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
The following
<code class="leafygreen-ui-1l06pbn">
trigonometry
</code>
collection contains a document
that stores an
<code class="leafygreen-ui-1l06pbn">
angle
</code>
value measured in degrees:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.trigonometry.insertOne(\n {\n \"_id\" : ObjectId( \"5c50782193f833234ba90d25\" ),\n \"angle\" : NumberDecimal( \"53.1301023541559787031443874490659\" )\n }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">trigonometry</span>.<span class="lg-highlight-title lg-highlight-function">insertOne</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">ObjectId</span>( <span class="lg-highlight-string">"5c50782193f833234ba90d25"</span> )<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"angle"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">NumberDecimal</span>( <span class="lg-highlight-string">"53.1301023541559787031443874490659"</span> )</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The following aggregation operation uses the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-expression-exp.-sinh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$sinh
</code>
</span>
</a>
expression to calculate the hyperbolic sine
of
<code class="leafygreen-ui-1l06pbn">
angle
</code>
and adds it to the input document using the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/addFields/#mongodb-pipeline-pipe.-addFields">
<code class="leafygreen-ui-1l06pbn">
$addFields
</code>
</a>
pipeline stage:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.trigonometry.aggregate( [\n {\n $addFields : {\n \"sinh_output\" : { $sinh : { $degreesToRadians : \"$angle\" } }\n }\n }\n] )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">trigonometry</span>.<span class="lg-highlight-title lg-highlight-function">aggregate</span>( <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->$addFields<!-- --> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"sinh_output"</span> <!-- -->: <!-- -->{ <!-- -->$sinh<!-- --> <!-- -->: <!-- -->{ <!-- -->$degreesToRadians<!-- --> <!-- -->: <span class="lg-highlight-string">"$angle"</span> } }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">] )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/degreesToRadians/#mongodb-expression-exp.-degreesToRadians">
<code class="leafygreen-ui-1l06pbn">
$degreesToRadians
</code>
</a>
expression converts the
<code class="leafygreen-ui-1l06pbn">
angle
</code>
in degrees to radians.
</p>
<p class="leafygreen-ui-1kp3ins">
Example output:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n \"_id\" : ObjectId(\"5c50782193f833234ba90d25\"),\n \"angle\" : NumberDecimal(\"53.1301023541559787031443874490659\"),\n \"sinh_output\" : NumberDecimal(\"1.066020404405732132503284522731829\")\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">ObjectId</span>(<span class="lg-highlight-string">"5c50782193f833234ba90d25"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"angle"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">NumberDecimal</span>(<span class="lg-highlight-string">"53.1301023541559787031443874490659"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"sinh_output"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">NumberDecimal</span>(<span class="lg-highlight-string">"1.066020404405732132503284522731829"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Because
<code class="leafygreen-ui-1l06pbn">
angle
</code>
is stored as a
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/reference/data-types/#std-label-shell-type-decimal" target="_self">
<span>
128-bit decimal
</span>
</a>
, the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-expression-exp.-sinh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$sinh
</code>
</span>
</a>
output is also a
128-bit decimal.
</p>
</div>
</div>
</div>
<div>
<div aria-labelledby="_pdmt4z17f" class="leafygreen-ui-38lglc" id="_ytxpwtiv3" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
The following
<code class="leafygreen-ui-1l06pbn">
trigonometry
</code>
collection contains a document
that stores an
<code class="leafygreen-ui-1l06pbn">
angle
</code>
value measured in radians:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.trigonometry.insertOne(\n {\n \"_id\" : ObjectId( \"5c50782193f833234ba90d35\" ),\n \"angle\" : NumberDecimal( \"1.6301023541559787031443874490659\" )\n }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">trigonometry</span>.<span class="lg-highlight-title lg-highlight-function">insertOne</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">ObjectId</span>( <span class="lg-highlight-string">"5c50782193f833234ba90d35"</span> )<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"angle"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">NumberDecimal</span>( <span class="lg-highlight-string">"1.6301023541559787031443874490659"</span> )</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The following aggregation operation uses the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-expression-exp.-sinh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$sinh
</code>
</span>
</a>
expression to calculate the hyperbolic sine
of
<code class="leafygreen-ui-1l06pbn">
angle
</code>
and adds it to the input document using the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/addFields/#mongodb-pipeline-pipe.-addFields">
<code class="leafygreen-ui-1l06pbn">
$addFields
</code>
</a>
pipeline stage:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.trigonometry.aggregate( [\n {\n $addFields : {\n \"sinh_output\" : { $sinh : \"$angle\" }\n }\n }\n] )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">trigonometry</span>.<span class="lg-highlight-title lg-highlight-function">aggregate</span>( <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->$addFields<!-- --> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"sinh_output"</span> <!-- -->: <!-- -->{ <!-- -->$sinh<!-- --> <!-- -->: <span class="lg-highlight-string">"$angle"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">] )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Example output:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n \"_id\" : ObjectId(\"5c50782193f833234ba90d35\"),\n \"angle\" : NumberDecimal(\"1.6301023541559787031443874490659\"),\n \"sinh_output\" : NumberDecimal(\"2.454243813557362033961729701069671\")\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">ObjectId</span>(<span class="lg-highlight-string">"5c50782193f833234ba90d35"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"angle"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">NumberDecimal</span>(<span class="lg-highlight-string">"1.6301023541559787031443874490659"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"sinh_output"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">NumberDecimal</span>(<span class="lg-highlight-string">"2.454243813557362033961729701069671"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Because
<code class="leafygreen-ui-1l06pbn">
angle
</code>
is stored as a
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/reference/data-types/#std-label-shell-type-decimal" target="_self">
<span>
128-bit decimal
</span>
</a>
, the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-expression-exp.-sinh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$sinh
</code>
</span>
</a>
output is also
a 128-bit decimal.
</p>
</div>
</div>
</div>
</div>
</div>
</section>
</section>
|
https://www.mongodb.com/docs/manual/data-modeling/concepts/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Data Modeling Concepts
<a class="headerlink leafygreen-ui-1kepx47" href="#data-modeling-concepts" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="data-modeling-concepts">
</div>
</a>
</h1>
<p class="leafygreen-ui-1kp3ins">
Consider the following aspects of data modeling in MongoDB:
</p>
<dl>
<dt>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/data-modeling/concepts/embedding-vs-references/#std-label-embedding-vs-references">
Embedded Data Versus References
</a>
</dt>
<dd class="css-1ufxuu7">
Presents the different strategies that you can choose from when
determining your data model, their strengths and their weaknesses.
</dd>
<dt>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/data-model-operations/">
Operational Factors and Data Models
</a>
</dt>
<dd class="css-1ufxuu7">
Details features you should keep in mind when designing your data
model, such as lifecycle management, indexing, horizontal
scalability, and document growth.
</dd>
</dl>
<p class="leafygreen-ui-1kp3ins">
For a general introduction to data modeling in MongoDB, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/data-modeling/#std-label-manual-data-modeling-intro">
Data Modeling
</a>
. For example data models, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/applications/data-models/">
Data Modeling Examples and Patterns
<!-- -->
.
</a>
</p>
</section>
|
https://www.mongodb.com/docs/manual/core/csfle/reference/decryption/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
How CSFLE Decrypts Documents
<a class="headerlink leafygreen-ui-1kepx47" href="#how-csfle-decrypts-documents" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="how-csfle-decrypts-documents">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#metadata-used-for-decryption" target="_self">
<span>
Metadata Used for Decryption
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#automatic-decryption-process" target="_self">
<span>
Automatic Decryption Process
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#automatically-encrypted-read-behavior" target="_self">
<span>
Automatically Encrypted Read Behavior
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#learn-more" target="_self">
<span>
Learn More
</span>
</a>
</li>
</ul>
</div>
<p class="leafygreen-ui-1kp3ins">
This page describes how CSFLE uses metadata from your
Data Encryption Key and Customer Master Key to decrypt data.
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-csfle-reference-decryption-metadata">
</span>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Metadata Used for Decryption
<a class="headerlink leafygreen-ui-1kepx47" href="#metadata-used-for-decryption" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="metadata-used-for-decryption">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
When you encrypt data using CSFLE, the data you encrypt is
stored as a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/mongodb-extended-json/#mongodb-bsontype-Binary">
<code class="leafygreen-ui-1l06pbn">
BinData
</code>
</a>
subtype 6 object that includes
the following metadata:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
_id
</code>
of the Data Encryption Key used to encrypt the data
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The encryption algorithm used to encrypt the data
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
Data Encryption Keys contain metadata that describes what Customer Master Key was used
to encrypt them.
</p>
<p class="leafygreen-ui-1kp3ins">
Drivers and
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
use this metadata to attempt
to automatically decrypt your data.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Automatic Decryption Process
<a class="headerlink leafygreen-ui-1kepx47" href="#automatic-decryption-process" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="automatic-decryption-process">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
To automatically decrypt your data, your CSFLE-enabled client
performs the following procedure:
</p>
<ol class="leafygreen-ui-rioki0" type="1">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Check the
<code class="leafygreen-ui-1l06pbn">
BinData
</code>
blob metadata of the field you intend to
decrypt for the Data Encryption Key and encryption algorithm used to encrypt
the value.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Check the Key Vault collection configured in the current database
connection for the specified Data Encryption Key. If the Key Vault collection
does not contain the specified key, automatic decryption fails and
the driver returns an error.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Check the Data Encryption Key metadata for the Customer Master Key
(CMK) used to encrypt the key material.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Decrypt the Data Encryption Key. This process varies by KMS provider:
</p>
<div aria-hidden="true">
</div>
<div class="leafygreen-ui-1b75luy" data-lgid="lg-tabs">
<div class="leafygreen-ui-jp7pox" id="tabs-6">
<div aria-label="Tabs to describe usage of aws/azure/gcp/kmip/local" aria-orientation="horizontal" class="leafygreen-ui-m8p1vb lg-ui-tab-list-0000" data-lgid="lg-tabs-tab_list" role="tablist">
<button aria-controls="_3hx5xjtcw" aria-selected="true" class="leafygreen-ui-1l773z1" data-text="" id="_xzfi0a2tm" name="" role="tab" tabindex="0">
<div class="leafygreen-ui-1nxuzmg">
AWS
</div>
</button>
<button aria-controls="_s1u5jua22" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_dlln0qog8" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
GCP
</div>
</button>
<button aria-controls="_vew5242y0" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_whsz8990u" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Azure
</div>
</button>
<button aria-controls="_1j2cpe8gg" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_q4jfnuq5i" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
KMIP
</div>
</button>
<button aria-controls="_cs5kxm3t0" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_78d72jwlq" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Local Key Provider
</div>
</button>
</div>
<div class="leafygreen-ui-ov1ktg">
<div class="leafygreen-ui-1sg2lsz">
</div>
</div>
</div>
<div class="lg-ui-tab-panels-0000" data-lgid="lg-tabs-tab_panels">
<div>
<div aria-labelledby="_5kzy2391h" class="" id="_kkr6021j8" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
For the Amazon Web Services (AWS) KMS, send the Data Encryption Key to
your AWS KMS instance for decryption. If the CMK does not exist
<em>
or
</em>
if the connection configuration does not grant access to
the CMK, decryption fails and the driver returns the encrypted
<code class="leafygreen-ui-1l06pbn">
BinData
</code>
blob.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
To learn how to use the Amazon Web Services KMS for
automatic encryption, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/csfle/tutorials/aws/aws-automatic/#std-label-csfle-tutorial-automatic-aws">
Use Automatic Client-Side Field Level Encryption with AWS
<!-- -->
.
</a>
</p>
</div>
</div>
</div>
</div>
</div>
<div>
<div aria-labelledby="_yo6yiz72g" class="leafygreen-ui-38lglc" id="_ep4vt615q" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
For the Google Cloud Platform (GCP) KMS, send the Data Encryption Key
to your GCP KMS instance for decryption. If the CMK does not
exist
<em>
or
</em>
if the connection configuration does not grant
access to the CMK, decryption fails and the driver returns the
encrypted
<code class="leafygreen-ui-1l06pbn">
BinData
</code>
blob.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
To learn how to use the Google Cloud Platform KMS for automatic
encryption, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/csfle/tutorials/gcp/gcp-automatic/#std-label-csfle-tutorial-automatic-gcp">
Use Automatic Client-Side Field Level Encryption with GCP
<!-- -->
.
</a>
</p>
</div>
</div>
</div>
</div>
</div>
<div>
<div aria-labelledby="_1pt84hqrw" class="leafygreen-ui-38lglc" id="_jvjw1bnbf" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
For the Azure Key Vault, send the Data Encryption Key to the your
Azure Key Vault instance for decryption. If the CMK does not exist
<em>
or
</em>
if the connection configuration does not grant access to
the CMK, decryption fails and the driver returns the
encrypted
<code class="leafygreen-ui-1l06pbn">
BinData
</code>
blob.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
To learn how to use the Azure Key Vault for automatic
encryption, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/csfle/tutorials/azure/azure-automatic/#std-label-csfle-tutorial-automatic-azure">
Use Automatic Client-Side Field Level Encryption with Azure
<!-- -->
.
</a>
</p>
</div>
</div>
</div>
</div>
</div>
<div>
<div aria-labelledby="_7g4n3cbsv" class="leafygreen-ui-38lglc" id="_s3znhcc3m" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
For a KMIP-compliant KMS, retrieve the CMK from the KMS and
then use the CMK locally to decrypt the Data Encryption Key. If the
CMK does not exist
<em>
or
</em>
if the connection configuration does
not grant access to the CMK, decryption fails and the driver
returns the encrypted
<code class="leafygreen-ui-1l06pbn">
BinData
</code>
blob.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
To learn how to use a KMIP-compliant KMS for automatic
encryption, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/csfle/tutorials/kmip/kmip-automatic/#std-label-csfle-tutorial-automatic-kmip">
Use Automatic Client-Side Field Level Encryption with KMIP
<!-- -->
.
</a>
</p>
</div>
</div>
</div>
</div>
</div>
<div>
<div aria-labelledby="_wtwmpcuq6" class="leafygreen-ui-38lglc" id="_n628yiynq" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
For a Local Key Provider, retrieve the CMK from your filesystem
and use it to decrypt the Data Encryption Key. If the local key specified in
the database configuration was not used to encrypt the
Data Encryption Key, decryption fails and the driver returns the
encrypted
<code class="leafygreen-ui-1l06pbn">
BinData
</code>
blob.
</p>
<div class="leafygreen-ui-1sjx7ru" role="note">
<h2 class="leafygreen-ui-29m78u">
Warning
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
Secure your Local Key File in Production
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
We recommend storing your Customer Master Keys in a remote
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://en.wikipedia.org/wiki/Key_management#Key_management_system" rel="noopener noreferrer">
<span>
Key Management System
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
(
<span class="leafygreen-ui-vm4wms" tabindex="0">
KMS
</span>
). To learn how to use
a remote
<span class="leafygreen-ui-vm4wms" tabindex="0">
KMS
</span>
in your Queryable Encryption implementation, see the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/queryable-encryption/tutorials/#std-label-qe-tutorial-automatic-encryption">
Tutorials
</a>
guide.
</p>
<p class="leafygreen-ui-1kp3ins">
If you choose to use a local key provider in production, exercise great
caution and do not store it on the file system. Consider injecting the key
into your client application using a sidecar process, or use another
approach that keeps the key secure.
</p>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Decrypt the
<code class="leafygreen-ui-1l06pbn">
BinData
</code>
value using the decrypted
Data Encryption Key and appropriate algorithm.
</p>
</li>
</ol>
<p class="leafygreen-ui-1kp3ins">
Applications with access to the MongoDB server that do not
<em>
also
</em>
have
access to the required CMK and Data Encryption Keys cannot
decrypt the
<code class="leafygreen-ui-1l06pbn">
BinData
</code>
values.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Automatically Encrypted Read Behavior
<a class="headerlink leafygreen-ui-1kepx47" href="#automatically-encrypted-read-behavior" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="automatically-encrypted-read-behavior">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
For read operations, the driver encrypts field values in the query
document using your encryption schema
<em>
prior
</em>
to issuing the read
operation.
</p>
<p class="leafygreen-ui-1kp3ins">
Your client application then uses the
<code class="leafygreen-ui-1l06pbn">
BinData
</code>
metadata to
automatically decrypt the document you receive from MongoDB.
</p>
<p class="leafygreen-ui-1kp3ins">
To learn more about encryption schemas, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/csfle/fundamentals/create-schema/#std-label-csfle-fundamentals-create-schema">
Encryption Schemas
<!-- -->
.
</a>
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Learn More
<a class="headerlink leafygreen-ui-1kepx47" href="#learn-more" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="learn-more">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
To learn how to configure the database connection for Client-Side Field Level Encryption, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/csfle/reference/csfle-options-clients/#std-label-csfle-reference-mongo-client">
MongoClient Options for CSFLE
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
To learn more about the relationship between Data Encryption Keys and
Customer Master Keys, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/queryable-encryption/fundamentals/keys-key-vaults/#std-label-qe-reference-keys-key-vaults">
Encryption Keys and Key Vaults
<!-- -->
.
</a>
</p>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/operator/aggregation/eq/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
$eq (aggregation)
<a class="headerlink leafygreen-ui-1kepx47" href="#-eq--aggregation-" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="-eq--aggregation-">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
<span>
Definition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#example" target="_self">
<span>
Example
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Definition
<a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="definition">
</div>
</a>
</h2>
<dl class="expression">
<dt>
<code class="leafygreen-ui-1l06pbn">
$eq
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-expression-exp.-eq" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-expression-exp.-eq">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Compares two values and returns:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
true
</code>
when the values are equivalent.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
false
</code>
when the values are not equivalent.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-expression-exp.-eq" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$eq
</code>
</span>
</a>
compares both value and type, using the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/bson-type-comparison-order/#std-label-bson-types-comparison-order">
specified BSON comparison order
</a>
for values of different types.
</p>
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
$eq
</code>
has this syntax:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ $eq: [ <expression1>, <expression2> ] }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">$eq</span>: <!-- -->[ <<!-- -->expression1<!-- -->><!-- -->,<!-- --> <!-- --><<!-- -->expression2<!-- -->> <!-- -->] }</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The arguments can be any valid
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/#std-label-aggregation-expressions">
expression
</a>
. For more information on expressions, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/#std-label-aggregation-expressions">
Expression Operators
<!-- -->
.
</a>
</p>
</dd>
</dl>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Example
<a class="headerlink leafygreen-ui-1kepx47" href="#example" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="example">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Create an
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection with these documents:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.inventory.insertMany( [\n { _id : 1, item : \"abc1\", description: \"product 1\", qty: 300 },\n { _id : 2, item : \"abc2\", description: \"product 2\", qty: 200 },\n { _id : 3, item : \"xyz1\", description: \"product 3\", qty: 250 },\n { _id : 4, item : \"VWZ1\", description: \"product 4\", qty: 300 },\n { _id : 5, item : \"VWZ2\", description: \"product 5\", qty: 180 }\n] )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">inventory</span>.<span class="lg-highlight-title lg-highlight-function">insertMany</span>( <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <!-- -->_id <!-- -->: <span class="lg-highlight-number">1</span>, <!-- -->item <!-- -->: <span class="lg-highlight-string">"abc1"</span>, <span class="lg-highlight-attr">description</span>: <span class="lg-highlight-string">"product 1"</span>, <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">300</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <!-- -->_id <!-- -->: <span class="lg-highlight-number">2</span>, <!-- -->item <!-- -->: <span class="lg-highlight-string">"abc2"</span>, <span class="lg-highlight-attr">description</span>: <span class="lg-highlight-string">"product 2"</span>, <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">200</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <!-- -->_id <!-- -->: <span class="lg-highlight-number">3</span>, <!-- -->item <!-- -->: <span class="lg-highlight-string">"xyz1"</span>, <span class="lg-highlight-attr">description</span>: <span class="lg-highlight-string">"product 3"</span>, <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">250</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <!-- -->_id <!-- -->: <span class="lg-highlight-number">4</span>, <!-- -->item <!-- -->: <span class="lg-highlight-string">"VWZ1"</span>, <span class="lg-highlight-attr">description</span>: <span class="lg-highlight-string">"product 4"</span>, <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">300</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <!-- -->_id <!-- -->: <span class="lg-highlight-number">5</span>, <!-- -->item <!-- -->: <span class="lg-highlight-string">"VWZ2"</span>, <span class="lg-highlight-attr">description</span>: <span class="lg-highlight-string">"product 5"</span>, <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">180</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">] )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Use the
<code class="leafygreen-ui-1l06pbn">
$eq
</code>
operator to determine if
<code class="leafygreen-ui-1l06pbn">
qty
</code>
equals
<code class="leafygreen-ui-1l06pbn">
250
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.inventory.aggregate(\n [\n {\n $project:\n {\n item: 1,\n qty: 1,\n qtyEq250: { $eq: [ \"$qty\", 250 ] },\n _id: 0\n }\n }\n ]\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">inventory</span>.<span class="lg-highlight-title lg-highlight-function">aggregate</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$project</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">item</span>: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">qtyEq250</span>: <!-- -->{ <span class="lg-highlight-attr">$eq</span>: <!-- -->[ <span class="lg-highlight-string">"$qty"</span>, <span class="lg-highlight-number">250</span> ] }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">0</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Output:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ item : \"abc1\", qty : 300, qtyEq250 : false }\n{ item : \"abc2\", qty : 200, qtyEq250 : false }\n{ item : \"xyz1\", qty : 250, qtyEq250 : true }\n{ item : \"VWZ1\", qty : 300, qtyEq250 : false }\n{ item : \"VWZ2\", qty : 180, qtyEq250 : false }","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <!-- -->item <!-- -->: <span class="lg-highlight-string">"abc1"</span>, <!-- -->qty <!-- -->: <span class="lg-highlight-number">300</span>, <!-- -->qtyEq250 <!-- -->: <span class="lg-highlight-literal">false</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{ <!-- -->item <!-- -->: <span class="lg-highlight-string">"abc2"</span>, <!-- -->qty <!-- -->: <span class="lg-highlight-number">200</span>, <!-- -->qtyEq250 <!-- -->: <span class="lg-highlight-literal">false</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{ <!-- -->item <!-- -->: <span class="lg-highlight-string">"xyz1"</span>, <!-- -->qty <!-- -->: <span class="lg-highlight-number">250</span>, <!-- -->qtyEq250 <!-- -->: <span class="lg-highlight-literal">true</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{ <!-- -->item <!-- -->: <span class="lg-highlight-string">"VWZ1"</span>, <!-- -->qty <!-- -->: <span class="lg-highlight-number">300</span>, <!-- -->qtyEq250 <!-- -->: <span class="lg-highlight-literal">false</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{ <!-- -->item <!-- -->: <span class="lg-highlight-string">"VWZ2"</span>, <!-- -->qty <!-- -->: <span class="lg-highlight-number">180</span>, <!-- -->qtyEq250 <!-- -->: <span class="lg-highlight-literal">false</span> }</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</section>
</section>
|
https://www.mongodb.com/docs/manual/tutorial/change-standalone-wiredtiger/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Change a Self-Managed Standalone to WiredTiger
<a class="headerlink leafygreen-ui-1kepx47" href="#change-a-self-managed-standalone-to-wiredtiger" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="change-a-self-managed-standalone-to-wiredtiger">
</div>
</a>
</h1>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
You must upgrade to WiredTiger. MongoDB removed the deprecated MMAPv1 storage
engine in version 4.2.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Use this tutorial to change the storage engine of a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-standalone">
standalone
</a>
MongoDB instance to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/wiredtiger/#std-label-storage-wiredtiger">
WiredTiger
<!-- -->
.
</a>
</p>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Considerations
<a class="headerlink leafygreen-ui-1kepx47" href="#considerations" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="considerations">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
<code class="leafygreen-ui-1l06pbn">
mongodump
</code>
and
<code class="leafygreen-ui-1l06pbn">
mongorestore
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodump-and-mongorestore" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodump-and-mongorestore">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
This tutorial uses the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/database-tools/mongodump/#mongodb-binary-bin.mongodump" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongodump
</code>
</span>
</a>
and
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/database-tools/mongorestore/#mongodb-binary-bin.mongorestore" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongorestore
</code>
</span>
</a>
utilities to export and import data.
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Ensure that these MongoDB package components are installed and
updated on your system.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Make sure you have sufficient drive space available for the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/database-tools/mongodump/#mongodb-binary-bin.mongodump" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongodump
</code>
</span>
</a>
export file and the data files of your new
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance running with WiredTiger.
</p>
</li>
</ul>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Default Bind to Localhost
<a class="headerlink leafygreen-ui-1kepx47" href="#default-bind-to-localhost" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="default-bind-to-localhost">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
MongoDB binaries,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
, bind to
<code class="leafygreen-ui-1l06pbn">
localhost
</code>
by default.
</p>
<p class="leafygreen-ui-1kp3ins">
The tutorial runs
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/database-tools/mongodump/#mongodb-binary-bin.mongodump" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongodump
</code>
</span>
</a>
and
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/database-tools/mongorestore/#mongodb-binary-bin.mongorestore" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongorestore
</code>
</span>
</a>
from the same host as the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
they are connecting to. If run remotely,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/database-tools/mongodump/#mongodb-binary-bin.mongodump" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongodump
</code>
</span>
</a>
and
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/database-tools/mongorestore/#mongodb-binary-bin.mongorestore" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongorestore
</code>
</span>
</a>
must specify
the ip address or the associated hostname in order to connect to the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
.
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
XFS and WiredTiger
<a class="headerlink leafygreen-ui-1kepx47" href="#xfs-and-wiredtiger" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="xfs-and-wiredtiger">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
With the WiredTiger storage engine, using XFS for data bearing nodes is
recommended on Linux. For more information, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/production-notes/#std-label-prod-notes-linux-file-system">
Kernel and File Systems
<!-- -->
.
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
MMAPv1 Only Restrictions
<a class="headerlink leafygreen-ui-1kepx47" href="#mmapv1-only-restrictions" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mmapv1-only-restrictions">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Once upgraded to WiredTiger, your WiredTiger deployment is
<strong>
not
</strong>
subject to the following MMAPv1-only restrictions:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
MMAPv1 Restrictions
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Short Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Number of Namespaces
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
For MMAPv1, the number of namespaces is limited to the size of
the namespace file divided by 628.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Size of Namespace File
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
For MMAPv1, namespace files can be no larger than 2047 megabytes.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Database Size
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The MMAPv1 storage engine limits each database to no more than
16000 data files.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Data Size
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
For MMAPv1, a single
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance cannot
manage a data set that exceeds maximum virtual memory address
space provided by the underlying operating system.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Number of Collections in a Database
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
For the MMAPv1 storage engine, the maximum number of collections
in a database is a function of the size of the namespace file
and the number of indexes of collections in the database.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Procedure
<a class="headerlink leafygreen-ui-1kepx47" href="#procedure" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="procedure">
</div>
</a>
</h2>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"Start the mongod you wish to change to WiredTiger.If mongod is already running, you can skip this step."},{"@type":"HowToStep","text":"Export data using mongodump.Specify additional options as appropriate, such as username and\npassword if running with authorization enabled. See\nmongodump for available options."},{"@type":"HowToStep","text":"Create a data directory for the new mongod running with WiredTiger.Create a data directory for the new mongod instance that\nwill run with the WiredTiger storage engine. mongod must have read\nand write permissions for this directory.mongod with WiredTiger will not start with data files created with\na different storage engine."},{"@type":"HowToStep","text":"Update configuration for WiredTiger.Remove any MMAPv1 configuration options from the mongod\ninstance configuration."},{"@type":"HowToStep","text":"Start mongod with WiredTiger.Start mongod, specifying wiredTiger as the\n--storageEngine and the newly\ncreated data directory for WiredTiger as the --dbpath.Specify additional options as appropriate, such as\n--bind_ip.Before you bind your instance to a publicly-accessible IP address,\nyou must secure your cluster from unauthorized access. For a complete\nlist of security recommendations, see\nSecurity Checklist for Self-Managed Deployments. At minimum, consider\nenabling authentication and hardening\nnetwork infrastructure.You can also specify the options in a configuration file. To specify the storage engine, use\nthe storage.engine setting."},{"@type":"HowToStep","text":"Upload the exported data using mongorestore.Specify additional options as appropriate. See\nmongorestore for available options."}],"name":"Procedure","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
</script>
<div class="css-4nyere eccljxs0">
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Start the
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
you wish to change to WiredTiger.
<a class="headerlink leafygreen-ui-1kepx47" href="#start-the-mongod-you-wish-to-change-to-wiredtiger" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="start-the-mongod-you-wish-to-change-to-wiredtiger">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
If
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
is already running, you can skip this step.
</p>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Export data using
<code class="leafygreen-ui-1l06pbn">
mongodump
</code>
.
<a class="headerlink leafygreen-ui-1kepx47" href="#export-data-using-mongodump" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="export-data-using-mongodump">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongodump --out=<exportdatadestination>\n","programmingLanguage":"Shell"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light shell leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongodump --out=<exportDataDestination></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Specify additional options as appropriate, such as username and
password if running with authorization enabled. See
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/database-tools/mongodump/#mongodb-binary-bin.mongodump" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongodump
</code>
</span>
</a>
for available options.
</p>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
3
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Create a data directory for the new
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
running with WiredTiger.
<a class="headerlink leafygreen-ui-1kepx47" href="#create-a-data-directory-for-the-new-mongod-running-with-wiredtiger" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="create-a-data-directory-for-the-new-mongod-running-with-wiredtiger">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Create a data directory for the new
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance that
will run with the WiredTiger storage engine.
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
must have read
and write permissions for this directory.
</p>
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
with WiredTiger will not start with data files created with
a different storage engine.
</p>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
4
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Update configuration for WiredTiger.
<a class="headerlink leafygreen-ui-1kepx47" href="#update-configuration-for-wiredtiger" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="update-configuration-for-wiredtiger">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Remove any MMAPv1 configuration options from the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance configuration.
</p>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
5
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Start
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
with WiredTiger.
<a class="headerlink leafygreen-ui-1kepx47" href="#start-mongod-with-wiredtiger" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="start-mongod-with-wiredtiger">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Start
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
, specifying
<code class="leafygreen-ui-1l06pbn">
wiredTiger
</code>
as the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--storageEngine">
<code class="leafygreen-ui-1l06pbn">
--storageEngine
</code>
</a>
and the newly
created data directory for WiredTiger as the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--dbpath">
<code class="leafygreen-ui-1l06pbn">
--dbpath
</code>
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
Specify additional options as appropriate, such as
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--bind_ip">
<code class="leafygreen-ui-1l06pbn">
--bind_ip
</code>
.
</a>
</p>
<div class="leafygreen-ui-1sjx7ru" role="note">
<h2 class="leafygreen-ui-29m78u">
Warning
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Before you bind your instance to a publicly-accessible IP address,
you must secure your cluster from unauthorized access. For a complete
list of security recommendations, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/security-checklist/#std-label-security-checklist">
Security Checklist for Self-Managed Deployments
</a>
. At minimum, consider
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/security-checklist/#std-label-checklist-auth">
enabling authentication
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/security-hardening/#std-label-network-config-hardening">
hardening
network infrastructure
<!-- -->
.
</a>
</p>
</div>
</div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongod --storageEngine wiredTiger --dbpath <newwiredtigerdbpath> --bind_ip localhost,<hostname(s)|ip>\n","programmingLanguage":"Shell"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light shell leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongod --storageEngine wiredTiger --dbpath <newWiredTigerDBPath> --bind_ip localhost,<hostname(s)|ip address(es)></td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
You can also specify the options in a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/">
configuration file
</a>
. To specify the storage engine, use
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-storage.engine">
<code class="leafygreen-ui-1l06pbn">
storage.engine
</code>
</a>
setting.
</p>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
6
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Upload the exported data using
<code class="leafygreen-ui-1l06pbn">
mongorestore
</code>
.
<a class="headerlink leafygreen-ui-1kepx47" href="#upload-the-exported-data-using-mongorestore" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="upload-the-exported-data-using-mongorestore">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongorestore <exportdatadestination>\n","programmingLanguage":"Shell"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light shell leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongorestore <exportDataDestination></td></tr></tbody></table></code></pre>
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Specify additional options as appropriate. See
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/database-tools/mongorestore/#mongodb-binary-bin.mongorestore" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongorestore
</code>
</span>
</a>
for available options.
</p>
</section>
</div>
</div>
</div>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/inconsistency-type/MissingRoutingTable/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
MissingRoutingTable
<a class="headerlink leafygreen-ui-1kepx47" href="#missingroutingtable" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="missingroutingtable">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#description" target="_self">
<span>
Description
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#format" target="_self">
<span>
Format
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#example" target="_self">
<span>
Example
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Description
<a class="headerlink leafygreen-ui-1kepx47" href="#description" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="description">
</div>
</a>
</h2>
<dl class="data">
<dt>
<code class="leafygreen-ui-1l06pbn">
MissingRoutingTable
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-data-MissingRoutingTable" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-data-MissingRoutingTable">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A sharded collection exists without a routing table.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
7.0
</em>
.
</p>
</div>
</dd>
</dl>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Format
<a class="headerlink leafygreen-ui-1kepx47" href="#format" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="format">
</div>
</a>
</h2>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n type: \"MissingRoutingTable\",\n description: \"<string>\",\n details: {\n namespace: \"<string>\",\n collectionUUID <uuid>\n }\n}","programmingLanguage":"JSON"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light json leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> type<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-string">"MissingRoutingTable"</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> description<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-string">"<string>"</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> details<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> namespace<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-string">"<string>"</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> collectionUUID <uuid></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">}</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-punctuation">}</span></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
MissingRoutingTable
</code>
inconsistency documents contain the following fields:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:30%"/>
<col style="width:25%"/>
<col style="width:45%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Field
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Type
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
type
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
string
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Type of inconsistency document. Returns a value of
<code class="leafygreen-ui-1l06pbn">
MissingRoutingTable
</code>
for this
inconsistency type.
</p>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
description
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
string
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Describes the inconsistency found in the metadata.
</p>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
details
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
document
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Document with additional information on where the inconsistency exists in the
database and sharded cluster.
</p>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
details.namespace
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
string
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Indicates the database and collection where the inconsistency exists.
</p>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
details.collectionUUID
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
UUID
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
UUID of the collection without the routing table.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Example
<a class="headerlink leafygreen-ui-1kepx47" href="#example" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="example">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.adminCommand/#mongodb-method-db.adminCommand">
<code class="leafygreen-ui-1l06pbn">
db.adminCommand()
</code>
</a>
method to call the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/checkMetadataConsistency/#mongodb-dbcommand-dbcmd.checkMetadataConsistency">
<code class="leafygreen-ui-1l06pbn">
checkMetadataConsistency
</code>
</a>
command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.adminCommand( { checkMetadataConsistency: 1 } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">adminCommand</span>( <!-- -->{ <span class="lg-highlight-attr">checkMetadataConsistency</span>: <span class="lg-highlight-number">1</span> } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The method returns a cursor with a batch of documents showing the inconsistencies
found in the sharding metadata. The example below shows a cursor with
a
<code class="leafygreen-ui-1l06pbn">
MissingRoutingTable
</code>
inconsistency document:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n cursor: {\n id: Long(\"0\"),\n ns: \"test.$cmd.aggregate\",\n firstBatch: [\n {\n type: \"MissingRoutingTable\",\n description: \"There is a sharded collection without routing table\",\n details: {\n namespace: \"test.authors\",\n collectionUUID: new UUID(\"1ad56770-61e2-48e9-83c6-8ecefe73cfc4\")\n }\n }\n ],\n },\n ok: 1\n}","programmingLanguage":"JSON"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-tyg50d">
<pre class="leafygreen-ui-1453az5" tabindex="0"><code class="lg-highlight-hljs-light json leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> cursor<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> id<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"0"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ns<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-string">"test.$cmd.aggregate"</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> firstBatch<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">[</span></td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">{</span></td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> type<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-string">"MissingRoutingTable"</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> description<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-string">"There is a sharded collection without routing table"</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> details<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span></td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> namespace<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-string">"test.authors"</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> collectionUUID<span class="lg-highlight-punctuation">:</span> new UUID(<span class="lg-highlight-string">"1ad56770-61e2-48e9-83c6-8ecefe73cfc4"</span>)</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">}</span></td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">}</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">]</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">}</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ok<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-number">1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-punctuation">}</span></td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/installation-ubuntu-community-troubleshooting/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Troubleshooting
<a class="headerlink leafygreen-ui-1kepx47" href="#troubleshooting" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="troubleshooting">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#errors-when-retrieving-the-public-key" target="_self">
<span>
Errors when retrieving the public key
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#errors-when-running-sudo-apt-update" target="_self">
<span>
Errors when running
<code class="css-1kekw28 e1wawog0">
sudo apt update
</code>
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#errors-when-running-sudo-apt-install--y-mongodb-org" target="_self">
<span>
Errors when running
<code class="css-1kekw28 e1wawog0">
sudo apt install -y mongodb-org
</code>
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#unable-to-install-package-due-to-dpkg-deb--error" target="_self">
<span>
Unable to install package due to
<code class="css-1kekw28 e1wawog0">
dpkg-deb: error
</code>
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#mongod-reports-errors-related-to-opening-a-socket" target="_self">
<span>
<code class="css-1kekw28 e1wawog0">
mongod
</code>
reports errors related to opening a socket
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#mongod-reports-errors-related-to-the-data-directory" target="_self">
<span>
<code class="css-1kekw28 e1wawog0">
mongod
</code>
reports errors related to the data directory
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Errors when retrieving the public key
<a class="headerlink leafygreen-ui-1kepx47" href="#errors-when-retrieving-the-public-key" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="errors-when-retrieving-the-public-key">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
During the
<span class="guilabel css-h15tq0">
Import the public key used by the package management system
</span>
step of the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/install-mongodb-on-ubuntu/#std-label-install-community-ubuntu-pkg">
Install MongoDB Community Edition
</a>
procedure, you may
encounter a
<code class="leafygreen-ui-1l06pbn">
"gpg: no valid OpenPGP data found."
</code>
error.
</p>
<p class="leafygreen-ui-1kp3ins">
Ensure you are copying the command exactly as documented. The operation
should respond with
<code class="leafygreen-ui-1l06pbn">
OK
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
To check that the MongoDB public GPG key exists on your system,
run the following command in the terminal:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo apt-key list"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo apt-key list</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The output should include an entry that resembles the following:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"/etc/apt/trusted.gpg\n--------------------\npub rsa4096 2018-04-18 [SC] [expires: 2023-04-17]\n E162 F504 A20C DF15 827F 718D 4B7C 549A 058F 8B6B\nuid [ unknown] MongoDB 8.0 Release Signing Key <[email protected]>"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-tyg50d">
<pre class="leafygreen-ui-1453az5" tabindex="0"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">/etc/apt/trusted.gpg</td></tr><tr class=""><td class="leafygreen-ui-7razhx">--------------------</td></tr><tr class=""><td class="leafygreen-ui-7razhx">pub rsa4096 2018-04-18 [SC] [expires: 2023-04-17]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> E162 F504 A20C DF15 827F 718D 4B7C 549A 058F 8B6B</td></tr><tr class=""><td class="leafygreen-ui-7razhx">uid [ unknown] MongoDB 8.0 Release Signing Key <[email protected]></td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Errors when running
<code class="leafygreen-ui-1l06pbn">
sudo apt update
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#errors-when-running-sudo-apt-update" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="errors-when-running-sudo-apt-update">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
You may encounter one or more errors that resemble the following
when running
<code class="leafygreen-ui-1l06pbn">
sudo apt-get update
</code>
as part of the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/install-mongodb-on-ubuntu/#std-label-install-community-ubuntu-pkg">
Install MongoDB Community Edition
</a>
procedure:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"W: GPG error: https://repo.mongodb.org/apt/ubuntu <release>/mongodb-org/8.0 Release: \\\n The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 4B7C549A058F8B6B\nE: The repository 'https://repo.mongodb.org/apt/ubuntu <release>/mongodb-org/8.0 Release' \\\n is not signed.\nN: Updating from such a repository can't be done securely, and is therefore disabled by default.\nN: See apt-secure(8) manpage for repository creation and user configuration details."}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-tyg50d">
<pre class="leafygreen-ui-1453az5" tabindex="0"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">W: GPG error: https://repo.mongodb.org/apt/ubuntu <release>/mongodb-org/8.0 Release: \</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 4B7C549A058F8B6B</td></tr><tr class=""><td class="leafygreen-ui-7razhx">E: The repository 'https://repo.mongodb.org/apt/ubuntu <release>/mongodb-org/8.0 Release' \</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> is not signed.</td></tr><tr class=""><td class="leafygreen-ui-7razhx">N: Updating from such a repository can't be done securely, and is therefore disabled by default.</td></tr><tr class=""><td class="leafygreen-ui-7razhx">N: See apt-secure(8) manpage for repository creation and user configuration details.</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
These errors indicate that the MongoDB Public GPG key was not
added in step
<span class="guilabel css-h15tq0">
Import the public key used by the package management system
</span>
of the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/install-mongodb-on-ubuntu/#std-label-install-community-ubuntu-pkg">
Install MongoDB Community Edition
</a>
procedure.
</p>
<p class="leafygreen-ui-1kp3ins">
Repeating the
<span class="guilabel css-h15tq0">
Import the public key used by the package management system
</span>
step of the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/install-mongodb-on-ubuntu/#std-label-install-community-ubuntu-pkg">
Install MongoDB Community Edition
</a>
procedure typically resolves this
issue. Ensure you are copying the command and key exactly as documented.
</p>
<p class="leafygreen-ui-1kp3ins">
You can validate that the MongoDB public GPG key exists on your system
by running the following command in the terminal:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo apt-key list"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo apt-key list</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The output should include an entry that resembles the following:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"--------------------\npub rsa4096 2018-04-18 [SC] [expires: 2023-04-17]\n E162 F504 A20C DF15 827F 718D 4B7C 549A 058F 8B6B\nuid [ unknown] MongoDB 8.0 Release Signing Key <[email protected]>"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-tyg50d">
<pre class="leafygreen-ui-1453az5" tabindex="0"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">--------------------</td></tr><tr class=""><td class="leafygreen-ui-7razhx">pub rsa4096 2018-04-18 [SC] [expires: 2023-04-17]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> E162 F504 A20C DF15 827F 718D 4B7C 549A 058F 8B6B</td></tr><tr class=""><td class="leafygreen-ui-7razhx">uid [ unknown] MongoDB 8.0 Release Signing Key <[email protected]></td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Errors when running
<code class="leafygreen-ui-1l06pbn">
sudo apt install -y mongodb-org
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#errors-when-running-sudo-apt-install--y-mongodb-org" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="errors-when-running-sudo-apt-install--y-mongodb-org">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
You may encounter an error that resembles the following when running
<code class="leafygreen-ui-1l06pbn">
sudo apt install -y mongodb-org
</code>
in step
<span class="guilabel css-h15tq0">
Create a list file for MongoDB
</span>
of the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/install-mongodb-on-ubuntu/#std-label-install-community-ubuntu-pkg">
Install MongoDB Community Edition
</a>
procedure:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"Reading package lists... Done\nBuilding dependency tree\nReading state information... Done\nE: Unable to locate package mongodb-org"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">Reading package lists... Done</td></tr><tr class=""><td class="leafygreen-ui-7razhx">Building dependency tree</td></tr><tr class=""><td class="leafygreen-ui-7razhx">Reading state information... Done</td></tr><tr class=""><td class="leafygreen-ui-7razhx">E: Unable to locate package mongodb-org</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
This error indicates that the
<code class="leafygreen-ui-1l06pbn">
/etc/apt/sources.list.d/mongodb-org-8.0.list
</code>
may be configured incorrectly or is missing.
</p>
<p class="leafygreen-ui-1kp3ins">
To review the contents of the
<code class="leafygreen-ui-1l06pbn">
mongodb-org-8.0.list
</code>
file,
run the following command in the terminal or shell:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"cat /etc/apt/sources.list.d/mongodb-org-8.0.list"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">cat /etc/apt/sources.list.d/mongodb-org-8.0.list</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
If the file contents do not exactly match the documentation for
your Ubuntu version in the step linked above, remove the file and
repeat the
<span class="guilabel css-h15tq0">
Create a list file for MongoDB
</span>
step.
If the file does not exist, create it as part of that step.
</p>
<p class="leafygreen-ui-1kp3ins">
Once you have validated that the
<code class="leafygreen-ui-1l06pbn">
mongodb-org-8.0.list
</code>
file exists and has the correct contents, run
<code class="leafygreen-ui-1l06pbn">
sudo apt update
</code>
to update the
<code class="leafygreen-ui-1l06pbn">
apt
</code>
repositories and
retry
<code class="leafygreen-ui-1l06pbn">
sudo apt install -y mongodb-org
</code>
.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Unable to install package due to
<code class="leafygreen-ui-1l06pbn">
dpkg-deb: error
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#unable-to-install-package-due-to-dpkg-deb--error" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="unable-to-install-package-due-to-dpkg-deb--error">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
You may encounter an error that resembles the following when
installing the
<code class="leafygreen-ui-1l06pbn">
mongodb-org
</code>
package:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"dpkg: error processing archive /var/cache/apt/archives/mongodb-org-server_8.0.0_amd64.deb (--unpack):\ntrying to overwrite '/usr/bin/mongod', which is also in package mongodb-server-core 1:3.6.3-0ubuntu1"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-tyg50d">
<pre class="leafygreen-ui-1453az5" tabindex="0"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">dpkg: error processing archive /var/cache/apt/archives/mongodb-org-server_8.0.0_amd64.deb (--unpack):</td></tr><tr class=""><td class="leafygreen-ui-7razhx">trying to overwrite '/usr/bin/mongod', which is also in package mongodb-server-core 1:3.6.3-0ubuntu1</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
This error indicates that the system already had the
<!-- -->
Ubuntu
<!-- -->
<code class="leafygreen-ui-1l06pbn">
mongodb
</code>
package installed prior to installing the official
MongoDB Inc.
<code class="leafygreen-ui-1l06pbn">
mongodb-org
</code>
packages. To confirm wheter the
host has the
<!-- -->
Ubuntu
<!-- -->
<code class="leafygreen-ui-1l06pbn">
mongodb
</code>
package installed, run the
following command in a terminal or shell:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo apt list --installed | grep mongo"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo apt list --installed | grep mongo</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
If your output resembles the following, you
<strong>
must
</strong>
uninstall
the
<!-- -->
Ubuntu
<!-- -->
<code class="leafygreen-ui-1l06pbn">
mongodb
</code>
package before retrying the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/install-mongodb-on-ubuntu/#std-label-install-community-ubuntu-pkg">
Install MongoDB Community Edition
</a>
procedure:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongodb/bionic,now 1:3.6.3-0ubuntu1 amd64 [installed]\nmongodb-clients/bionic,now 1:3.6.3-0ubuntu1 amd64 [installed,automatic]\nmongodb-server/bionic,bionic,now 1:3.6.3-0ubuntu1 all [installed,automatic]\nmongodb-server-core/bionic,now 1:3.6.3-0ubuntu1 amd64 [installed,automatic]"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-tyg50d">
<pre class="leafygreen-ui-1453az5" tabindex="0"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongodb/bionic,now 1:3.6.3-0ubuntu1 amd64 [installed]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">mongodb-clients/bionic,now 1:3.6.3-0ubuntu1 amd64 [installed,automatic]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">mongodb-server/bionic,bionic,now 1:3.6.3-0ubuntu1 all [installed,automatic]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">mongodb-server-core/bionic,now 1:3.6.3-0ubuntu1 amd64 [installed,automatic]</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Run the following commands in a terminal or shell to fully remove the
<!-- -->
Ubuntu
<!-- -->
<code class="leafygreen-ui-1l06pbn">
mongodb
</code>
package before retrying the installation
procedure:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo apt remove mongodb\nsudo apt purge mongodb\nsudo apt autoremove"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo apt remove mongodb</td></tr><tr class=""><td class="leafygreen-ui-7razhx">sudo apt purge mongodb</td></tr><tr class=""><td class="leafygreen-ui-7razhx">sudo apt autoremove</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
sudo apt purge mongodb
</code>
removes any default configuration files
installed by the
<!-- -->
Ubuntu
<!-- -->
<code class="leafygreen-ui-1l06pbn">
mongodb
</code>
package. If you have
modified these configuration files
<em>
and
</em>
want to keep those
modifications, copy the files to another directory such as
<code class="leafygreen-ui-1l06pbn">
/home/your-user-name
</code>
.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
If your output includes a mix of
<code class="leafygreen-ui-1l06pbn">
mongodb-org
</code>
and
<code class="leafygreen-ui-1l06pbn">
mongodb
</code>
binaries, you may need to first
<code class="leafygreen-ui-1l06pbn">
apt remove
</code>
,
<code class="leafygreen-ui-1l06pbn">
apt
purge
</code>
, and
<code class="leafygreen-ui-1l06pbn">
apt autoremove
</code>
the
<code class="leafygreen-ui-1l06pbn">
mongodb-org
</code>
package
before attempting to remove and purge the
<!-- -->
Ubuntu
<!-- -->
<code class="leafygreen-ui-1l06pbn">
mongodb
</code>
package. After clearing all MongoDB-related packages, retry the
installation procedure.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
reports errors related to opening a socket
<a class="headerlink leafygreen-ui-1kepx47" href="#mongod-reports-errors-related-to-opening-a-socket" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongod-reports-errors-related-to-opening-a-socket">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
You may encounter the
<code class="leafygreen-ui-1l06pbn">
Socket is already in use
</code>
or
<code class="leafygreen-ui-1l06pbn">
Failed to unlink socket file
</code>
errors when starting a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
. These errors generally indicate
another process using the configured port for the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
process, typically another
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
running on the system.
</p>
<p class="leafygreen-ui-1kp3ins">
The following example uses the
<code class="leafygreen-ui-1l06pbn">
ss
</code>
utility to list all open
TCP (
<code class="leafygreen-ui-1l06pbn">
-t
</code>
) or UDP (
<code class="leafygreen-ui-1l06pbn">
-u
</code>
) sockets in the
<code class="leafygreen-ui-1l06pbn">
LISTEN
</code>
(
<code class="leafygreen-ui-1l06pbn">
-l
</code>
) state
and the process using each socket (
<code class="leafygreen-ui-1l06pbn">
-p
</code>
)
without resolving any service names or hostnames (
<code class="leafygreen-ui-1l06pbn">
-n
</code>
).
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo ss -tulpn"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo ss -tulpn</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The following partial output shows a
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
process
listening on the
<code class="leafygreen-ui-1l06pbn">
27017
</code>
port. Attempting to run another
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
process on that same port will result in socket errors.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"Netid State Local Address:Port\nudp UNCONN 127.0.0.53%lo:53 users:((\"systemd-resolve\",pid=663,fd=12))\nudp UNCONN 10.1.16.87%enp0s3:68 users:((\"systemd-network\",pid=652,fd=15))\ntcp LISTEN 127.0.0.53%lo:53 users:((\"systemd-resolve\",pid=663,fd=13))\ntcp LISTEN 0.0.0.0:22 users:((\"sshd\",pid=819,fd=3))\ntcp LISTEN 192.168.1.15:27017 users:((\"mongod\",pid=10027,fd=12))\ntcp LISTEN 127.0.0.1:27017 users:((\"mongod\",pid=10027,fd=11))\ntcp LISTEN ::]:22 users:((\"sshd\",pid=819,fd=4))"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-tyg50d">
<pre class="leafygreen-ui-1453az5" tabindex="0"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">Netid State Local Address:Port</td></tr><tr class=""><td class="leafygreen-ui-7razhx">udp UNCONN 127.0.0.53%lo:53 users:(("systemd-resolve",pid=663,fd=12))</td></tr><tr class=""><td class="leafygreen-ui-7razhx">udp UNCONN 10.1.16.87%enp0s3:68 users:(("systemd-network",pid=652,fd=15))</td></tr><tr class=""><td class="leafygreen-ui-7razhx">tcp LISTEN 127.0.0.53%lo:53 users:(("systemd-resolve",pid=663,fd=13))</td></tr><tr class=""><td class="leafygreen-ui-7razhx">tcp LISTEN 0.0.0.0:22 users:(("sshd",pid=819,fd=3))</td></tr><tr class=""><td class="leafygreen-ui-7razhx">tcp LISTEN 192.168.1.15:27017 users:(("mongod",pid=10027,fd=12))</td></tr><tr class=""><td class="leafygreen-ui-7razhx">tcp LISTEN 127.0.0.1:27017 users:(("mongod",pid=10027,fd=11))</td></tr><tr class=""><td class="leafygreen-ui-7razhx">tcp LISTEN ::]:22 users:(("sshd",pid=819,fd=4))</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
If the system has a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
or other system
process running on your desired port, you must either shut the
existing process down
<em>
or
</em>
select a new port for the new
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
process. You can specify the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.port">
<code class="leafygreen-ui-1l06pbn">
net.port
</code>
</a>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/configuration/#std-label-configuration-file">
configuration file
</a>
option to change the port that the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
listens on.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
reports errors related to the data directory
<a class="headerlink leafygreen-ui-1kepx47" href="#mongod-reports-errors-related-to-the-data-directory" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongod-reports-errors-related-to-the-data-directory">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Users may encounter errors that resemble the following in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/monitoring/#std-label-monitoring-standard-loggging">
process log
<!-- -->
:
</a>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"Data directory ... not found\n\nAttempted to create lock file on a read-only directory: ..."}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">Data directory ... not found</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">Attempted to create lock file on a read-only directory: ...</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Generally, these errors indicate that the MongoDB data directory
either doesn't exist, or isn't accessible to the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
.
</a>
</p>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
The data directory must exist
<a class="headerlink leafygreen-ui-1kepx47" href="#the-data-directory-must-exist" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="the-data-directory-must-exist">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The data directory is specified with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-storage.dbPath">
<code class="leafygreen-ui-1l06pbn">
storage.dbPath
</code>
</a>
setting in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/configuration/#std-label-configuration-file">
configuration file
</a>
, or
with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--dbpath">
<code class="leafygreen-ui-1l06pbn">
--dbpath
</code>
</a>
option to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
on the command line.
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If you installed MongoDB through the
<code class="leafygreen-ui-1l06pbn">
apt
</code>
package manager, the default
<code class="leafygreen-ui-1l06pbn">
/etc/mongod.conf
</code>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/configuration/#std-label-configuration-file">
configuration file
</a>
sets
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-storage.dbPath">
<code class="leafygreen-ui-1l06pbn">
storage.dbPath
</code>
</a>
to
<code class="leafygreen-ui-1l06pbn">
/var/lib/mongodb
</code>
.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If you are running
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
on the command
line, and omitting the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--dbpath">
<code class="leafygreen-ui-1l06pbn">
--dbpath
</code>
</a>
option
entirely, MongoDB uses a default
<code class="leafygreen-ui-1l06pbn">
--dbpath
</code>
of
<code class="leafygreen-ui-1l06pbn">
/data/db
</code>
.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
Whether you are using one of the data directory paths above, or
providing your own path in the configuration file or on the command
line, make sure that the data directory exists on your filesystem
prior to starting the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
. You can create
directories on Ubuntu with the
<code class="leafygreen-ui-1l06pbn">
mkdir
</code>
command.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
The data directory must be accessible
<a class="headerlink leafygreen-ui-1kepx47" href="#the-data-directory-must-be-accessible" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="the-data-directory-must-be-accessible">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The data directory must be configured with the appropriate
permissions and ownership settings to allow the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
to read, write, and
navigate the directory contents (
<code class="leafygreen-ui-1l06pbn">
rwx
</code>
user or group permissions).
</p>
<p class="leafygreen-ui-1kp3ins">
Use
<code class="leafygreen-ui-1l06pbn">
chown
</code>
, and
<code class="leafygreen-ui-1l06pbn">
chmod
</code>
to modify permissions and set
<code class="leafygreen-ui-1l06pbn">
user:group
</code>
ownership as appropriate prior to starting the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
.
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Starting
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
using the data directory
<a class="headerlink leafygreen-ui-1kepx47" href="#starting-mongod-using-the-data-directory" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="starting-mongod-using-the-data-directory">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Users starting the
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
as a service (e.g. using either
<code class="leafygreen-ui-1l06pbn">
sudo
systemctl start mongod
</code>
or
<code class="leafygreen-ui-1l06pbn">
sudo service mongod start
</code>
) typically
only see these errors if they modified the default
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-storage.dbPath">
<code class="leafygreen-ui-1l06pbn">
dbPath
</code>
</a>
value in the
<code class="leafygreen-ui-1l06pbn">
/etc/mongod.conf
</code>
to:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
A directory that does not allow the
<code class="leafygreen-ui-1l06pbn">
mongodb
</code>
user or
<code class="leafygreen-ui-1l06pbn">
mongodb
</code>
group to read, write, or execute (
<code class="leafygreen-ui-1l06pbn">
rwx
</code>
) the directory and its
contents,
<em>
or
</em>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
A directory that does not exist.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
Users starting the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
without using the
service definition (e.g. using the terminal to launch
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
)
typically see these errors if:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The directory specified to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-storage.dbPath">
<code class="leafygreen-ui-1l06pbn">
dbPath
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--dbpath">
<code class="leafygreen-ui-1l06pbn">
--dbpath
</code>
</a>
does not allow the user or a
group to which the user belongs to read, write, and execute
(
<code class="leafygreen-ui-1l06pbn">
rwx
</code>
) the directory or its contents,
<em>
or
</em>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The specified data directory does not exist.
</p>
</li>
</ul>
</section>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/method/db.version/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
db.version()
<a class="headerlink leafygreen-ui-1kepx47" href="#db.version--" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="db.version--">
</div>
</a>
</h1>
<dl class="method">
<dt>
<code class="leafygreen-ui-1l06pbn">
db.version()
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-method-db.version" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-method-db.version">
</div>
</a>
</dt>
<dd>
<table class="css-11h39yh e1nex8bq0">
<colgroup>
<col class="field-name"/>
<col class="field-body"/>
</colgroup>
<tbody>
<tr class="css-x8snli">
<th>
Returns
<!-- -->
:
</th>
<td>
The version of the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance.
</td>
</tr>
</tbody>
</table>
</dd>
</dl>
</section>
|
https://www.mongodb.com/docs/manual/reference/command/abortTransaction/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
abortTransaction
<a class="headerlink leafygreen-ui-1kepx47" href="#aborttransaction" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="aborttransaction">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
<span>
Definition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#compatibility" target="_self">
<span>
Compatibility
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#syntax" target="_self">
<span>
Syntax
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#behavior" target="_self">
<span>
Behavior
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Definition
<a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="definition">
</div>
</a>
</h2>
<dl class="dbcommand">
<dt>
<code class="leafygreen-ui-1l06pbn">
abortTransaction
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-dbcommand-dbcmd.abortTransaction" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-dbcommand-dbcmd.abortTransaction">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Terminates the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/">
multi-document transaction
</a>
and rolls back any data changes made by the
operations within the transaction. That is, the transaction ends
without saving any of the changes made by the operations in the
transaction.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
In
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#std-program-mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
, this command can also be run through the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/Session.abortTransaction/#mongodb-method-Session.abortTransaction">
<code class="leafygreen-ui-1l06pbn">
Session.abortTransaction()
</code>
</a>
helper method
<!-- -->
.
</p>
<p class="leafygreen-ui-1kp3ins">
Helper methods are convenient for
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#std-program-mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
users, but they may not
return the same level of information as database commands. In cases where
the convenience is not needed or the additional return fields are required,
use the database command.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
To run the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.abortTransaction" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
abortTransaction
</code>
</span>
</a>
, the command must be run
against the
<code class="leafygreen-ui-1l06pbn">
admin
</code>
database and run within a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/Session/#mongodb-method-Session">
<code class="leafygreen-ui-1l06pbn">
Session()
</code>
.
</a>
</p>
</dd>
</dl>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Compatibility
<a class="headerlink leafygreen-ui-1kepx47" href="#compatibility" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="compatibility">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
This command is available in deployments hosted in the following environments:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas?tck=docs_server" target="_self">
<span>
MongoDB Atlas
</span>
</a>
: The fully
managed service for MongoDB deployments in the cloud
</p>
</li>
</ul>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
This command is supported in all MongoDB Atlas clusters.
For information on Atlas support for all commands, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/unsupported-commands/" target="_self">
<span>
Unsupported Commands
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-enterprise/#std-label-install-mdb-enterprise">
MongoDB Enterprise
</a>
: The
subscription-based, self-managed version of MongoDB
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-community/#std-label-install-mdb-community-edition">
MongoDB Community
</a>
: The
source-available, free-to-use, and self-managed version of MongoDB
</p>
</li>
</ul>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Syntax
<a class="headerlink leafygreen-ui-1kepx47" href="#syntax" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="syntax">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The command has the following syntax:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.adminCommand(\n {\n abortTransaction: 1,\n txnNumber: <long>,\n writeConcern: <document>,\n autocommit: false,\n comment: <any>\n }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">adminCommand</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">abortTransaction</span>: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">txnNumber</span>: <<!-- -->long<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">writeConcern</span>: <<span class="lg-highlight-variable lg-highlight-language">document</span>><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">autocommit</span>: <span class="lg-highlight-literal">false</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">comment</span>: <<!-- -->any<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Behavior
<a class="headerlink leafygreen-ui-1kepx47" href="#behavior" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="behavior">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Atomicity
<a class="headerlink leafygreen-ui-1kepx47" href="#atomicity" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="atomicity">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
When a transaction aborts, all data changes made by the writes in the
transaction are discarded without ever becoming visible and the
transaction ends.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Security
<a class="headerlink leafygreen-ui-1kepx47" href="#security" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="security">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
If running with
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/auditing/#std-label-auditing">
auditing
</a>
, operations in an
aborted transaction are still audited.
</p>
</section>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/method/db.collection.unhideIndex/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
db.collection.unhideIndex()
<a class="headerlink leafygreen-ui-1kepx47" href="#db.collection.unhideindex--" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="db.collection.unhideindex--">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
<span>
Definition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#syntax" target="_self">
<span>
Syntax
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#behavior" target="_self">
<span>
Behavior
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#required-access" target="_self">
<span>
Required Access
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#example" target="_self">
<span>
Example
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Definition
<a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="definition">
</div>
</a>
</h2>
<dl class="method">
<dt>
<code class="leafygreen-ui-1l06pbn">
db.collection.unhideIndex()
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-method-db.collection.unhideIndex" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-method-db.collection.unhideIndex">
</div>
</a>
</dt>
<dd>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
mongosh Method
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
This page documents a
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
method. This is
<em>
not
</em>
the documentation for database commands or language-specific drivers,
such as Node.js.
</p>
<p class="leafygreen-ui-1kp3ins">
For the database command, see the
<code class="leafygreen-ui-1l06pbn">
index.hidden
</code>
collection option set using the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/collMod/#mongodb-dbcommand-dbcmd.collMod">
<code class="leafygreen-ui-1l06pbn">
collMod
</code>
</a>
command
<!-- -->
.
</p>
<p class="leafygreen-ui-1kp3ins">
For MongoDB API drivers, refer to the language-specific
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/drivers/" target="_self">
<span>
MongoDB driver documentation
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Unhides an existing index from the query planner. Once unhidden, the
indexes are immediately available for use.
</p>
</dd>
</dl>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Syntax
<a class="headerlink leafygreen-ui-1kepx47" href="#syntax" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="syntax">
</div>
</a>
</h2>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.collection.unhideIndex(<index>)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">collection</span>.<span class="lg-highlight-title lg-highlight-function">unhideIndex</span>(<<!-- -->index<!-- -->><!-- -->)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Parameters
<a class="headerlink leafygreen-ui-1kepx47" href="#parameters" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="parameters">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.collection.unhideIndex" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.collection.unhideIndex()
</code>
</span>
</a>
method takes the following
parameter:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:20%"/>
<col style="width:80%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Parameter
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Type
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
index
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
string or document
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Specifies the index to unhide from the query planner. You can
specify the index either by the index name or by the index
specification document.
</p>
<p class="leafygreen-ui-1kp3ins">
To find the index name or index specification document, you can use
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.getIndexes/#mongodb-method-db.collection.getIndexes">
<code class="leafygreen-ui-1l06pbn">
db.collection.getIndexes()
</code>
</a>
method.
</p>
<p class="leafygreen-ui-1kp3ins">
To unhide a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/indexes/index-types/index-text/#std-label-index-type-text">
text
</a>
index, specify the
index name.
</p>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.collection.unhideIndex" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.collection.unhideIndex()
</code>
</span>
</a>
is a
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
shell
wrapper for the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/collMod/#mongodb-dbcommand-dbcmd.collMod">
<code class="leafygreen-ui-1l06pbn">
collMod
</code>
</a>
command.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Behavior
<a class="headerlink leafygreen-ui-1kepx47" href="#behavior" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="behavior">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Index Modifications Reset Statistics
<a class="headerlink leafygreen-ui-1kepx47" href="#index-modifications-reset-statistics" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="index-modifications-reset-statistics">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Unhiding a hidden index resets its
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/indexStats/#mongodb-pipeline-pipe.-indexStats">
<code class="leafygreen-ui-1l06pbn">
$indexStats
</code>
.
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
No-op
<a class="headerlink leafygreen-ui-1kepx47" href="#no-op" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="no-op">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Unhiding an already unhidden index has no effect on the index. However,
the operation will still generate an empty oplog entry.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Required Access
<a class="headerlink leafygreen-ui-1kepx47" href="#required-access" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="required-access">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
If the deployment enforces authentication/authorization, you must have
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#mongodb-authaction-collMod">
<code class="leafygreen-ui-1l06pbn">
collMod
</code>
</a>
privilege in the collection's database.
</p>
<p class="leafygreen-ui-1kp3ins">
The built-in role
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/built-in-roles/#mongodb-authrole-dbAdmin">
<code class="leafygreen-ui-1l06pbn">
dbAdmin
</code>
</a>
provides the required privileges.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Example
<a class="headerlink leafygreen-ui-1kepx47" href="#example" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="example">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The following example unhides an existing index.
</p>
<p class="leafygreen-ui-1kp3ins">
First, use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.createIndex/#mongodb-method-db.collection.createIndex">
<code class="leafygreen-ui-1l06pbn">
db.collection.createIndex()
</code>
</a>
to create a hidden
index:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.restaurants.createIndex( { borough: 1, ratings: 1 }, { hidden: true } );","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">restaurants</span>.<span class="lg-highlight-title lg-highlight-function">createIndex</span>( <!-- -->{ <span class="lg-highlight-attr">borough</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">ratings</span>: <span class="lg-highlight-number">1</span> }<!-- -->, <!-- -->{ <span class="lg-highlight-attr">hidden</span>: <span class="lg-highlight-literal">true</span> } )<!-- -->;</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
To verify, run
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.getIndexes/#mongodb-method-db.collection.getIndexes">
<code class="leafygreen-ui-1l06pbn">
db.collection.getIndexes()
</code>
</a>
on the
<code class="leafygreen-ui-1l06pbn">
restaurants
</code>
collection:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.restaurants.getIndexes();","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">restaurants</span>.<span class="lg-highlight-title lg-highlight-function">getIndexes</span>(<!-- -->)<!-- -->;</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The operation returns the following information:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"[\n {\n \"v\" : 2,\n \"key\" : {\n \"_id\" : 1\n },\n \"name\" : \"_id_\"\n },\n {\n \"v\" : 2,\n \"key\" : {\n \"borough\" : 1,\n \"ratings\" : 1\n },\n \"name\" : \"borough_1_ratings_1\",\n \"hidden\" : true\n }\n]","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"v"</span> <!-- -->: <span class="lg-highlight-number">2</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"key"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">1</span></td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"name"</span> <!-- -->: <span class="lg-highlight-string">"_id_"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"v"</span> <!-- -->: <span class="lg-highlight-number">2</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"key"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"borough"</span> <!-- -->: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"ratings"</span> <!-- -->: <span class="lg-highlight-number">1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"name"</span> <!-- -->: <span class="lg-highlight-string">"borough_1_ratings_1"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"hidden"</span> <!-- -->: <span class="lg-highlight-literal">true</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">]</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The index option
<code class="leafygreen-ui-1l06pbn">
hidden
</code>
is only returned if the value is
<code class="leafygreen-ui-1l06pbn">
true
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
To unhide the index, you can specify either the index key specification
document or the index name to the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.collection.unhideIndex" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.collection.unhideIndex()
</code>
</span>
</a>
method. The following specifies the index name:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.restaurants.unhideIndex( \"borough_1_ratings_1\" );","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">restaurants</span>.<span class="lg-highlight-title lg-highlight-function">unhideIndex</span>( <span class="lg-highlight-string">"borough_1_ratings_1"</span> )<!-- -->;</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
To verify, run
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.getIndexes/#mongodb-method-db.collection.getIndexes">
<code class="leafygreen-ui-1l06pbn">
db.collection.getIndexes()
</code>
</a>
on the
<code class="leafygreen-ui-1l06pbn">
restaurants
</code>
collection:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.restaurants.getIndexes()","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">restaurants</span>.<span class="lg-highlight-title lg-highlight-function">getIndexes</span>(<!-- -->)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The operation returns the following information:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"[\n {\n \"v\" : 2,\n \"key\" : {\n \"_id\" : 1\n },\n \"name\" : \"_id_\"\n },\n {\n \"v\" : 2,\n \"key\" : {\n \"borough\" : 1,\n \"ratings\" : 1\n },\n \"name\" : \"borough_1_ratings_1\"\n }\n]","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"v"</span> <!-- -->: <span class="lg-highlight-number">2</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"key"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"name"</span> <!-- -->: <span class="lg-highlight-string">"_id_"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"v"</span> <!-- -->: <span class="lg-highlight-number">2</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"key"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"borough"</span> <!-- -->: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"ratings"</span> <!-- -->: <span class="lg-highlight-number">1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"name"</span> <!-- -->: <span class="lg-highlight-string">"borough_1_ratings_1"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">]</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The index option
<code class="leafygreen-ui-1l06pbn">
hidden
</code>
no longer appears as part of the
<code class="leafygreen-ui-1l06pbn">
borough_1_ratings_1
</code>
index since the field is only returned if the
value is
<code class="leafygreen-ui-1l06pbn">
true
</code>
.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.hideIndex/#mongodb-method-db.collection.hideIndex">
<code class="leafygreen-ui-1l06pbn">
db.collection.hideIndex()
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.createIndex/#std-label-method-createIndex-hidden">
db.collection.createIndex()
</a>
</p>
</li>
</ul>
</div>
</div>
</section>
</section>
|
https://www.mongodb.com/docs/manual/tutorial/convert-replica-set-to-embedded-config-server/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Convert a Replica Set to a Sharded Cluster with an Embedded Config Server
<a class="headerlink leafygreen-ui-1kepx47" href="#convert-a-replica-set-to-a-sharded-cluster-with-an-embedded-config-server" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="convert-a-replica-set-to-a-sharded-cluster-with-an-embedded-config-server">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#about-this-task" target="_self">
<span>
About this Task
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#steps" target="_self">
<span>
Steps
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#learn-more" target="_self">
<span>
Learn More
</span>
</a>
</li>
</ul>
</div>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, you can configure a config server to store your
application data in addition to the usual
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-sharded-cluster">
sharded cluster
</a>
metadata.
A config server that stores application data is called a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/config-shard/#std-label-config-shard-concept">
config shard
</a>
or embedded config server.
</p>
<p class="leafygreen-ui-1kp3ins">
Converting your replica set into a sharded cluster with an embedded config
server can reduce:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The number of nodes required in your deployment.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Complexity for maintaining one-shard clusters.
</p>
</li>
</ul>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
About this Task
<a class="headerlink leafygreen-ui-1kepx47" href="#about-this-task" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="about-this-task">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
You can't directly convert a replica set to a config shard. To convert a
replica set to an embedded config server, you must:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Convert your replica set to a sharded cluster with a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-dedicated-config-server">
dedicated config server
<!-- -->
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Configure the dedicated config server to run as a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/config-shard/#std-label-config-shard-concept">
config shard
</a>
using the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/transitionFromDedicatedConfigServer/#mongodb-dbcommand-dbcmd.transitionFromDedicatedConfigServer">
<code class="leafygreen-ui-1l06pbn">
transitionFromDedicatedConfigServer
</code>
</a>
command.
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
transitionFromDedicatedConfigServer
</code>
command adds the config server
as a shard in the cluster.
</p>
</li>
</ul>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Reduce the number of shards in your cluster after adding the config shard.
</p>
</li>
</ul>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Access Control
<a class="headerlink leafygreen-ui-1kepx47" href="#access-control" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="access-control">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
If access control is enabled, the
<code class="leafygreen-ui-1l06pbn">
transitionFromDedicatedConfigServer
</code>
command requires the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#mongodb-authaction-transitionFromDedicatedConfigServer">
<code class="leafygreen-ui-1l06pbn">
transitionFromDedicatedConfigServer
</code>
</a>
authorization action for the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/resource-document/#std-label-resource-document">
cluster
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/built-in-roles/#mongodb-authrole-clusterManager">
<code class="leafygreen-ui-1l06pbn">
clusterManager
</code>
</a>
role has the
<code class="leafygreen-ui-1l06pbn">
transitionFromDedicatedConfigServer
</code>
authorization action and can be
assigned to a user.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Steps
<a class="headerlink leafygreen-ui-1kepx47" href="#steps" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="steps">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The following example converts a self-managed replica set to a config shard that
contain pre-existing user data from the replica set.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"This tutorial assumes that you know how to convert your self-managed\nreplica set to a sharded cluster. For full instructions, see\nConvert a Self-Managed Replica Set to a Sharded Cluster.","name":"Convert your replica set to a sharded cluster with a dedicated config server"},{"@type":"HowToStep","text":"For example, to connect to your mongos instance running on host\nmongodb6.example.net as an admin user named admin01:","name":"Connect to mongos"},{"@type":"HowToStep","text":"To configure your dedicated config server to run as a config shard, run\nthe transitionFromDedicatedConfigServer command from the admin\ndatabase:","name":"Run the transitionFromDedicatedConfigServer command"},{"@type":"HowToStep","text":"You can check the admin.system.version collection\nfor an entry where shardName: 'config'.If the balancer is running, it\nautomatically migrates data across the shards. Otherwise, use the\nmoveCollection or moveChunk commands to\nmanually distribute your data.","name":"Verify that the config server is now a config shard"},{"@type":"HowToStep","text":"To reduce the cluster to a single shard after adding the config shard,\nmove all unsharded collections to the config shard using the\nmoveCollection command and remove the first shard in the\ncluster with the removeShard command. This step reduces your\ncluster to a single config shard.For full instructions on removing shards in your cluster, see\nRemove Shards from a Sharded Cluster.","name":"Reduce the number of shards in your cluster to one"}],"name":"Steps","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
</script>
<div class="css-4nyere eccljxs0">
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Convert your replica set to a sharded cluster with a dedicated config server
<a class="headerlink leafygreen-ui-1kepx47" href="#convert-your-replica-set-to-a-sharded-cluster-with-a-dedicated-config-server" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="convert-your-replica-set-to-a-sharded-cluster-with-a-dedicated-config-server">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
This tutorial assumes that you know how to convert your self-managed
replica set to a sharded cluster. For full instructions, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/convert-replica-set-to-replicated-shard-cluster/#std-label-manual-convert-replica-set-to-sharded-cluster">
Convert a Self-Managed Replica Set to a Sharded Cluster
<!-- -->
.
</a>
</p>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Connect to
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#connect-to-mongos" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="connect-to-mongos">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
For example, to connect to your
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
instance running on host
<code class="leafygreen-ui-1l06pbn">
mongodb6.example.net
</code>
as an admin user named
<code class="leafygreen-ui-1l06pbn">
admin01
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongosh \"mongodb://[email protected]:27017\"","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongosh <span class="lg-highlight-string">"mongodb://[email protected]:27017"</span></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
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</div>
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<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
3
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Run the
<code class="leafygreen-ui-1l06pbn">
transitionFromDedicatedConfigServer
</code>
command
<a class="headerlink leafygreen-ui-1kepx47" href="#run-the-transitionfromdedicatedconfigserver-command" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="run-the-transitionfromdedicatedconfigserver-command">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To configure your dedicated config server to run as a config shard, run
the
<code class="leafygreen-ui-1l06pbn">
transitionFromDedicatedConfigServer
</code>
command from the admin
database:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.adminCommand( {\n transitionFromDedicatedConfigServer: 1\n} )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">adminCommand</span>( <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">transitionFromDedicatedConfigServer</span>: <span class="lg-highlight-number">1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">} )</td></tr></tbody></table></code></pre>
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<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
4
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Verify that the config server is now a config shard
<a class="headerlink leafygreen-ui-1kepx47" href="#verify-that-the-config-server-is-now-a-config-shard" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="verify-that-the-config-server-is-now-a-config-shard">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
You can check the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/system-collections/#mongodb-data-admin.system.version">
<code class="leafygreen-ui-1l06pbn">
admin.system.version
</code>
</a>
collection
for an entry where
<code class="leafygreen-ui-1l06pbn">
shardName: 'config'
</code>
.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.getSiblingDB(\"admin\").system.version.find( { shardName: 'config' } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">getSiblingDB</span>(<span class="lg-highlight-string">"admin"</span>).<span class="lg-highlight-property">system</span>.<span class="lg-highlight-property">version</span>.<span class="lg-highlight-title lg-highlight-function">find</span>( <!-- -->{ <span class="lg-highlight-attr">shardName</span>: <span class="lg-highlight-string">'config'</span> } )</td></tr></tbody></table></code></pre>
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</button>
</div>
</div>
</div>
</div>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
If the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-balancer-administration/#std-label-sharding-balancing">
balancer
</a>
is running, it
automatically migrates data across the shards. Otherwise, use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/moveCollection/#mongodb-dbcommand-dbcmd.moveCollection">
<code class="leafygreen-ui-1l06pbn">
moveCollection
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/moveChunk/#mongodb-dbcommand-dbcmd.moveChunk">
<code class="leafygreen-ui-1l06pbn">
moveChunk
</code>
</a>
commands to
manually distribute your data.
</p>
</div>
</div>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
5
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Reduce the number of shards in your cluster to one
<a class="headerlink leafygreen-ui-1kepx47" href="#reduce-the-number-of-shards-in-your-cluster-to-one" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="reduce-the-number-of-shards-in-your-cluster-to-one">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To reduce the cluster to a single shard after adding the config shard,
move all unsharded collections to the config shard using the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/moveCollection/#mongodb-dbcommand-dbcmd.moveCollection">
<code class="leafygreen-ui-1l06pbn">
moveCollection
</code>
</a>
command and remove the first shard in the
cluster with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/removeShard/#mongodb-dbcommand-dbcmd.removeShard">
<code class="leafygreen-ui-1l06pbn">
removeShard
</code>
</a>
command. This step reduces your
cluster to a single config shard.
</p>
<p class="leafygreen-ui-1kp3ins">
For full instructions on removing shards in your cluster, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/remove-shards-from-cluster/#std-label-remove-shards-from-cluster-tutorial">
Remove Shards from a Sharded Cluster
<!-- -->
.
</a>
</p>
</section>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Learn More
<a class="headerlink leafygreen-ui-1kepx47" href="#learn-more" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="learn-more">
</div>
</a>
</h2>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/config-shard/#std-label-config-shard-concept">
Config Shard
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/convert-replica-set-to-replicated-shard-cluster/#std-label-manual-convert-replica-set-to-sharded-cluster">
Convert a Self-Managed Replica Set to a Sharded Cluster
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/remove-shards-from-cluster/#std-label-remove-shards-from-cluster-tutorial">
Remove Shards from a Sharded Cluster
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharded-cluster-config-servers/#std-label-sharding-config-server">
Config Servers
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/transitionFromDedicatedConfigServer/#mongodb-dbcommand-dbcmd.transitionFromDedicatedConfigServer">
<code class="leafygreen-ui-1l06pbn">
transitionFromDedicatedConfigServer
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/transitionToDedicatedConfigServer/#mongodb-dbcommand-dbcmd.transitionToDedicatedConfigServer">
<code class="leafygreen-ui-1l06pbn">
transitionToDedicatedConfigServer
</code>
</a>
</p>
</li>
</ul>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/operator/aggregation/isoWeek/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
$isoWeek (aggregation)
<a class="headerlink leafygreen-ui-1kepx47" href="#-isoweek--aggregation-" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="-isoweek--aggregation-">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
<span>
Definition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#behavior" target="_self">
<span>
Behavior
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#example" target="_self">
<span>
Example
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Definition
<a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
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<div class="css-1btu0w3 evvkmar0" id="definition">
</div>
</a>
</h2>
<dl class="expression">
<dt>
<code class="leafygreen-ui-1l06pbn">
$isoWeek
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-expression-exp.-isoWeek" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-expression-exp.-isoWeek">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Returns the week number in ISO 8601 format, ranging from
<code class="leafygreen-ui-1l06pbn">
1
</code>
to
<code class="leafygreen-ui-1l06pbn">
53
</code>
. Week numbers start at
<code class="leafygreen-ui-1l06pbn">
1
</code>
with the week (Monday through
Sunday) that contains the year's first Thursday.
</p>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-expression-exp.-isoWeek" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$isoWeek
</code>
</span>
</a>
expression has the following
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/#std-label-aggregation-expressions">
operator expression syntax
<!-- -->
:
</a>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ $isoWeek: <dateexpression> }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">$isoWeek</span>: <<!-- -->dateExpression<!-- -->> <!-- -->}</td></tr></tbody></table></code></pre>
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</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The argument can be:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
An
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/#std-label-aggregation-expressions">
expression
</a>
that resolves to a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/bson-types/#std-label-document-bson-type-date">
Date
</a>
, a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/bson-types/#std-label-document-bson-type-timestamp">
Timestamp
</a>
, or an
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/bson-types/#std-label-document-bson-type-object-id">
ObjectID
<!-- -->
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
A document with this format:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ date: <dateexpression>, timezone: <tzexpression> }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">date</span>: <<!-- -->dateExpression<!-- -->><!-- -->,<!-- --> <span class="lg-highlight-attr">timezone</span>: <<!-- -->tzExpression<!-- -->> <!-- -->}</td></tr></tbody></table></code></pre>
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</button>
</div>
</div>
</div>
</div>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:25%"/>
<col style="width:75%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Field
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
date
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The date to which the operator is applied.
<code class="leafygreen-ui-1l06pbn">
<dateExpression>
</code>
must be a valid
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/#std-label-aggregation-expressions">
expression
</a>
that resolves to a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/bson-types/#std-label-document-bson-type-date">
Date
</a>
, a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/bson-types/#std-label-document-bson-type-timestamp">
Timestamp
</a>
,
or an
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/bson-types/#std-label-document-bson-type-object-id">
ObjectID
<!-- -->
.
</a>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
timezone
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Optional. The timezone of the operation result.
<code class="leafygreen-ui-1l06pbn">
<tzExpression>
</code>
must be a valid
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/#std-label-aggregation-expressions">
expression
</a>
that resolves to a string formatted as either
an
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://en.wikipedia.org/wiki/List_of_tz_database_time_zones" rel="noopener noreferrer">
<span>
Olson Timezone Identifier
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
or a
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://en.wikipedia.org/wiki/List_of_UTC_time_offsets" rel="noopener noreferrer">
<span>
UTC Offset
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
.
If no
<code class="leafygreen-ui-1l06pbn">
timezone
</code>
is provided, the result is in UTC.
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:30%"/>
<col style="width:70%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Format
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Examples
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
Olson Timezone Identifier
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"\"America/New_York\"\n\"Europe/London\"\n\"GMT\""}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">"America/New_York"</td></tr><tr class=""><td class="leafygreen-ui-7razhx">"Europe/London"</td></tr><tr class=""><td class="leafygreen-ui-7razhx">"GMT"</td></tr></tbody></table></code></pre>
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</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
UTC Offset
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"+/-[hh]:[mm], e.g. \"+04:45\"\n+/-[hh][mm], e.g. \"-0530\"\n+/-[hh], e.g. \"+03\""}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">+/-[hh]:[mm], e.g. "+04:45"</td></tr><tr class=""><td class="leafygreen-ui-7razhx">+/-[hh][mm], e.g. "-0530"</td></tr><tr class=""><td class="leafygreen-ui-7razhx">+/-[hh], e.g. "+03"</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</li>
</ul>
</dd>
</dl>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Behavior
<a class="headerlink leafygreen-ui-1kepx47" href="#behavior" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="behavior">
</div>
</a>
</h2>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:85%"/>
<col style="width:15%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Example
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Result
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ $isoWeek: { date: new Date(\"Jan 4, 2016\") } }","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1agdxuk" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">$isoWeek</span>: <!-- -->{ <span class="lg-highlight-attr">date</span>: <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Date</span>(<span class="lg-highlight-string">"Jan 4, 2016"</span>) } }</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
1
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ $isoWeek: new Date(\"2016-01-01\") }","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1agdxuk" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">$isoWeek</span>: <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Date</span>(<span class="lg-highlight-string">"2016-01-01"</span>) }</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
53
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ $isoWeek: {\n date: new Date(\"August 14, 2011\"),\n timezone: \"America/Chicago\"\n} }","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">$isoWeek</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">date</span>: <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Date</span>(<span class="lg-highlight-string">"August 14, 2011"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">timezone</span>: <span class="lg-highlight-string">"America/Chicago"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">} }</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
32
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ $isoWeek: ISODate(\"1998-11-02T00:00:00Z\") }","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1agdxuk" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">$isoWeek</span>: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"1998-11-02T00:00:00Z"</span>) }</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
45
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ $isoWeek: {\n date: ISODate(\"1998-11-02T00:00:00Z\"),\n timezone: \"-0500\"\n} }","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">$isoWeek</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">date</span>: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"1998-11-02T00:00:00Z"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">timezone</span>: <span class="lg-highlight-string">"-0500"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">} }</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
44
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ $isoWeek: \"March 28, 1976\" }","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1agdxuk" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">$isoWeek</span>: <span class="lg-highlight-string">"March 28, 1976"</span> }</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
error
</code>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ $isoWeek: Date(\"2016-01-01\") }","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1agdxuk" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">$isoWeek</span>: <span class="lg-highlight-title lg-highlight-class">Date</span>(<span class="lg-highlight-string">"2016-01-01"</span>) }</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
error
</code>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ $isoWeek: \"2009-04-09\" }","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1agdxuk" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">$isoWeek</span>: <span class="lg-highlight-string">"2009-04-09"</span> }</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
error
</code>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
$isoWeek cannot take a string as an argument.
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Example
<a class="headerlink leafygreen-ui-1kepx47" href="#example" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="example">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
A collection called
<code class="leafygreen-ui-1l06pbn">
deliveries
</code>
contains the following documents:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.deliveries.insertMany( [\n { _id: 1, date: ISODate(\"2006-10-24T00:00:00Z\"), city: \"Boston\" },\n { _id: 2, date: ISODate(\"2011-08-18T00:00:00Z\"), city: \"Detroit\" }\n] )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">deliveries</span>.<span class="lg-highlight-title lg-highlight-function">insertMany</span>( <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">date</span>: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2006-10-24T00:00:00Z"</span>)<!-- -->, <span class="lg-highlight-attr">city</span>: <span class="lg-highlight-string">"Boston"</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">2</span>, <span class="lg-highlight-attr">date</span>: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2011-08-18T00:00:00Z"</span>)<!-- -->, <span class="lg-highlight-attr">city</span>: <span class="lg-highlight-string">"Detroit"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">] )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The following operation returns the week number for each
<code class="leafygreen-ui-1l06pbn">
date
</code>
field.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.deliveries.aggregate( [\n {\n $project: {\n _id: 0,\n city: \"$city\",\n weekNumber: { $isoWeek: \"$date\" }\n }\n }\n] )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">deliveries</span>.<span class="lg-highlight-title lg-highlight-function">aggregate</span>( <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$project</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">0</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">city</span>: <span class="lg-highlight-string">"$city"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">weekNumber</span>: <!-- -->{ <span class="lg-highlight-attr">$isoWeek</span>: <span class="lg-highlight-string">"$date"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">] )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The operation returns the following results:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"[\n { city: \"Boston\", weekNumber: 43 },\n { city: \"Detroit\", weekNumber: 33 }\n]","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">city</span>: <span class="lg-highlight-string">"Boston"</span>, <span class="lg-highlight-attr">weekNumber</span>: <span class="lg-highlight-number">43</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">city</span>: <span class="lg-highlight-string">"Detroit"</span>, <span class="lg-highlight-attr">weekNumber</span>: <span class="lg-highlight-number">33</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">]</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/isoDayOfWeek/">
$isoDayOfWeek (aggregation)
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/isoWeekYear/">
$isoWeekYear (aggregation)
</a>
</p>
</li>
</ul>
</div>
</div>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/command/nav-role-management/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Role Management Commands
<a class="headerlink leafygreen-ui-1kepx47" href="#role-management-commands" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="role-management-commands">
</div>
</a>
</h1>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
For details on a specific command, including syntax and examples,
click on the link to the command's reference page.
</p>
</div>
</div>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:30%"/>
<col style="width:70%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Name
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/createRole/#mongodb-dbcommand-dbcmd.createRole">
<code class="leafygreen-ui-1l06pbn">
createRole
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Creates a role and specifies its privileges.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/dropRole/#mongodb-dbcommand-dbcmd.dropRole">
<code class="leafygreen-ui-1l06pbn">
dropRole
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Deletes the user-defined role.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/dropAllRolesFromDatabase/#mongodb-dbcommand-dbcmd.dropAllRolesFromDatabase">
<code class="leafygreen-ui-1l06pbn">
dropAllRolesFromDatabase
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Deletes all user-defined roles from a database.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/grantPrivilegesToRole/#mongodb-dbcommand-dbcmd.grantPrivilegesToRole">
<code class="leafygreen-ui-1l06pbn">
grantPrivilegesToRole
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Assigns privileges to a user-defined role.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/grantRolesToRole/#mongodb-dbcommand-dbcmd.grantRolesToRole">
<code class="leafygreen-ui-1l06pbn">
grantRolesToRole
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Specifies roles from which a user-defined role inherits privileges.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/invalidateUserCache/#mongodb-dbcommand-dbcmd.invalidateUserCache">
<code class="leafygreen-ui-1l06pbn">
invalidateUserCache
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Flushes the in-memory cache of user information, including credentials and roles.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/revokePrivilegesFromRole/#mongodb-dbcommand-dbcmd.revokePrivilegesFromRole">
<code class="leafygreen-ui-1l06pbn">
revokePrivilegesFromRole
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Removes the specified privileges from a user-defined role.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/revokeRolesFromRole/#mongodb-dbcommand-dbcmd.revokeRolesFromRole">
<code class="leafygreen-ui-1l06pbn">
revokeRolesFromRole
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Removes specified inherited roles from a user-defined role.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/rolesInfo/#mongodb-dbcommand-dbcmd.rolesInfo">
<code class="leafygreen-ui-1l06pbn">
rolesInfo
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Returns information for the specified role or roles.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/updateRole/#mongodb-dbcommand-dbcmd.updateRole">
<code class="leafygreen-ui-1l06pbn">
updateRole
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Updates a user-defined role.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</section>
|
https://www.mongodb.com/docs/manual/reference/command/grantPrivilegesToRole/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
grantPrivilegesToRole
<a class="headerlink leafygreen-ui-1kepx47" href="#grantprivilegestorole" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="grantprivilegestorole">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
<span>
Definition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#compatibility" target="_self">
<span>
Compatibility
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#command-fields" target="_self">
<span>
Command Fields
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#behavior" target="_self">
<span>
Behavior
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#required-access" target="_self">
<span>
Required Access
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#example" target="_self">
<span>
Example
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Definition
<a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="definition">
</div>
</a>
</h2>
<dl class="dbcommand">
<dt>
<code class="leafygreen-ui-1l06pbn">
grantPrivilegesToRole
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-dbcommand-dbcmd.grantPrivilegesToRole" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-dbcommand-dbcmd.grantPrivilegesToRole">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Assigns additional
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/authorization/#std-label-privileges">
privileges
</a>
to a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/security-user-defined-roles/#std-label-user-defined-roles">
user-defined
</a>
role defined on the database on which the
command is run.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
In
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#std-program-mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
, this command can also be run through the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.grantPrivilegesToRole/#mongodb-method-db.grantPrivilegesToRole">
<code class="leafygreen-ui-1l06pbn">
db.grantPrivilegesToRole()
</code>
</a>
helper method
<!-- -->
.
</p>
<p class="leafygreen-ui-1kp3ins">
Helper methods are convenient for
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#std-program-mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
users, but they may not
return the same level of information as database commands. In cases where
the convenience is not needed or the additional return fields are required,
use the database command.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.grantPrivilegesToRole" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
grantPrivilegesToRole
</code>
</span>
</a>
command uses the following syntax:
</p>
</dd>
</dl>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.runCommand(\n {\n grantPrivilegesToRole: \"<role>\",\n privileges: [\n {\n resource: { <resource> }, actions: [ \"<action>\", ... ]\n },\n ...\n ],\n writeConcern: { <write> },\n comment: <any>\n }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">grantPrivilegesToRole</span>: <span class="lg-highlight-string">"<role>"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">privileges</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">resource</span>: <!-- -->{ <<!-- -->resource<!-- -->> <!-- -->}<!-- -->, <span class="lg-highlight-attr">actions</span>: <!-- -->[ <span class="lg-highlight-string">"<action>"</span>, <!-- -->...<!-- --> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">writeConcern</span>: <!-- -->{ <!-- --><write concern> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> comment: <any></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Compatibility
<a class="headerlink leafygreen-ui-1kepx47" href="#compatibility" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="compatibility">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
This command is available in deployments hosted in the following environments:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas?tck=docs_server" target="_self">
<span>
MongoDB Atlas
</span>
</a>
: The fully
managed service for MongoDB deployments in the cloud
</p>
</li>
</ul>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
This command is not supported in M0, M2, and M5 clusters.
For more information, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/unsupported-commands/" target="_self">
<span>
Unsupported Commands
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-enterprise/#std-label-install-mdb-enterprise">
MongoDB Enterprise
</a>
: The
subscription-based, self-managed version of MongoDB
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-community/#std-label-install-mdb-community-edition">
MongoDB Community
</a>
: The
source-available, free-to-use, and self-managed version of MongoDB
</p>
</li>
</ul>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Command Fields
<a class="headerlink leafygreen-ui-1kepx47" href="#command-fields" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="command-fields">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The command has the following fields:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:20%"/>
<col style="width:80%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Field
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Type
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
grantPrivilegesToRole
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
string
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The name of the user-defined role to grant privileges to.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
privileges
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
array
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The privileges to add to the role. For the format of a privilege, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/system-roles-collection/#mongodb-data-admin.system.roles.privileges">
<code class="leafygreen-ui-1l06pbn">
privileges
</code>
.
</a>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
writeConcern
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
document
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Optional. The level of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#std-label-write-concern">
write concern
</a>
for the
operation. See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#std-label-wc-specs">
Write Concern Specification
<!-- -->
.
</a>
</p>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
comment
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
any
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Optional. A user-provided comment to attach to this command. Once set, this
comment appears alongside records of this command in the following
locations:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/log-messages/#std-label-log-messages-ref">
mongod log messages
</a>
, in the
<code class="leafygreen-ui-1l06pbn">
attr.command.cursor.comment
</code>
field.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/database-profiler/#std-label-profiler">
Database profiler
</a>
output, in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/database-profiler/#mongodb-data-system.profile.command">
<code class="leafygreen-ui-1l06pbn">
command.comment
</code>
</a>
field.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/currentOp/#mongodb-dbcommand-dbcmd.currentOp">
<code class="leafygreen-ui-1l06pbn">
currentOp
</code>
</a>
output, in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/currentOp/#mongodb-data-currentOp.command">
<code class="leafygreen-ui-1l06pbn">
command.comment
</code>
</a>
field.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
A comment can be any valid
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/bson-types/#std-label-bson-types">
BSON type
</a>
(string, integer, object, array, etc).
</p>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Behavior
<a class="headerlink leafygreen-ui-1kepx47" href="#behavior" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="behavior">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
A role's privileges apply to the database where the role is created. A
role created on the
<code class="leafygreen-ui-1l06pbn">
admin
</code>
database can include privileges that apply
to all databases or to the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/resource-document/#std-label-resource-cluster">
cluster
<!-- -->
.
</a>
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Required Access
<a class="headerlink leafygreen-ui-1kepx47" href="#required-access" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="required-access">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
You must have the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#mongodb-authaction-grantRole">
<code class="leafygreen-ui-1l06pbn">
grantRole
</code>
</a>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#std-label-security-user-actions">
action
</a>
on the database a privilege targets in order to
grant the privilege. To grant a privilege on multiple databases or on the
<code class="leafygreen-ui-1l06pbn">
cluster
</code>
resource, you must have the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#mongodb-authaction-grantRole">
<code class="leafygreen-ui-1l06pbn">
grantRole
</code>
</a>
action on
the
<code class="leafygreen-ui-1l06pbn">
admin
</code>
database.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Example
<a class="headerlink leafygreen-ui-1kepx47" href="#example" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="example">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The following
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.grantPrivilegesToRole" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
grantPrivilegesToRole
</code>
</span>
</a>
command grants two
additional privileges to the
<code class="leafygreen-ui-1l06pbn">
service
</code>
role that exists in the
<code class="leafygreen-ui-1l06pbn">
products
</code>
database:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"use products\ndb.runCommand(\n {\n grantPrivilegesToRole: \"service\",\n privileges: [\n {\n resource: { db: \"products\", collection: \"\" }, actions: [ \"find\" ]\n },\n {\n resource: { db: \"products\", collection: \"system.js\" }, actions: [ \"find\" ]\n }\n ],\n writeConcern: { w: \"majority\" , wtimeout: 5000 }\n }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">use products</td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">grantPrivilegesToRole</span>: <span class="lg-highlight-string">"service"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">privileges</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">resource</span>: <!-- -->{ <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">"products"</span>, <span class="lg-highlight-attr">collection</span>: <span class="lg-highlight-string">""</span> }<!-- -->, <span class="lg-highlight-attr">actions</span>: <!-- -->[ <span class="lg-highlight-string">"find"</span> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">resource</span>: <!-- -->{ <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">"products"</span>, <span class="lg-highlight-attr">collection</span>: <span class="lg-highlight-string">"system.js"</span> }<!-- -->, <span class="lg-highlight-attr">actions</span>: <!-- -->[ <span class="lg-highlight-string">"find"</span> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">writeConcern</span>: <!-- -->{ <span class="lg-highlight-attr">w</span>: <span class="lg-highlight-string">"majority"</span> <!-- -->, <span class="lg-highlight-attr">wtimeout</span>: <span class="lg-highlight-number">5000</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The first privilege in the
<code class="leafygreen-ui-1l06pbn">
privileges
</code>
array allows the user to
search on all non-system collections in the
<code class="leafygreen-ui-1l06pbn">
products
</code>
database. The
privilege does not allow queries on
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/system-collections/">
system collections
</a>
, such as the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/system-collections/#mongodb-data--database-.system.js">
<code class="leafygreen-ui-1l06pbn">
system.js
</code>
</a>
collection. To grant access to these
system collections, explicitly provision access in the
<code class="leafygreen-ui-1l06pbn">
privileges
</code>
array. See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/resource-document/">
Resource Document on Self-Managed Deployments
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
The second privilege explicitly allows the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#mongodb-authaction-find">
<code class="leafygreen-ui-1l06pbn">
find
</code>
</a>
action on
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/system-collections/#mongodb-data--database-.system.js">
<code class="leafygreen-ui-1l06pbn">
system.js
</code>
</a>
collections on all
databases.
</p>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/command/createRole/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
createRole
<a class="headerlink leafygreen-ui-1kepx47" href="#createrole" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="createrole">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
<span>
Definition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#compatibility" target="_self">
<span>
Compatibility
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#syntax" target="_self">
<span>
Syntax
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#behavior" target="_self">
<span>
Behavior
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#required-access" target="_self">
<span>
Required Access
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#example" target="_self">
<span>
Example
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Definition
<a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="definition">
</div>
</a>
</h2>
<dl class="dbcommand">
<dt>
<code class="leafygreen-ui-1l06pbn">
createRole
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-dbcommand-dbcmd.createRole" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-dbcommand-dbcmd.createRole">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Creates a role and specifies its
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/authorization/#std-label-privileges">
privileges
</a>
.
The role applies to the
database on which you run the command. The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.createRole" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
createRole
</code>
</span>
</a>
command returns a
<em>
duplicate role
</em>
error if the role already exists in
the database.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
In
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#std-program-mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
, this command can also be run through the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.createRole/#mongodb-method-db.createRole">
<code class="leafygreen-ui-1l06pbn">
db.createRole()
</code>
</a>
helper method
<!-- -->
.
</p>
<p class="leafygreen-ui-1kp3ins">
Helper methods are convenient for
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#std-program-mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
users, but they may not
return the same level of information as database commands. In cases where
the convenience is not needed or the additional return fields are required,
use the database command.
</p>
</div>
</div>
</dd>
</dl>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Compatibility
<a class="headerlink leafygreen-ui-1kepx47" href="#compatibility" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="compatibility">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
This command is available in deployments hosted in the following environments:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas?tck=docs_server" target="_self">
<span>
MongoDB Atlas
</span>
</a>
: The fully
managed service for MongoDB deployments in the cloud
</p>
</li>
</ul>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
This command is not supported in M0, M2, M5, and M10+ clusters.
For more information, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/unsupported-commands/" target="_self">
<span>
Unsupported Commands
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-enterprise/#std-label-install-mdb-enterprise">
MongoDB Enterprise
</a>
: The
subscription-based, self-managed version of MongoDB
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-community/#std-label-install-mdb-community-edition">
MongoDB Community
</a>
: The
source-available, free-to-use, and self-managed version of MongoDB
</p>
</li>
</ul>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Syntax
<a class="headerlink leafygreen-ui-1kepx47" href="#syntax" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="syntax">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The command has the following syntax:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.adminCommand(\n {\n createRole: \"<new>\",\n privileges: [\n { resource: { <resource> }, actions: [ \"<action>\", ... ] },\n ...\n ],\n roles: [\n { role: \"<role>\", db: \"<database>\" } | \"<role>\",\n ...\n ],\n authenticationRestrictions: [\n {\n clientSource: [\"<ip>\" | \"<cidr>\", ...],\n serverAddress: [\"<ip>\" | \"<cidr>\", ...]\n },\n ...\n ],\n writeConcern: <write>,\n comment: <any>\n }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">adminCommand</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">createRole</span>: <span class="lg-highlight-string">"<new role>"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">privileges</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">resource</span>: <!-- -->{ <<!-- -->resource<!-- -->> <!-- -->}<!-- -->, <span class="lg-highlight-attr">actions</span>: <!-- -->[ <span class="lg-highlight-string">"<action>"</span>, <!-- -->...<!-- --> ] }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">roles</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">role</span>: <span class="lg-highlight-string">"<role>"</span>, <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">"<database>"</span> } <!-- -->| <span class="lg-highlight-string">"<role>"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">authenticationRestrictions</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">clientSource</span>: <!-- -->[<span class="lg-highlight-string">"<IP>"</span> <!-- -->| <span class="lg-highlight-string">"<CIDR range>"</span>, <!-- -->...<!-- -->]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">serverAddress</span>: <!-- -->[<span class="lg-highlight-string">"<IP>"</span> <!-- -->| <span class="lg-highlight-string">"<CIDR range>"</span>, <!-- -->...<!-- -->]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">writeConcern</span>: <!-- --><write concern document>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> comment: <any></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</div>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Command Fields
<a class="headerlink leafygreen-ui-1kepx47" href="#command-fields" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="command-fields">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.createRole" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
createRole
</code>
</span>
</a>
command has the following fields:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:20%"/>
<col style="width:80%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Field
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Type
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
createRole
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
string
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The name of the new role.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
privileges
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
array
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
The privileges to grant the role. A privilege consists of a resource
and permitted actions. For the syntax of a privilege, see the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/system-roles-collection/#mongodb-data-admin.system.roles.privileges">
<code class="leafygreen-ui-1l06pbn">
privileges
</code>
</a>
array.
</p>
<p class="leafygreen-ui-1kp3ins">
You must include the
<code class="leafygreen-ui-1l06pbn">
privileges
</code>
field. Use an
empty array to specify
<em>
no
</em>
privileges.
</p>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
roles
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
array
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
An array of roles from which this role inherits privileges.
</p>
<p class="leafygreen-ui-1kp3ins">
You must include the
<code class="leafygreen-ui-1l06pbn">
roles
</code>
field. Use an empty array to specify
<em>
no
</em>
roles to inherit from.
</p>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
authenticationRestrictions
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
array
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Optional.
</p>
<p class="leafygreen-ui-1kp3ins">
The authentication restrictions the server enforces on the role.
Specifies a list of IP addresses and
<span class="leafygreen-ui-vm4wms" tabindex="0">
CIDR
</span>
ranges users granted this
role are allowed to connect to and/or which they can connect from.
</p>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
writeConcern
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
document
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Optional. The level of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#std-label-write-concern">
write concern
</a>
for the
operation. See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#std-label-wc-specs">
Write Concern Specification
<!-- -->
.
</a>
</p>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
comment
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
any
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Optional. A user-provided comment to attach to this command. Once set, this
comment appears alongside records of this command in the following
locations:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/log-messages/#std-label-log-messages-ref">
mongod log messages
</a>
, in the
<code class="leafygreen-ui-1l06pbn">
attr.command.cursor.comment
</code>
field.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/database-profiler/#std-label-profiler">
Database profiler
</a>
output, in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/database-profiler/#mongodb-data-system.profile.command">
<code class="leafygreen-ui-1l06pbn">
command.comment
</code>
</a>
field.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/currentOp/#mongodb-dbcommand-dbcmd.currentOp">
<code class="leafygreen-ui-1l06pbn">
currentOp
</code>
</a>
output, in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/currentOp/#mongodb-data-currentOp.command">
<code class="leafygreen-ui-1l06pbn">
command.comment
</code>
</a>
field.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
A comment can be any valid
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/bson-types/#std-label-bson-types">
BSON type
</a>
(string, integer, object, array, etc).
</p>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Roles
<a class="headerlink leafygreen-ui-1kepx47" href="#roles" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="roles">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
In the
<code class="leafygreen-ui-1l06pbn">
roles
</code>
field, you can specify both
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/built-in-roles/#std-label-built-in-roles">
built-in roles
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/security-user-defined-roles/#std-label-user-defined-roles">
user-defined
roles
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
To specify a role that exists in the same database where
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.createRole" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
createRole
</code>
</span>
</a>
runs, you can either specify the role with the name of
the role:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"\"readWrite\"","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string">"readWrite"</span></td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Or you can specify the role with a document, as in:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ role: \"<role>\", db: \"<database>\" }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">role</span>: <span class="lg-highlight-string">"<role>"</span>, <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">"<database>"</span> }</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
To specify a role that exists in a different database, specify the role
with a document.
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-create-role-auth-restrictions">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Authentication Restrictions
<a class="headerlink leafygreen-ui-1kepx47" href="#authentication-restrictions" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="authentication-restrictions">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
authenticationRestrictions
</code>
document can contain
<em>
only
</em>
the
following fields. The server throws an error if the
<code class="leafygreen-ui-1l06pbn">
authenticationRestrictions
</code>
document contains an unrecognized field:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:30%"/>
<col style="width:50%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Field Name
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Value
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
clientSource
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Array of IP addresses and/or
<span class="leafygreen-ui-vm4wms" tabindex="0">
CIDR
</span>
ranges
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
If present, when authenticating a user, the server verifies
that the client's IP address is either in the given list or
belongs to a CIDR range in the list. If the client's IP address
is not present, the server does not authenticate the user.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
serverAddress
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Array of IP addresses and/or
<span class="leafygreen-ui-vm4wms" tabindex="0">
CIDR
</span>
ranges
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
A list of IP addresses or CIDR ranges to which the client can
connect. If present, the server will verify that the client's
connection was accepted via an IP address in the given list. If
the connection was accepted via an unrecognized IP address, the
server does not authenticate the user.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
If a user inherits multiple roles with incompatible authentication
restrictions, that user becomes unusable.
</p>
<p class="leafygreen-ui-1kp3ins">
For example, if a user inherits one role in which the
<code class="leafygreen-ui-1l06pbn">
clientSource
</code>
field is
<code class="leafygreen-ui-1l06pbn">
["198.51.100.0"]
</code>
and another role in
which the
<code class="leafygreen-ui-1l06pbn">
clientSource
</code>
field is
<code class="leafygreen-ui-1l06pbn">
["203.0.113.0"]
</code>
the server is
unable to authenticate the user.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For more information on authentication in MongoDB, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/authentication/#std-label-authentication">
Authentication on Self-Managed Deployments
<!-- -->
.
</a>
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Behavior
<a class="headerlink leafygreen-ui-1kepx47" href="#behavior" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="behavior">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
A role's privileges apply to the database where the role is created. The
role can inherit privileges from other roles in its database. A role
created on the
<code class="leafygreen-ui-1l06pbn">
admin
</code>
database can include privileges that apply to all
databases or to the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/resource-document/#std-label-resource-cluster">
cluster
</a>
and can inherit
privileges from roles in other databases.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Required Access
<a class="headerlink leafygreen-ui-1kepx47" href="#required-access" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="required-access">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
To create a role in a database, you must have:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#mongodb-authaction-createRole">
<code class="leafygreen-ui-1l06pbn">
createRole
</code>
</a>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#std-label-security-user-actions">
action
</a>
on
that
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/resource-document/#std-label-resource-specific-db">
database resource
<!-- -->
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#mongodb-authaction-grantRole">
<code class="leafygreen-ui-1l06pbn">
grantRole
</code>
</a>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#std-label-security-user-actions">
action
</a>
on
that database to specify privileges for the new role as well as to
specify roles to inherit from.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
Built-in roles
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/built-in-roles/#mongodb-authrole-userAdmin">
<code class="leafygreen-ui-1l06pbn">
userAdmin
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/built-in-roles/#mongodb-authrole-userAdminAnyDatabase">
<code class="leafygreen-ui-1l06pbn">
userAdminAnyDatabase
</code>
</a>
provide
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#mongodb-authaction-createRole">
<code class="leafygreen-ui-1l06pbn">
createRole
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#mongodb-authaction-grantRole">
<code class="leafygreen-ui-1l06pbn">
grantRole
</code>
</a>
actions on their respective
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/resource-document/">
resources
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
To create a role with
<code class="leafygreen-ui-1l06pbn">
authenticationRestrictions
</code>
specified, you
must have the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#mongodb-authaction-setAuthenticationRestriction">
<code class="leafygreen-ui-1l06pbn">
setAuthenticationRestriction
</code>
</a>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#std-label-security-user-actions">
action
</a>
on the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/resource-document/#std-label-resource-specific-db">
database resource
</a>
which the role is
created.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Example
<a class="headerlink leafygreen-ui-1kepx47" href="#example" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="example">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The following
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.createRole" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
createRole
</code>
</span>
</a>
command creates the
<code class="leafygreen-ui-1l06pbn">
myClusterwideAdmin
</code>
role on the
<code class="leafygreen-ui-1l06pbn">
admin
</code>
database:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.adminCommand({ createRole: \"myClusterwideAdmin\",\n privileges: [\n { resource: { cluster: true }, actions: [ \"addShard\" ] },\n { resource: { db: \"config\", collection: \"\" }, actions: [ \"find\", \"update\", \"insert\", \"remove\" ] },\n { resource: { db: \"users\", collection: \"usersCollection\" }, actions: [ \"update\", \"insert\", \"remove\" ] },\n { resource: { db: \"\", collection: \"\" }, actions: [ \"find\" ] }\n ],\n roles: [\n { role: \"read\", db: \"admin\" }\n ],\n writeConcern: { w: \"majority\" , wtimeout: 5000 }\n})","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">adminCommand</span>(<!-- -->{ <span class="lg-highlight-attr">createRole</span>: <span class="lg-highlight-string">"myClusterwideAdmin"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">privileges</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">resource</span>: <!-- -->{ <span class="lg-highlight-attr">cluster</span>: <span class="lg-highlight-literal">true</span> }<!-- -->, <span class="lg-highlight-attr">actions</span>: <!-- -->[ <span class="lg-highlight-string">"addShard"</span> ] }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">resource</span>: <!-- -->{ <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">"config"</span>, <span class="lg-highlight-attr">collection</span>: <span class="lg-highlight-string">""</span> }<!-- -->, <span class="lg-highlight-attr">actions</span>: <!-- -->[ <span class="lg-highlight-string">"find"</span>, <span class="lg-highlight-string">"update"</span>, <span class="lg-highlight-string">"insert"</span>, <span class="lg-highlight-string">"remove"</span> ] }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">resource</span>: <!-- -->{ <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">"users"</span>, <span class="lg-highlight-attr">collection</span>: <span class="lg-highlight-string">"usersCollection"</span> }<!-- -->, <span class="lg-highlight-attr">actions</span>: <!-- -->[ <span class="lg-highlight-string">"update"</span>, <span class="lg-highlight-string">"insert"</span>, <span class="lg-highlight-string">"remove"</span> ] }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">resource</span>: <!-- -->{ <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">""</span>, <span class="lg-highlight-attr">collection</span>: <span class="lg-highlight-string">""</span> }<!-- -->, <span class="lg-highlight-attr">actions</span>: <!-- -->[ <span class="lg-highlight-string">"find"</span> ] }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">roles</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">role</span>: <span class="lg-highlight-string">"read"</span>, <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">"admin"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">writeConcern</span>: <!-- -->{ <span class="lg-highlight-attr">w</span>: <span class="lg-highlight-string">"majority"</span> <!-- -->, <span class="lg-highlight-attr">wtimeout</span>: <span class="lg-highlight-number">5000</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">})</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</section>
</section>
|
https://www.mongodb.com/docs/manual/core/csfle/reference/install-library/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Install and Configure a CSFLE Library
<a class="headerlink leafygreen-ui-1kepx47" href="#install-and-configure-a-csfle-library" title="Permalink to this heading">
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<div class="css-1btu0w3 evvkmar0" id="install-and-configure-a-csfle-library">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#before-you-begin" target="_self">
<span>
Before You Begin
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#steps" target="_self">
<span>
Steps
</span>
</a>
</li>
</ul>
</div>
<span class="leafygreen-ui-1qnjd6d" id="mongodb-binary-bin.mongocryptd">
</span>
<p class="leafygreen-ui-1kp3ins">
MongoDB can use one of two libraries for Client-Side Field Level Encryption (CSFLE).
The recommended library is the Automatic Encryption Shared Library.
</p>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Before You Begin
<a class="headerlink leafygreen-ui-1kepx47" href="#before-you-begin" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="before-you-begin">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
To use CSFLE with automatic encryption, you must first choose
the library you want MongoDB to use to encrypt the fields.
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-csfle-reference-install-shared-lib" target="_self">
<span>
crypt_shared
</span>
</a>
, the
recommended CSFLE library.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-csfle-reference-install-mongocryptd" target="_self">
<span>
mongocryptd
</span>
</a>
, which is included
in MongoDB Enterprise Server installations.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
Both require the
<code class="leafygreen-ui-1l06pbn">
libmongocrypt
</code>
library. For more
information, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/csfle/reference/libmongocrypt/#std-label-csfle-reference-libmongocrypt">
Install libmongocrypt for CSFLE
<!-- -->
.
</a>
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-csfle-reference-install-shared-lib">
</span>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Automatic Encryption Shared Library
<a class="headerlink leafygreen-ui-1kepx47" href="#automatic-encryption-shared-library" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="automatic-encryption-shared-library">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The Automatic Encryption Shared Library is a
<strong>
dynamic library
</strong>
that enables
your client application to perform automatic encryption. A
dynamic library is a set of functionality accessed by an
application at runtime rather than compile time. The
Automatic Encryption Shared Library performs the following tasks:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Reads the encryption schema to determine which fields to
encrypt or decrypt
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Prevents your application from executing unsupported
operations on encrypted fields
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
The Automatic Encryption Shared Library
<em>
does not
</em>
do any of the following:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Perform data encryption or decryption
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Access the encryption key material
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Listen for data over the network
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
The Automatic Encryption Shared Library is a preferred alternative to
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
and does
not require you to spawn another process to perform automatic encryption.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
While we recommend using the Automatic Encryption Shared Library,
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
is still supported.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
To learn more about automatic encryption, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/csfle/features/#std-label-csfle-features">
Features
<!-- -->
.
</a>
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-csfle-reference-install-mongocryptd">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
mongocryptd
<a class="headerlink leafygreen-ui-1kepx47" href="#mongocryptd" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongocryptd">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
is installed with
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/try/download/enterprise" target="_self">
<span>
MongoDB Enterprise
Server
<!-- -->
.
</span>
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
When you create a CSFLE-enabled MongoDB client, the
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
process starts automatically by default.
</p>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
process:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Uses the specified automatic encryption rules to mark fields in
read and write operations for encryption.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Prevents unsupported operations from executing on encrypted
fields.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Parses the encryption schema specified for the database connection.
Automatic encryption rules use a strict subset of JSON schema syntax.
If the rules contain invalid automatic encryption syntax or any
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/query/jsonSchema/#mongodb-query-op.-jsonSchema">
<code class="leafygreen-ui-1l06pbn">
document validation
</code>
</a>
syntax,
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
returns an error.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
only performs the previous functions, and doesn't
perform any of the following:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
doesn't perform encryption or decryption
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
doesn't access any encryption key material
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
doesn't listen over the network
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
To perform field encryption and automatic decryption, the drivers use
the Apache-licensed
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://github.com/mongodb/libmongocrypt" rel="noopener noreferrer">
<span>
libmongocrypt
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
library.
</p>
<p class="leafygreen-ui-1kp3ins">
The official MongoDB drivers require access to the
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
process on the client host machine. These
clients search for the
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
process in the system
<code class="leafygreen-ui-1l06pbn">
PATH
</code>
by default.
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-csfle-reference-shared-library-download">
</span>
<span class="leafygreen-ui-1qnjd6d" id="std-label-mongocryptd-installation">
</span>
<span class="leafygreen-ui-1qnjd6d" id="std-label-csfle-reference-shared-library-configuration">
</span>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Steps
<a class="headerlink leafygreen-ui-1kepx47" href="#steps" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="steps">
</div>
</a>
</h2>
<div aria-hidden="true">
</div>
<div class="leafygreen-ui-1b75luy" data-lgid="lg-tabs">
<div class="leafygreen-ui-jp7pox" id="tabs-14">
<div aria-label="Tabs to describe usage of mongocryptd/shared-library" aria-orientation="horizontal" class="leafygreen-ui-m8p1vb lg-ui-tab-list-0000" data-lgid="lg-tabs-tab_list" role="tablist">
<button aria-controls="_hqj9lti4t" aria-selected="true" class="leafygreen-ui-1l773z1" data-text="" id="_og5dx21ea" name="" role="tab" tabindex="0">
<div class="leafygreen-ui-1nxuzmg">
Automatic Encryption Shared Library
</div>
</button>
<button aria-controls="_lo1f3kfqv" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_suia11xds" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
mongocryptd
</div>
</button>
</div>
<div class="leafygreen-ui-ov1ktg">
<div class="leafygreen-ui-1sg2lsz">
</div>
</div>
</div>
<div class="lg-ui-tab-panels-0000" data-lgid="lg-tabs-tab_panels">
<div>
<div aria-labelledby="_unckqp4kb" class="" id="_jimgfetrs" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"Download the Automatic Encryption Shared Library from the MongoDB Download Center by selecting the\nversion and platform, then the library:In the Version dropdown, select the version labeled as \"current.\"In the Platform dropdown, select your platform.In the Package dropdown, select crypt_shared.Click Download.To view an expanded list of available releases and packages, see\nMongoDB Enterprise Downloads.","name":"Download the Automatic Encryption Shared Library"},{"@type":"HowToStep","text":"You can configure how your driver searches for the Automatic Encryption Shared Library\nthrough the following parameters:NameDescriptioncryptSharedLibPathSpecifies the absolute path to the Automatic Encryption Shared Library package,\ncrypt_shared.Default: undefinedcryptSharedLibRequiredSpecifies if the driver must use the Automatic Encryption Shared Library. If\ntrue, the driver raises an error if the Automatic Encryption Shared Library\nis unavailable. If false, the driver performs the following\nsequence of actions:Attempts to use the Automatic Encryption Shared Library.If the Automatic Encryption Shared Library is unavailable, the driver attempts to\nspawn and connect to mongocryptd.Default: falseTo view an example demonstrating how to configure these parameters,\nsee the Quick Start.","name":"Configure Automatic Encryption Shared Library"}],"name":"Steps - Automatic Encryption Shared Library","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
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<div class="css-4nyere eccljxs0">
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Download the Automatic Encryption Shared Library
<a class="headerlink leafygreen-ui-1kepx47" href="#download-the-automatic-encryption-shared-library" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="download-the-automatic-encryption-shared-library">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Download the Automatic Encryption Shared Library from the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/try/download/enterprise" target="_self">
<span>
MongoDB Download Center
</span>
</a>
by selecting the
version and platform, then the library:
</p>
<ol class="leafygreen-ui-rioki0" type="1">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
In the
<span class="guilabel css-h15tq0">
Version
</span>
dropdown, select the version labeled as "current."
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
In the
<span class="guilabel css-h15tq0">
Platform
</span>
dropdown, select your platform.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
In the
<span class="guilabel css-h15tq0">
Package
</span>
dropdown, select
<code class="leafygreen-ui-1l06pbn">
crypt_shared
</code>
.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Click
<span class="guilabel css-h15tq0">
Download
</span>
.
</p>
</li>
</ol>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
To view an expanded list of available releases and packages, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/download-center/enterprise/releases" target="_self">
<span>
MongoDB Enterprise Downloads
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Configure Automatic Encryption Shared Library
<a class="headerlink leafygreen-ui-1kepx47" href="#configure-automatic-encryption-shared-library" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="configure-automatic-encryption-shared-library">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
You can configure how your driver searches for the Automatic Encryption Shared Library
through the following parameters:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:30%"/>
<col style="width:70%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Name
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
cryptSharedLibPath
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Specifies the absolute path to the Automatic Encryption Shared Library package,
<code class="leafygreen-ui-1l06pbn">
crypt_shared
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
<strong>
Default
</strong>
:
<code class="leafygreen-ui-1l06pbn">
undefined
</code>
</p>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
cryptSharedLibRequired
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Specifies if the driver must use the Automatic Encryption Shared Library. If
<code class="leafygreen-ui-1l06pbn">
true
</code>
, the driver raises an error if the Automatic Encryption Shared Library
is unavailable. If
<code class="leafygreen-ui-1l06pbn">
false
</code>
, the driver performs the following
sequence of actions:
</p>
<ol class="leafygreen-ui-rioki0" type="1">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Attempts to use the Automatic Encryption Shared Library.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If the Automatic Encryption Shared Library is unavailable, the driver attempts to
spawn and connect to
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
.
</p>
</li>
</ol>
<p class="leafygreen-ui-1kp3ins">
<strong>
Default
</strong>
:
<code class="leafygreen-ui-1l06pbn">
false
</code>
</p>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<p class="leafygreen-ui-1kp3ins">
To view an example demonstrating how to configure these parameters,
see the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/csfle/quick-start/#std-label-csfle-quick-start">
Quick Start
<!-- -->
.
</a>
</p>
</section>
</div>
</div>
</div>
</div>
</div>
</div>
<div>
<div aria-labelledby="_kpkv4io09" class="leafygreen-ui-38lglc" id="_7svh1sl6w" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"For supported Linux Operating Systems:\nTo install the Server package, follow the install on Linux\ntutorial and install the\nmongodb-enterprise server package. Alternatively, specify\nmongodb-enterprise-cryptd instead to install only the\nmongocryptd binary. The package manager installs\nthe binaries to a location in the system PATH.For OSX:\nTo install the Server package, follow the install on MacOS\ntutorial. The package manager installs\nbinaries to a location in the system PATH.For Windows:\nTo install the Server package, follow the install on Windows\ntutorial. You must add the mongocryptd\npackage to your system PATH after installation. Follow the documented\nbest practices for your Windows installation to add the mongocryptd\nbinary to the system PATH.To install from an official tarball / ZIP archive:\nTo install from an official archive, follow the documented best\npractices for your operating system to add the mongocryptd binary\nto your system PATH.","name":"Install mongocryptd"},{"@type":"HowToStep","text":"If the driver has access to the mongocryptd process, it spawns the\nprocess by default.If possible, start mongocryptd on boot, rather than launching it\non demand.Configure how the driver starts mongocryptd through the\nfollowing parameters:NameDescriptionportThe port from which mongocryptd listens for messages.Default: 27020idleShutdownTimeoutSecsNumber of idle seconds the mongocryptd process waits\nbefore exiting.Default: 60mongocryptdURIThe URI on which to run the mongocryptd process.Default: \"mongodb://localhost:27020\"mongocryptdBypassSpawnWhen true, prevents the driver from automatically\nspawning mongocryptd.Default: falsemongocryptdSpawnPathThe full path to mongocryptd.Default: Defaults to empty string and spawns from the system\npath.If a mongocryptd process is already running on the port specified by\nthe driver, the driver may log a warning and continue without spawning a\nnew process. Any settings specified by the driver only apply once the\nexisting process exits and a new encrypted client attempts to connect.ExampleTo view examples of how to configure your mongocryptd\nprocess, click the tab corresponding to the driver you are using in\nyour application:The following code-snippet sets the listening port configuration\nof mongocryptd:The following code-snippet sets the default timeout configuration\nof mongocryptd:The following code-snippet sets the listening port configuration\nof mongocryptd:The following code-snippet sets the default timeout configuration\nof mongocryptd:The following code-snippet sets the listening port configuration\nof mongocryptd:The following code-snippet sets the default timeout configuration\nof mongocryptd:The following code-snippet sets the listening port configuration\nof mongocryptd:In the NodeJS driver, the mongocryptdURI must match the listening port.The following code-snippet sets the default timeout configuration\nof mongocryptd:The following code-snippet sets the listening port configuration\nof mongocryptd:The following code-snippet sets the default timeout configuration\nof mongocryptd:","name":"Configure mongocryptd"}],"name":"Steps - mongocryptd","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
</script>
<div class="css-4nyere eccljxs0">
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Install mongocryptd
<a class="headerlink leafygreen-ui-1kepx47" href="#install-mongocryptd" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="install-mongocryptd">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
<strong>
For supported Linux Operating Systems:
</strong>
To install the Server package, follow the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-enterprise-linux/#std-label-install-enterprise-linux">
install on Linux
tutorial
</a>
and install the
<code class="leafygreen-ui-1l06pbn">
mongodb-enterprise
</code>
server package. Alternatively, specify
<code class="leafygreen-ui-1l06pbn">
mongodb-enterprise-cryptd
</code>
instead to install only the
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
binary. The package manager installs
the binaries to a location in the system PATH.
</p>
<p class="leafygreen-ui-1kp3ins">
<strong>
For OSX:
</strong>
To install the Server package, follow the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/install-mongodb-enterprise-on-os-x/#std-label-install-enterprise-macos">
install on MacOS
tutorial
</a>
. The package manager installs
binaries to a location in the system PATH.
</p>
<p class="leafygreen-ui-1kp3ins">
<strong>
For Windows:
</strong>
To install the Server package, follow the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/install-mongodb-enterprise-on-windows/#std-label-install-enterprise-windows">
install on Windows
tutorial
</a>
. You must add the
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
package to your system PATH after installation. Follow the documented
best practices for your Windows installation to add the
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
binary to the system PATH.
</p>
<p class="leafygreen-ui-1kp3ins">
<strong>
To install from an official tarball / ZIP archive:
</strong>
To install from an official archive, follow the documented best
practices for your operating system to add the
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
binary
to your system PATH.
</p>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Configure mongocryptd
<a class="headerlink leafygreen-ui-1kepx47" href="#configure-mongocryptd" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="configure-mongocryptd">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
If the driver has access to the
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
process, it spawns the
process by default.
</p>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
Start on Boot
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
If possible, start
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
on boot, rather than launching it
on demand.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Configure how the driver starts
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
through the
following parameters:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:30%"/>
<col style="width:70%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Name
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
port
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<div class="line-block">
<div class="line">
The port from which
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
listens for messages.
</div>
<div class="line">
<em>
Default
</em>
:
<code class="leafygreen-ui-1l06pbn">
27020
</code>
</div>
</div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
idleShutdownTimeoutSecs
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<div class="line-block">
<div class="line">
Number of idle seconds the
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
process waits
before exiting.
</div>
<div class="line">
<em>
Default
</em>
:
<code class="leafygreen-ui-1l06pbn">
60
</code>
</div>
</div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
mongocryptdURI
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<div class="line-block">
<div class="line">
The URI on which to run the
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
process.
</div>
<div class="line">
<em>
Default
</em>
:
<code class="leafygreen-ui-1l06pbn">
"mongodb://localhost:27020"
</code>
</div>
</div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
mongocryptdBypassSpawn
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<div class="line-block">
<div class="line">
When
<code class="leafygreen-ui-1l06pbn">
true
</code>
, prevents the driver from automatically
spawning
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
.
</div>
<div class="line">
<em>
Default
</em>
:
<code class="leafygreen-ui-1l06pbn">
false
</code>
</div>
</div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
mongocryptdSpawnPath
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<div class="line-block">
<div class="line">
The full path to
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
.
</div>
<div class="line">
<em>
Default
</em>
: Defaults to empty string and spawns from the system
path.
</div>
</div>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<p class="leafygreen-ui-1kp3ins">
If a
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
process is already running on the port specified by
the driver, the driver may log a warning and continue without spawning a
new process. Any settings specified by the driver only apply once the
existing process exits and a new encrypted client attempts to connect.
</p>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Example
<a class="headerlink leafygreen-ui-1kepx47" href="#example" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="example">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
To view examples of how to configure your
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
process, click the tab corresponding to the driver you are using in
your application:
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<p class="leafygreen-ui-1kp3ins">
The following code-snippet sets the listening port configuration
of
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"var extraOptions = new Dictionary<string,>()\n{\n { \"mongocryptdSpawnArgs\", new [] { \"--port=30000\" } },\n};\nautoEncryptionOptions.With(extraOptions: extraOptions);","programmingLanguage":"C#"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-9lvdmr">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> extraOptions = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Dictionary</span><string, object>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"mongocryptdSpawnArgs"</span>, <span class="lg-highlight-keyword">new</span> [] { <span class="lg-highlight-string">"--port=30000"</span> } },</td></tr><tr class=""><td class="leafygreen-ui-7razhx">};</td></tr><tr class=""><td class="leafygreen-ui-7razhx">autoEncryptionOptions.<span class="lg-highlight-title lg-highlight-class">With</span>(<span class="lg-highlight-attr">extraOptions</span>: extraOptions);</td></tr></tbody></table></code></pre>
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<p class="leafygreen-ui-1kp3ins">
The following code-snippet sets the default timeout configuration
of
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"var extraOptions = new Dictionary<string,>()\n{\n { \"idleShutdownTimeoutSecs\", 60 },\n};\nautoEncryptionOptions.With(extraOptions: extraOptions);","programmingLanguage":"C#"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-9lvdmr">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> extraOptions = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Dictionary</span><string, object>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"idleShutdownTimeoutSecs"</span>, <span class="lg-highlight-number">60</span> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx">};</td></tr><tr class=""><td class="leafygreen-ui-7razhx">autoEncryptionOptions.<span class="lg-highlight-title lg-highlight-class">With</span>(<span class="lg-highlight-attr">extraOptions</span>: extraOptions);</td></tr></tbody></table></code></pre>
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The following code-snippet sets the listening port configuration
of
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"extraOptions := map[string]interface{}{\n \"mongocryptdSpawnArgs\": []string{\n \"--port=30000\",\n },\n}","programmingLanguage":"Golang"}
</script>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">extraOptions <!-- -->:<!-- -->= map[string]interface{}{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"mongocryptdSpawnArgs"</span>: []string{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"--port=30000"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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Node.js
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<p class="leafygreen-ui-1kp3ins">
The following code-snippet sets the default timeout configuration
of
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"extraOptions := map[string]interface{}{\n \"mongocryptdSpawnArgs\": []string{\n \"--idleShutdownTimeoutSecs=75\",\n },\n}","programmingLanguage":"Golang"}
</script>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">extraOptions <!-- -->:<!-- -->= map[string]interface{}{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"mongocryptdSpawnArgs"</span>: []string{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"--idleShutdownTimeoutSecs=75"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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The following code-snippet sets the listening port configuration
of
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"List<string> spawnArgs = new ArrayList<string>();\nspawnArgs.add(\"--port=30000\");\n\nMap<string,> extraOpts = new HashMap<string,>();\nextraOpts.put(\"mongocryptdSpawnArgs\", spawnArgs);\n\nAutoEncryptionSettings autoEncryptionSettings = AutoEncryptionSettings.builder()\n ...\n .extraOptions(extraOpts);","programmingLanguage":"Java"}
</script>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">List</span><<span class="lg-highlight-title lg-highlight-class">String</span>> spawnArgs = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">ArrayList</span><<span class="lg-highlight-title lg-highlight-class">String</span>>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx">spawnArgs.<span class="lg-highlight-title lg-highlight-function">add</span>(<span class="lg-highlight-string">"--port=30000"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">Map</span><<span class="lg-highlight-title lg-highlight-class">String</span>, <span class="lg-highlight-title lg-highlight-class">Object</span>> extraOpts = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">HashMap</span><<span class="lg-highlight-title lg-highlight-class">String</span>, <span class="lg-highlight-title lg-highlight-class">Object</span>>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx">extraOpts.<span class="lg-highlight-title lg-highlight-function">put</span>(<span class="lg-highlight-string">"mongocryptdSpawnArgs"</span>, spawnArgs);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">AutoEncryptionSettings</span> autoEncryptionSettings = <span class="lg-highlight-title lg-highlight-class">AutoEncryptionSettings</span>.<span class="lg-highlight-title lg-highlight-function">builder</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">extraOptions</span>(extraOpts);</td></tr></tbody></table></code></pre>
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<p class="leafygreen-ui-1kp3ins">
The following code-snippet sets the default timeout configuration
of
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"List<string> spawnArgs = new ArrayList<string>();\nspawnArgs.add(\"--idleShutdownTimeoutSecs\")\n .add(\"60\");\n\nMap<string,> extraOpts = new HashMap<string,>();\nextraOpts.put(\"mongocryptdSpawnArgs\", spawnArgs);\n\nAutoEncryptionSettings autoEncryptionSettings = AutoEncryptionSettings.builder()\n ...\n .extraOptions(extraOpts);","programmingLanguage":"Java"}
</script>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">List</span><<span class="lg-highlight-title lg-highlight-class">String</span>> spawnArgs = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">ArrayList</span><<span class="lg-highlight-title lg-highlight-class">String</span>>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx">spawnArgs.<span class="lg-highlight-title lg-highlight-function">add</span>(<span class="lg-highlight-string">"--idleShutdownTimeoutSecs"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">add</span>(<span class="lg-highlight-string">"60"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">Map</span><<span class="lg-highlight-title lg-highlight-class">String</span>, <span class="lg-highlight-title lg-highlight-class">Object</span>> extraOpts = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">HashMap</span><<span class="lg-highlight-title lg-highlight-class">String</span>, <span class="lg-highlight-title lg-highlight-class">Object</span>>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx">extraOpts.<span class="lg-highlight-title lg-highlight-function">put</span>(<span class="lg-highlight-string">"mongocryptdSpawnArgs"</span>, spawnArgs);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">AutoEncryptionSettings</span> autoEncryptionSettings = <span class="lg-highlight-title lg-highlight-class">AutoEncryptionSettings</span>.<span class="lg-highlight-title lg-highlight-function">builder</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">extraOptions</span>(extraOpts);</td></tr></tbody></table></code></pre>
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<p class="leafygreen-ui-1kp3ins">
The following code-snippet sets the listening port configuration
of
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"autoEncryption: {\n ...\n extraOptions: {\n mongocryptdSpawnArgs: [\"--port\", \"30000\"],\n mongocryptdURI: 'mongodb://localhost:30000',\n }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-9lvdmr">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">autoEncryption</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">extraOptions</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">mongocryptdSpawnArgs</span>: <!-- -->[<span class="lg-highlight-string">"--port"</span>, <span class="lg-highlight-string">"30000"</span>]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">mongocryptdURI</span>: <span class="lg-highlight-string">'mongodb://localhost:30000'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}</td></tr></tbody></table></code></pre>
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<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
In the NodeJS driver, the
<code class="leafygreen-ui-1l06pbn">
mongocryptdURI
</code>
must match the listening port.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The following code-snippet sets the default timeout configuration
of
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"autoEncryption: {\n ...\n extraOptions: {\n mongocryptdSpawnArgs: [\"--idleShutdownTimeoutSecs\", \"75\"]\n }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-9lvdmr">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">autoEncryption</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">extraOptions</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">mongocryptdSpawnArgs</span>: <!-- -->[<span class="lg-highlight-string">"--idleShutdownTimeoutSecs"</span>, <span class="lg-highlight-string">"75"</span>]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr></tbody></table></code></pre>
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<p class="leafygreen-ui-1kp3ins">
The following code-snippet sets the listening port configuration
of
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"auto_encryption_opts = AutoEncryptionOpts(mongocryptd_spawn_args=['--port=30000'])","programmingLanguage":"Python"}
</script>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">auto_encryption_opts = <span class="lg-highlight-title lg-highlight-class">AutoEncryptionOpts</span>(mongocryptd_spawn_args=[<span class="lg-highlight-string">'--port=30000'</span>])</td></tr></tbody></table></code></pre>
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<p class="leafygreen-ui-1kp3ins">
The following code-snippet sets the default timeout configuration
of
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"auto_encryption_opts = AutoEncryptionOpts(mongocryptd_spawn_args=['--idleShutdownTimeoutSecs=75'])","programmingLanguage":"Python"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-9lvdmr">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">auto_encryption_opts = <span class="lg-highlight-title lg-highlight-class">AutoEncryptionOpts</span>(mongocryptd_spawn_args=[<span class="lg-highlight-string">'--idleShutdownTimeoutSecs=75'</span>])</td></tr></tbody></table></code></pre>
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|
https://www.mongodb.com/docs/manual/reference/stable-api/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Stable API
<a class="headerlink leafygreen-ui-1kepx47" href="#stable-api" title="Permalink to this heading">
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<div class="css-1btu0w3 evvkmar0" id="stable-api">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#what-is-the-stable-api--and-should-you-use-it-" target="_self">
<span>
What is the Stable API, and Should You Use It?
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#backward-compatibility-guarantee" target="_self">
<span>
Backward Compatibility Guarantee
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#declare-the-api-version" target="_self">
<span>
Declare the API Version
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#checking-client-api-versions" target="_self">
<span>
Checking Client API Versions
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#create-a-strict-client" target="_self">
<span>
Create a Strict Client
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#migrate-to-stable-api-commands" target="_self">
<span>
Migrate To Stable API Commands
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#how-to-use-commands-and-features-outside-of-the-stable-api" target="_self">
<span>
How To Use Commands and Features Outside of the Stable API
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#stable-api-commands" target="_self">
<span>
Stable API Commands
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#parameters" target="_self">
<span>
Parameters
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#behavior" target="_self">
<span>
Behavior
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#stable-api-error-responses" target="_self">
<span>
Stable API Error Responses
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
What is the Stable API, and Should You Use It?
<a class="headerlink leafygreen-ui-1kepx47" href="#what-is-the-stable-api--and-should-you-use-it-" title="Permalink to this heading">
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</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The MongoDB Stable API (previously labeled the Versioned API) lets you
upgrade your MongoDB server at will, and ensure that behavior changes
between MongoDB versions do not break your application.
</p>
<p class="leafygreen-ui-1kp3ins">
MongoDB 5.0 introduces the Stable API for applications
communicating with MongoDB server products. The Stable API allows
you to specify which version of the MongoDB API your application
runs against.
</p>
<p class="leafygreen-ui-1kp3ins">
The Stable API provides long-term API stability for applications
and supports more frequent releases and automatic server upgrades. This
allows your applications to take advantage of rapidly released
features without risking backwards-breaking changes.
</p>
<p class="leafygreen-ui-1kp3ins">
The default behavior for your driver connection will continue to
function as expected, even if you do not explicitly specify
an
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-api-version-desc" target="_self">
<span>
apiVersion
<!-- -->
.
</span>
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
The Stable API encompasses the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-api-v1-command-list" target="_self">
<span>
subset of MongoDB commands
</span>
</a>
that
applications use to read and write data, create collections
and indexes, and perform other common tasks.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Starting in February 2022, the "Versioned API" terminology was
changed to "Stable API". All concepts and features remain the same
with this naming change.
</p>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Backward Compatibility Guarantee
<a class="headerlink leafygreen-ui-1kepx47" href="#backward-compatibility-guarantee" title="Permalink to this heading">
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</h2>
<p class="leafygreen-ui-1kp3ins">
Your application will not experience significant behavior changes
resulting from server upgrades. This guarantee holds as long as the
new server supports your specified API version.
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<p class="leafygreen-ui-1kp3ins">
To guarantee backward compatibility, your application must:
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Declare an API version
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Only use commands and features supported in your specified API version
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Deploy with a supported version of an official driver
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<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Declare the API Version
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➤
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Use the
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Select your language
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To use the Stable API, upgrade to the latest driver and create your
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongosh <!-- -->-<!-- -->-<!-- -->apiVersion <span class="lg-highlight-number">1</span></td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongoc_client_t *<!-- -->client = <span class="lg-highlight-variable lg-highlight-constant">NULL</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">mongoc_server_api_t *<!-- -->server_api = <span class="lg-highlight-variable lg-highlight-constant">NULL</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">mongoc_server_api_version_t server_api_version;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">bson_error_t error;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">/*</span><span class="lg-highlight-comment"> For a replica </span><span class="lg-highlight-comment">set,</span><span class="lg-highlight-comment"> include the replica </span><span class="lg-highlight-comment">set</span><span class="lg-highlight-comment"> name and a </span><span class="lg-highlight-comment">seedlist of the</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> *</span><span class="lg-highlight-comment"> members in the </span><span class="lg-highlight-comment">URI string; e.g.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> * uri_repl = "mongodb://mongodb0.example.com:27017,mongodb1.example.com:" \</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> * "27017/?replicaSet=myRepl";</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> * client = mongoc_client_new (uri_repl);</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> *</span><span class="lg-highlight-comment"> For a sharded </span><span class="lg-highlight-comment">cluster,</span><span class="lg-highlight-comment"> connect to the </span><span class="lg-highlight-comment">mongos instances; e.g.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> * uri_sharded =</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> * "mongodb://mongos0.example.com:27017,mongos1.example.com:27017/";</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> * client = mongoc_client_new (uri_sharded);</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> */</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">/* Create a mongoc_client_t without server API options configured. */</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">client <!-- -->= <!-- -->get_client_for_version_api_example <!-- -->();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">mongoc_server_api_version_from_string <!-- -->(<span class="lg-highlight-string">"1"</span>, <!-- -->&server_api_version);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">server_api <!-- -->= <!-- -->mongoc_server_api_new <!-- -->(server_api_version);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">assert <!-- -->(<!-- -->mongoc_client_set_server_api <!-- -->(<!-- -->client, server_api, &error));</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">using namespace mongocxx;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">uri client_uri{<span class="lg-highlight-string">"mongodb://localhost"</span>};</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// Create an</span><span class="lg-highlight-comment"> option set for </span><span class="lg-highlight-comment">API v1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">const</span> auto server_api_opts <!-- -->=</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">options</span>::server_api<!-- -->{<span class="lg-highlight-attr">options</span>::<span class="lg-highlight-attr">server_api</span>::<span class="lg-highlight-title lg-highlight-function">version_from_string</span>(<span class="lg-highlight-string">"1"</span>)};</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Store it in </span><span class="lg-highlight-comment">the set of client options</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">const</span> auto client_opts <!-- -->=</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">options</span>::client{}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">server_api_opts</span>(<!-- -->server_api_opts)<!-- -->; <span class="lg-highlight-comment">// Set the version</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Create a new </span><span class="lg-highlight-comment">client with the options</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><!-- --><span class="lg-highlight-attr">mongocxx</span>::client client{client_uri, client_opts};</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> connectionString = <span class="lg-highlight-string">"mongodb://localhost"</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> serverApi = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">ServerApi</span>(<span class="lg-highlight-title lg-highlight-class">ServerApiVersion</span>.<span class="lg-highlight-property">V1</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> mongoClientSettings = <span class="lg-highlight-title lg-highlight-class">MongoClientSettings</span>.<span class="lg-highlight-title lg-highlight-class">FromConnectionString</span>(connectionString);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">mongoClientSettings.<span class="lg-highlight-property">ServerApi</span> = serverApi;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> mongoClient = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">MongoClient</span>(mongoClientSettings);</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// StableAPIExample is an example of</span><span class="lg-highlight-comment"> creating a client </span><span class="lg-highlight-comment">with stable API.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">func <span class="lg-highlight-title lg-highlight-class">StableAPIExample</span>() {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->ctx <!-- -->:= context.<span class="lg-highlight-title lg-highlight-function">TODO</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> For a replica </span><span class="lg-highlight-comment">set,</span><span class="lg-highlight-comment"> include the replica </span><span class="lg-highlight-comment">set</span><span class="lg-highlight-comment"> name and a </span><span class="lg-highlight-comment">seedlist of</span><span class="lg-highlight-comment"> the members in </span><span class="lg-highlight-comment">the URI string; e.g.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// uri := "mongodb://mongodb0.example.com:27017,mongodb1.example.com:27017/?replicaSet=myRepl"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> For a sharded </span><span class="lg-highlight-comment">cluster,</span><span class="lg-highlight-comment"> connect to the </span><span class="lg-highlight-comment">mongos instances; e.g.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// uri := "mongodb://mongos0.example.com:27017,mongos1.example.com:27017/"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> uri <!-- -->:<!-- -->= mtest.<span class="lg-highlight-title lg-highlight-class">ClusterURI</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> serverAPIOptions <!-- -->:<!-- -->= options.<span class="lg-highlight-title lg-highlight-class">ServerAPI</span>(options.<span class="lg-highlight-property">ServerAPIVersion1</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> clientOpts <!-- -->:<!-- -->= options.<span class="lg-highlight-title lg-highlight-class">Client</span>().<span class="lg-highlight-title lg-highlight-class">ApplyURI</span>(uri).<span class="lg-highlight-title lg-highlight-class">SetServerAPIOptions</span>(serverAPIOptions)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> client<!-- -->, <!-- -->err := mongo.<span class="lg-highlight-title lg-highlight-class">Connect</span>(clientOpts)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> err != nil {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">panic</span>(err)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> defer <span class="lg-highlight-title lg-highlight-function">func</span>() { _ = client.<span class="lg-highlight-title lg-highlight-class">Disconnect</span>(ctx) }()</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">MongoClient client = MongoClients.create(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> MongoClientSettings.builder()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .applyConnectionString(new ConnectionString(<connection string>))</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .serverApi(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ServerApi.builder()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .version(ServerApiVersion.V1)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .build()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ).build()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> );</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">return client;</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">val serverApi = <span class="lg-highlight-title lg-highlight-class">ServerApi</span>.<span class="lg-highlight-title lg-highlight-function">builder</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">version</span>(<span class="lg-highlight-title lg-highlight-class">ServerApiVersion</span>.<span class="lg-highlight-property">V1</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">build</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">val settings = <span class="lg-highlight-title lg-highlight-class">MongoClientSettings</span>.<span class="lg-highlight-title lg-highlight-function">builder</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">applyConnectionString</span>(<span class="lg-highlight-title lg-highlight-class">ConnectionString</span>(<span class="lg-highlight-string">"<connection string>"</span>))</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">serverApi</span>(serverApi)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">build</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">val client = <span class="lg-highlight-title lg-highlight-class">MongoClient</span>.<span class="lg-highlight-title lg-highlight-function">create</span>(settings)</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":" from pymongo.server_api import ServerApi\n\n client = AsyncIOMotorClient(uri, server_api=ServerApi(\"1\"))","programmingLanguage":"Python"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">from</span> pymongo.<span class="lg-highlight-property">server_api</span> <span class="lg-highlight-keyword">import</span> <span class="lg-highlight-title lg-highlight-class">ServerApi</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> client = <span class="lg-highlight-title lg-highlight-class">AsyncIOMotorClient</span>(uri, server_api=<span class="lg-highlight-title lg-highlight-class">ServerApi</span>(<span class="lg-highlight-string">"1"</span>))</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">$serverApi <!-- -->= <span class="lg-highlight-keyword">new</span> \<span class="lg-highlight-title lg-highlight-class">MongoDB</span>\<span class="lg-highlight-title lg-highlight-class">Driver</span>\<span class="lg-highlight-title lg-highlight-class">ServerApi</span>(<span class="lg-highlight-string">'1'</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">$client = <span class="lg-highlight-keyword">new</span> \<span class="lg-highlight-title lg-highlight-class">MongoDB</span>\<span class="lg-highlight-title lg-highlight-class">Client</span>($uriString, [<!-- -->], [<span class="lg-highlight-string">'serverApi'</span> => $serverApi]);</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"from pymongo.server_api import ServerApi\n\nMongoClient(uri, server_api=ServerApi(\"1\"))","programmingLanguage":"Python"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">from</span> pymongo.<span class="lg-highlight-property">server_api</span> <span class="lg-highlight-keyword">import</span> <span class="lg-highlight-title lg-highlight-class">ServerApi</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">MongoClient</span>(uri, server_api=<span class="lg-highlight-title lg-highlight-class">ServerApi</span>(<span class="lg-highlight-string">"1"</span>))</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">let</span> mut options = <span class="lg-highlight-title lg-highlight-class">ClientOptions</span>:<!-- -->:<span class="lg-highlight-title lg-highlight-function">parse</span>(&uri).<span class="lg-highlight-property">await</span>?;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">let</span> server_api <!-- -->= <span class="lg-highlight-title lg-highlight-class">ServerApi</span>::<span class="lg-highlight-title lg-highlight-function">builder</span>().<!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">version</span>(<span class="lg-highlight-title lg-highlight-class">ServerApiVersion</span>::<span class="lg-highlight-variable lg-highlight-constant">V1</span>).<span class="lg-highlight-title lg-highlight-function">build</span>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx">options.<span class="lg-highlight-property">server_api</span> = <span class="lg-highlight-title lg-highlight-class">Some</span>(server_api);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">let</span> client <!-- -->= <span class="lg-highlight-title lg-highlight-class">Client</span>::<span class="lg-highlight-title lg-highlight-function">with_options</span>(options)?;</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"\n let opts = MongoClientOptions(\n serverAPI: MongoServerAPI(version: .v1)\n )\n let client = try MongoClient(uri, using: myEventLoopGroup, options: opts)\n","programmingLanguage":"Swift"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">let</span> opts = <span class="lg-highlight-title lg-highlight-class">MongoClientOptions</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><!-- --><span class="lg-highlight-attr">serverAPI</span>: <span class="lg-highlight-title lg-highlight-class">MongoServerAPI</span>(<!-- --><!-- --><span class="lg-highlight-attr">version</span>: .<span class="lg-highlight-property">v1</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> )</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">let</span> client = <span class="lg-highlight-keyword">try</span> <span class="lg-highlight-title lg-highlight-class">MongoClient</span>(uri<!-- -->, <!-- --><!-- --><span class="lg-highlight-attr">using</span>: <!-- -->myEventLoopGroup, <span class="lg-highlight-attr">options</span>: opts)</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"\n let opts = MongoClientOptions(\n serverAPI: MongoServerAPI(version: .v1)\n )\n let client = try MongoClient(uri, options: opts)\n","programmingLanguage":"Swift"}
</script>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">let</span> opts = <span class="lg-highlight-title lg-highlight-class">MongoClientOptions</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><!-- --><span class="lg-highlight-attr">serverAPI</span>: <span class="lg-highlight-title lg-highlight-class">MongoServerAPI</span>(<!-- --><!-- --><span class="lg-highlight-attr">version</span>: .<span class="lg-highlight-property">v1</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> )</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">let</span> client = <span class="lg-highlight-keyword">try</span> <span class="lg-highlight-title lg-highlight-class">MongoClient</span>(uri<!-- -->, <!-- --><span class="lg-highlight-attr">options</span>: opts)</td></tr></tbody></table></code></pre>
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<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
"1"
</code>
is currently the only API version available.
</p>
<p class="leafygreen-ui-1kp3ins">
By default, clients are
<em>
non-strict
</em>
. A non-strict client allows you
to run any command, regardless of whether or not it belongs to the
Stable API.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Checking Client API Versions
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<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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</svg>
<div class="css-1btu0w3 evvkmar0" id="checking-client-api-versions">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-dbcommand-dbcmd.serverStatus">
<code class="leafygreen-ui-1l06pbn">
serverStatus
</code>
</a>
command to check for your
application's configured API version. For each application connected to
your MongoDB instance, an
<code class="leafygreen-ui-1l06pbn">
appname
</code>
appears in the
<code class="leafygreen-ui-1l06pbn">
apiVersions
</code>
document.
</p>
<p class="leafygreen-ui-1kp3ins">
See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#std-label-server-status-apiVersions">
metrics.apiVersions
</a>
for more
information.
</p>
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<span class="leafygreen-ui-1qnjd6d" id="std-label-stable-api-strict-client">
</span>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Create a Strict Client
<a class="headerlink leafygreen-ui-1kepx47" href="#create-a-strict-client" title="Permalink to this heading">
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</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
A
<em>
strict
</em>
client rejects all commands outside of the Stable API.
Attempts to use commands outside of the Stable API will receive the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-api-vers-resp" target="_self">
<span>
APIVersionError
</span>
</a>
response.
</p>
<p class="leafygreen-ui-1kp3ins">
A strict client also ignores
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/createIndexes/#std-label-create-indexes-stable-api">
unsupported index types
</a>
during
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/query-plans/#std-label-query-plans-query-optimization">
query planning
</a>
and
execution.
</p>
<p class="leafygreen-ui-1kp3ins">
Use the sample code to create a
<em>
strict
</em>
client:
</p>
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C#
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Motor
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Node.js
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PHP
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Ruby
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Rust
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Swift (Async)
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Swift (Sync)
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</div>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongosh <!-- -->-<!-- -->-<!-- -->apiVersion <span class="lg-highlight-number">1</span> <!-- -->-<!-- -->-<!-- -->apiStrict</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongoc_client_t *<!-- -->client = <span class="lg-highlight-variable lg-highlight-constant">NULL</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">mongoc_server_api_t *<!-- -->server_api = <span class="lg-highlight-variable lg-highlight-constant">NULL</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">mongoc_server_api_version_t server_api_version;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">bson_error_t error;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">/*</span><span class="lg-highlight-comment"> For a replica </span><span class="lg-highlight-comment">set,</span><span class="lg-highlight-comment"> include the replica </span><span class="lg-highlight-comment">set</span><span class="lg-highlight-comment"> name and a </span><span class="lg-highlight-comment">seedlist of the</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> *</span><span class="lg-highlight-comment"> members in the </span><span class="lg-highlight-comment">URI string; e.g.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> * uri_repl = "mongodb://mongodb0.example.com:27017,mongodb1.example.com:" \</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> * "27017/?replicaSet=myRepl";</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> * client = mongoc_client_new (uri_repl);</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> *</span><span class="lg-highlight-comment"> For a sharded </span><span class="lg-highlight-comment">cluster,</span><span class="lg-highlight-comment"> connect to the </span><span class="lg-highlight-comment">mongos instances; e.g.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> * uri_sharded =</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> * "mongodb://mongos0.example.com:27017,mongos1.example.com:27017/";</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> * client = mongoc_client_new (uri_sharded);</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> */</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">/* Create a mongoc_client_t without server API options configured. */</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">client <!-- -->= <!-- -->get_client_for_version_api_example <!-- -->();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">mongoc_server_api_version_from_string <!-- -->(<span class="lg-highlight-string">"1"</span>, <!-- -->&server_api_version);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">server_api <!-- -->= <!-- -->mongoc_server_api_new <!-- -->(server_api_version);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">mongoc_server_api_strict <!-- -->(server_api, <!-- --><span class="lg-highlight-literal">true</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">assert <!-- -->(<!-- -->mongoc_client_set_server_api <!-- -->(<!-- -->client, server_api, &error));</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"using namespace mongocxx;\nuri client_uri{\"mongodb://localhost\"};\n// Create an option set for API v1\nconst auto server_api_opts =\n options::server_api{options::server_api::version_from_string(\"1\")}\n .strict(true); // Enable strict mode for the server API\n// Store it in the set of client options\nconst auto client_opts =\n options::client{}\n .server_api_opts(server_api_opts); // Set the version and options\n// Create a new client with the options\nmongocxx::client client{client_uri, client_opts};","programmingLanguage":"C++"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">using namespace mongocxx;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">uri client_uri{<span class="lg-highlight-string">"mongodb://localhost"</span>};</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// Create an</span><span class="lg-highlight-comment"> option set for </span><span class="lg-highlight-comment">API v1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">const</span> auto server_api_opts <!-- -->=</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">options</span>::server_api<!-- -->{<span class="lg-highlight-attr">options</span>::<span class="lg-highlight-attr">server_api</span>::<span class="lg-highlight-title lg-highlight-function">version_from_string</span>(<span class="lg-highlight-string">"1"</span>)}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">strict</span>(<span class="lg-highlight-literal">true</span>)<!-- -->; <!-- --><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Enable strict mode </span><span class="lg-highlight-comment">for the server API</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Store it in </span><span class="lg-highlight-comment">the set of client options</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">const</span> auto client_opts <!-- -->=</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">options</span>::client{}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">server_api_opts</span>(<!-- -->server_api_opts)<!-- -->; <span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Set the version </span><span class="lg-highlight-comment">and options</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Create a new </span><span class="lg-highlight-comment">client with the options</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><!-- --><span class="lg-highlight-attr">mongocxx</span>::client client{client_uri, client_opts};</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> connectionString = <span class="lg-highlight-string">"mongodb://localhost"</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> serverApi = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">ServerApi</span>(<span class="lg-highlight-title lg-highlight-class">ServerApiVersion</span>.<span class="lg-highlight-property">V1</span>, <span class="lg-highlight-attr">strict</span>: <span class="lg-highlight-literal">true</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> mongoClientSettings = <span class="lg-highlight-title lg-highlight-class">MongoClientSettings</span>.<span class="lg-highlight-title lg-highlight-class">FromConnectionString</span>(connectionString);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">mongoClientSettings.<span class="lg-highlight-property">ServerApi</span> = serverApi;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> mongoClient = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">MongoClient</span>(mongoClientSettings);</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// StableAPIStrictExample is an example of</span><span class="lg-highlight-comment"> creating a client </span><span class="lg-highlight-comment">with strict stable API.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">func <span class="lg-highlight-title lg-highlight-class">StableAPIStrictExample</span>() {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->ctx <!-- -->:= context.<span class="lg-highlight-title lg-highlight-function">TODO</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> For a replica </span><span class="lg-highlight-comment">set,</span><span class="lg-highlight-comment"> include the replica </span><span class="lg-highlight-comment">set</span><span class="lg-highlight-comment"> name and a </span><span class="lg-highlight-comment">seedlist of</span><span class="lg-highlight-comment"> the members in </span><span class="lg-highlight-comment">the URI string; e.g.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// uri := "mongodb://mongodb0.example.com:27017,mongodb1.example.com:27017/?replicaSet=myRepl"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> For a sharded </span><span class="lg-highlight-comment">cluster,</span><span class="lg-highlight-comment"> connect to the </span><span class="lg-highlight-comment">mongos instances; e.g.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// uri := "mongodb://mongos0.example.com:27017,mongos1.example.com:27017/"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> uri <!-- -->:<!-- -->= mtest.<span class="lg-highlight-title lg-highlight-class">ClusterURI</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> serverAPIOptions <!-- -->:<!-- -->= options.<span class="lg-highlight-title lg-highlight-class">ServerAPI</span>(options.<span class="lg-highlight-property">ServerAPIVersion1</span>).<span class="lg-highlight-title lg-highlight-class">SetStrict</span>(<span class="lg-highlight-literal">true</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> clientOpts <!-- -->:<!-- -->= options.<span class="lg-highlight-title lg-highlight-class">Client</span>().<span class="lg-highlight-title lg-highlight-class">ApplyURI</span>(uri).<span class="lg-highlight-title lg-highlight-class">SetServerAPIOptions</span>(serverAPIOptions)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> client<!-- -->, <!-- -->err := mongo.<span class="lg-highlight-title lg-highlight-class">Connect</span>(clientOpts)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> err != nil {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">panic</span>(err)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> defer <span class="lg-highlight-title lg-highlight-function">func</span>() { _ = client.<span class="lg-highlight-title lg-highlight-class">Disconnect</span>(ctx) }()</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">MongoClient client = MongoClients.create(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> MongoClientSettings.builder()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .applyConnectionString(new ConnectionString(<connection string>))</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .serverApi(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ServerApi.builder()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .version(ServerApiVersion.V1)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .strict(true)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .build()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ).build()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> );</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">return client;</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"val serverApi = ServerApi.builder()\n .version(ServerApiVersion.V1)\n .strict(true)\n .build()","programmingLanguage":"Kotlin"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">val serverApi = <span class="lg-highlight-title lg-highlight-class">ServerApi</span>.<span class="lg-highlight-title lg-highlight-function">builder</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">version</span>(<span class="lg-highlight-title lg-highlight-class">ServerApiVersion</span>.<span class="lg-highlight-property">V1</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">strict</span>(<span class="lg-highlight-literal">true</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">build</span>()</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"> client = <span class="lg-highlight-title lg-highlight-class">AsyncIOMotorClient</span>(uri, server_api=<span class="lg-highlight-title lg-highlight-class">ServerApi</span>(<span class="lg-highlight-string">"1"</span>, strict=<span class="lg-highlight-title lg-highlight-class">True</span>))</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">$serverApi <!-- -->= <span class="lg-highlight-keyword">new</span> \<span class="lg-highlight-title lg-highlight-class">MongoDB</span>\<span class="lg-highlight-title lg-highlight-class">Driver</span>\<span class="lg-highlight-title lg-highlight-class">ServerApi</span>(<span class="lg-highlight-string">'1'</span>, <span class="lg-highlight-literal">true</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">$client = <span class="lg-highlight-keyword">new</span> \<span class="lg-highlight-title lg-highlight-class">MongoDB</span>\<span class="lg-highlight-title lg-highlight-class">Client</span>($uriString, [<!-- -->], [<span class="lg-highlight-string">'serverApi'</span> => $serverApi]);</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">let</span> mut options = <span class="lg-highlight-title lg-highlight-class">ClientOptions</span>:<!-- -->:<span class="lg-highlight-title lg-highlight-function">parse</span>(&uri).<span class="lg-highlight-property">await</span>?;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">let</span> server_api <!-- -->= <span class="lg-highlight-title lg-highlight-class">ServerApi</span>::<span class="lg-highlight-title lg-highlight-function">builder</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">version</span>(<!-- --><!-- --><span class="lg-highlight-title lg-highlight-class">ServerApiVersion</span>::<span class="lg-highlight-variable lg-highlight-constant">V1</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">strict</span>(<span class="lg-highlight-literal">true</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">build</span>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx">options.<span class="lg-highlight-property">server_api</span> = <span class="lg-highlight-title lg-highlight-class">Some</span>(server_api);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">let</span> client <!-- -->= <span class="lg-highlight-title lg-highlight-class">Client</span>::<span class="lg-highlight-title lg-highlight-function">with_options</span>(options)?;</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"\n let opts = MongoClientOptions(\n serverAPI: MongoServerAPI(version: .v1, strict: true)\n )\n let client = try MongoClient(uri, using: myEventLoopGroup, options: opts)\n","programmingLanguage":"Swift"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">let</span> opts = <span class="lg-highlight-title lg-highlight-class">MongoClientOptions</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><!-- --><span class="lg-highlight-attr">serverAPI</span>: <span class="lg-highlight-title lg-highlight-class">MongoServerAPI</span>(<!-- --><!-- --><span class="lg-highlight-attr">version</span>: <!-- -->.<!-- --><span class="lg-highlight-property">v1</span>, <span class="lg-highlight-attr">strict</span>: <span class="lg-highlight-literal">true</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> )</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">let</span> client = <span class="lg-highlight-keyword">try</span> <span class="lg-highlight-title lg-highlight-class">MongoClient</span>(uri<!-- -->, <!-- --><!-- --><span class="lg-highlight-attr">using</span>: <!-- -->myEventLoopGroup, <span class="lg-highlight-attr">options</span>: opts)</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"\n let opts = MongoClientOptions(\n serverAPI: MongoServerAPI(version: .v1, strict: true)\n )\n let client = try MongoClient(uri, options: opts)\n","programmingLanguage":"Swift"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">let</span> opts = <span class="lg-highlight-title lg-highlight-class">MongoClientOptions</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><!-- --><span class="lg-highlight-attr">serverAPI</span>: <span class="lg-highlight-title lg-highlight-class">MongoServerAPI</span>(<!-- --><!-- --><span class="lg-highlight-attr">version</span>: <!-- -->.<!-- --><span class="lg-highlight-property">v1</span>, <span class="lg-highlight-attr">strict</span>: <span class="lg-highlight-literal">true</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> )</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">let</span> client = <span class="lg-highlight-keyword">try</span> <span class="lg-highlight-title lg-highlight-class">MongoClient</span>(uri<!-- -->, <!-- --><span class="lg-highlight-attr">options</span>: opts)</td></tr></tbody></table></code></pre>
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<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Migrate To Stable API Commands
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</h2>
<p class="leafygreen-ui-1kp3ins">
To migrate your application to use the Stable API, you must:
</p>
<ol class="leafygreen-ui-rioki0" type="1">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Run your application's test suite with the new MongoClient options.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Determine which commands and features you're using that are outside
of the Stable API.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Migrate to alternative commands and features in the Stable API.
</p>
</li>
</ol>
<p class="leafygreen-ui-1kp3ins">
Once your application uses only commands and features defined in the
Stable API, you can redeploy it with the new MongoClient options
and be confident that future server upgrades won't negatively
impact your application.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
How To Use Commands and Features Outside of the Stable API
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</h2>
<p class="leafygreen-ui-1kp3ins">
To use commands and features outside of the Stable API, you can
connect to your deployment with a
<em>
non-strict
</em>
client. By default,
clients are
<em>
non-strict
</em>
.
</p>
<p class="leafygreen-ui-1kp3ins">
To create a
<em>
non-strict
</em>
client, use the following sample code:
</p>
<div aria-hidden="true">
</div>
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MongoDB Shell
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C++11
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C#
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</button>
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Java (Sync)
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Kotlin (Coroutine)
</div>
</button>
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Motor
</div>
</button>
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Node.js
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PHP
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Python
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Ruby
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</button>
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Rust
</div>
</button>
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Swift (Async)
</div>
</button>
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Swift (Sync)
</div>
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</div>
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<div class="leafygreen-ui-1kdmo88">
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongosh --apiVersion 1","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-9lvdmr">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongosh <!-- -->-<!-- -->-<!-- -->apiVersion <span class="lg-highlight-number">1</span></td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongoc_client_t *<!-- -->client = <span class="lg-highlight-variable lg-highlight-constant">NULL</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">mongoc_server_api_t *<!-- -->server_api = <span class="lg-highlight-variable lg-highlight-constant">NULL</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">mongoc_server_api_version_t server_api_version;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">bson_error_t error;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">/*</span><span class="lg-highlight-comment"> For a replica </span><span class="lg-highlight-comment">set,</span><span class="lg-highlight-comment"> include the replica </span><span class="lg-highlight-comment">set</span><span class="lg-highlight-comment"> name and a </span><span class="lg-highlight-comment">seedlist of the</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> *</span><span class="lg-highlight-comment"> members in the </span><span class="lg-highlight-comment">URI string; e.g.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> * uri_repl = "mongodb://mongodb0.example.com:27017,mongodb1.example.com:" \</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> * "27017/?replicaSet=myRepl";</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> * client = mongoc_client_new (uri_repl);</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> *</span><span class="lg-highlight-comment"> For a sharded </span><span class="lg-highlight-comment">cluster,</span><span class="lg-highlight-comment"> connect to the </span><span class="lg-highlight-comment">mongos instances; e.g.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> * uri_sharded =</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> * "mongodb://mongos0.example.com:27017,mongos1.example.com:27017/";</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> * client = mongoc_client_new (uri_sharded);</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> */</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">/* Create a mongoc_client_t without server API options configured. */</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">client <!-- -->= <!-- -->get_client_for_version_api_example <!-- -->();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">mongoc_server_api_version_from_string <!-- -->(<span class="lg-highlight-string">"1"</span>, <!-- -->&server_api_version);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">server_api <!-- -->= <!-- -->mongoc_server_api_new <!-- -->(server_api_version);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">mongoc_server_api_strict <!-- -->(server_api, <!-- --><span class="lg-highlight-literal">false</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">assert <!-- -->(<!-- -->mongoc_client_set_server_api <!-- -->(<!-- -->client, server_api, &error));</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">using namespace mongocxx;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">uri client_uri{<span class="lg-highlight-string">"mongodb://localhost"</span>};</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// Create an</span><span class="lg-highlight-comment"> option set for </span><span class="lg-highlight-comment">API v1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">const</span> auto server_api_opts <!-- -->=</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">options</span>::server_api<!-- -->{<span class="lg-highlight-attr">options</span>::<span class="lg-highlight-attr">server_api</span>::<span class="lg-highlight-title lg-highlight-function">version_from_string</span>(<span class="lg-highlight-string">"1"</span>)}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">strict</span>(<span class="lg-highlight-literal">false</span>)<!-- -->; <!-- --><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Explicitly disable strict </span><span class="lg-highlight-comment">mode</span><span class="lg-highlight-comment"> for the server </span><span class="lg-highlight-comment">API</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Store it in </span><span class="lg-highlight-comment">the set of client options</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">const</span> auto client_opts <!-- -->=</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">options</span>::client{}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">server_api_opts</span>(<!-- -->server_api_opts)<!-- -->; <span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Set the version </span><span class="lg-highlight-comment">and options</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Create a new </span><span class="lg-highlight-comment">client with the options</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><!-- --><span class="lg-highlight-attr">mongocxx</span>::client client{client_uri, client_opts};</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> connectionString = <span class="lg-highlight-string">"mongodb://localhost"</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> serverApi = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">ServerApi</span>(<span class="lg-highlight-title lg-highlight-class">ServerApiVersion</span>.<span class="lg-highlight-property">V1</span>, <span class="lg-highlight-attr">strict</span>: <span class="lg-highlight-literal">false</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> mongoClientSettings = <span class="lg-highlight-title lg-highlight-class">MongoClientSettings</span>.<span class="lg-highlight-title lg-highlight-class">FromConnectionString</span>(connectionString);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">mongoClientSettings.<span class="lg-highlight-property">ServerApi</span> = serverApi;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> mongoClient = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">MongoClient</span>(mongoClientSettings);</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// StableAPINonStrictExample is an example of</span><span class="lg-highlight-comment"> creating a client </span><span class="lg-highlight-comment">with non-strict stable API.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">func <span class="lg-highlight-title lg-highlight-class">StableAPINonStrictExample</span>() {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->ctx <!-- -->:= context.<span class="lg-highlight-title lg-highlight-function">TODO</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> For a replica </span><span class="lg-highlight-comment">set,</span><span class="lg-highlight-comment"> include the replica </span><span class="lg-highlight-comment">set</span><span class="lg-highlight-comment"> name and a </span><span class="lg-highlight-comment">seedlist of</span><span class="lg-highlight-comment"> the members in </span><span class="lg-highlight-comment">the URI string; e.g.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// uri := "mongodb://mongodb0.example.com:27017,mongodb1.example.com:27017/?replicaSet=myRepl"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> For a sharded </span><span class="lg-highlight-comment">cluster,</span><span class="lg-highlight-comment"> connect to the </span><span class="lg-highlight-comment">mongos instances; e.g.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// uri := "mongodb://mongos0.example.com:27017,mongos1.example.com:27017/"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> uri <!-- -->:<!-- -->= mtest.<span class="lg-highlight-title lg-highlight-class">ClusterURI</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> serverAPIOptions <!-- -->:<!-- -->= options.<span class="lg-highlight-title lg-highlight-class">ServerAPI</span>(options.<span class="lg-highlight-property">ServerAPIVersion1</span>).<span class="lg-highlight-title lg-highlight-class">SetStrict</span>(<span class="lg-highlight-literal">false</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> clientOpts <!-- -->:<!-- -->= options.<span class="lg-highlight-title lg-highlight-class">Client</span>().<span class="lg-highlight-title lg-highlight-class">ApplyURI</span>(uri).<span class="lg-highlight-title lg-highlight-class">SetServerAPIOptions</span>(serverAPIOptions)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> client<!-- -->, <!-- -->err := mongo.<span class="lg-highlight-title lg-highlight-class">Connect</span>(clientOpts)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> err != nil {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">panic</span>(err)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> defer <span class="lg-highlight-title lg-highlight-function">func</span>() { _ = client.<span class="lg-highlight-title lg-highlight-class">Disconnect</span>(ctx) }()</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"val serverApi = ServerApi.builder()\n .version(ServerApiVersion.V1)\n .strict(false)\n .build()","programmingLanguage":"Kotlin"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">val serverApi = <span class="lg-highlight-title lg-highlight-class">ServerApi</span>.<span class="lg-highlight-title lg-highlight-function">builder</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">version</span>(<span class="lg-highlight-title lg-highlight-class">ServerApiVersion</span>.<span class="lg-highlight-property">V1</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">strict</span>(<span class="lg-highlight-literal">false</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">build</span>()</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"> client = <span class="lg-highlight-title lg-highlight-class">AsyncIOMotorClient</span>(uri, server_api=<span class="lg-highlight-title lg-highlight-class">ServerApi</span>(<span class="lg-highlight-string">"1"</span>, strict=<span class="lg-highlight-title lg-highlight-class">False</span>))</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">$serverApi <!-- -->= <span class="lg-highlight-keyword">new</span> \<span class="lg-highlight-title lg-highlight-class">MongoDB</span>\<span class="lg-highlight-title lg-highlight-class">Driver</span>\<span class="lg-highlight-title lg-highlight-class">ServerApi</span>(<span class="lg-highlight-string">'1'</span>, <span class="lg-highlight-literal">false</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">$client = <span class="lg-highlight-keyword">new</span> \<span class="lg-highlight-title lg-highlight-class">MongoDB</span>\<span class="lg-highlight-title lg-highlight-class">Client</span>($uriString, [<!-- -->], [<span class="lg-highlight-string">'serverApi'</span> => $serverApi]);</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">let</span> mut options = <span class="lg-highlight-title lg-highlight-class">ClientOptions</span>:<!-- -->:<span class="lg-highlight-title lg-highlight-function">parse</span>(&uri).<span class="lg-highlight-property">await</span>?;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">let</span> server_api <!-- -->= <span class="lg-highlight-title lg-highlight-class">ServerApi</span>::<span class="lg-highlight-title lg-highlight-function">builder</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">version</span>(<!-- --><!-- --><span class="lg-highlight-title lg-highlight-class">ServerApiVersion</span>::<span class="lg-highlight-variable lg-highlight-constant">V1</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">strict</span>(<span class="lg-highlight-literal">false</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">build</span>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx">options.<span class="lg-highlight-property">server_api</span> = <span class="lg-highlight-title lg-highlight-class">Some</span>(server_api);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">let</span> client <!-- -->= <span class="lg-highlight-title lg-highlight-class">Client</span>::<span class="lg-highlight-title lg-highlight-function">with_options</span>(options)?;</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"\n let opts = MongoClientOptions(\n serverAPI: MongoServerAPI(version: .v1, strict: false)\n )\n let client = try MongoClient(uri, using: myEventLoopGroup, options: opts)\n","programmingLanguage":"Swift"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">let</span> opts = <span class="lg-highlight-title lg-highlight-class">MongoClientOptions</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><!-- --><span class="lg-highlight-attr">serverAPI</span>: <span class="lg-highlight-title lg-highlight-class">MongoServerAPI</span>(<!-- --><!-- --><span class="lg-highlight-attr">version</span>: <!-- -->.<!-- --><span class="lg-highlight-property">v1</span>, <span class="lg-highlight-attr">strict</span>: <span class="lg-highlight-literal">false</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> )</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">let</span> client = <span class="lg-highlight-keyword">try</span> <span class="lg-highlight-title lg-highlight-class">MongoClient</span>(uri<!-- -->, <!-- --><!-- --><span class="lg-highlight-attr">using</span>: <!-- -->myEventLoopGroup, <span class="lg-highlight-attr">options</span>: opts)</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"\n let opts = MongoClientOptions(\n serverAPI: MongoServerAPI(version: .v1, strict: false)\n )\n let client = try MongoClient(uri, options: opts)\n","programmingLanguage":"Swift"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">let</span> opts = <span class="lg-highlight-title lg-highlight-class">MongoClientOptions</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><!-- --><span class="lg-highlight-attr">serverAPI</span>: <span class="lg-highlight-title lg-highlight-class">MongoServerAPI</span>(<!-- --><!-- --><span class="lg-highlight-attr">version</span>: <!-- -->.<!-- --><span class="lg-highlight-property">v1</span>, <span class="lg-highlight-attr">strict</span>: <span class="lg-highlight-literal">false</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> )</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">let</span> client = <span class="lg-highlight-keyword">try</span> <span class="lg-highlight-title lg-highlight-class">MongoClient</span>(uri<!-- -->, <!-- --><span class="lg-highlight-attr">options</span>: opts)</td></tr></tbody></table></code></pre>
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<p class="leafygreen-ui-1kp3ins">
Using this non-strict client allows you to run commands outside of the
Stable API. For example, this non-strict client allows you to run the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/createUser/#mongodb-dbcommand-dbcmd.createUser">
<code class="leafygreen-ui-1l06pbn">
createUser
</code>
</a>
command.
</p>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Commands and features outside of the Stable API do not have the same
backward compatibility guarantees as versioned alternatives.
</p>
</div>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-api-v1-command-list">
</span>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Stable API Commands
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<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="stable-api-commands">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The database commands included in Stable API V1 depend on the MongoDB
version you are using. To view the database commands included in the
Stable API and the MongoDB version they were introduced, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/stable-api-changelog/#std-label-stable-api-changelog">
Stable API Changelog
<!-- -->
.
</a>
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-stable-api-params">
</span>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Parameters
<a class="headerlink leafygreen-ui-1kepx47" href="#parameters" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="parameters">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
You can specify the following optional parameters for Stable API in
your application's MongoDB driver connection code. Check the MongoDB
driver documentation for the driver you use in your application for
more information:
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-api-version-desc">
</span>
<span class="leafygreen-ui-1qnjd6d" id="std-label-api-strict-desc">
</span>
<span class="leafygreen-ui-1qnjd6d" id="std-label-api-depr-desc">
</span>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:10%"/>
<col style="width:70%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Parameter
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Type
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-api-version-desc" target="_self">
<span>
apiVersion
</span>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
string
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Specifies the API Version.
<code class="leafygreen-ui-1l06pbn">
"1"
</code>
is
currently the only supported version.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-api-strict-desc" target="_self">
<span>
apiStrict
</span>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
boolean
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<dl>
<dt>
If
<code class="leafygreen-ui-1l06pbn">
true
</code>
:
</dt>
<dd class="css-1ufxuu7">
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Using a command that is not part of the declared API
version returns an
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-api-strict-resp" target="_self">
<span>
APIStrictError
</span>
</a>
error.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Indexes that are
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/createIndexes/#std-label-create-indexes-stable-api">
unsupported
</a>
by the Stable API are ignored by the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/query-plans/#std-label-query-plans-query-optimization">
query planner
<!-- -->
.
</a>
</p>
</li>
</ul>
</dd>
</dl>
<p class="leafygreen-ui-1kp3ins">
If you specify
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-api-strict-desc" target="_self">
<span>
apiStrict
</span>
</a>
, you must also specify
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-api-version-desc" target="_self">
<span>
apiVersion
</span>
</a>
.
</p>
<p class="leafygreen-ui-1kp3ins">
If not specified, defaults to
<code class="leafygreen-ui-1l06pbn">
false
</code>
.
</p>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-api-depr-desc" target="_self">
<span>
apiDeprecationErrors
</span>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
boolean
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
If
<code class="leafygreen-ui-1l06pbn">
true
</code>
, using a command or behavior that is deprecated
in the specified API version returns an
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-api-deprecation-resp" target="_self">
<span>
APIDeprecationError
</span>
</a>
. If you specify
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-api-depr-desc" target="_self">
<span>
apiDeprecationErrors
</span>
</a>
, you must also specify
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-api-version-desc" target="_self">
<span>
apiVersion
</span>
</a>
.
</p>
<p class="leafygreen-ui-1kp3ins">
If not specified, defaults to
<code class="leafygreen-ui-1l06pbn">
false
</code>
.
</p>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Behavior
<a class="headerlink leafygreen-ui-1kepx47" href="#behavior" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="behavior">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Parameter Validation
<a class="headerlink leafygreen-ui-1kepx47" href="#parameter-validation" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="parameter-validation">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 5.0, API V1 database commands raise an error if
passed a parameter not explicitly accepted by the command.
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-api-error-responses">
</span>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Stable API Error Responses
<a class="headerlink leafygreen-ui-1kepx47" href="#stable-api-error-responses" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="stable-api-error-responses">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
This table shows error responses for problematic Stable API requests.
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:25%"/>
<col style="width:75%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Server Response
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Request
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-api-deprecation-resp" target="_self">
<span>
APIDeprecationError
</span>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-api-deprecation-resp">
</span>
<p class="leafygreen-ui-1kp3ins">
Specifies
<code class="leafygreen-ui-1l06pbn">
{ apiDeprecationErrors: true }
</code>
with
API version
<code class="leafygreen-ui-1l06pbn">
V
</code>
and uses a behavior deprecated in
<code class="leafygreen-ui-1l06pbn">
V
</code>
.
</p>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-api-strict-resp" target="_self">
<span>
APIStrictError
</span>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-api-strict-resp">
</span>
<p class="leafygreen-ui-1kp3ins">
Specifies
<code class="leafygreen-ui-1l06pbn">
{ apiStrict: true }
</code>
with API version
<code class="leafygreen-ui-1l06pbn">
V
</code>
,
but uses a behavior not in version
<code class="leafygreen-ui-1l06pbn">
V
</code>
.
</p>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-api-vers-resp" target="_self">
<span>
APIVersionError
</span>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-api-vers-resp">
</span>
<p class="leafygreen-ui-1kp3ins">
Specifies an
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-api-version-desc" target="_self">
<span>
apiVersion
</span>
</a>
that the server
does not support.
</p>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-api-invalid-opts-resp" target="_self">
<span>
InvalidOptions
</span>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-api-invalid-opts-resp">
</span>
<p class="leafygreen-ui-1kp3ins">
Specifies
<code class="leafygreen-ui-1l06pbn">
{ apiStrict: true }
</code>
or
<code class="leafygreen-ui-1l06pbn">
{ apiDeprecationErrors: true }
</code>
but omits
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-api-version-desc" target="_self">
<span>
apiVersion
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/stable-api-changelog/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Stable API Changelog
<a class="headerlink leafygreen-ui-1kepx47" href="#stable-api-changelog" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="stable-api-changelog">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#database-commands" target="_self">
<span>
Database Commands
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#aggregation" target="_self">
<span>
Aggregation
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#unsupported-aggregation-stages" target="_self">
<span>
Unsupported Aggregation Stages
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#supported-aggregation-operators" target="_self">
<span>
Supported Aggregation Operators
</span>
</a>
</li>
</ul>
</div>
<p class="leafygreen-ui-1kp3ins">
This page contains a changelog of the Stable API. The Stable API is
actively being expanded to include new database commands and
functionality.
</p>
<p class="leafygreen-ui-1kp3ins">
The commands and operators included in the Stable API depend on the
MongoDB version you are using. This page describes the MongoDB and
Stable API versions when a database command or specific sub-features of
a command are available.
</p>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Database Commands
<a class="headerlink leafygreen-ui-1kepx47" href="#database-commands" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="database-commands">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The following table describes:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The commands included in each version of the Stable API.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The MongoDB version in which the command was added to the Stable API.
</p>
</li>
</ul>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:15%"/>
<col style="width:5%"/>
<col style="width:10%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Command
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Stable API Version
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Added to Stable API in Version
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/count/#mongodb-dbcommand-dbcmd.count">
<code class="leafygreen-ui-1l06pbn">
count
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0, 5.0.9
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/abortTransaction/#mongodb-dbcommand-dbcmd.abortTransaction">
<code class="leafygreen-ui-1l06pbn">
abortTransaction
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/aggregate/#mongodb-dbcommand-dbcmd.aggregate">
<code class="leafygreen-ui-1l06pbn">
aggregate
</code>
</a>
(with limitations)
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/authenticate/#mongodb-dbcommand-dbcmd.authenticate">
<code class="leafygreen-ui-1l06pbn">
authenticate
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.bulkWrite/#mongodb-method-db.collection.bulkWrite">
<code class="leafygreen-ui-1l06pbn">
bulkWrite()
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.3
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/collMod/#mongodb-dbcommand-dbcmd.collMod">
<code class="leafygreen-ui-1l06pbn">
collMod
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/commitTransaction/#mongodb-dbcommand-dbcmd.commitTransaction">
<code class="leafygreen-ui-1l06pbn">
commitTransaction
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/create/#mongodb-dbcommand-dbcmd.create">
<code class="leafygreen-ui-1l06pbn">
create
</code>
</a>
(with limitations)
<a class="footnote-reference header-buffer" href="#footnote-stable-api-command-limitations" id="ref-stable-api-command-limitations-id1">
[
<!-- -->
1
<!-- -->
]
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/createIndexes/#mongodb-dbcommand-dbcmd.createIndexes">
<code class="leafygreen-ui-1l06pbn">
createIndexes
</code>
</a>
(with limitations)
<a class="footnote-reference header-buffer" href="#footnote-stable-api-command-limitations" id="ref-stable-api-command-limitations-id2">
[
<!-- -->
1
<!-- -->
]
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/delete/#mongodb-dbcommand-dbcmd.delete">
<code class="leafygreen-ui-1l06pbn">
delete
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/drop/#mongodb-dbcommand-dbcmd.drop">
<code class="leafygreen-ui-1l06pbn">
drop
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/dropDatabase/#mongodb-dbcommand-dbcmd.dropDatabase">
<code class="leafygreen-ui-1l06pbn">
dropDatabase
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/dropIndexes/#mongodb-dbcommand-dbcmd.dropIndexes">
<code class="leafygreen-ui-1l06pbn">
dropIndexes
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/endSessions/#mongodb-dbcommand-dbcmd.endSessions">
<code class="leafygreen-ui-1l06pbn">
endSessions
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/explain/#mongodb-dbcommand-dbcmd.explain">
<code class="leafygreen-ui-1l06pbn">
explain
</code>
</a>
<a class="footnote-reference header-buffer" href="#footnote-stable-api-explain" id="ref-stable-api-explain-id3">
[
<!-- -->
2
<!-- -->
]
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/find/#mongodb-dbcommand-dbcmd.find">
<code class="leafygreen-ui-1l06pbn">
find
</code>
</a>
(with limitations)
<a class="footnote-reference header-buffer" href="#footnote-stable-api-command-limitations" id="ref-stable-api-command-limitations-id4">
[
<!-- -->
1
<!-- -->
]
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/findAndModify/#mongodb-dbcommand-dbcmd.findAndModify">
<code class="leafygreen-ui-1l06pbn">
findAndModify
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/getMore/#mongodb-dbcommand-dbcmd.getMore">
<code class="leafygreen-ui-1l06pbn">
getMore
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/insert/#mongodb-dbcommand-dbcmd.insert">
<code class="leafygreen-ui-1l06pbn">
insert
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/hello/#mongodb-dbcommand-dbcmd.hello">
<code class="leafygreen-ui-1l06pbn">
hello
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/killCursors/#mongodb-dbcommand-dbcmd.killCursors">
<code class="leafygreen-ui-1l06pbn">
killCursors
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/listCollections/#mongodb-dbcommand-dbcmd.listCollections">
<code class="leafygreen-ui-1l06pbn">
listCollections
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/listDatabases/#mongodb-dbcommand-dbcmd.listDatabases">
<code class="leafygreen-ui-1l06pbn">
listDatabases
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/listIndexes/#mongodb-dbcommand-dbcmd.listIndexes">
<code class="leafygreen-ui-1l06pbn">
listIndexes
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/ping/#mongodb-dbcommand-dbcmd.ping">
<code class="leafygreen-ui-1l06pbn">
ping
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/refreshSessions/#mongodb-dbcommand-dbcmd.refreshSessions">
<code class="leafygreen-ui-1l06pbn">
refreshSessions
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/update/#mongodb-dbcommand-dbcmd.update">
<code class="leafygreen-ui-1l06pbn">
update
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<table class="header-buffer leafygreen-ui-rbqgrl" frame="void" id="footnote-stable-api-command-limitations" rules="none">
<colgroup>
<col/>
</colgroup>
<tbody valign="top">
<tr>
<td class="leafygreen-ui-17r2xs0">
[
<!-- -->
1
<!-- -->
]
</td>
<td class="leafygreen-ui-17r2xs0">
<em>
(
<a href="#ref-stable-api-command-limitations-id1">
1
</a>
,
<a href="#ref-stable-api-command-limitations-id2">
2
</a>
,
<a href="#ref-stable-api-command-limitations-id4">
3
</a>
)
</em>
<!-- -->
API V1 may not support all available options for these commands.
Refer to the specific command documentation for limitations specific
to API V1.
</td>
</tr>
</tbody>
</table>
<table class="header-buffer leafygreen-ui-rbqgrl" frame="void" id="footnote-stable-api-explain" rules="none">
<colgroup>
<col/>
</colgroup>
<tbody valign="top">
<tr>
<td class="leafygreen-ui-17r2xs0">
[
<a href="#ref-stable-api-explain-id3">
2
</a>
]
</td>
<td class="leafygreen-ui-17r2xs0">
<!-- -->
MongoDB does not guarantee any specific output format from the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/explain/#mongodb-dbcommand-dbcmd.explain">
<code class="leafygreen-ui-1l06pbn">
explain
</code>
</a>
command, even when using the Stable API.
</td>
</tr>
</tbody>
</table>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Aggregation
<a class="headerlink leafygreen-ui-1kepx47" href="#aggregation" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="aggregation">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
This section describes the aggregation stages and operators included in
the Stable API.
</p>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Unsupported Aggregation Stages
<a class="headerlink leafygreen-ui-1kepx47" href="#unsupported-aggregation-stages" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="unsupported-aggregation-stages">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The following aggregation stages are
<strong>
not included
</strong>
in the Stable API:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/currentOp/#mongodb-pipeline-pipe.-currentOp">
<code class="leafygreen-ui-1l06pbn">
$currentOp
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/indexStats/#mongodb-pipeline-pipe.-indexStats">
<code class="leafygreen-ui-1l06pbn">
$indexStats
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/listLocalSessions/#mongodb-pipeline-pipe.-listLocalSessions">
<code class="leafygreen-ui-1l06pbn">
$listLocalSessions
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/listSessions/#mongodb-pipeline-pipe.-listSessions">
<code class="leafygreen-ui-1l06pbn">
$listSessions
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/planCacheStats/#mongodb-pipeline-pipe.-planCacheStats">
<code class="leafygreen-ui-1l06pbn">
$planCacheStats
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/atlas-search/aggregation-stages/search/#mongodb-pipeline-pipe.-search" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$search
</code>
</span>
</a>
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
For more information on aggregation in the Stable API, see the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/aggregate/#std-label-aggregate-command-stable-api-support">
Stable API
</a>
section of the
<code class="leafygreen-ui-1l06pbn">
aggregate
</code>
command page.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Supported Aggregation Operators
<a class="headerlink leafygreen-ui-1kepx47" href="#supported-aggregation-operators" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="supported-aggregation-operators">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The following aggregation operators are included in the Stable API:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:15%"/>
<col style="width:5%"/>
<col style="width:10%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Operator
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Stable API Version
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Added to Stable API in Version
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/abs/#mongodb-expression-exp.-abs">
<code class="leafygreen-ui-1l06pbn">
$abs
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/add/#mongodb-expression-exp.-add">
<code class="leafygreen-ui-1l06pbn">
$add
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/addToSet/#mongodb-group-grp.-addToSet">
<code class="leafygreen-ui-1l06pbn">
$addToSet
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/and/#mongodb-expression-exp.-and">
<code class="leafygreen-ui-1l06pbn">
$and
</code>
</a>
(aggregation)
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/anyElementTrue/#mongodb-expression-exp.-anyElementTrue">
<code class="leafygreen-ui-1l06pbn">
$anyElementTrue
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/arrayElemAt/#mongodb-expression-exp.-arrayElemAt">
<code class="leafygreen-ui-1l06pbn">
$arrayElemAt
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/arrayToObject/#mongodb-expression-exp.-arrayToObject">
<code class="leafygreen-ui-1l06pbn">
$arrayToObject
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/avg/#mongodb-group-grp.-avg">
<code class="leafygreen-ui-1l06pbn">
$avg
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/binarySize/#mongodb-expression-exp.-binarySize">
<code class="leafygreen-ui-1l06pbn">
$binarySize
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/bitAnd/#mongodb-expression-exp.-bitAnd">
<code class="leafygreen-ui-1l06pbn">
$bitAnd
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 7.1
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/bitNot/#mongodb-expression-exp.-bitNot">
<code class="leafygreen-ui-1l06pbn">
$bitNot
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 7.1
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/bitOr/#mongodb-expression-exp.-bitOr">
<code class="leafygreen-ui-1l06pbn">
$bitOr
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 7.1
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/bitXor/#mongodb-expression-exp.-bitXor">
<code class="leafygreen-ui-1l06pbn">
$bitXor
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 7.1
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/bsonSize/#mongodb-expression-exp.-bsonSize">
<code class="leafygreen-ui-1l06pbn">
$bsonSize
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/bottom/#mongodb-group-grp.-bottom">
<code class="leafygreen-ui-1l06pbn">
$bottom
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/bottomN/#mongodb-group-grp.-bottomN">
<code class="leafygreen-ui-1l06pbn">
$bottomN
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/ceil/#mongodb-expression-exp.-ceil">
<code class="leafygreen-ui-1l06pbn">
$ceil
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/cmp/#mongodb-expression-exp.-cmp">
<code class="leafygreen-ui-1l06pbn">
$cmp
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/concat/#mongodb-expression-exp.-concat">
<code class="leafygreen-ui-1l06pbn">
$concat
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/concatArrays/#mongodb-expression-exp.-concatArrays">
<code class="leafygreen-ui-1l06pbn">
$concatArrays
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/cond/#mongodb-expression-exp.-cond">
<code class="leafygreen-ui-1l06pbn">
$cond
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/convert/#mongodb-expression-exp.-convert">
<code class="leafygreen-ui-1l06pbn">
$convert
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/count-accumulator/#mongodb-group-grp.-count">
<code class="leafygreen-ui-1l06pbn">
$count
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/covariancePop/#mongodb-group-grp.-covariancePop">
<code class="leafygreen-ui-1l06pbn">
$covariancePop
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/covarianceSamp/#mongodb-group-grp.-covarianceSamp">
<code class="leafygreen-ui-1l06pbn">
$covarianceSamp
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/dateAdd/#mongodb-expression-exp.-dateAdd">
<code class="leafygreen-ui-1l06pbn">
$dateAdd
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/dateDiff/#mongodb-expression-exp.-dateDiff">
<code class="leafygreen-ui-1l06pbn">
$dateDiff
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/dateFromParts/#mongodb-expression-exp.-dateFromParts">
<code class="leafygreen-ui-1l06pbn">
$dateFromParts
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/dateFromString/#mongodb-expression-exp.-dateFromString">
<code class="leafygreen-ui-1l06pbn">
$dateFromString
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/dateSubtract/#mongodb-expression-exp.-dateSubtract">
<code class="leafygreen-ui-1l06pbn">
$dateSubtract
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/dateToParts/#mongodb-expression-exp.-dateToParts">
<code class="leafygreen-ui-1l06pbn">
$dateToParts
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/dateToString/#mongodb-expression-exp.-dateToString">
<code class="leafygreen-ui-1l06pbn">
$dateToString
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/dateTrunc/#mongodb-expression-exp.-dateTrunc">
<code class="leafygreen-ui-1l06pbn">
$dateTrunc
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/denseRank/#mongodb-group-grp.-denseRank">
<code class="leafygreen-ui-1l06pbn">
$denseRank
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/densify/#mongodb-pipeline-pipe.-densify">
<code class="leafygreen-ui-1l06pbn">
$densify
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/derivative/#mongodb-group-grp.-derivative">
<code class="leafygreen-ui-1l06pbn">
$derivative
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/divide/#mongodb-expression-exp.-divide">
<code class="leafygreen-ui-1l06pbn">
$divide
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/documentNumber/#mongodb-group-grp.-documentNumber">
<code class="leafygreen-ui-1l06pbn">
$documentNumber
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/eq/#mongodb-expression-exp.-eq">
<code class="leafygreen-ui-1l06pbn">
$eq
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/exp/#mongodb-expression-exp.-exp">
<code class="leafygreen-ui-1l06pbn">
$exp
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/expMovingAvg/#mongodb-group-grp.-expMovingAvg">
<code class="leafygreen-ui-1l06pbn">
$expMovingAvg
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/filter/#mongodb-expression-exp.-filter">
<code class="leafygreen-ui-1l06pbn">
$filter
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/first/#mongodb-group-grp.-first">
<code class="leafygreen-ui-1l06pbn">
$first
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/floor/#mongodb-expression-exp.-floor">
<code class="leafygreen-ui-1l06pbn">
$floor
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/first/#mongodb-group-grp.-first">
<code class="leafygreen-ui-1l06pbn">
$first
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/firstN/#mongodb-group-grp.-firstN">
<code class="leafygreen-ui-1l06pbn">
$firstN
</code>
</a>
(aggregation accumulator)
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/firstN/#mongodb-expression-exp.-firstN">
<code class="leafygreen-ui-1l06pbn">
$firstN
</code>
</a>
(array operator)
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/getField/#mongodb-expression-exp.-getField">
<code class="leafygreen-ui-1l06pbn">
$getField
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/gt/#mongodb-expression-exp.-gt">
<code class="leafygreen-ui-1l06pbn">
$gt
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/gte/#mongodb-expression-exp.-gte">
<code class="leafygreen-ui-1l06pbn">
$gte
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/ifNull/#mongodb-expression-exp.-ifNull">
<code class="leafygreen-ui-1l06pbn">
$ifNull
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/in/#mongodb-expression-exp.-in">
<code class="leafygreen-ui-1l06pbn">
$in
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/indexOfArray/#mongodb-expression-exp.-indexOfArray">
<code class="leafygreen-ui-1l06pbn">
$indexOfArray
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/indexOfBytes/#mongodb-expression-exp.-indexOfBytes">
<code class="leafygreen-ui-1l06pbn">
$indexOfBytes
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/indexOfCP/#mongodb-expression-exp.-indexOfCP">
<code class="leafygreen-ui-1l06pbn">
$indexOfCP
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/integral/#mongodb-group-grp.-integral">
<code class="leafygreen-ui-1l06pbn">
$integral
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/isArray/#mongodb-expression-exp.-isArray">
<code class="leafygreen-ui-1l06pbn">
$isArray
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/isNumber/#mongodb-expression-exp.-isNumber">
<code class="leafygreen-ui-1l06pbn">
$isNumber
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/last/#mongodb-group-grp.-last">
<code class="leafygreen-ui-1l06pbn">
$last
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/lastN/#mongodb-group-grp.-lastN">
<code class="leafygreen-ui-1l06pbn">
$lastN
</code>
</a>
(aggregation accumulator)
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/lastN/#mongodb-expression-exp.-lastN">
<code class="leafygreen-ui-1l06pbn">
$lastN
</code>
</a>
(array operator)
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/let/#mongodb-expression-exp.-let">
<code class="leafygreen-ui-1l06pbn">
$let
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/literal/#mongodb-expression-exp.-literal">
<code class="leafygreen-ui-1l06pbn">
$literal
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/locf/#mongodb-group-grp.-locf">
<code class="leafygreen-ui-1l06pbn">
$locf
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/ln/#mongodb-expression-exp.-ln">
<code class="leafygreen-ui-1l06pbn">
$ln
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/log/#mongodb-expression-exp.-log">
<code class="leafygreen-ui-1l06pbn">
$log
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/log10/#mongodb-expression-exp.-log10">
<code class="leafygreen-ui-1l06pbn">
$log10
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/lt/#mongodb-expression-exp.-lt">
<code class="leafygreen-ui-1l06pbn">
$lt
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/lte/#mongodb-expression-exp.-lte">
<code class="leafygreen-ui-1l06pbn">
$lte
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/ltrim/#mongodb-expression-exp.-ltrim">
<code class="leafygreen-ui-1l06pbn">
$ltrim
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/map/#mongodb-expression-exp.-map">
<code class="leafygreen-ui-1l06pbn">
$map
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/max/#mongodb-group-grp.-max">
<code class="leafygreen-ui-1l06pbn">
$max
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/maxN/#mongodb-group-grp.-maxN">
<code class="leafygreen-ui-1l06pbn">
$maxN
</code>
</a>
(aggregation accumulator)
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/maxN-array-element/#mongodb-expression-exp.-maxN">
<code class="leafygreen-ui-1l06pbn">
$maxN
</code>
</a>
(array operator)
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/median/#mongodb-group-grp.-median">
<code class="leafygreen-ui-1l06pbn">
$median
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 7.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/mergeObjects/#mongodb-expression-exp.-mergeObjects">
<code class="leafygreen-ui-1l06pbn">
$mergeObjects
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/min/#mongodb-group-grp.-min">
<code class="leafygreen-ui-1l06pbn">
$min
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/minN/#mongodb-group-grp.-minN">
<code class="leafygreen-ui-1l06pbn">
$minN
</code>
</a>
(aggregation accumulator)
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/minN-array-element/#mongodb-expression-exp.-minN">
<code class="leafygreen-ui-1l06pbn">
$minN
</code>
</a>
(array operator)
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/mod/#mongodb-expression-exp.-mod">
<code class="leafygreen-ui-1l06pbn">
$mod
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/multiply/#mongodb-expression-exp.-multiply">
<code class="leafygreen-ui-1l06pbn">
$multiply
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/ne/#mongodb-expression-exp.-ne">
<code class="leafygreen-ui-1l06pbn">
$ne
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/not/#mongodb-expression-exp.-not">
<code class="leafygreen-ui-1l06pbn">
$not
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/objectToArray/#mongodb-expression-exp.-objectToArray">
<code class="leafygreen-ui-1l06pbn">
$objectToArray
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/or/#mongodb-expression-exp.-or">
<code class="leafygreen-ui-1l06pbn">
$or
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/percentile/#mongodb-group-grp.-percentile">
<code class="leafygreen-ui-1l06pbn">
$percentile
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 7.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/pow/#mongodb-expression-exp.-pow">
<code class="leafygreen-ui-1l06pbn">
$pow
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/push/#mongodb-group-grp.-push">
<code class="leafygreen-ui-1l06pbn">
$push
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/rand/#mongodb-expression-exp.-rand">
<code class="leafygreen-ui-1l06pbn">
$rand
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/range/#mongodb-expression-exp.-range">
<code class="leafygreen-ui-1l06pbn">
$range
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/rank/#mongodb-group-grp.-rank">
<code class="leafygreen-ui-1l06pbn">
$rank
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/reduce/#mongodb-expression-exp.-reduce">
<code class="leafygreen-ui-1l06pbn">
$reduce
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/regexFind/#mongodb-expression-exp.-regexFind">
<code class="leafygreen-ui-1l06pbn">
$regexFind
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/regexFindAll/#mongodb-expression-exp.-regexFindAll">
<code class="leafygreen-ui-1l06pbn">
$regexFindAll
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/regexMatch/#mongodb-expression-exp.-regexMatch">
<code class="leafygreen-ui-1l06pbn">
$regexMatch
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/replaceAll/#mongodb-expression-exp.-replaceAll">
<code class="leafygreen-ui-1l06pbn">
$replaceAll
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/replaceOne/#mongodb-expression-exp.-replaceOne">
<code class="leafygreen-ui-1l06pbn">
$replaceOne
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/reverseArray/#mongodb-expression-exp.-reverseArray">
<code class="leafygreen-ui-1l06pbn">
$reverseArray
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/round/#mongodb-expression-exp.-round">
<code class="leafygreen-ui-1l06pbn">
$round
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/rtrim/#mongodb-expression-exp.-rtrim">
<code class="leafygreen-ui-1l06pbn">
$rtrim
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/setDifference/#mongodb-expression-exp.-setDifference">
<code class="leafygreen-ui-1l06pbn">
$setDifference
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/setEquals/#mongodb-expression-exp.-setEquals">
<code class="leafygreen-ui-1l06pbn">
$setEquals
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/setField/#mongodb-expression-exp.-setField">
<code class="leafygreen-ui-1l06pbn">
$setField
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/setIntersection/#mongodb-expression-exp.-setIntersection">
<code class="leafygreen-ui-1l06pbn">
$setIntersection
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/setIsSubset/#mongodb-expression-exp.-setIsSubset">
<code class="leafygreen-ui-1l06pbn">
$setIsSubset
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/setUnion/#mongodb-expression-exp.-setUnion">
<code class="leafygreen-ui-1l06pbn">
$setUnion
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/setWindowFields/#mongodb-pipeline-pipe.-setWindowFields">
<code class="leafygreen-ui-1l06pbn">
$setWindowFields
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/shift/#mongodb-group-grp.-shift">
<code class="leafygreen-ui-1l06pbn">
$shift
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/slice/#mongodb-expression-exp.-slice">
<code class="leafygreen-ui-1l06pbn">
$slice
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/size/#mongodb-expression-exp.-size">
<code class="leafygreen-ui-1l06pbn">
$size
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/sortArray/#mongodb-expression-exp.-sortArray">
<code class="leafygreen-ui-1l06pbn">
$sortArray
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/split/#mongodb-expression-exp.-split">
<code class="leafygreen-ui-1l06pbn">
$split
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/sqrt/#mongodb-expression-exp.-sqrt">
<code class="leafygreen-ui-1l06pbn">
$sqrt
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/stdDevPop/#mongodb-group-grp.-stdDevPop">
<code class="leafygreen-ui-1l06pbn">
$stdDevPop
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/stdDevSamp/#mongodb-group-grp.-stdDevSamp">
<code class="leafygreen-ui-1l06pbn">
$stdDevSamp
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/strcasecmp/#mongodb-expression-exp.-strcasecmp">
<code class="leafygreen-ui-1l06pbn">
$strcasecmp
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/strLenBytes/#mongodb-expression-exp.-strLenBytes">
<code class="leafygreen-ui-1l06pbn">
$strLenBytes
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/strLenCP/#mongodb-expression-exp.-strLenCP">
<code class="leafygreen-ui-1l06pbn">
$strLenCP
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/substr/#mongodb-expression-exp.-substr">
<code class="leafygreen-ui-1l06pbn">
$substr
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/substrBytes/#mongodb-expression-exp.-substrBytes">
<code class="leafygreen-ui-1l06pbn">
$substrBytes
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/substrCP/#mongodb-expression-exp.-substrCP">
<code class="leafygreen-ui-1l06pbn">
$substrCP
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/subtract/#mongodb-expression-exp.-subtract">
<code class="leafygreen-ui-1l06pbn">
$subtract
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/sum/#mongodb-group-grp.-sum">
<code class="leafygreen-ui-1l06pbn">
$sum
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/switch/#mongodb-expression-exp.-switch">
<code class="leafygreen-ui-1l06pbn">
$switch
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/toHashedIndexKey/#mongodb-expression-exp.-toHashedIndexKey">
<code class="leafygreen-ui-1l06pbn">
$toHashedIndexKey
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/toLower/#mongodb-expression-exp.-toLower">
<code class="leafygreen-ui-1l06pbn">
$toLower
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/top/#mongodb-group-grp.-top">
<code class="leafygreen-ui-1l06pbn">
$top
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/topN/#mongodb-group-grp.-topN">
<code class="leafygreen-ui-1l06pbn">
$topN
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/toUpper/#mongodb-expression-exp.-toUpper">
<code class="leafygreen-ui-1l06pbn">
$toUpper
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/trim/#mongodb-expression-exp.-trim">
<code class="leafygreen-ui-1l06pbn">
$trim
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/trunc/#mongodb-expression-exp.-trunc">
<code class="leafygreen-ui-1l06pbn">
$trunc
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/type/#mongodb-expression-exp.-type">
<code class="leafygreen-ui-1l06pbn">
$type
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/tsIncrement/#mongodb-expression-exp.-tsIncrement">
<code class="leafygreen-ui-1l06pbn">
$tsIncrement
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/tsSecond/#mongodb-expression-exp.-tsSecond">
<code class="leafygreen-ui-1l06pbn">
$tsSecond
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 6.0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/zip/#mongodb-expression-exp.-zip">
<code class="leafygreen-ui-1l06pbn">
$zip
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
V1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 5.0
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</section>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/method/db.stats/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
db.stats()
<a class="headerlink leafygreen-ui-1kepx47" href="#db.stats--" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="db.stats--">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#description" target="_self">
<span>
Description
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#compatibility" target="_self">
<span>
Compatibility
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#behavior" target="_self">
<span>
Behavior
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#examples" target="_self">
<span>
Examples
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Description
<a class="headerlink leafygreen-ui-1kepx47" href="#description" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="description">
</div>
</a>
</h2>
<dl class="method">
<dt>
<code class="leafygreen-ui-1l06pbn">
db.stats(scale)
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-method-db.stats" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-method-db.stats">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Returns statistics that reflect the use state of a single
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-database">
database
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.stats" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.stats()
</code>
</span>
</a>
method is a wrapper around the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/dbStats/#mongodb-dbcommand-dbcmd.dbStats">
<code class="leafygreen-ui-1l06pbn">
dbStats
</code>
</a>
database command.
</p>
</dd>
</dl>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Compatibility
<a class="headerlink leafygreen-ui-1kepx47" href="#compatibility" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="compatibility">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
This method is available in deployments hosted in the following environments:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas?tck=docs_server" target="_self">
<span>
MongoDB Atlas
</span>
</a>
: The fully
managed service for MongoDB deployments in the cloud
</p>
</li>
</ul>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
This command has limited support in M0, M2, and M5 clusters.
For more information, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/unsupported-commands/" target="_self">
<span>
Unsupported Commands
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-enterprise/#std-label-install-mdb-enterprise">
MongoDB Enterprise
</a>
: The
subscription-based, self-managed version of MongoDB
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-community/#std-label-install-mdb-community-edition">
MongoDB Community
</a>
: The
source-available, free-to-use, and self-managed version of MongoDB
</p>
</li>
</ul>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Parameters
<a class="headerlink leafygreen-ui-1kepx47" href="#parameters" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="parameters">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.stats" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.stats()
</code>
</span>
</a>
method has the following optional parameters:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:20%"/>
<col style="width:80%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Parameter
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Type
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-db.stats-scale" target="_self">
<span>
scale
</span>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
number
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-db.stats-scale">
</span>
<p class="leafygreen-ui-1kp3ins">
Optional. The scale factor for the various size data. The
<code class="leafygreen-ui-1l06pbn">
scale
</code>
defaults to 1 to return size data in bytes. To
display kilobytes rather than bytes, specify a
<code class="leafygreen-ui-1l06pbn">
scale
</code>
value of
<code class="leafygreen-ui-1l06pbn">
1024
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
If you specify a non-integer scale factor, MongoDB uses the
integer part of the specified factor. For example, if you
specify a scale factor of
<code class="leafygreen-ui-1l06pbn">
1023.999
</code>
, MongoDB uses
<code class="leafygreen-ui-1l06pbn">
1023
</code>
as the scale factor.
</p>
<p class="leafygreen-ui-1kp3ins">
Starting in version 4.2, the output includes the
<code class="leafygreen-ui-1l06pbn">
scaleFactor
</code>
used to scale the size values.
</p>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-db.stats-freeStorage" target="_self">
<span>
freeStorage
</span>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
number
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-db.stats-freeStorage">
</span>
<p class="leafygreen-ui-1kp3ins">
Optional. To return information on free space allocated to
collections, set
<code class="leafygreen-ui-1l06pbn">
freeStorage
</code>
to 1.
</p>
<p class="leafygreen-ui-1kp3ins">
If the instance has a large number of collections or indexes,
obtaining free space usage data may cause processing delays. To
gather
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.stats" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.stats()
</code>
</span>
</a>
data without free space details,
either set
<code class="leafygreen-ui-1l06pbn">
freeStorage
</code>
to 0 or do not include the parameter.
</p>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Output
<a class="headerlink leafygreen-ui-1kepx47" href="#output" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="output">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.stats" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.stats()
</code>
</span>
</a>
method returns a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-document">
document
</a>
with
statistics about the database system's state. A complete listing,
including
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-db.stats-freeStorage" target="_self">
<span>
freeStorage
</span>
</a>
details, resembles
the following:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n db: 'test',\n collections: 2,\n views: 0,\n objects: 1689,\n avgObjSize: 52.56542332741267,\n dataSize: 86.7021484375,\n storageSize: 100,\n freeStorageSize: 32,\n indexes: 2,\n indexSize: 116,\n indexFreeStorageSize: 36,\n totalSize: 216,\n totalFreeStorageSize: 68,\n scaleFactor: 1024,\n fsUsedSize: 60155820,\n fsTotalSize: 61255492,\n ok: 1,\n '$clusterTime': {\n clusterTime: Timestamp({ t: 1646085664, i: 1 }),\n signature: {\n hash: Binary(Buffer.from(\"0000000000000000000000000000000000000000\", \"hex\"), 0),\n keyId: Long(\"0\")\n }\n },\n operationTime: Timestamp({ t: 1646085664, i: 1 })\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">'test'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">collections</span>: <span class="lg-highlight-number">2</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">views</span>: <span class="lg-highlight-number">0</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">objects</span>: <span class="lg-highlight-number">1689</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">avgObjSize</span>: <span class="lg-highlight-number">52.56542332741267</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">dataSize</span>: <span class="lg-highlight-number">86.7021484375</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">storageSize</span>: <span class="lg-highlight-number">100</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">freeStorageSize</span>: <span class="lg-highlight-number">32</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">indexes</span>: <span class="lg-highlight-number">2</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">indexSize</span>: <span class="lg-highlight-number">116</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">indexFreeStorageSize</span>: <span class="lg-highlight-number">36</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">totalSize</span>: <span class="lg-highlight-number">216</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">totalFreeStorageSize</span>: <span class="lg-highlight-number">68</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">scaleFactor</span>: <span class="lg-highlight-number">1024</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">fsUsedSize</span>: <span class="lg-highlight-number">60155820</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">fsTotalSize</span>: <span class="lg-highlight-number">61255492</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">ok</span>: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">'$clusterTime'</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">clusterTime</span>: <span class="lg-highlight-title lg-highlight-class">Timestamp</span>(<!-- -->{ <span class="lg-highlight-attr">t</span>: <span class="lg-highlight-number">1646085664</span>, <span class="lg-highlight-attr">i</span>: <span class="lg-highlight-number">1</span> })<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">signature</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">hash</span>: <span class="lg-highlight-title lg-highlight-class">Binary</span>(<span class="lg-highlight-title lg-highlight-class">Buffer</span>.<span class="lg-highlight-title lg-highlight-function">from</span>(<span class="lg-highlight-string">"0000000000000000000000000000000000000000"</span>, <span class="lg-highlight-string">"hex"</span>)<!-- -->, <span class="lg-highlight-number">0</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">keyId</span>: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">operationTime</span>: <span class="lg-highlight-title lg-highlight-class">Timestamp</span>(<!-- -->{ <span class="lg-highlight-attr">t</span>: <span class="lg-highlight-number">1646085664</span>, <span class="lg-highlight-attr">i</span>: <span class="lg-highlight-number">1</span> })</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</div>
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<p class="leafygreen-ui-1kp3ins">
For an explanation of the output, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/dbStats/#std-label-dbstats-output">
Output
<!-- -->
.
</a>
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Behavior
<a class="headerlink leafygreen-ui-1kepx47" href="#behavior" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="behavior">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Accuracy after Unexpected Shutdown
<a class="headerlink leafygreen-ui-1kepx47" href="#accuracy-after-unexpected-shutdown" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="accuracy-after-unexpected-shutdown">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
After an unclean shutdown of a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
using the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/wiredtiger/">
Wired Tiger
</a>
storage engine,
<!-- -->
count and size
<!-- -->
statistics reported by
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.stats" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.stats()
</code>
</span>
</a>
may be inaccurate.
</p>
<p class="leafygreen-ui-1kp3ins">
The amount of drift depends on the number of insert, update, or delete
operations performed between the last
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/wiredtiger/#std-label-storage-wiredtiger-checkpoints">
checkpoint
</a>
and the unclean shutdown. Checkpoints
usually occur every 60 seconds. However,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instances running
with non-default
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--syncdelay">
<code class="leafygreen-ui-1l06pbn">
--syncdelay
</code>
</a>
settings may have more or less frequent
checkpoints.
</p>
<p class="leafygreen-ui-1kp3ins">
Run
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/validate/#mongodb-dbcommand-dbcmd.validate">
<code class="leafygreen-ui-1l06pbn">
validate
</code>
</a>
on each collection on the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
to restore statistics after an unclean shutdown.
</p>
<p class="leafygreen-ui-1kp3ins">
After an unclean shutdown:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/validate/#mongodb-dbcommand-dbcmd.validate">
<code class="leafygreen-ui-1l06pbn">
validate
</code>
</a>
updates the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/collStats/#std-label-collstat-count">
count statistic
</a>
in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/collStats/#mongodb-dbcommand-dbcmd.collStats">
<code class="leafygreen-ui-1l06pbn">
collStats
</code>
</a>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/collStats/#std-label-collStats-output">
output
</a>
with the latest value.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Other statistics like the number of documents inserted or removed in
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/collStats/#mongodb-dbcommand-dbcmd.collStats">
<code class="leafygreen-ui-1l06pbn">
collStats
</code>
</a>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/collStats/#std-label-collStats-output">
output
</a>
are
estimates.
</p>
</li>
</ul>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Replica Set Member State Restriction
<a class="headerlink leafygreen-ui-1kepx47" href="#replica-set-member-state-restriction" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="replica-set-member-state-restriction">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To run on a replica set member,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/dbStats/#mongodb-dbcommand-dbcmd.dbStats">
<code class="leafygreen-ui-1l06pbn">
dbStats
</code>
</a>
operations require the member
to be in
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-states/#mongodb-replstate-replstate.PRIMARY">
<code class="leafygreen-ui-1l06pbn">
PRIMARY
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-states/#mongodb-replstate-replstate.SECONDARY">
<code class="leafygreen-ui-1l06pbn">
SECONDARY
</code>
</a>
state. If the member
is in another state, such as
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-states/#mongodb-replstate-replstate.STARTUP2">
<code class="leafygreen-ui-1l06pbn">
STARTUP2
</code>
</a>
, the
operation errors.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Examples
<a class="headerlink leafygreen-ui-1kepx47" href="#examples" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="examples">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Scale Output Values
<a class="headerlink leafygreen-ui-1kepx47" href="#scale-output-values" title="Permalink to this heading">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="scale-output-values">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To return values in kilobytes, set the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-db.stats-scale" target="_self">
<span>
scale
</span>
</a>
to
<code class="leafygreen-ui-1l06pbn">
1024
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.stats(1024)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">stats</span>(<span class="lg-highlight-number">1024</span>)</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
The scale factor rounds values to whole numbers.
</p>
</div>
</div>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Return a Single Value
<a class="headerlink leafygreen-ui-1kepx47" href="#return-a-single-value" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="return-a-single-value">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To return a single value, such as
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/dbStats/#mongodb-data-dbStats.indexSize">
<code class="leafygreen-ui-1l06pbn">
indexSize
</code>
</a>
, append
the field name to
<code class="leafygreen-ui-1l06pbn">
db.stats()
</code>
.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.stats().indexSize\ndb.stats(1024).indexSize","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">stats</span>(<!-- -->).<span class="lg-highlight-property">indexSize</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">stats</span>(<span class="lg-highlight-number">1024</span>).<span class="lg-highlight-property">indexSize</span></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The output shows the difference between the original and scaled values.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"118784\n116","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-number">118784</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-number">116</span></td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Return Information on Free Space Allocated to Collections
<a class="headerlink leafygreen-ui-1kepx47" href="#return-information-on-free-space-allocated-to-collections" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="return-information-on-free-space-allocated-to-collections">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To return information on free space allocated to collections, pass the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/dbStats/#std-label-dbStats-freeStorage">
freeStorage
</a>
parameter to
<code class="leafygreen-ui-1l06pbn">
db.stats()
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
The following example returns the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/dbStats/#mongodb-data-dbStats.indexFreeStorageSize">
<code class="leafygreen-ui-1l06pbn">
indexFreeStorageSize
</code>
</a>
in kilobytes:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.stats( { freeStorage: 1, scale: 1024 } ).indexFreeStorageSize"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.stats( { freeStorage: 1, scale: 1024 } ).indexFreeStorageSize</td></tr></tbody></table></code></pre>
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<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
</section>
</section>
|
https://www.mongodb.com/docs/manual/core/inmemory/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
In-Memory Storage Engine for Self-Managed Deployments
<a class="headerlink leafygreen-ui-1kepx47" href="#in-memory-storage-engine-for-self-managed-deployments" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="in-memory-storage-engine-for-self-managed-deployments">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#specify-in-memory-storage-engine" target="_self">
<span>
Specify In-Memory Storage Engine
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#transaction--read-and-write--concurrency" target="_self">
<span>
Transaction (Read and Write) Concurrency
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#document-level-concurrency" target="_self">
<span>
Document Level Concurrency
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#memory-use" target="_self">
<span>
Memory Use
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#durability" target="_self">
<span>
Durability
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#transactions" target="_self">
<span>
Transactions
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#deployment-architectures" target="_self">
<span>
Deployment Architectures
</span>
</a>
</li>
</ul>
</div>
<p class="leafygreen-ui-1kp3ins">
The in-memory storage engine is part of general availability (GA) in 64-bit
builds. Other than some metadata and diagnostic data, the in-memory storage
engine does not maintain any on-disk data, including configuration data,
indexes, user credentials, etc.
</p>
<p class="leafygreen-ui-1kp3ins">
By avoiding disk I/O, the in-memory storage engine allows for more
predictable latency of database operations.
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-inmemory-specify-storage-engine">
</span>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Specify In-Memory Storage Engine
<a class="headerlink leafygreen-ui-1kepx47" href="#specify-in-memory-storage-engine" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="specify-in-memory-storage-engine">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
To select the in-memory storage engine, specify:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
inMemory
</code>
for the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--storageEngine">
<code class="leafygreen-ui-1l06pbn">
--storageEngine
</code>
</a>
option, or the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-storage.engine">
<code class="leafygreen-ui-1l06pbn">
storage.engine
</code>
</a>
setting if using a configuration file.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
--dbpath
</code>
, or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-storage.dbPath">
<code class="leafygreen-ui-1l06pbn">
storage.dbPath
</code>
</a>
if using a configuration
file. Although the in-memory storage engine does not write data to
the filesystem, it maintains in the
<code class="leafygreen-ui-1l06pbn">
--dbpath
</code>
small metadata files
and diagnostic data as well temporary files for building large
indexes.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
For example, from the command line:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongod --storageEngine inMemory --dbpath <path>","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongod --storageEngine inMemory --dbpath <path></td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Or, if using the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/">
YAML configuration file format
<!-- -->
:
</a>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"storage:\n engine: inMemory\n dbPath: <path>","programmingLanguage":"YAML"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light yaml leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">storage:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">engine:</span> <span class="lg-highlight-string">inMemory</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">dbPath:</span> <span class="lg-highlight-string"><path></span></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-label-cli-mongod-inmemory">
inMemory Options
</a>
for configuration options specific to
this storage engine. Most
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
configuration options are
available for use with in-memory storage engine except for those
options that are related to data persistence, such as journaling or
encryption at rest configuration.
</p>
<div class="leafygreen-ui-1sjx7ru" role="note">
<h2 class="leafygreen-ui-29m78u">
Warning
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
The in-memory storage engine does not persist data after process shutdown.
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
</div>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-inmemory-concurrency">
</span>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Transaction (Read and Write) Concurrency
<a class="headerlink leafygreen-ui-1kepx47" href="#transaction--read-and-write--concurrency" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="transaction--read-and-write--concurrency">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Starting in version 7.0, MongoDB uses a default algorithm to dynamically
adjust the maximum number of concurrent storage engine transactions
(read and write tickets). The dynamic concurrent storage engine
transaction algorithm optimizes database throughput during cluster
overload. The maximum number of concurrent storage engine transactions
(read and write tickets) never exceeds 128 read tickets and 128
write tickets and may differ across nodes in a cluster. The maximum
number of read tickets and write tickets within a single node are always
equal.
</p>
<p class="leafygreen-ui-1kp3ins">
To specify a maximum number of read and write transactions (read and
write tickets) that the dynamic maximum can not exceed, use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.storageEngineConcurrentReadTransactions">
<code class="leafygreen-ui-1l06pbn">
storageEngineConcurrentReadTransactions
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.storageEngineConcurrentWriteTransactions">
<code class="leafygreen-ui-1l06pbn">
storageEngineConcurrentWriteTransactions
</code>
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
If you want to disable the dynamic concurrent storage engine
transactions algorithm, file a support request to work with a MongoDB
Technical Services Engineer.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Document Level Concurrency
<a class="headerlink leafygreen-ui-1kepx47" href="#document-level-concurrency" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="document-level-concurrency">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The in-memory storage engine uses
<em>
document-level
</em>
concurrency control for write
operations. As a result, multiple clients can modify different
documents of a collection at the same time.
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-inmemory-memory-use">
</span>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Memory Use
<a class="headerlink leafygreen-ui-1kepx47" href="#memory-use" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="memory-use">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
In-memory storage engine requires that all its data (including indexes,
oplog if
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance is part of a replica set, etc.) must
fit into the specified
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--inMemorySizeGB">
<code class="leafygreen-ui-1l06pbn">
--inMemorySizeGB
</code>
</a>
command-line option
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-storage.inMemory.engineConfig.inMemorySizeGB">
<code class="leafygreen-ui-1l06pbn">
storage.inMemory.engineConfig.inMemorySizeGB
</code>
</a>
setting in
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#std-label-configuration-options">
YAML configuration file
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
By default, the in-memory storage engine uses 50% of physical RAM minus
1 GB.
</p>
<p class="leafygreen-ui-1kp3ins">
If a write operation would cause the data to exceed the specified
memory size, MongoDB returns with the error:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"\"WT_CACHE_FULL: operation would overflow cache\"","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string">"WT_CACHE_FULL: operation would overflow cache"</span></td></tr></tbody></table></code></pre>
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<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
To specify a new size, use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-storage.inMemory.engineConfig.inMemorySizeGB">
<code class="leafygreen-ui-1l06pbn">
storage.inMemory.engineConfig.inMemorySizeGB
</code>
</a>
setting in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/">
YAML configuration file format
<!-- -->
:
</a>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"storage:\n engine: inMemory\n dbPath: <path>\n inMemory:\n engineConfig:\n inMemorySizeGB: <newsize>","programmingLanguage":"YAML"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light yaml leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">storage:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">engine:</span> <span class="lg-highlight-string">inMemory</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">dbPath:</span> <span class="lg-highlight-string"><path></span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">inMemory:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">engineConfig:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">inMemorySizeGB:</span> <span class="lg-highlight-string"><newSize></span></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Or use the command-line option
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--inMemorySizeGB">
<code class="leafygreen-ui-1l06pbn">
--inMemorySizeGB
</code>
:
</a>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongod --storageEngine inMemory --dbpath <path> --inMemorySizeGB <newsize>","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongod --storageEngine inMemory --dbpath <path> --inMemorySizeGB <newSize></td></tr></tbody></table></code></pre>
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<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</button>
</div>
</div>
</div>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-inmemory-durability">
</span>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Durability
<a class="headerlink leafygreen-ui-1kepx47" href="#durability" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="durability">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The in-memory storage engine is non-persistent and does not write data
to a persistent storage. Non-persisted data includes
application data and system data, such as users, permissions, indexes,
replica set configuration, sharded cluster configuration, etc.
</p>
<p class="leafygreen-ui-1kp3ins">
As such, the concept of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-journal">
journal
</a>
or waiting for data to become
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-durable">
durable
</a>
does not apply to the in-memory storage engine.
</p>
<p class="leafygreen-ui-1kp3ins">
If any voting member of a replica set uses the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-storage-inmemory" target="_self">
<span>
in-memory
storage engine
</span>
</a>
, you must set
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/#mongodb-rsconf-rsconf.writeConcernMajorityJournalDefault">
<code class="leafygreen-ui-1l06pbn">
writeConcernMajorityJournalDefault
</code>
</a>
to
<code class="leafygreen-ui-1l06pbn">
false
</code>
.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Starting in version 4.2 (and 4.0.13 and 3.6.14 ), if a replica set
member uses the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-storage-inmemory" target="_self">
<span>
in-memory storage engine
</span>
</a>
(voting or non-voting) but the replica set has
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/#mongodb-rsconf-rsconf.writeConcernMajorityJournalDefault">
<code class="leafygreen-ui-1l06pbn">
writeConcernMajorityJournalDefault
</code>
</a>
set to true, the
replica set member logs a startup warning.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
With
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/#mongodb-rsconf-rsconf.writeConcernMajorityJournalDefault">
<code class="leafygreen-ui-1l06pbn">
writeConcernMajorityJournalDefault
</code>
</a>
set to
<code class="leafygreen-ui-1l06pbn">
false
</code>
,
MongoDB does not wait for
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#mongodb-writeconcern-writeconcern.-majority-">
<code class="leafygreen-ui-1l06pbn">
w: "majority"
</code>
</a>
writes to be written to the on-disk journal before acknowledging the
writes. As such,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#mongodb-writeconcern-writeconcern.-majority-">
<code class="leafygreen-ui-1l06pbn">
"majority"
</code>
</a>
write operations could
possibly roll back in the event of a transient loss (e.g. crash and
restart) of a majority of nodes in a given replica set.
</p>
<p class="leafygreen-ui-1kp3ins">
Write operations that specify a write concern
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#mongodb-writeconcern-writeconcern.j">
<code class="leafygreen-ui-1l06pbn">
journaled
</code>
</a>
are acknowledged immediately. When an
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance
shuts down, either as result of the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/shutdown/#mongodb-dbcommand-dbcmd.shutdown">
<code class="leafygreen-ui-1l06pbn">
shutdown
</code>
</a>
command or
due to a system error, recovery of in-memory data is impossible.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Transactions
<a class="headerlink leafygreen-ui-1kepx47" href="#transactions" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="transactions">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Transactions are supported on replica sets
and sharded clusters where:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
the primary uses the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/wiredtiger/#std-label-storage-wiredtiger">
WiredTiger
</a>
storage
engine, and
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
the secondary members use either the WiredTiger storage engine or the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-storage-inmemory" target="_self">
<span>
in-memory
</span>
</a>
storage engines.
</p>
</li>
</ul>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
You cannot run transactions on a sharded cluster that has a shard
with
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/#mongodb-rsconf-rsconf.writeConcernMajorityJournalDefault">
<code class="leafygreen-ui-1l06pbn">
writeConcernMajorityJournalDefault
</code>
</a>
set to
<code class="leafygreen-ui-1l06pbn">
false
</code>
, such as a shard with a voting member that uses the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-storage-inmemory" target="_self">
<span>
in-memory storage engine
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Deployment Architectures
<a class="headerlink leafygreen-ui-1kepx47" href="#deployment-architectures" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="deployment-architectures">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
In addition to running as standalones,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instances that
use in-memory storage engine can run as part of a replica set or part
of a sharded cluster.
</p>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Replica Set
<a class="headerlink leafygreen-ui-1kepx47" href="#replica-set" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="replica-set">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
You can deploy
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instances that use in-memory storage
engine as part of a replica set. For example, as part of a three-member
replica set, you could have:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
two
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instances run with in-memory storage engine.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
one
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance run with
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/wiredtiger/">
WiredTiger
</a>
storage engine. Configure the WiredTiger member
as a hidden member (i.e.
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/#mongodb-rsconf-rsconf.members-n-.hidden">
<code class="leafygreen-ui-1l06pbn">
hidden: true
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/#mongodb-rsconf-rsconf.members-n-.priority">
<code class="leafygreen-ui-1l06pbn">
priority: 0
</code>
</a>
).
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
With this deployment model, only the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instances
running with the in-memory storage engine can become the primary.
Clients connect only to the in-memory storage engine
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instances. Even if both
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instances running in-memory
storage engine crash and restart, they can sync from the member running
WiredTiger. The hidden
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance running with
WiredTiger persists the data to disk, including the user data, indexes,
and replication configuration information.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
In-memory storage engine requires that all its data (including oplog
if
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
is part of replica set, etc.) fit into the
specified
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--inMemorySizeGB">
<code class="leafygreen-ui-1l06pbn">
--inMemorySizeGB
</code>
</a>
command-line option or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-storage.inMemory.engineConfig.inMemorySizeGB">
<code class="leafygreen-ui-1l06pbn">
storage.inMemory.engineConfig.inMemorySizeGB
</code>
</a>
setting. See
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-inmemory-memory-use" target="_self">
<span>
Memory Use
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Sharded Cluster
<a class="headerlink leafygreen-ui-1kepx47" href="#sharded-cluster" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="sharded-cluster">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
You can deploy
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instances that use an in-memory
storage engine as part of a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-sharded-cluster">
sharded cluster
</a>
. The in-memory
storage engine avoids disk I/O to allow for more
predictable database operation latency. In a sharded cluster, a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-shard">
shard
</a>
can consist of a single
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-program-mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance or a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-replica-set">
replica set
</a>
. For example, you could have one shard that
consists of the following replica set:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
two
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instances run with in-memory storage engine
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
one
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance run with
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/wiredtiger/">
WiredTiger
</a>
storage engine. Configure the WiredTiger member
as a hidden member (i.e.
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/#mongodb-rsconf-rsconf.members-n-.hidden">
<code class="leafygreen-ui-1l06pbn">
hidden: true
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/#mongodb-rsconf-rsconf.members-n-.priority">
<code class="leafygreen-ui-1l06pbn">
priority: 0
</code>
</a>
).
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
To this shard, add the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/sh.addShardTag/#mongodb-method-sh.addShardTag">
<code class="leafygreen-ui-1l06pbn">
tag
</code>
</a>
<code class="leafygreen-ui-1l06pbn">
inmem
</code>
. For
example, if this shard has the name
<code class="leafygreen-ui-1l06pbn">
shardC
</code>
, connect to the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
and run
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/sh.addShardTag/#mongodb-method-sh.addShardTag">
<code class="leafygreen-ui-1l06pbn">
sh.addShardTag()
</code>
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
For example,
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sh.addShardTag(\"shardC\", \"inmem\")","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sh.<span class="lg-highlight-title lg-highlight-function">addShardTag</span>(<span class="lg-highlight-string">"shardC"</span>, <span class="lg-highlight-string">"inmem"</span>)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
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</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
To the other shards, add a separate tag
<code class="leafygreen-ui-1l06pbn">
persisted
</code>
.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sh.addShardTag(\"shardA\", \"persisted\")\nsh.addShardTag(\"shardB\", \"persisted\")","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sh.<span class="lg-highlight-title lg-highlight-function">addShardTag</span>(<span class="lg-highlight-string">"shardA"</span>, <span class="lg-highlight-string">"persisted"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">sh.<span class="lg-highlight-title lg-highlight-function">addShardTag</span>(<span class="lg-highlight-string">"shardB"</span>, <span class="lg-highlight-string">"persisted"</span>)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For each sharded collection that should reside on the
<code class="leafygreen-ui-1l06pbn">
inmem
</code>
shard,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/sh.addTagRange/#mongodb-method-sh.addTagRange">
<code class="leafygreen-ui-1l06pbn">
assign to the entire chunk range
</code>
</a>
the tag
<code class="leafygreen-ui-1l06pbn">
inmem
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sh.addTagRange(\"test.analytics\", { shardKey: MinKey }, { shardKey: MaxKey }, \"inmem\")","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sh.<span class="lg-highlight-title lg-highlight-function">addTagRange</span>(<span class="lg-highlight-string">"test.analytics"</span>, <!-- -->{ <span class="lg-highlight-attr">shardKey</span>: <span class="lg-highlight-title lg-highlight-class">MinKey</span> }<!-- -->, <!-- -->{ <span class="lg-highlight-attr">shardKey</span>: <span class="lg-highlight-title lg-highlight-class">MaxKey</span> }<!-- -->, <span class="lg-highlight-string">"inmem"</span>)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For each sharded collection that should reside across the
<code class="leafygreen-ui-1l06pbn">
persisted
</code>
shards,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/sh.addTagRange/#mongodb-method-sh.addTagRange">
<code class="leafygreen-ui-1l06pbn">
assign to the entire chunk range
</code>
</a>
the tag
<code class="leafygreen-ui-1l06pbn">
persisted
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sh.addTagRange(\"salesdb.orders\", { shardKey: MinKey }, { shardKey: MaxKey }, \"persisted\")","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sh.<span class="lg-highlight-title lg-highlight-function">addTagRange</span>(<span class="lg-highlight-string">"salesdb.orders"</span>, <!-- -->{ <span class="lg-highlight-attr">shardKey</span>: <span class="lg-highlight-title lg-highlight-class">MinKey</span> }<!-- -->, <!-- -->{ <span class="lg-highlight-attr">shardKey</span>: <span class="lg-highlight-title lg-highlight-class">MaxKey</span> }<!-- -->, <span class="lg-highlight-string">"persisted"</span>)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For the
<code class="leafygreen-ui-1l06pbn">
inmem
</code>
shard, create a database or move the database.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Read concern level
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern-snapshot/#mongodb-readconcern-readconcern.-snapshot-">
<code class="leafygreen-ui-1l06pbn">
"snapshot"
</code>
</a>
is not officially supported
with the in-memory storage engine.
</p>
</div>
</div>
</section>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/method/cursor.skip/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
cursor.skip()
<a class="headerlink leafygreen-ui-1kepx47" href="#cursor.skip--" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="cursor.skip--">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
<span>
Definition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#behavior" target="_self">
<span>
Behavior
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#pagination-example" target="_self">
<span>
Pagination Example
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Definition
<a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="definition">
</div>
</a>
</h2>
<dl class="method">
<dt>
<code class="leafygreen-ui-1l06pbn">
cursor.skip(<offset>)
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-method-cursor.skip" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-method-cursor.skip">
</div>
</a>
</dt>
<dd>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
mongosh Method
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
This page documents a
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
method. This is
<em>
not
</em>
the documentation for a language-specific driver, such as Node.js.
</p>
<p class="leafygreen-ui-1kp3ins">
For MongoDB API drivers, refer to the language-specific
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/drivers/" target="_self">
<span>
MongoDB driver documentation
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Call the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-cursor.skip" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
skip()
</code>
</span>
</a>
method on a cursor to control where
MongoDB begins returning results. This approach may be useful in
implementing paginated results.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
You must apply
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-cursor.skip" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
skip()
</code>
</span>
</a>
to the cursor before
retrieving any documents from the database.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-cursor.skip" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
skip()
</code>
</span>
</a>
method has the following parameter:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:20%"/>
<col style="width:80%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Parameter
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Type
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
offset
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
number
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The number of documents to skip in the results set.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</dd>
</dl>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Behavior
<a class="headerlink leafygreen-ui-1kepx47" href="#behavior" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="behavior">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Using
<code class="leafygreen-ui-1l06pbn">
skip()
</code>
with
<code class="leafygreen-ui-1l06pbn">
sort()
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#using-skip---with-sort--" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="using-skip---with-sort--">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
If using
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-cursor.skip" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
skip()
</code>
</span>
</a>
with
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/cursor.sort/#mongodb-method-cursor.sort">
<code class="leafygreen-ui-1l06pbn">
sort()
</code>
</a>
, be
sure to include at least one field in your sort that contains
unique values, before passing results to
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-cursor.skip" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
skip()
</code>
.
</span>
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
Sorting on fields that contain duplicate values may return an
inconsistent sort order for those duplicate fields over multiple
executions, especially when the collection is actively receiving writes.
</p>
<p class="leafygreen-ui-1kp3ins">
The easiest way to guarantee sort consistency is to include the
<code class="leafygreen-ui-1l06pbn">
_id
</code>
field in your sort query.
</p>
<p class="leafygreen-ui-1kp3ins">
See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/cursor.sort/#std-label-sort-cursor-consistent-sorting">
Consistent sorting with the sort() method
</a>
for more information.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Using
<code class="leafygreen-ui-1l06pbn">
skip()
</code>
with
<code class="leafygreen-ui-1l06pbn">
limit()
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#using-skip---with-limit--" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="using-skip---with-limit--">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
When you chain
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-cursor.skip" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
skip()
</code>
</span>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/cursor.limit/#mongodb-method-cursor.limit">
<code class="leafygreen-ui-1l06pbn">
limit()
</code>
</a>
, the
method chaining order does not affect the results. The server always
applies the skip operation based on the sort order before it applies the
limit on how many documents to return.
</p>
<p class="leafygreen-ui-1kp3ins">
The following code example shows different chaining orders for
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-cursor.skip" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
skip()
</code>
</span>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/cursor.limit/#mongodb-method-cursor.limit">
<code class="leafygreen-ui-1l06pbn">
limit()
</code>
</a>
that always produce
the same query results for the same data set:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.myColl.find().sort({_id: 1}).skip(3).limit(6);\n\ndb.myColl.find().sort({_id: 1}).limit(6).skip(3);","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">myColl</span>.<span class="lg-highlight-title lg-highlight-function">find</span>(<!-- -->).<span class="lg-highlight-title lg-highlight-function">sort</span>(<!-- -->{<span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">1</span>}).<span class="lg-highlight-title lg-highlight-function">skip</span>(<span class="lg-highlight-number">3</span>).<span class="lg-highlight-title lg-highlight-function">limit</span>(<span class="lg-highlight-number">6</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">myColl</span>.<span class="lg-highlight-title lg-highlight-function">find</span>(<!-- -->).<span class="lg-highlight-title lg-highlight-function">sort</span>(<!-- -->{<span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">1</span>}).<span class="lg-highlight-title lg-highlight-function">limit</span>(<span class="lg-highlight-number">6</span>).<span class="lg-highlight-title lg-highlight-function">skip</span>(<span class="lg-highlight-number">3</span>)<!-- -->;</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Pagination Example
<a class="headerlink leafygreen-ui-1kepx47" href="#pagination-example" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="pagination-example">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Using
<code class="leafygreen-ui-1l06pbn">
skip()
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#using-skip--" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="using-skip--">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The following JavaScript function uses
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-cursor.skip" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
skip()
</code>
</span>
</a>
to
paginate a collection by its
<code class="leafygreen-ui-1l06pbn">
_id
</code>
field:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"function printStudents(pageNumber, nPerPage) {\n print( \"Page: \" + pageNumber );\n db.students.find()\n .sort( { _id: 1 } )\n .skip( pageNumber > 0 ? ( ( pageNumber - 1 ) * nPerPage ) : 0 )\n .limit( nPerPage )\n .forEach( student => {\n print( student.name );\n } );\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword lg-highlight-function">function</span> <span class="lg-highlight-title lg-highlight-function">printStudents</span>(<span class="lg-highlight-params">pageNumber, nPerPage</span>)<!-- --> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">print</span>( <span class="lg-highlight-string">"Page: "</span> <!-- -->+ <!-- -->pageNumber )<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->db.<span class="lg-highlight-property">students</span>.<span class="lg-highlight-title lg-highlight-function">find</span>(<!-- -->)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">sort</span>( <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">1</span> } )</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">skip</span>( <!-- -->pageNumber <!-- -->> <span class="lg-highlight-number">0</span> <!-- -->? <!-- -->( <!-- -->( <!-- -->pageNumber <!-- -->- <span class="lg-highlight-number">1</span> ) <!-- -->* <!-- -->nPerPage ) <!-- -->: <span class="lg-highlight-number">0</span> )</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">limit</span>( <!-- -->nPerPage )</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">forEach</span>( <span class="lg-highlight-params lg-highlight-function">student</span><span class="lg-highlight-function"> =></span> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">print</span>( <!-- -->student.<span class="lg-highlight-property">name</span> )<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->} )<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-cursor.skip" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
skip()
</code>
</span>
</a>
method requires the server to scan from the
beginning of the input results set before beginning to return results.
As the offset increases,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-cursor.skip" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
skip()
</code>
</span>
</a>
will become slower.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Using Range Queries
<a class="headerlink leafygreen-ui-1kepx47" href="#using-range-queries" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="using-range-queries">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Range queries can use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/indexes/#std-label-indexes">
indexes
</a>
to avoid scanning
unwanted documents, typically yielding better performance as the offset
grows compared to using
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-cursor.skip" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
skip()
</code>
</span>
</a>
for pagination.
</p>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Descending Order
<a class="headerlink leafygreen-ui-1kepx47" href="#descending-order" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="descending-order">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Use this procedure to implement pagination with range queries:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Choose a field such as
<code class="leafygreen-ui-1l06pbn">
_id
</code>
which generally changes in a consistent
direction over time and has a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/index-unique/#std-label-index-type-unique">
unique index
</a>
to prevent duplicate values,
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Query for documents whose field is less than the start value
using the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/query/lt/#mongodb-query-op.-lt">
<code class="leafygreen-ui-1l06pbn">
$lt
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/cursor.sort/#mongodb-method-cursor.sort">
<code class="leafygreen-ui-1l06pbn">
sort()
</code>
</a>
operators, and
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Store the last-seen field value for the next query.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
For example, the following function uses the above procedure to print
pages of student names from a collection, sorted approximately in order
of newest documents first using the
<code class="leafygreen-ui-1l06pbn">
_id
</code>
field (that is, in
<em>
descending
</em>
order):
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"function printStudents(startValue, nPerPage) {\n let endValue = null;\n db.students.find( { _id: { $lt: startValue } } )\n .sort( { _id: -1 } )\n .limit( nPerPage )\n .forEach( student => {\n print( student.name );\n endValue = student._id;\n } );\n\n return endValue;\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword lg-highlight-function">function</span> <span class="lg-highlight-title lg-highlight-function">printStudents</span>(<span class="lg-highlight-params">startValue, nPerPage</span>)<!-- --> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">let</span> endValue <!-- -->= <span class="lg-highlight-literal">null</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->db.<span class="lg-highlight-property">students</span>.<span class="lg-highlight-title lg-highlight-function">find</span>( <!-- -->{ <span class="lg-highlight-attr">_id</span>: <!-- -->{ <span class="lg-highlight-attr">$lt</span>: <!-- -->startValue } } )</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">sort</span>( <!-- -->{ <span class="lg-highlight-attr">_id</span>: <!-- -->-<span class="lg-highlight-number">1</span> } )</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">limit</span>( <!-- -->nPerPage )</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">forEach</span>( <span class="lg-highlight-params lg-highlight-function">student</span><span class="lg-highlight-function"> =></span> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">print</span>( <!-- -->student.<span class="lg-highlight-property">name</span> )<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->endValue <!-- -->= <!-- -->student.<span class="lg-highlight-property">_id</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->} )<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> <!-- -->endValue<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
You may then use the following code to print all student names using this
pagination function, using
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/mongodb-extended-json/#mongodb-bsontype-MaxKey">
<code class="leafygreen-ui-1l06pbn">
MaxKey
</code>
</a>
to start
from the largest possible key:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"let currentKey = MaxKey;\nwhile (currentKey !== null) {\n currentKey = printStudents(currentKey, 10);\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">let</span> currentKey <!-- -->= <span class="lg-highlight-title lg-highlight-class">MaxKey</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">while</span> <!-- -->(<!-- -->currentKey <!-- -->!<!-- -->== <span class="lg-highlight-literal">null</span>) <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->currentKey <!-- -->= <span class="lg-highlight-title lg-highlight-function">printStudents</span>(<!-- -->currentKey<!-- -->, <span class="lg-highlight-number">10</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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</div>
</div>
</div>
</div>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
While
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/bson-types/#std-label-objectid">
ObjectId
</a>
values should increase over time, they are not
necessarily monotonic. This is because they:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Only contain one second of temporal resolution, so
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/bson-types/#std-label-objectid">
ObjectId
</a>
values created within the same second do not have a guaranteed
ordering, and
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Are generated by clients, which may have differing system clocks.
</p>
</li>
</ul>
</div>
</div>
</section>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Ascending Order
<a class="headerlink leafygreen-ui-1kepx47" href="#ascending-order" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="ascending-order">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Returning paginated results in ascending order is similar to the
previous, but uses
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/query/gt/#mongodb-query-op.-gt">
<code class="leafygreen-ui-1l06pbn">
$gt
</code>
</a>
with an
<em>
ascending
</em>
sort order:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"function printStudents(startValue, nPerPage) {\n let endValue = null;\n db.students.find( { _id: { $gt: startValue } } )\n .sort( { _id: 1 } )\n .limit( nPerPage )\n .forEach( student => {\n print( student.name );\n endValue = student._id;\n } );\n\n return endValue;\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword lg-highlight-function">function</span> <span class="lg-highlight-title lg-highlight-function">printStudents</span>(<span class="lg-highlight-params">startValue, nPerPage</span>)<!-- --> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">let</span> endValue <!-- -->= <span class="lg-highlight-literal">null</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->db.<span class="lg-highlight-property">students</span>.<span class="lg-highlight-title lg-highlight-function">find</span>( <!-- -->{ <span class="lg-highlight-attr">_id</span>: <!-- -->{ <span class="lg-highlight-attr">$gt</span>: <!-- -->startValue } } )</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">sort</span>( <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">1</span> } )</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">limit</span>( <!-- -->nPerPage )</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">forEach</span>( <span class="lg-highlight-params lg-highlight-function">student</span><span class="lg-highlight-function"> =></span> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">print</span>( <!-- -->student.<span class="lg-highlight-property">name</span> )<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->endValue <!-- -->= <!-- -->student.<span class="lg-highlight-property">_id</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->} )<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> <!-- -->endValue<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Using this function is likewise similar, but with
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/mongodb-extended-json/#mongodb-bsontype-MinKey">
<code class="leafygreen-ui-1l06pbn">
MinKey
</code>
</a>
as the starting key:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"let currentKey = MinKey;\nwhile (currentKey !== null) {\n currentKey = printStudents(currentKey, 10);\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">let</span> currentKey <!-- -->= <span class="lg-highlight-title lg-highlight-class">MinKey</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">while</span> <!-- -->(<!-- -->currentKey <!-- -->!<!-- -->== <span class="lg-highlight-literal">null</span>) <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->currentKey <!-- -->= <span class="lg-highlight-title lg-highlight-function">printStudents</span>(<!-- -->currentKey<!-- -->, <span class="lg-highlight-number">10</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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</div>
</section>
</section>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/command/serverStatus/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
serverStatus
<a class="headerlink leafygreen-ui-1kepx47" href="#serverstatus" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="serverstatus">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
<span>
Definition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#compatibility" target="_self">
<span>
Compatibility
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#syntax" target="_self">
<span>
Syntax
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#behavior" target="_self">
<span>
Behavior
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#initialization" target="_self">
<span>
Initialization
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#include-mirroredreads" target="_self">
<span>
Include
<code class="css-1kekw28 e1wawog0">
mirroredReads
</code>
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#output" target="_self">
<span>
Output
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#asserts" target="_self">
<span>
asserts
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#bucketcatalog" target="_self">
<span>
bucketCatalog
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#catalogstats" target="_self">
<span>
catalogStats
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#changestreampreimages" target="_self">
<span>
changeStreamPreImages
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#connections" target="_self">
<span>
connections
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#defaultrwconcern" target="_self">
<span>
defaultRWConcern
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#electionmetrics" target="_self">
<span>
electionMetrics
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#extra_info" target="_self">
<span>
extra_info
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#flowcontrol" target="_self">
<span>
flowControl
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#globallock" target="_self">
<span>
globalLock
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#hedgingmetrics" target="_self">
<span>
hedgingMetrics
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#indexbuilds" target="_self">
<span>
indexBuilds
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#indexbulkbuilder" target="_self">
<span>
indexBulkBuilder
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#indexstats" target="_self">
<span>
indexStats
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#instance-information" target="_self">
<span>
Instance Information
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#locks" target="_self">
<span>
locks
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#logicalsessionrecordcache" target="_self">
<span>
logicalSessionRecordCache
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#mem" target="_self">
<span>
mem
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#metrics" target="_self">
<span>
metrics
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#mirroredreads" target="_self">
<span>
mirroredReads
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#network" target="_self">
<span>
network
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#oplatencies" target="_self">
<span>
opLatencies
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#opworkingtime" target="_self">
<span>
opWorkingTime
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#opreadconcerncounters" target="_self">
<span>
opReadConcernCounters
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#opwriteconcerncounters" target="_self">
<span>
opWriteConcernCounters
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#opcounters" target="_self">
<span>
opcounters
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#opcountersrepl" target="_self">
<span>
opcountersRepl
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#oplogtruncation" target="_self">
<span>
oplogTruncation
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#plancache" target="_self">
<span>
planCache
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#querystats" target="_self">
<span>
queryStats
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#queryanalyzers" target="_self">
<span>
queryAnalyzers
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#queues" target="_self">
<span>
queues
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#queue-information" target="_self">
<span>
Queue Information
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#querysettings" target="_self">
<span>
querySettings
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#readconcerncounters" target="_self">
<span>
readConcernCounters
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#readpreferencecounters" target="_self">
<span>
readPreferenceCounters
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#repl" target="_self">
<span>
repl
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#security" target="_self">
<span>
security
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#sharding" target="_self">
<span>
sharding
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#shardingstatistics" target="_self">
<span>
shardingStatistics
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#shardedindexconsistency" target="_self">
<span>
shardedIndexConsistency
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#storageengine" target="_self">
<span>
storageEngine
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#tcmalloc" target="_self">
<span>
tcmalloc
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#transactions" target="_self">
<span>
transactions
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#transportsecurity" target="_self">
<span>
transportSecurity
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#watchdog" target="_self">
<span>
watchdog
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#wiredtiger" target="_self">
<span>
wiredTiger
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Definition
<a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="definition">
</div>
</a>
</h2>
<dl class="dbcommand">
<dt>
<code class="leafygreen-ui-1l06pbn">
serverStatus
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-dbcommand-dbcmd.serverStatus" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-dbcommand-dbcmd.serverStatus">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.serverStatus" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
serverStatus
</code>
</span>
</a>
command returns a document that
provides an overview of the database's state. Monitoring
applications can run this command at a regular interval to
collect statistics about the instance.
</p>
</dd>
</dl>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Compatibility
<a class="headerlink leafygreen-ui-1kepx47" href="#compatibility" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="compatibility">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
This command is available in deployments hosted in the following environments:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas?tck=docs_server" target="_self">
<span>
MongoDB Atlas
</span>
</a>
: The fully
managed service for MongoDB deployments in the cloud
</p>
</li>
</ul>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
This command is supported in all MongoDB Atlas clusters.
For information on Atlas support for all commands, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/unsupported-commands/" target="_self">
<span>
Unsupported Commands
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-enterprise/#std-label-install-mdb-enterprise">
MongoDB Enterprise
</a>
: The
subscription-based, self-managed version of MongoDB
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-community/#std-label-install-mdb-community-edition">
MongoDB Community
</a>
: The
source-available, free-to-use, and self-managed version of MongoDB
</p>
</li>
</ul>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Syntax
<a class="headerlink leafygreen-ui-1kepx47" href="#syntax" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="syntax">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The command has the following syntax:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.runCommand(\n {\n serverStatus: 1\n }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">serverStatus</span>: <span class="lg-highlight-number">1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The value (i.e.
<code class="leafygreen-ui-1l06pbn">
1
</code>
above) does not affect the operation of the
command. The
<code class="leafygreen-ui-1l06pbn">
db.serverStatus()
</code>
command returns a large amount of
data. To return a specific object or field from the output append the
object or field name to the command.
</p>
<p class="leafygreen-ui-1kp3ins">
For example:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.runCommand({ serverStatus: 1}).metrics\ndb.runCommand({ serverStatus: 1}).metrics.commands\ndb.runCommand({ serverStatus: 1}).metrics.commands.update","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>(<!-- -->{ <span class="lg-highlight-attr">serverStatus</span>: <span class="lg-highlight-number">1</span>}).<span class="lg-highlight-property">metrics</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>(<!-- -->{ <span class="lg-highlight-attr">serverStatus</span>: <span class="lg-highlight-number">1</span>}).<span class="lg-highlight-property">metrics</span>.<span class="lg-highlight-property">commands</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>(<!-- -->{ <span class="lg-highlight-attr">serverStatus</span>: <span class="lg-highlight-number">1</span>}).<span class="lg-highlight-property">metrics</span>.<span class="lg-highlight-property">commands</span>.<span class="lg-highlight-property">update</span></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
provides the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.serverStatus/#mongodb-method-db.serverStatus">
<code class="leafygreen-ui-1l06pbn">
db.serverStatus()
</code>
</a>
wrapper for the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.serverStatus" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
serverStatus
</code>
</span>
</a>
command.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Much of the output of
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.serverStatus" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
serverStatus
</code>
</span>
</a>
is also displayed
dynamically by
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/database-tools/mongostat/#mongodb-binary-bin.mongostat" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongostat
</code>
</span>
</a>
. See the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/database-tools/mongostat/#mongodb-binary-bin.mongostat" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongostat
</code>
</span>
</a>
command for more information.
</p>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Behavior
<a class="headerlink leafygreen-ui-1kepx47" href="#behavior" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="behavior">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
By default,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.serverStatus" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
serverStatus
</code>
</span>
</a>
excludes in its output:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
some content in the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-server-status-repl" target="_self">
<span>
repl
</span>
</a>
document.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-server-status-mirroredReads" target="_self">
<span>
mirroredReads
</span>
</a>
document.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
To include fields that are excluded by default, specify the top-level
field and set it to
<code class="leafygreen-ui-1l06pbn">
1
</code>
in the command. To exclude fields that are included
by default, specify the field and set to 0. You can specify either top-level
or embedded fields.
</p>
<p class="leafygreen-ui-1kp3ins">
For example, the following operation excludes the
<code class="leafygreen-ui-1l06pbn">
repl
</code>
,
<code class="leafygreen-ui-1l06pbn">
metrics
</code>
and
<code class="leafygreen-ui-1l06pbn">
locks
</code>
information in the output.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.runCommand( { serverStatus: 1, repl: 0, metrics: 0, locks: 0 } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>( <!-- -->{ <span class="lg-highlight-attr">serverStatus</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">repl</span>: <span class="lg-highlight-number">0</span>, <span class="lg-highlight-attr">metrics</span>: <span class="lg-highlight-number">0</span>, <span class="lg-highlight-attr">locks</span>: <span class="lg-highlight-number">0</span> } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For example, the following operation excludes the embedded
<code class="leafygreen-ui-1l06pbn">
histogram
</code>
field in the output.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.runCommand( { serverStatus: 1, metrics: { query: { multiPlanner: { histograms: false } } } } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>( <!-- -->{ <span class="lg-highlight-attr">serverStatus</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">metrics</span>: <!-- -->{ <span class="lg-highlight-attr">query</span>: <!-- -->{ <span class="lg-highlight-attr">multiPlanner</span>: <!-- -->{ <span class="lg-highlight-attr">histograms</span>: <span class="lg-highlight-literal">false</span> } } } } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The following example includes
all
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-server-status-repl" target="_self">
<span>
repl
</span>
</a>
information in the output:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.runCommand( { serverStatus: 1, repl: 1 } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>( <!-- -->{ <span class="lg-highlight-attr">serverStatus</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">repl</span>: <span class="lg-highlight-number">1</span> } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Initialization
<a class="headerlink leafygreen-ui-1kepx47" href="#initialization" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="initialization">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The statistics reported by
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.serverStatus" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
serverStatus
</code>
</span>
</a>
are reset when the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
server is restarted.
</p>
<p class="leafygreen-ui-1kp3ins">
This command will always return a value, even on a fresh database. The
related command
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.serverStatus/#mongodb-method-db.serverStatus">
<code class="leafygreen-ui-1l06pbn">
db.serverStatus()
</code>
</a>
does not always return a
value unless a counter has started to increment for a particular
metric.
</p>
<p class="leafygreen-ui-1kp3ins">
After you run an update query,
<code class="leafygreen-ui-1l06pbn">
db.serverStatus()
</code>
and
<code class="leafygreen-ui-1l06pbn">
db.runCommand({ serverStatus: 1})
</code>
both return the same values.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n arrayFilters : Long(\"0\"),\n failed : Long(\"0\"),\n pipeline : Long(\"0\"),\n total : Long(\"1\")\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->arrayFilters <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->failed <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->pipeline <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->total <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"1"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Include
<code class="leafygreen-ui-1l06pbn">
mirroredReads
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#include-mirroredreads" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="include-mirroredreads">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
By default, the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.mirroredReads" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mirroredReads
</code>
</span>
</a>
information is not included in
the output. To return
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.mirroredReads" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mirroredReads
</code>
</span>
</a>
information, you must
explicitly specify the inclusion:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.runCommand( { serverStatus: 1, mirroredReads: 1 } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>( <!-- -->{ <span class="lg-highlight-attr">serverStatus</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">mirroredReads</span>: <span class="lg-highlight-number">1</span> } )</td></tr></tbody></table></code></pre>
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</button>
</div>
</div>
</div>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-output">
</span>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Output
<a class="headerlink leafygreen-ui-1kepx47" href="#output" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="output">
</div>
</a>
</h2>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
The output fields vary depending on the version of MongoDB,
underlying operating system platform, the storage engine, and the
kind of node, including
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-replica-set">
replica set
</a>
member.
</p>
<p class="leafygreen-ui-1kp3ins">
For the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.serverStatus" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
serverStatus
</code>
</span>
</a>
output specific to the version of
your MongoDB, refer to the appropriate version of the MongoDB Manual.
</p>
</div>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-asserts">
</span>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
asserts
<a class="headerlink leafygreen-ui-1kepx47" href="#asserts" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="asserts">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"asserts: {\n regular: <num>,\n warning: <num>,\n msg: <num>,\n user: <num>,\n rollovers: <num>\n},","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">asserts</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">regular</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">warning</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">msg</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">user</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">rollovers</span>: <<!-- -->num<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr></tbody></table></code></pre>
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</button>
</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
asserts
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.asserts" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.asserts">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports on the number of assertions raised since the
MongoDB process started. Assertions are internal checks for errors that
occur while the database is operating and can help diagnose issues with the
MongoDB server. Non-zero asserts values indicate assertion errors, which are
uncommon and not an immediate cause for concern. Errors that generate asserts
can be recorded in the log file or returned directly to a client application
for more information.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
asserts.regular
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.asserts.regular" title="Permalink to this definition">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.asserts.regular">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of regular assertions raised since the MongoDB process
started. Examine the MongoDB log for more information.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
asserts.warning
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.asserts.warning" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.asserts.warning">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
This field always returns zero
<code class="leafygreen-ui-1l06pbn">
0
</code>
.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
asserts.msg
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.asserts.msg" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.asserts.msg">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of message assertions raised since the MongoDB process
started. Examine the log file for more information about these
messages.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
asserts.user
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.asserts.user" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.asserts.user">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of "user asserts" that have occurred since the last time
the MongoDB process started. These are errors that user may
generate, such as out of disk space or duplicate key. You can
prevent these assertions by fixing a problem with your application
or deployment. Examine the log file for more information about these
messages.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
asserts.rollovers
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.asserts.rollovers" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.asserts.rollovers">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of times that the assert counters have rolled over
since the last time the MongoDB process started. The counters will
roll over to zero after 2
<sup>
30
</sup>
assertions. Use this
value to provide context to the other values in the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.asserts" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
asserts
</code>
</span>
</a>
data structure.
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-bucketcatalog">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
bucketCatalog
<a class="headerlink leafygreen-ui-1kepx47" href="#bucketcatalog" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="bucketcatalog">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"bucketCatalog: {\n numBuckets: <num>,\n numOpenBuckets: <num>,\n numIdleBuckets: <num>,\n memoryUsage: <num>,\n numBucketInserts: <num>,\n numBucketUpdates: <num>,\n numBucketsOpenedDueToMetadata: <num>,\n numBucketsClosedDueToCount: <num>,\n numBucketsClosedDueToSchemaChange: <num>,\n numBucketsClosedDueToSize: <num>,\n numBucketsClosedDueToTimeForward: <num>,\n numBucketsClosedDueToTimeBackward: <num>,\n numBucketsClosedDueToMemoryThreshold: <num>,\n numCommits: <num>,\n numMeasurementsGroupCommitted: <num>,\n numWaits: <num>,\n numMeasurementsCommitted: <num>,\n avgNumMeasurementsPerCommit: <num>,\n numBucketsClosedDueToReopening: <num>,\n numBucketsArchivedDueToMemoryThreshold: <num>,\n numBucketsArchivedDueToTimeBackward: <num>,\n numBucketsReopened: <num>,\n numBucketsKeptOpenDueToLargeMeasurements: <num>,\n numBucketsClosedDueToCachePressure: <num>,\n numBucketsFrozen: <num>,\n numCompressedBucketsConvertedToUnsorted: <num>,\n numBucketsFetched: <num>,\n numBucketsQueried: <num>,\n numBucketFetchesFailed: <num>,\n numBucketQueriesFailed: <num>,\n numBucketReopeningsFailed: <num>,\n numDuplicateBucketsReopened: <num>,\n stateManagement: {\n bucketsManaged: <num>,\n currentEra: <num>,\n erasWithRemainingBuckets: <num>,\n trackedClearOperations: <num>\n }\n }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">bucketCatalog</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numBuckets</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numOpenBuckets</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numIdleBuckets</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">memoryUsage</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numBucketInserts</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numBucketUpdates</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numBucketsOpenedDueToMetadata</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numBucketsClosedDueToCount</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numBucketsClosedDueToSchemaChange</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numBucketsClosedDueToSize</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numBucketsClosedDueToTimeForward</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numBucketsClosedDueToTimeBackward</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numBucketsClosedDueToMemoryThreshold</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numCommits</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numMeasurementsGroupCommitted</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numWaits</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numMeasurementsCommitted</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">avgNumMeasurementsPerCommit</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numBucketsClosedDueToReopening</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numBucketsArchivedDueToMemoryThreshold</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numBucketsArchivedDueToTimeBackward</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numBucketsReopened</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numBucketsKeptOpenDueToLargeMeasurements</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numBucketsClosedDueToCachePressure</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numBucketsFrozen</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numCompressedBucketsConvertedToUnsorted</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numBucketsFetched</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numBucketsQueried</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numBucketFetchesFailed</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numBucketQueriesFailed</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numBucketReopeningsFailed</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numDuplicateBucketsReopened</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">stateManagement</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">bucketsManaged</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">currentEra</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">erasWithRemainingBuckets</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">trackedClearOperations</span>: <<!-- -->num<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</div>
</button>
</div>
</div>
</div>
</div>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
A document that reports metrics related to the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/timeseries/timeseries-bucketing/#std-label-timeseries-bucket-catalog">
internal storage of
time series collections
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
bucketCatalog
</code>
returns the following metrics:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:30%"/>
<col style="width:70%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Metric
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
numBuckets
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The total number of tracked buckets. Expected to be equal to the sum of
<code class="leafygreen-ui-1l06pbn">
numOpenBuckets
</code>
and
<code class="leafygreen-ui-1l06pbn">
numArchivedBuckets
</code>
.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
numOpenBuckets
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The number of tracked buckets with a full representation stored
in-cache, ready to receive new documents.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
numIdleBuckets
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The number of buckets that are open and currently without an uncommitted
document insertion pending. A subset of numOpenBuckets.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
numArchivedBuckets
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The number of tracked buckets with a minimal representation stored
in-cache that can be efficiently reopened to receive new documents.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
memoryUsage
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The number of bytes used by internal bucketing data structures.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
numBucketInserts
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The number of new buckets created.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
numBucketUpdates
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The number times an existing bucket was updated to include additional documents.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
numBucketsOpenedDueToMetadata
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The number of buckets opened because a document arrived with a
<code class="leafygreen-ui-1l06pbn">
metaField
</code>
value that didn't match any currently open buckets.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
numBucketsClosedDueToCount
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The number of buckets closed due to reaching their document count limit.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
numBucketsClosedDueToSchemaChange
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The number of buckets closed because the schema of an incoming document
was incompatible with that of the documents in the open bucket.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
numBucketsClosedDueToSize
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The number of buckets closed because an incoming document would make the
bucket exceed its size limit.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
numBucketsClosedDueToTimeForward
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The number of buckets closed because a document arrived with a
<code class="leafygreen-ui-1l06pbn">
timeField
</code>
value after the maximum time of all currently open buckets
for that
<code class="leafygreen-ui-1l06pbn">
metaField
</code>
value.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
numBucketsClosedDueToTimeBackward
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The number of buckets closed because a document arrived with a
<code class="leafygreen-ui-1l06pbn">
timeField
</code>
value before the minimum time of all currently open
buckets for that
<code class="leafygreen-ui-1l06pbn">
metaField
</code>
value.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
numBucketsClosedDueToMemoryThreshold
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The number of buckets closed because the set of active buckets didn't
fit within the allowed bucket catalog cache size.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
numCommits
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The number of bucket-level commits to the time series collection.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
numMeasurementsGroupCommitted
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The number of commits that included measurements from concurrent insert
commands.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
numWaits
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The number of times an operation waited on another thread to either
reopen a bucket or finish a group commit.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
numMeasurementsCommitted
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The number of documents committed to the time series collection.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
avgNumMeasurementsPerCommit
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The average number of documents per commit.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
numBucketsClosedDueToReopening
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The number of buckets closed because a suitable bucket was re-opened
instead.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
numBucketsArchivedDueToMemoryThreshold
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The number of buckets archived because the set of active buckets didn't
fit within the allowed bucket catalog cache size.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
numBucketsArchivedDueToTimeBackward
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The number of buckets archived because a document arrived with a
<code class="leafygreen-ui-1l06pbn">
timeField
</code>
value before the minimum time of all currently open
buckets for that
<code class="leafygreen-ui-1l06pbn">
metaField
</code>
value.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
numBucketsReopened
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The number of buckets re-opened because a document arrived that didn't
match any open buckets, but did match an existing non-full bucket.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
numBucketsKeptOpenDueToLargeMeasurements
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The number of buckets that would have been closed due size, but were kept
open due to not containing a minimum number of documents required to
achieve reasonable compression.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
numBucketsClosedDueToCachePressure
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The number of buckets closed because their size exceeds the bucket
catalog's dynamic
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/timeseries/timeseries-bucketing/#std-label-timeseries-bucket-closure">
bucket size limit
</a>
derived from available storage engine cache size and
<code class="leafygreen-ui-1l06pbn">
numBuckets
</code>
. This
limit is distinct from the maximum bucket size limit.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
numBucketsFrozen
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The number of frozen buckets. Buckets are frozen if attempting to
compress the bucket would corrupt its contents.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
numCompressedBucketsConvertedToUnsorted
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The number of compressed buckets that contain documents not sorted by
their respective
<code class="leafygreen-ui-1l06pbn">
timeField
</code>
values.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
numBucketsFetched
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The number of archived buckets fetched to check if they were suitable
for re-opening.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
numBucketsQueried
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The total number of buckets queried to see if they could hold an
incoming document.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
numBucketFetchesFailed
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The number of archived buckets fetched that were not suitable for
re-opening.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
numBucketQueriesFailed
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The number of queries for a suitable open bucket that failed due to
lack of candidate availability.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
numBucketReopeningsFailed
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The number of attempted bucket reopenings that failed due to reasons
including conflicts with concurrent operations, malformed buckets, and
more.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
numDuplicateBucketsReopened
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The number of re-opened buckets that are duplicates of currently open
buckets.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
stateManagement
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
A document that tracks bucket catalog state information.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
stateManagement.bucketsManaged
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The total number of buckets that are being tracked for conflict
management. This includes open buckets in the bucket catalog as well as
any buckets that are being directly written to, including by update and
delete commands.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
stateManagement.currentEra
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The current era of the bucket catalog. The bucket catalog starts
at era 0 and increments when a bucket is cleared. Attempting to insert
into a bucket will either cause it to be removed if it was cleared, or
update it to the current era.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
stateManagement.erasWithRemainingBuckets
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The number of eras with tracked buckets.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
stateManagement.trackedClearOperations
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The number of times the a set of buckets has been cleared, but the
removal of those buckets was deferred. This can happen due to events such
as dropping a collection, moving a chunk in a sharded collection, or an
election.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-catalogStats">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
catalogStats
<a class="headerlink leafygreen-ui-1kepx47" href="#catalogstats" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="catalogstats">
</div>
</a>
</h3>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.1
</em>
.
</p>
</div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"catalogStats: {\n collections: <num>,\n capped: <num>,\n views: <num>,\n timeseries: <num>,\n internalCollections: <num>,\n internalViews: <num>\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">catalogStats</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">collections</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">capped</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">views</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">timeseries</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">internalCollections</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">internalViews</span>: <<!-- -->num<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
catalogStats
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.catalogStats" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.catalogStats">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports statistics on collection usage via collection counts.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
catalogStats.collections
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.catalogStats.collections" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.catalogStats.collections">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of user collections (not including system
collections).
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
catalogStats.capped
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.catalogStats.capped" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.catalogStats.capped">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of capped user collections.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
catalogStats.views
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.catalogStats.views" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.catalogStats.views">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of user views.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
catalogStats.timeseries
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.catalogStats.timeseries" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.catalogStats.timeseries">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of time series collections.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
catalogStats.internalCollections
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.catalogStats.internalCollections" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.catalogStats.internalCollections">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of system collections (collections on the
<code class="leafygreen-ui-1l06pbn">
config
</code>
,
<code class="leafygreen-ui-1l06pbn">
admin
</code>
, or
<code class="leafygreen-ui-1l06pbn">
local
</code>
databases).
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
catalogStats.internalViews
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.catalogStats.internalViews" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.catalogStats.internalViews">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of views of system collections (collections on the
<code class="leafygreen-ui-1l06pbn">
config
</code>
,
<code class="leafygreen-ui-1l06pbn">
admin
</code>
, or
<code class="leafygreen-ui-1l06pbn">
local
</code>
databases).
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-changeStreamPreImages">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
changeStreamPreImages
<a class="headerlink leafygreen-ui-1kepx47" href="#changestreampreimages" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="changestreampreimages">
</div>
</a>
</h3>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"changeStreamPreImages : {\n purgingJob : {\n totalPass : <num>,\n docsDeleted : <num>,\n bytesDeleted : <num>,\n scannedCollections : <num>,\n scannedInternalCollections : <num>,\n maxStartWallTimeMillis : <num>,\n timeElapsedMillis : <num>,\n },\n expireAfterSeconds : <num>\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">changeStreamPreImages <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->purgingJob <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->totalPass <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->docsDeleted <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->bytesDeleted <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->scannedCollections <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->scannedInternalCollections <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->maxStartWallTimeMillis <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->timeElapsedMillis <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->expireAfterSeconds <!-- -->: <<!-- -->num<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
A document that reports metrics related to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/changeStreams/#std-label-change-stream-pre-post-images">
change stream pre-images
<!-- -->
.
</a>
</p>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
changeStreamPreImages.purgingJob
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.changeStreamPreImages.purgingJob" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.changeStreamPreImages.purgingJob">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
7.1
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
A document that reports metrics related to the purging jobs for
change stream pre-images. Purging jobs are background processes
that the system uses to remove pre-images asynchronously.
</p>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
changeStreamPreImages.purgingJob
</code>
field returns the
following metrics:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:30%"/>
<col style="width:70%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Metric
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
totalPass
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Total number of deletion passes completed by the purging job.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
docsDeleted
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Cumulative number of pre-image documents deleted by the purging job.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
bytesDeleted
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Cumulative size in bytes of all deleted documents from all
pre-image collections by the purging job.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
scannedCollections
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Cumulative number of pre-image collections scanned by the purging job.
</p>
<p class="leafygreen-ui-1kp3ins">
In single-tenant environments, this number is the same as
<code class="leafygreen-ui-1l06pbn">
totalPass
</code>
since each tenant has one pre-image collection.
</p>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
scannedInternalCollections
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Cumulative number of internal pre-image collections scanned by the
purging job. Internal collections are the collections within the pre-image
collections stored in
<code class="leafygreen-ui-1l06pbn">
config.system.preimages
</code>
.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
maxStartWallTimeMillis
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Maximum wall time in milliseconds from the first document of each
pre-image collection.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
timeElapsedMillis
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Cumulative time in milliseconds of all deletion passes by the
purging job.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
changeStreamPreImages.expireAfterSeconds
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.changeStreamPreImages.expireAfterSeconds" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.changeStreamPreImages.expireAfterSeconds">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
7.1
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
Amount of time in seconds that MongoDB retains pre-images. If
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/cluster-parameters/changeStreamOptions/#mongodb-parameter-param.changeStreamOptions.preAndPostImages.expireAfterSeconds">
<code class="leafygreen-ui-1l06pbn">
expireAfterSeconds
</code>
</a>
is not defined, this metric does not appear in the
<code class="leafygreen-ui-1l06pbn">
serverStatus
</code>
output.
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-connections">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
connections
<a class="headerlink leafygreen-ui-1kepx47" href="#connections" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="connections">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"connections : {\n current : <num>,\n available : <num>,\n totalCreated : <num>,\n rejected : <num>, // Added in MongoDB 6.3\n active : <num>,\n threaded : <num>,\n exhaustIsMaster : <num>,\n exhaustHello : <num>,\n awaitingTopologyChanges : <num>,\n loadBalanced : <num>\n},","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">connections <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->current <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->available <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->totalCreated <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->rejected <!-- -->: <<!-- -->num<!-- -->><!-- -->,<!-- --> <span class="lg-highlight-comment">// Added in MongoDB 6.3</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->active <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->threaded <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->exhaustIsMaster <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->exhaustHello <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->awaitingTopologyChanges <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->loadBalanced <!-- -->: <<!-- -->num<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
connections
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.connections" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.connections">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports on the status of the connections. Use these
values to assess the current load and capacity requirements of the
server.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
connections.current
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.connections.current" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.connections.current">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of incoming connections from clients to the database
server. This number includes the current shell session. Consider
the value of
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.connections.available" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
connections.available
</code>
</span>
</a>
to add more
context to this datum.
</p>
<p class="leafygreen-ui-1kp3ins">
The value will include all incoming connections including any shell
connections or connections from other servers, such as
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-replica-set">
replica set
</a>
members or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instances.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
connections.available
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.connections.available" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.connections.available">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of unused incoming connections available. Consider this
value in combination with the value of
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.connections.current" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
connections.current
</code>
</span>
</a>
to understand the connection
load on the database, and the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/ulimit/">
UNIX
<code class="leafygreen-ui-1l06pbn">
ulimit
</code>
Settings for Self-Managed Deployments
</a>
document for
more information about system thresholds on available connections.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
connections.totalCreated
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.connections.totalCreated" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.connections.totalCreated">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Count of
<strong>
all
</strong>
incoming connections created to the server. This
number includes connections that have since closed.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
connections.rejected
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.connections.rejected" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.connections.rejected">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.3
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
The number of incoming connections the server rejected because the
server doesn't have the capacity to accept additional connections or
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.maxIncomingConnections">
<code class="leafygreen-ui-1l06pbn">
net.maxIncomingConnections
</code>
</a>
setting is reached.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
connections.active
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.connections.active" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.connections.active">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of active client connections to the server. Active client
connections refers to client connections that currently have
operations in progress.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
connections.threaded
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.connections.threaded" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.connections.threaded">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of incoming connections from clients that are assigned
to threads that service client requests.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
connections.exhaustIsMaster
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.connections.exhaustIsMaster" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.connections.exhaustIsMaster">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of connections whose last request was an
<code class="leafygreen-ui-1l06pbn">
isMaster
</code>
request with
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/mongodb-wire-protocol/#std-label-wire-msg-flags">
exhaustAllowed
<!-- -->
.
</a>
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
If you are running MongoDB 5.0 or later, do not use the
<code class="leafygreen-ui-1l06pbn">
isMaster
</code>
command. Instead, use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/hello/#mongodb-dbcommand-dbcmd.hello">
<code class="leafygreen-ui-1l06pbn">
hello
</code>
.
</a>
</p>
</div>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
connections.exhaustHello
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.connections.exhaustHello" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.connections.exhaustHello">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of connections whose last request was a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/hello/#mongodb-dbcommand-dbcmd.hello">
<code class="leafygreen-ui-1l06pbn">
hello
</code>
</a>
request with
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/mongodb-wire-protocol/#std-label-wire-msg-flags">
exhaustAllowed
<!-- -->
.
</a>
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
connections.awaitingTopologyChanges
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.connections.awaitingTopologyChanges" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.connections.awaitingTopologyChanges">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of clients currently waiting in a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/hello/#mongodb-dbcommand-dbcmd.hello">
<code class="leafygreen-ui-1l06pbn">
hello
</code>
</a>
or
<code class="leafygreen-ui-1l06pbn">
isMaster
</code>
request for a topology change.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
If you are running MongoDB 5.0 or later, do not use the
<code class="leafygreen-ui-1l06pbn">
isMaster
</code>
command. Instead, use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/hello/#mongodb-dbcommand-dbcmd.hello">
<code class="leafygreen-ui-1l06pbn">
hello
</code>
.
</a>
</p>
</div>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
connections.loadBalanced
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.connections.loadBalanced" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.connections.loadBalanced">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.3
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
The current number of incoming connections received through the
load balancer.
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-defaultRWConcern">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
defaultRWConcern
<a class="headerlink leafygreen-ui-1kepx47" href="#defaultrwconcern" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="defaultrwconcern">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
defaultRWConcern
</code>
section provides information on the local copy
of the global default read or write concern settings. The data may be
stale or out of date. See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/getDefaultRWConcern/#mongodb-dbcommand-dbcmd.getDefaultRWConcern">
<code class="leafygreen-ui-1l06pbn">
getDefaultRWConcern
</code>
</a>
for more
information.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"defaultRWConcern : {\n defaultReadConcern : {\n level : <string>\n },\n defaultWriteConcern : {\n w : <string> | <int>,\n wtimeout : <int>,\n j : <bool>\n },\n defaultWriteConcernSource: <string>,\n defaultReadConcernSource: <string>,\n updateOpTime : Timestamp,\n updateWallClockTime : Date,\n localUpdateWallClockTime : Date\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">defaultRWConcern <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->defaultReadConcern <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->level <!-- -->: <<!-- -->string<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->defaultWriteConcern <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->w <!-- -->: <<!-- -->string<!-- -->> <!-- -->| <<!-- -->int<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wtimeout <!-- -->: <<!-- -->int<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->j <!-- -->: <<!-- -->bool<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">defaultWriteConcernSource</span>: <<!-- -->string<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">defaultReadConcernSource</span>: <<!-- -->string<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->updateOpTime <!-- -->: <span class="lg-highlight-title lg-highlight-class">Timestamp</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->updateWallClockTime <!-- -->: <span class="lg-highlight-title lg-highlight-class">Date</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->localUpdateWallClockTime <!-- -->: <span class="lg-highlight-title lg-highlight-class">Date</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
defaultRWConcern
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.defaultRWConcern" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.defaultRWConcern">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The last known global default read or write concern settings.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
defaultRWConcern.defaultReadConcern
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.defaultRWConcern.defaultReadConcern" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.defaultRWConcern.defaultReadConcern">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The last known global default
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern/#std-label-read-concern">
read concern
</a>
setting.
</p>
<p class="leafygreen-ui-1kp3ins">
If
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.serverStatus" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
serverStatus
</code>
</span>
</a>
does not return this field, the global
default read concern has either not been set
<em>
or
</em>
has not yet
propagated to the instance.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
defaultRWConcern.defaultReadConcern.level
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.defaultRWConcern.defaultReadConcern.level" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.defaultRWConcern.defaultReadConcern.level">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The last known global default
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern/#std-label-read-concern-levels">
read concern level
</a>
setting.
</p>
<p class="leafygreen-ui-1kp3ins">
If
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.serverStatus" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
serverStatus
</code>
</span>
</a>
does not return this field, the global
default for this setting has either not been set
<em>
or
</em>
has not yet
propagated to the instance.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
defaultRWConcern.defaultWriteConcern
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.defaultRWConcern.defaultWriteConcern" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.defaultRWConcern.defaultWriteConcern">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The last known global default
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#std-label-write-concern">
write concern
</a>
setting.
</p>
<p class="leafygreen-ui-1kp3ins">
If
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.serverStatus" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
serverStatus
</code>
</span>
</a>
does not return this field, the global
default write concern has either not been set
<em>
or
</em>
has not yet
propagated to the instance.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
defaultRWConcern.defaultWriteConcern.w
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.defaultRWConcern.defaultWriteConcern.w" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.defaultRWConcern.defaultWriteConcern.w">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The last known global default
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#std-label-wc-w">
w
</a>
setting.
</p>
<p class="leafygreen-ui-1kp3ins">
If
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.serverStatus" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
serverStatus
</code>
</span>
</a>
does not return this field, the global
default for this setting has either not been set
<em>
or
</em>
has not yet
propagated to the instance.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
defaultRWConcern.defaultWriteConcern.wtimeout
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.defaultRWConcern.defaultWriteConcern.wtimeout" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.defaultRWConcern.defaultWriteConcern.wtimeout">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The last known global default
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#std-label-wc-wtimeout">
wtimeout
</a>
setting.
</p>
<p class="leafygreen-ui-1kp3ins">
If
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.serverStatus" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
serverStatus
</code>
</span>
</a>
does not return this field, the global
default for this setting has either not been set
<em>
or
</em>
has not yet
propagated to the instance.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
defaultRWConcern.defaultWriteConcernSource
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.defaultRWConcern.defaultWriteConcernSource" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.defaultRWConcern.defaultWriteConcernSource">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The source of the default
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#std-label-write-concern">
write concern
</a>
. By
default, the value is
<code class="leafygreen-ui-1l06pbn">
"implicit"
</code>
. Once you set the default write
concern with
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/setDefaultRWConcern/#mongodb-dbcommand-dbcmd.setDefaultRWConcern">
<code class="leafygreen-ui-1l06pbn">
setDefaultRWConcern
</code>
</a>
, the value becomes
<code class="leafygreen-ui-1l06pbn">
"global"
</code>
.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
defaultRWConcern.defaultReadConcernSource
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.defaultRWConcern.defaultReadConcernSource" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.defaultRWConcern.defaultReadConcernSource">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The source of the default
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern/#std-label-read-concern">
read concern
</a>
. By
default, the value is
<code class="leafygreen-ui-1l06pbn">
"implicit"
</code>
. Once you set the default read
concern with
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/setDefaultRWConcern/#mongodb-dbcommand-dbcmd.setDefaultRWConcern">
<code class="leafygreen-ui-1l06pbn">
setDefaultRWConcern
</code>
</a>
, the value becomes
<code class="leafygreen-ui-1l06pbn">
"global"
</code>
.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
defaultRWConcern.updateOpTime
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.defaultRWConcern.updateOpTime" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.defaultRWConcern.updateOpTime">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The timestamp when the instance last updated its copy of any global
read or write concern settings. If the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.defaultRWConcern.defaultReadConcern" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
defaultRWConcern.defaultReadConcern
</code>
</span>
</a>
and
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.defaultRWConcern.defaultWriteConcern" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
defaultRWConcern.defaultWriteConcern
</code>
</span>
</a>
fields are
absent, this field indicates the timestamp when the defaults were
last unset.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
defaultRWConcern.updateWallClockTime
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.defaultRWConcern.updateWallClockTime" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.defaultRWConcern.updateWallClockTime">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The wall clock time when the instance last updated its copy of any
global read or write concern settings. If the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.defaultRWConcern.defaultReadConcern" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
defaultRWConcern.defaultReadConcern
</code>
</span>
</a>
and
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.defaultRWConcern.defaultWriteConcern" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
defaultRWConcern.defaultWriteConcern
</code>
</span>
</a>
fields are
absent, this field indicates the time when the defaults were last
unset.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
defaultRWConcern.localUpdateWallClockTime
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.defaultRWConcern.localUpdateWallClockTime" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.defaultRWConcern.localUpdateWallClockTime">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The local system wall clock time when the instance last updated its
copy of any global read or write concern setting. If this field is
the
<em>
only
</em>
field under
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.defaultRWConcern" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
defaultRWConcern
</code>
</span>
</a>
, the instance
has never had knowledge of a global default read or write concern
setting.
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-electionMetrics">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
electionMetrics
<a class="headerlink leafygreen-ui-1kepx47" href="#electionmetrics" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="electionmetrics">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
electionMetrics
</code>
section provides information on elections
called by this
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance in a bid to become the
primary:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"electionMetrics : {\n stepUpCmd : {\n called : Long(\"<num>\"),\n successful : Long(\"<num>\")\n },\n priorityTakeover : {\n called : Long(\"<num>\"),\n successful : Long(\"<num>\")\n },\n catchUpTakeover : {\n called : Long(\"<num>\"),\n successful : Long(\"<num>\")\n },\n electionTimeout : {\n called : Long(\"<num>\"),\n successful : Long(\"<num>\")\n },\n freezeTimeout : {\n called : Long(\"<num>\"),\n successful : Long(\"<num>\")\n },\n numStepDownsCausedByHigherTerm : Long(\"<num>\"),\n numCatchUps : Long(\"<num>\"),\n numCatchUpsSucceeded : Long(\"<num>\"),\n numCatchUpsAlreadyCaughtUp : Long(\"<num>\"),\n numCatchUpsSkipped : Long(\"<num>\"),\n numCatchUpsTimedOut : Long(\"<num>\"),\n numCatchUpsFailedWithError : Long(\"<num>\"),\n numCatchUpsFailedWithNewTerm : Long(\"<num>\"),\n numCatchUpsFailedWithReplSetAbortPrimaryCatchUpCmd : Long(\"<num>\"),\n averageCatchUpOps : <double>\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">electionMetrics <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->stepUpCmd <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->called <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->successful <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->priorityTakeover <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->called <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->successful <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->catchUpTakeover <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->called <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->successful <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->electionTimeout <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->called <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->successful <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->freezeTimeout <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->called <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->successful <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->numStepDownsCausedByHigherTerm <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->numCatchUps <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->numCatchUpsSucceeded <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->numCatchUpsAlreadyCaughtUp <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->numCatchUpsSkipped <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->numCatchUpsTimedOut <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->numCatchUpsFailedWithError <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->numCatchUpsFailedWithNewTerm <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->numCatchUpsFailedWithReplSetAbortPrimaryCatchUpCmd <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->averageCatchUpOps <!-- -->: <<!-- -->double<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
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</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
electionMetrics.stepUpCmd
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.electionMetrics.stepUpCmd" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.electionMetrics.stepUpCmd">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Metrics on elections that were called by the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance as part of an election handoff when the primary stepped down.
</p>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.electionMetrics.stepUpCmd" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
stepUpCmd
</code>
</span>
</a>
includes both the number of elections
called and the number of elections that succeeded.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
electionMetrics.priorityTakeover
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.electionMetrics.priorityTakeover" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.electionMetrics.priorityTakeover">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Metrics on elections that were called by the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance because its
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/#mongodb-rsconf-rsconf.members-n-.priority">
<code class="leafygreen-ui-1l06pbn">
priority
</code>
</a>
is higher
than the primary's.
</p>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.electionMetrics.priorityTakeover" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
electionMetrics.priorityTakeover
</code>
</span>
</a>
includes both the number of
elections called and the number of elections that succeeded.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
electionMetrics.catchUpTakeover
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.electionMetrics.catchUpTakeover" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.electionMetrics.catchUpTakeover">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Metrics on elections called by the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance
because it is more current than the primary.
</p>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.electionMetrics.catchUpTakeover" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
catchUpTakeover
</code>
</span>
</a>
includes both the number of
elections called and the number of elections that succeeded.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/#mongodb-rsconf-rsconf.settings.catchUpTakeoverDelayMillis">
<code class="leafygreen-ui-1l06pbn">
settings.catchUpTakeoverDelayMillis
</code>
</a>
</p>
</div>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
electionMetrics.electionTimeout
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.electionMetrics.electionTimeout" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.electionMetrics.electionTimeout">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Metrics on elections called by the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance
because it has not been able to reach the primary within
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/#mongodb-rsconf-rsconf.settings.electionTimeoutMillis">
<code class="leafygreen-ui-1l06pbn">
settings.electionTimeoutMillis
</code>
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.electionMetrics.electionTimeout" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
electionTimeout
</code>
</span>
</a>
includes both the number of
elections called and the number of elections that succeeded.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/#mongodb-rsconf-rsconf.settings.electionTimeoutMillis">
<code class="leafygreen-ui-1l06pbn">
settings.electionTimeoutMillis
</code>
</a>
</p>
</div>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
electionMetrics.freezeTimeout
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.electionMetrics.freezeTimeout" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.electionMetrics.freezeTimeout">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Metrics on elections called by the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance
after its
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/replSetFreeze/#mongodb-dbcommand-dbcmd.replSetFreeze">
<code class="leafygreen-ui-1l06pbn">
freeze period
</code>
</a>
(during which the
member cannot seek an election) has expired.
</p>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.electionMetrics.freezeTimeout" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
electionMetrics.freezeTimeout
</code>
</span>
</a>
includes both the number of
elections called and the number of elections that succeeded.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
electionMetrics.numStepDownsCausedByHigherTerm
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.electionMetrics.numStepDownsCausedByHigherTerm" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.electionMetrics.numStepDownsCausedByHigherTerm">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of times the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance stepped down
because it saw a higher term (specifically, other member(s)
participated in additional elections).
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
electionMetrics.numCatchUps
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.electionMetrics.numCatchUps" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.electionMetrics.numCatchUps">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of elections where the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance as the
newly-elected primary had to catch up to the highest known oplog
entry.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
electionMetrics.numCatchUpsSucceeded
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.electionMetrics.numCatchUpsSucceeded" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.electionMetrics.numCatchUpsSucceeded">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of times the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance as the
newly-elected primary successfully caught up to the highest known
oplog entry.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
electionMetrics.numCatchUpsAlreadyCaughtUp
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.electionMetrics.numCatchUpsAlreadyCaughtUp" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.electionMetrics.numCatchUpsAlreadyCaughtUp">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of times the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance as the
newly-elected primary concluded its catchup process because it was
already caught up when elected.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
electionMetrics.numCatchUpsSkipped
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.electionMetrics.numCatchUpsSkipped" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.electionMetrics.numCatchUpsSkipped">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of times the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance as the
newly-elected primary skipped the catchup process.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
electionMetrics.numCatchUpsTimedOut
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.electionMetrics.numCatchUpsTimedOut" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.electionMetrics.numCatchUpsTimedOut">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of times the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance as the
newly-elected primary concluded its catchup process because of the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/#mongodb-rsconf-rsconf.settings.catchUpTimeoutMillis">
<code class="leafygreen-ui-1l06pbn">
settings.catchUpTimeoutMillis
</code>
</a>
limit.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
electionMetrics.numCatchUpsFailedWithError
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.electionMetrics.numCatchUpsFailedWithError" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.electionMetrics.numCatchUpsFailedWithError">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of times the newly-elected primary's catchup process failed
with an error.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
electionMetrics.numCatchUpsFailedWithNewTerm
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.electionMetrics.numCatchUpsFailedWithNewTerm" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.electionMetrics.numCatchUpsFailedWithNewTerm">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of times the newly-elected primary's catchup process concluded
because another member(s) had a higher term (specifically, other
member(s) participated in additional elections).
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
electionMetrics.numCatchUpsFailedWithReplSetAbortPrimaryCatchUpCmd
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.electionMetrics.numCatchUpsFailedWithReplSetAbortPrimaryCatchUpCmd" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.electionMetrics.numCatchUpsFailedWithReplSetAbortPrimaryCatchUpCmd">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of times the newly-elected primary's catchup process
concluded because the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
received the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/replSetAbortPrimaryCatchUp/#mongodb-dbcommand-dbcmd.replSetAbortPrimaryCatchUp">
<code class="leafygreen-ui-1l06pbn">
replSetAbortPrimaryCatchUp
</code>
</a>
command.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
electionMetrics.averageCatchUpOps
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.electionMetrics.averageCatchUpOps" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.electionMetrics.averageCatchUpOps">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Average number of operations applied during the newly-elected
primary's catchup processes.
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-extra-info">
</span>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-extra_info">
</span>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-extrainfo">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
extra_info
<a class="headerlink leafygreen-ui-1kepx47" href="#extra_info" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="extra_info">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"extra_info : {\n note : 'fields vary by platform',\n page_faults : <num>\n},","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">extra_info <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->note <!-- -->: <span class="lg-highlight-string">'fields vary by platform'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->page_faults <!-- -->: <<!-- -->num<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr></tbody></table></code></pre>
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</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
extra_info
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.extra_info" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.extra_info">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that provides additional information about the underlying
system.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
extra_info.note
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.extra_info.note" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.extra_info.note">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A string with the text
<code class="leafygreen-ui-1l06pbn">
'fields vary by platform'
</code>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
extra_info.page_faults
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.extra_info.page_faults" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.extra_info.page_faults">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of page faults. The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.extra_info.page_faults" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
extra_info.page_faults
</code>
</span>
</a>
counter may increase
dramatically during moments of poor performance and may correlate
with limited memory environments and larger data sets. Limited and
sporadic page faults do not necessarily indicate an issue.
</p>
<p class="leafygreen-ui-1kp3ins">
Windows differentiates "hard" page faults involving disk I/O from
"soft" page faults that only require moving pages in memory. MongoDB
counts both hard and soft page faults in this statistic.
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-flowControl">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
flowControl
<a class="headerlink leafygreen-ui-1kepx47" href="#flowcontrol" title="Permalink to this heading">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="flowcontrol">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"flowControl : {\n enabled : <boolean>,\n targetRateLimit : <int>,\n timeAcquiringMicros : Long(\"<num>\"),\n locksPerKiloOp : <double>,\n sustainerRate : <int>,\n isLagged : <boolean>,\n isLaggedCount : <int>,\n isLaggedTimeMicros : Long(\"<num>\")\n},","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">flowControl <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->enabled <!-- -->: <<!-- -->boolean<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->targetRateLimit <!-- -->: <<!-- -->int<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->timeAcquiringMicros <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->locksPerKiloOp <!-- -->: <<!-- -->double<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->sustainerRate <!-- -->: <<!-- -->int<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->isLagged <!-- -->: <<!-- -->boolean<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->isLaggedCount <!-- -->: <<!-- -->int<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->isLaggedTimeMicros <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
flowControl
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.flowControl" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.flowControl">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that returns statistics on the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/troubleshoot-replica-sets/#std-label-flow-control">
Flow Control
</a>
. With
flow control enabled, as the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/replSetGetStatus/#mongodb-data-replSetGetStatus.optimes.lastCommittedOpTime">
<code class="leafygreen-ui-1l06pbn">
majority commit
</code>
</a>
point lag grows
close to the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.flowControlTargetLagSeconds">
<code class="leafygreen-ui-1l06pbn">
flowControlTargetLagSeconds
</code>
</a>
, writes on the
primary must obtain tickets before taking locks. As such, the
metrics returned are meaningful when run on the primary.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
flowControl.enabled
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.flowControl.enabled" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.flowControl.enabled">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A boolean that indicates whether
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/troubleshoot-replica-sets/#std-label-flow-control">
Flow Control
</a>
is
enabled (
<code class="leafygreen-ui-1l06pbn">
true
</code>
) or disabled (
<code class="leafygreen-ui-1l06pbn">
false
</code>
).
</p>
<p class="leafygreen-ui-1kp3ins">
See also
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.enableFlowControl">
<code class="leafygreen-ui-1l06pbn">
enableFlowControl
</code>
.
</a>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
flowControl.targetRateLimit
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.flowControl.targetRateLimit" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.flowControl.targetRateLimit">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
When run on the primary, the maximum number of tickets that can be
acquired per second.
</p>
<p class="leafygreen-ui-1kp3ins">
When run on a secondary, the returned number is a placeholder.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
flowControl.timeAcquiringMicros
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.flowControl.timeAcquiringMicros" title="Permalink to this definition">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.flowControl.timeAcquiringMicros">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
When run on the primary, the total time write operations have waited
to acquire a ticket.
</p>
<p class="leafygreen-ui-1kp3ins">
When run on a secondary, the returned number is a placeholder.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
flowControl.locksPerKiloOp
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.flowControl.locksPerKiloOp" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.flowControl.locksPerKiloOp">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
When run on the primary, an approximation of the number of locks
taken per 1000 operations.
</p>
<p class="leafygreen-ui-1kp3ins">
When run on a secondary, the returned number is a placeholder.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
flowControl.sustainerRate
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.flowControl.sustainerRate" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.flowControl.sustainerRate">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
When run on the primary, an approximation of operations applied per
second by the secondary that is sustaining the commit point.
</p>
<p class="leafygreen-ui-1kp3ins">
When run on a secondary, the returned number is a placeholder.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
flowControl.isLagged
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.flowControl.isLagged" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.flowControl.isLagged">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
When run on the primary, a boolean that indicates whether flow
control has engaged. Flow control engages when the majority
committed lag is greater than some percentage of the configured
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.flowControlTargetLagSeconds">
<code class="leafygreen-ui-1l06pbn">
flowControlTargetLagSeconds
</code>
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
Replication lag can occur without engaging flow control.
An unresponsive
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-secondary">
secondary
</a>
might lag without the replica set
receiving sufficient load to engage flow control, leaving
the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.flowControl.isLagged" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
flowControl.isLagged
</code>
</span>
</a>
value at
<code class="leafygreen-ui-1l06pbn">
false
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
For additional information, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/troubleshoot-replica-sets/#std-label-flow-control">
Flow Control
<!-- -->
.
</a>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
flowControl.isLaggedCount
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.flowControl.isLaggedCount" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.flowControl.isLaggedCount">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
When run on a primary, the number of times flow control has engaged
since the last restart. Flow control engages when the majority
committed lag is greater than some percentage of the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.flowControlTargetLagSeconds">
<code class="leafygreen-ui-1l06pbn">
flowControlTargetLagSeconds
</code>
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
When run on a secondary, the returned number is a placeholder.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
flowControl.isLaggedTimeMicros
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.flowControl.isLaggedTimeMicros" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.flowControl.isLaggedTimeMicros">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
When run on the primary, the amount of time flow control has spent
being engaged since the last restart. Flow control engages when the
majority committed lag is greater than some percentage of the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.flowControlTargetLagSeconds">
<code class="leafygreen-ui-1l06pbn">
flowControlTargetLagSeconds
</code>
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
When run on a secondary, the returned number is a placeholder.
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-globalLock">
</span>
<span class="leafygreen-ui-1qnjd6d" id="std-label-globallock">
</span>
<span class="leafygreen-ui-1qnjd6d" id="std-label-global-lock">
</span>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-globallock">
</span>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-global-lock">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
globalLock
<a class="headerlink leafygreen-ui-1kepx47" href="#globallock" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="globallock">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"globalLock : {\n totalTime : Long(\"<num>\"),\n currentQueue : {\n total : <num>,\n readers : <num>,\n writers : <num>\n },\n activeClients : {\n total : <num>,\n readers : <num>,\n writers : <num>\n }\n},","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">globalLock <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->totalTime <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->currentQueue <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->total <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->readers <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->writers <!-- -->: <<!-- -->num<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->activeClients <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->total <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->readers <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->writers <!-- -->: <<!-- -->num<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
globalLock
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.globalLock" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.globalLock">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports on the database's lock state.
</p>
<p class="leafygreen-ui-1kp3ins">
Generally, the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-locks" target="_self">
<span>
locks
</span>
</a>
document provides more detailed
data on lock uses.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
globalLock.totalTime
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.globalLock.totalTime" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.globalLock.totalTime">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The time, in microseconds, since the database last started and
created the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.globalLock" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
globalLock
</code>
</span>
</a>
. This is approximately
equivalent to the total server uptime.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
globalLock.currentQueue
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.globalLock.currentQueue" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.globalLock.currentQueue">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that provides information concerning the number of
operations queued because of a lock.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
globalLock.currentQueue.total
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.globalLock.currentQueue.total" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.globalLock.currentQueue.total">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of operations queued waiting for the lock (i.e.,
the sum of
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.globalLock.currentQueue.readers" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
globalLock.currentQueue.readers
</code>
</span>
</a>
and
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.globalLock.currentQueue.writers" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
globalLock.currentQueue.writers
</code>
</span>
</a>
).
</p>
<p class="leafygreen-ui-1kp3ins">
A consistently small queue, particularly of shorter operations,
should cause no concern. The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.globalLock.activeClients" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
globalLock.activeClients
</code>
</span>
</a>
readers and writers
information provides context for this data.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
globalLock.currentQueue.readers
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.globalLock.currentQueue.readers" title="Permalink to this definition">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.globalLock.currentQueue.readers">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of operations that are currently queued and waiting for
the read lock. A consistently small read queue, particularly of
shorter operations, should cause no concern.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
globalLock.currentQueue.writers
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.globalLock.currentQueue.writers" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.globalLock.currentQueue.writers">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of operations that are currently queued and waiting for
the write lock. A consistently small write queue, particularly of
shorter operations, is no cause for concern.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
globalLock.activeClients
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.globalLock.activeClients" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.globalLock.activeClients">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that provides information about the number of connected
clients and the read and write operations performed by these clients.
</p>
<p class="leafygreen-ui-1kp3ins">
Use this data to provide context for the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.globalLock.currentQueue" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
globalLock.currentQueue
</code>
</span>
</a>
data.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
globalLock.activeClients.total
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.globalLock.activeClients.total" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.globalLock.activeClients.total">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of internal client connections to the database
including system threads as well as queued readers and writers.
This metric will be higher than the total of
<code class="leafygreen-ui-1l06pbn">
activeClients.readers
</code>
and
<code class="leafygreen-ui-1l06pbn">
activeClients.writers
</code>
due to the inclusion of system threads.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
globalLock.activeClients.readers
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.globalLock.activeClients.readers" title="Permalink to this definition">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.globalLock.activeClients.readers">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of the active client connections performing read
operations.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
globalLock.activeClients.writers
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.globalLock.activeClients.writers" title="Permalink to this definition">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.globalLock.activeClients.writers">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of active client connections performing write operations.
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-hedgingMetrics">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
hedgingMetrics
<a class="headerlink leafygreen-ui-1kepx47" href="#hedgingmetrics" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="hedgingmetrics">
</div>
</a>
</h3>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, hedged reads are deprecated. Queries that
specify the read preference
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/read-preference/#mongodb-readmode-nearest">
<code class="leafygreen-ui-1l06pbn">
nearest
</code>
</a>
no longer use hedged
reads by default. If you explicitly specify a hedged read, MongoDB
performs a hedged read and logs a warning.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instances only.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"hedgingMetrics : {\n numTotalOperations : <num>,\n numTotalHedgedOperations : <num>,\n numAdvantageouslyHedgedOperations : <num>\n},","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">hedgingMetrics <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->numTotalOperations <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->numTotalHedgedOperations <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->numAdvantageouslyHedgedOperations <!-- -->: <<!-- -->num<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr></tbody></table></code></pre>
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<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
hedgingMetrics
</code>
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.hedgingMetrics">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Provides metrics on
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharded-cluster-query-router/#std-label-mongos-hedged-reads">
hedged reads
</a>
for
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance.
</p>
<p class="leafygreen-ui-1kp3ins">
For
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instances only.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
hedgingMetrics.numTotalOperations
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.hedgingMetrics.numTotalOperations" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.hedgingMetrics.numTotalOperations">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of the operations issued with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/read-preference-hedge-option/#std-label-read-preference-hedged-read">
hedged read
option enabled
</a>
to this
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance.
</p>
<p class="leafygreen-ui-1kp3ins">
For
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instances only.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
hedgingMetrics.numTotalHedgedOperations
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.hedgingMetrics.numTotalHedgedOperations" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.hedgingMetrics.numTotalHedgedOperations">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of all operations for which the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharded-cluster-query-router/#std-label-mongos-hedged-reads">
hedged the read operation
</a>
;
i.e. sent the operation to an additional member of each queried
shard.
</p>
<p class="leafygreen-ui-1kp3ins">
For
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instances only.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
hedgingMetrics.numAdvantageouslyHedgedOperations
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.hedgingMetrics.numAdvantageouslyHedgedOperations" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.hedgingMetrics.numAdvantageouslyHedgedOperations">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of the operation where the additional read sent to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharded-cluster-query-router/#std-label-mongos-hedged-reads">
hedge the read operation
</a>
fulfilled the
client request.
</p>
<p class="leafygreen-ui-1kp3ins">
For
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instances only.
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-indexBuilds">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
indexBuilds
<a class="headerlink leafygreen-ui-1kepx47" href="#indexbuilds" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="indexbuilds">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"indexBuilds : {\n total : <num>,\n killedDueToInsufficientDiskSpace : <num>,\n failedDueToDataCorruption : <num>\n},","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">indexBuilds <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->total <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->killedDueToInsufficientDiskSpace <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->failedDueToDataCorruption <!-- -->: <<!-- -->num<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
indexBuilds
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.indexBuilds" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.indexBuilds">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Provides metrics on
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/index-creation/#std-label-index-operations">
index builds
</a>
after the
server last started.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
indexBuilds.total
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.indexBuilds.total" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.indexBuilds.total">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Total number of index builds.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
indexBuilds.killedDueToInsufficientDiskSpace
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.indexBuilds.killedDueToInsufficientDiskSpace" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.indexBuilds.killedDueToInsufficientDiskSpace">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Total number of index builds that were ended because of insufficient
disk space. Starting in MongoDB 7.1, you can set the minimum amount
of disk space required for building indexes using the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.indexBuildMinAvailableDiskSpaceMB">
<code class="leafygreen-ui-1l06pbn">
indexBuildMinAvailableDiskSpaceMB
</code>
</a>
parameter.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
7.1
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
indexBuilds.failedDueToDataCorruption
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.indexBuilds.failedDueToDataCorruption" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.indexBuilds.failedDueToDataCorruption">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Total number of index builds that failed because of data corruption.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
7.1
</em>
.
</p>
</div>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-indexBulkBuilder">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
indexBulkBuilder
<a class="headerlink leafygreen-ui-1kepx47" href="#indexbulkbuilder" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="indexbulkbuilder">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"indexBulkBuilder: {\n count: <long>,\n resumed: <long>,\n filesOpenedForExternalSort: <long>,\n filesClosedForExternalSort: <long>,\n spilledRanges: <long>,\n bytesSpilledUncompressed: <long>,\n bytesSpilled: <long>,\n numSorted: <long>,\n bytesSorted: <long>,\n memUsage: <long>\n}","programmingLanguage":"JSON"}
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<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light json leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">indexBulkBuilder<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> count<span class="lg-highlight-punctuation">:</span> <long><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> resumed<span class="lg-highlight-punctuation">:</span> <long><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> filesOpenedForExternalSort<span class="lg-highlight-punctuation">:</span> <long><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> filesClosedForExternalSort<span class="lg-highlight-punctuation">:</span> <long><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> spilledRanges<span class="lg-highlight-punctuation">:</span> <long><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bytesSpilledUncompressed<span class="lg-highlight-punctuation">:</span> <long><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bytesSpilled<span class="lg-highlight-punctuation">:</span> <long><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> numSorted<span class="lg-highlight-punctuation">:</span> <long><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bytesSorted<span class="lg-highlight-punctuation">:</span> <long><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> memUsage<span class="lg-highlight-punctuation">:</span> <long></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-punctuation">}</span></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
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</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
indexBulkBuilder
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.indexBulkBuilder" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.indexBulkBuilder">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Provides metrics for index bulk builder operations. Use these metrics to
diagnose index build issues with
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/createIndexes/#mongodb-dbcommand-dbcmd.createIndexes">
<code class="leafygreen-ui-1l06pbn">
createIndexes
</code>
</a>
, collection
cloning during initial sync, index builds that resume after startup, and
statistics on disk usage by the external sorter.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
indexBuildBuilder.bytesSpilled
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.indexBuildBuilder.bytesSpilled" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.indexBuildBuilder.bytesSpilled">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.0.4
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
The number of bytes written to disk by the external sorter.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
indexBuilder.bytesSpilledUncompressed
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.indexBuilder.bytesSpilledUncompressed" title="Permalink to this definition">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.indexBuilder.bytesSpilledUncompressed">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.0.4
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
The number of bytes to be written to disk by the external sorter
before compression.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
indexBulkBuilder.count
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.indexBulkBuilder.count" title="Permalink to this definition">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.indexBulkBuilder.count">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of instances of the bulk builder created.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
indexBulkBuilder.filesClosedForExternalSort
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.indexBulkBuilder.filesClosedForExternalSort" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.indexBulkBuilder.filesClosedForExternalSort">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of times the external sorter closed a file handle to spill data
to disk. Combine this value with
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.indexBulkBuilder.filesOpenedForExternalSort" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
filesOpenedForExternalSort
</code>
</span>
</a>
to determine
the number of open file handles in use by the external sorter.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
indexBulkBuilder.filesOpenedForExternalSort
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.indexBulkBuilder.filesOpenedForExternalSort" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.indexBulkBuilder.filesOpenedForExternalSort">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of times the external sorter opened a file handle to spill data
to disk. Combine this value with
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.indexBulkBuilder.filesClosedForExternalSort" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
filesClosedForExternalSort
</code>
</span>
</a>
to determine
the number of open file handles in use by the external sorter.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
indexBulkBuilder.resumed
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.indexBulkBuilder.resumed" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.indexBulkBuilder.resumed">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of times the bulk builder was created for a resumable index build.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
indexBulkBuilder.spilledRanges
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.indexBulkBuilder.spilledRanges" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.indexBulkBuilder.spilledRanges">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.0.4
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
The number of times the external sorter spilled to disk.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
indexBulkBuilder.numSorted
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.indexBulkBuilder.numSorted" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.3
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
The total number of sorted documents.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
indexBulkBuilder.bytesSorted
</code>
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<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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</div>
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</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.3
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
The total number of bytes for sorted documents. For example, if
a total of 10 documents were sorted and each document is 20 bytes,
the total number of bytes sorted is 200.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
indexBulkBuilder.memUsage
</code>
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.3
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
The current bytes of memory allocated for building indexes.
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-indexStats">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
indexStats
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="indexstats">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"indexStats: {\n count: Long(\"<num>\"),\n features: {\n '2d': { count: Long(\"<num>\"), accesses: Long(\"<num>\") },\n '2dsphere': { count: Long(\"<num>\"), accesses: Long(\"<num>\") },\n '2dsphere_bucket': { count: Long(\"<num>\"), accesses: Long(\"<num>\") },\n collation: { count: Long(\"<num>\"), accesses: Long(\"<num>\") },\n compound: { count: Long(\"<num>\"), accesses: Long(\"<num>\") },\n hashed: { count: Long(\"<num>\"), accesses: Long(\"<num>\") },\n id: { count: Long(\"<num>\"), accesses: Long(\"<num>\") },\n normal: { count: Long(\"<num>\"), accesses: Long(\"<num>\") },\n partial: { count: Long(\"<num>\"), accesses: Long(\"<num>\") },\n single: { count: Long(\"<num>\"), accesses: Long(\"<num>\") },\n sparse: { count: Long(\"<num>\"), accesses: Long(\"<num>\") },\n text: { count: Long(\"<num>\"), accesses: Long(\"<num>\") },\n ttl: { count: Long(\"<num>\"), accesses: Long(\"<num>\") },\n unique: { count: Long(\"<num>\"), accesses: Long(\"<num>\") },\n wildcard: { count: Long(\"<num>\"), accesses: Long(\"<num>\") }\n }\n}","programmingLanguage":"JSON"}
</script>
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<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light json leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">indexStats<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> count<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> features<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> '<span class="lg-highlight-number">2</span>d'<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span> count<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span> accesses<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>) <span class="lg-highlight-punctuation">}</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> '<span class="lg-highlight-number">2</span>dsphere'<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span> count<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span> accesses<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>) <span class="lg-highlight-punctuation">}</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> '<span class="lg-highlight-number">2</span>dsphere_bucket'<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span> count<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span> accesses<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>) <span class="lg-highlight-punctuation">}</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> collation<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span> count<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span> accesses<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>) <span class="lg-highlight-punctuation">}</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> compound<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span> count<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span> accesses<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>) <span class="lg-highlight-punctuation">}</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> hashed<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span> count<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span> accesses<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>) <span class="lg-highlight-punctuation">}</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> id<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span> count<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span> accesses<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>) <span class="lg-highlight-punctuation">}</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> normal<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span> count<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span> accesses<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>) <span class="lg-highlight-punctuation">}</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> partial<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span> count<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span> accesses<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>) <span class="lg-highlight-punctuation">}</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> single<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span> count<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span> accesses<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>) <span class="lg-highlight-punctuation">}</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> sparse<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span> count<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span> accesses<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>) <span class="lg-highlight-punctuation">}</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> text<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span> count<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span> accesses<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>) <span class="lg-highlight-punctuation">}</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ttl<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span> count<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span> accesses<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>) <span class="lg-highlight-punctuation">}</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> unique<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span> count<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span> accesses<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>) <span class="lg-highlight-punctuation">}</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> wildcard<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span> count<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span> accesses<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>) <span class="lg-highlight-punctuation">}</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">}</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-punctuation">}</span></td></tr></tbody></table></code></pre>
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<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
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<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
indexStats
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.indexStats" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
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<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.indexStats">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports statistics on all indexes on databases and collections.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
indexStats.count
</code>
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of indexes.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
indexStats.features
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.indexStats.features" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.indexStats.features">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that provides counters for each index type and the number of
accesses on each index. Each index type under
<code class="leafygreen-ui-1l06pbn">
indexStats.features
</code>
has a
<code class="leafygreen-ui-1l06pbn">
count
</code>
field that counts the total number of indexes for that
type, and an
<code class="leafygreen-ui-1l06pbn">
accesses
</code>
field that counts the number of accesses on that
index.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.0
</em>
.
</p>
</div>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-instance-information">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Instance Information
<a class="headerlink leafygreen-ui-1kepx47" href="#instance-information" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="instance-information">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"host : <string>,\nadvisoryHostFQDNs : <array>,\nversion : <string>,\nprocess : <'mongod'|'mongos'>,\nservice : <'router'|'shard'>,\npid : Long(\"<num>\"),\nuptime : <num>,\nuptimeMillis : Long(\"<num>\"),\nuptimeEstimate : Long(\"<num>\"),\nlocalTime : ISODate(\"<date>\"),","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">host <!-- -->: <<!-- -->string<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">advisoryHostFQDNs <!-- -->: <<!-- -->array<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">version <!-- -->: <<!-- -->string<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">process <!-- -->: <!-- --><<span class="lg-highlight-string">'mongod'</span>|<span class="lg-highlight-string">'mongos'</span>><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">service <!-- -->: <!-- --><<span class="lg-highlight-string">'router'</span>|<span class="lg-highlight-string">'shard'</span>><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">pid <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">uptime <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">uptimeMillis <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">uptimeEstimate <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">localTime <!-- -->: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"<Date>"</span>)<!-- -->,</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
host
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.host" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.host">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The system's hostname. In Unix/Linux systems, this should be the
same as the output of the
<code class="leafygreen-ui-1l06pbn">
hostname
</code>
command.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
advisoryHostFQDNs
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.advisoryHostFQDNs" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.advisoryHostFQDNs">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
An array of the system's fully qualified domain names (FQDNs).
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
version
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.version" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.version">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The MongoDB version of the current MongoDB process.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
process
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.process" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.process">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The current MongoDB process. Possible values are:
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
.
</a>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
service
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.service" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.service">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The role of the current MongoDB process. Possible values are
<code class="leafygreen-ui-1l06pbn">
router
</code>
or
<code class="leafygreen-ui-1l06pbn">
shard
</code>
.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
pid
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.pid" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.pid">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The process ID number.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
uptime
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.uptime" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.uptime">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of seconds that the current MongoDB process has been
active.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
uptimeMillis
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.uptimeMillis" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.uptimeMillis">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of milliseconds that the current MongoDB process has been
active.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
uptimeEstimate
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.uptimeEstimate" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.uptimeEstimate">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The uptime in seconds as calculated from MongoDB's internal
course-grained time keeping system.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
localTime
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.localTime" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.localTime">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The ISODate representing the current time, according to the server,
in UTC.
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-locks">
</span>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-locks">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
locks
<a class="headerlink leafygreen-ui-1kepx47" href="#locks" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="locks">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"locks : {\n <type> : {\n acquireCount : {\n <mode> : Long(\"<num>\"),\n ...\n },\n acquireWaitCount : {\n <mode> : Long(\"<num>\"),\n ...\n },\n timeAcquiringMicros : {\n <mode> : Long(\"<num>\"),\n ...\n },\n deadlockCount : {\n <mode> : Long(\"<num>\"),\n ...\n }\n },\n ...","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">locks <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <<!-- -->type<!-- -->> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->acquireCount <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <<!-- -->mode<!-- -->> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->acquireWaitCount <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <<!-- -->mode<!-- -->> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->timeAcquiringMicros <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <<!-- -->mode<!-- -->> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->deadlockCount <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <<!-- -->mode<!-- -->> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
locks
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.locks" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.locks">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports for each lock
<code class="leafygreen-ui-1l06pbn">
<type>
</code>
, data on lock
<code class="leafygreen-ui-1l06pbn">
<modes>
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
The possible lock
<code class="leafygreen-ui-1l06pbn">
<types>
</code>
are:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:80%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Lock Type
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
ParallelBatchWriterMode
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Represents a lock for parallel batch writer mode.
</p>
<p class="leafygreen-ui-1kp3ins">
In earlier versions, PBWM information was reported as part of
the
<code class="leafygreen-ui-1l06pbn">
Global
</code>
lock information.
</p>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
ReplicationStateTransition
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Represents lock taken for
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-states/">
replica set member state
</a>
transitions.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
Global
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Represents global lock.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
Database
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Represents database lock.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
Collection
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Represents collection lock.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
Mutex
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Represents mutex.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
Metadata
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Represents metadata lock.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
DDLDatabase
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Represents a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-DDL--Data-Definition-Language-">
DDL
</a>
database lock.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
7.1
</em>
.
</p>
</div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
DDLCollection
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Represents a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-DDL--Data-Definition-Language-">
DDL
</a>
collection
lock.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
7.1
</em>
.
</p>
</div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
oplog
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Represents lock on the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-oplog">
oplog
<!-- -->
.
</a>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<p class="leafygreen-ui-1kp3ins">
The possible
<code class="leafygreen-ui-1l06pbn">
<modes>
</code>
are:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:80%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Lock Mode
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
R
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Represents Shared (S) lock.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
W
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Represents Exclusive (X) lock.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
r
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Represents Intent Shared (IS) lock.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
w
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Represents Intent Exclusive (IX) lock.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<p class="leafygreen-ui-1kp3ins">
All values are of the
<code class="leafygreen-ui-1l06pbn">
Long()
</code>
type.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
locks.<type>.acquireCount
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.locks.-type-.acquireCount" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.locks.-type-.acquireCount">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of times the lock was acquired in the specified mode.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
locks.<type>.acquireWaitCount
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.locks.-type-.acquireWaitCount" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.locks.-type-.acquireWaitCount">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of times the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.locks.-type-.acquireCount" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
locks.<type>.acquireCount
</code>
</span>
</a>
lock
acquisitions encountered waits because the locks were held in a
conflicting mode.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
locks.<type>.timeAcquiringMicros
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.locks.-type-.timeAcquiringMicros" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.locks.-type-.timeAcquiringMicros">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Cumulative wait time in microseconds for the lock acquisitions.
</p>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.locks.-type-.timeAcquiringMicros" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
locks.<type>.timeAcquiringMicros
</code>
</span>
</a>
divided by
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.locks.-type-.acquireWaitCount" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
locks.<type>.acquireWaitCount
</code>
</span>
</a>
gives an
approximate average wait time for the particular lock mode.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
locks.<type>.deadlockCount
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.locks.-type-.deadlockCount" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.locks.-type-.deadlockCount">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of times the lock acquisitions encountered deadlocks.
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-logicalSessions">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
logicalSessionRecordCache
<a class="headerlink leafygreen-ui-1kepx47" href="#logicalsessionrecordcache" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="logicalsessionrecordcache">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"logicalSessionRecordCache : {\n activeSessionsCount : <num>,\n sessionsCollectionJobCount : <num>,\n lastSessionsCollectionJobDurationMillis : <num>,\n lastSessionsCollectionJobTimestamp : <date>,\n lastSessionsCollectionJobEntriesRefreshed : <num>,\n lastSessionsCollectionJobEntriesEnded : <num>,\n lastSessionsCollectionJobCursorsClosed : <num>,\n transactionReaperJobCount : <num>,\n lastTransactionReaperJobDurationMillis : <num>,\n lastTransactionReaperJobTimestamp : <date>,\n lastTransactionReaperJobEntriesCleanedUp : <num>,\n sessionCatalogSize : <num>\n},","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">logicalSessionRecordCache <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->activeSessionsCount <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->sessionsCollectionJobCount <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->lastSessionsCollectionJobDurationMillis <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->lastSessionsCollectionJobTimestamp <!-- -->: <<span class="lg-highlight-title lg-highlight-class">Date</span>><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->lastSessionsCollectionJobEntriesRefreshed <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->lastSessionsCollectionJobEntriesEnded <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->lastSessionsCollectionJobCursorsClosed <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->transactionReaperJobCount <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->lastTransactionReaperJobDurationMillis <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->lastTransactionReaperJobTimestamp <!-- -->: <<span class="lg-highlight-title lg-highlight-class">Date</span>><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->lastTransactionReaperJobEntriesCleanedUp <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->sessionCatalogSize <!-- -->: <<!-- -->num<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
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</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
logicalSessionRecordCache
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.logicalSessionRecordCache" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.logicalSessionRecordCache">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Provides metrics around the caching of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/server-sessions/">
server sessions
<!-- -->
.
</a>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
logicalSessionRecordCache.activeSessionsCount
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.logicalSessionRecordCache.activeSessionsCount" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.logicalSessionRecordCache.activeSessionsCount">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of all active local sessions cached in memory by the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance since the last
refresh period.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/listLocalSessions/#mongodb-pipeline-pipe.-listLocalSessions">
<code class="leafygreen-ui-1l06pbn">
$listLocalSessions
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.logicalSessionRefreshMillis">
<code class="leafygreen-ui-1l06pbn">
logicalSessionRefreshMillis
</code>
</a>
</p>
</li>
</ul>
</div>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
logicalSessionRecordCache.sessionsCollectionJobCount
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.logicalSessionRecordCache.sessionsCollectionJobCount" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.logicalSessionRecordCache.sessionsCollectionJobCount">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number that tracks the number of times the refresh process has
run on the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/config-database/#mongodb-data-config.system.sessions">
<code class="leafygreen-ui-1l06pbn">
config.system.sessions
</code>
</a>
collection.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.logicalSessionRefreshMillis">
<code class="leafygreen-ui-1l06pbn">
logicalSessionRefreshMillis
</code>
</a>
</p>
</div>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
logicalSessionRecordCache.lastSessionsCollectionJobDurationMillis
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.logicalSessionRecordCache.lastSessionsCollectionJobDurationMillis" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.logicalSessionRecordCache.lastSessionsCollectionJobDurationMillis">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The length in milliseconds of the last refresh.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
logicalSessionRecordCache.lastSessionsCollectionJobTimestamp
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.logicalSessionRecordCache.lastSessionsCollectionJobTimestamp" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.logicalSessionRecordCache.lastSessionsCollectionJobTimestamp">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The time at which the last refresh occurred.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
logicalSessionRecordCache.lastSessionsCollectionJobEntriesRefreshed
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.logicalSessionRecordCache.lastSessionsCollectionJobEntriesRefreshed" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.logicalSessionRecordCache.lastSessionsCollectionJobEntriesRefreshed">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of sessions that were refreshed during the last refresh.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
logicalSessionRecordCache.lastSessionsCollectionJobEntriesEnded
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.logicalSessionRecordCache.lastSessionsCollectionJobEntriesEnded" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.logicalSessionRecordCache.lastSessionsCollectionJobEntriesEnded">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of sessions that ended during the last refresh.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
logicalSessionRecordCache.lastSessionsCollectionJobCursorsClosed
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.logicalSessionRecordCache.lastSessionsCollectionJobCursorsClosed" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.logicalSessionRecordCache.lastSessionsCollectionJobCursorsClosed">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of cursors that were closed during the last
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/config-database/#mongodb-data-config.system.sessions">
<code class="leafygreen-ui-1l06pbn">
config.system.sessions
</code>
</a>
collection refresh.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
logicalSessionRecordCache.transactionReaperJobCount
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.logicalSessionRecordCache.transactionReaperJobCount" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.logicalSessionRecordCache.transactionReaperJobCount">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number that tracks the number of times the transaction record
cleanup process has run on the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/config-database/#mongodb-data-config.transactions">
<code class="leafygreen-ui-1l06pbn">
config.transactions
</code>
</a>
collection.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
logicalSessionRecordCache.lastTransactionReaperJobDurationMillis
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.logicalSessionRecordCache.lastTransactionReaperJobDurationMillis" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.logicalSessionRecordCache.lastTransactionReaperJobDurationMillis">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The length (in milliseconds) of the last transaction record cleanup.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
logicalSessionRecordCache.lastTransactionReaperJobTimestamp
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.logicalSessionRecordCache.lastTransactionReaperJobTimestamp" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.logicalSessionRecordCache.lastTransactionReaperJobTimestamp">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The time of the last transaction record cleanup.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
logicalSessionRecordCache.lastTransactionReaperJobEntriesCleanedUp
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.logicalSessionRecordCache.lastTransactionReaperJobEntriesCleanedUp" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.logicalSessionRecordCache.lastTransactionReaperJobEntriesCleanedUp">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of entries in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/config-database/#mongodb-data-config.transactions">
<code class="leafygreen-ui-1l06pbn">
config.transactions
</code>
</a>
collection
that were deleted during the last transaction record cleanup.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
logicalSessionRecordCache.sessionCatalogSize
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.logicalSessionRecordCache.sessionCatalogSize" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.logicalSessionRecordCache.sessionCatalogSize">
</div>
</a>
</dt>
<dd>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<dl>
<dt>
For a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance,
</dt>
<dd class="css-1ufxuu7">
The size of its in-memory cache of the
<code class="leafygreen-ui-1l06pbn">
config.transactions
</code>
entries. This corresponds to retryable writes
or transactions whose sessions have not expired within the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.localLogicalSessionTimeoutMinutes">
<code class="leafygreen-ui-1l06pbn">
localLogicalSessionTimeoutMinutes
</code>
.
</a>
</dd>
</dl>
</li>
<li class="leafygreen-ui-d7p7b6">
<dl>
<dt>
For a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance,
</dt>
<dd class="css-1ufxuu7">
The number of the in-memory cache of its sessions that have had
transactions within the most recent
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.localLogicalSessionTimeoutMinutes">
<code class="leafygreen-ui-1l06pbn">
localLogicalSessionTimeoutMinutes
</code>
</a>
interval.
</dd>
</dl>
</li>
</ul>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-memory-status">
</span>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-memory">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
mem
<a class="headerlink leafygreen-ui-1kepx47" href="#mem" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mem">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mem : {\n bits : <int>,\n resident : <int>,\n virtual : <int>,\n supported : <boolean>\n},","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mem <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->bits <!-- -->: <<!-- -->int<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->resident <!-- -->: <<!-- -->int<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->virtual <!-- -->: <<!-- -->int<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->supported <!-- -->: <<!-- -->boolean<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
mem
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.mem" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.mem">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports on the system architecture of the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
and current memory use.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
mem.bits
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.mem.bits" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.mem.bits">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A number, either
<code class="leafygreen-ui-1l06pbn">
64
</code>
or
<code class="leafygreen-ui-1l06pbn">
32
</code>
, that indicates whether the
MongoDB instance is compiled for 64-bit or 32-bit architecture.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
mem.resident
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.mem.resident" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.mem.resident">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The value of
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.mem.resident" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mem.resident
</code>
</span>
</a>
is roughly equivalent to
the amount of RAM, in mebibyte (MiB), currently used by the database
process. During normal use, this value tends to grow. In dedicated
database servers, this number tends to approach the total amount of
system memory.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
mem.virtual
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.mem.virtual" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.mem.virtual">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.mem.virtual" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mem.virtual
</code>
</span>
</a>
displays the quantity, in mebibyte
(MiB), of virtual memory used by the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
process.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
mem.supported
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.mem.supported" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.mem.supported">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A boolean that indicates whether the underlying system supports
extended memory information. If this value is false and the system
does not support extended memory information, then other
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.mem" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mem
</code>
</span>
</a>
values may not be accessible to the database
server.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
mem.note
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.mem.note" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.mem.note">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The field
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.mem.note" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mem.note
</code>
</span>
</a>
appears if
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.mem.supported" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mem.supported
</code>
</span>
</a>
is false.
</p>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.mem.note" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mem.note
</code>
</span>
</a>
field contains the text:
<code class="leafygreen-ui-1l06pbn">
'not all mem
info support on this platform'
</code>
.
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-metrics">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
metrics
<a class="headerlink leafygreen-ui-1kepx47" href="#metrics" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="metrics">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"metrics : {\n abortExpiredTransactions: {\n passes: <integer>\n },\n apiVersions: {\n <appname1>: <string>,\n <appname2>: <string>,\n <appname3>: <string>\n },\n aggStageCounters : {\n <aggregation> : Long(\"<num>\")\n },\n changeStreams: {\n largeEventsFailed: Long(\"<num>\"),\n largeEventsSplit: Long(\"<num>\"),\n showExpandedEvents: Long(\"<num>\")\n },\n commands: {\n <command>: {\n failed: Long(\"<num>\"),\n validator: {\n total: Long(\"<num>\"),\n failed: Long(\"<num>\"),\n jsonSchema: Long(\"<num>\")\n },\n total: Long(\"<num>\"),\n rejected: Long(\"<num>\")\n }\n },\n cursor : {\n moreThanOneBatch : Long(\"<num>\"),\n timedOut : Long(\"<num>\"),\n totalOpened : Long(\"<num>\"),\n lifespan : {\n greaterThanOrEqual10Minutes : Long(\"<num>\"),\n lessThan10Minutes : Long(\"<num>\"),\n lessThan15Seconds : Long(\"<num>\"),\n lessThan1Minute : Long(\"<num>\"),\n lessThan1Second : Long(\"<num>\"),\n lessThan30Seconds : Long(\"<num>\"),\n lessThan5Seconds : Long(\"<num>\")\n },\n open : {\n noTimeout : Long(\"<num>\"),\n pinned : Long(\"<num>\"),\n multiTarget : Long(\"<num>\"),\n singleTarget : Long(\"<num>\"),\n total : Long(\"<num>\")\n }\n },\n document : {\n deleted : Long(\"<num>\"),\n inserted : Long(\"<num>\"),\n returned : Long(\"<num>\"),\n updated : Long(\"<num>\")\n },\n dotsAndDollarsFields : {\n inserts : Long(\"<num>\"),\n updates : Long(\"<num>\")\n },\n getLastError : {\n wtime : {\n num : <num>,\n totalMillis : <num>\n },\n wtimeouts : Long(\"<num>\"),\n default : {\n unsatisfiable : Long(\"<num>\"),\n wtimeouts : Long(\"<num>\")\n }\n },\n mongos : {\n cursor : {\n moreThanOneBatch : Long(\"<num>\"),\n totalOpened : Long(\"<num>\")\n }\n },\n network : { // Added in MongoDB 6.3\n totalEgressConnectionEstablishmentTimeMillis : Long(\"<num>\"),\n totalIngressTLSConnections : Long(\"<num>\"),\n totalIngressTLSHandshakeTimeMillis : Long(\"<num>\"),\n totalTimeForEgressConnectionAcquiredToWireMicros : Long(\"<num>\"),\n totalTimeToFirstNonAuthCommandMillis : Long(\"<num>\")\n },\n operation : {\n killedDueToClientDisconnect : Long(\"<num>\"), // Added in MongoDB 7.1\n killedDueToDefaultMaxTimeMSExpired : Long(\"<num>\"),\n killedDueToMaxTimeMSExpired : Long(\"<num>\"), // Added in MongoDB 7.2\n numConnectionNetworkTimeouts : Long(\"<num>\"), // Added in MongoDB 6.3\n scanAndOrder : Long(\"<num>\"),\n totalTimeWaitingBeforeConnectionTimeoutMillis : Long(\"<num>\"), // Added in MongoDB 6.3\n unsendableCompletedResponses : Long(\"<num>\"), // Added in MongoDB 7.1\n writeConflicts : Long(\"<num>\")\n },\n operatorCounters : {\n expressions : {\n <command> : Long(\"<num>\")\n },\n match : {\n <command> : Long(\"<num>\")\n }\n },\n query: {\n allowDiskUseFalse: Long(\"<num>\"),\n updateOneOpStyleBroadcastWithExactIDCount: Long(\"<num>\"),\n lookup: {\n hashLookup: Long(\"<num>\"),\n hashLookupSpillToDisk: Long(\"<num>\"),\n indexedLoopJoin: Long(\"<num>\"),\n nestedLoopJoin: Long(\"<num>\")\n },\n multiPlanner: {\n classicCount: Long(\"<num>\"),\n classicMicros: Long(\"<num>\"),\n classicWorks: Long(\"<num>\"),\n sbeCount: Long(\"<num>\"),\n sbeMicros: Long(\"<num>\"),\n sbeNumReads: Long(\"<num>\"),\n histograms: {\n classicMicros: [\n { lowerBound: Long(\"0\"), count: Long(\"<num>\") },\n { < Additional histogram groups not shown. > },\n { lowerBound: Long(\"1073741824\"), count: Long(\"<num>\")> }>\n ],\n classicNumPlans: [\n { lowerBound: Long(\"0\"), count: Long(\"<num>\") },\n { < Additional histogram groups not shown. > },\n { lowerBound: Long(\"32\"), count: Long(\"<num>\") }\n ],\n classicWorks: [\n { lowerBound: Long(\"0\"), count: Long(\"<num>\") },\n { < Additional histogram groups not shown. > },\n { lowerBound: Long(\"32768\"), count: Long(\"<num>\") }\n ],\n sbeMicros: [\n { lowerBound: Long(\"0\"), count: Long(\"<num>\") },\n { < Additional histogram groups not shown. > },\n { lowerBound: Long(\"1073741824\"), count: Long(\"<num>\") }\n ],\n sbeNumPlans: [\n { lowerBound: Long(\"0\"), count: Long(\"<num>\") },\n { < Additional histogram groups not shown. > },\n { lowerBound: Long(\"32\"), count: Long(\"<num>\") }\n ],\n sbeNumReads: [\n { lowerBound: Long(\"0\"), count: Long(\"<num>\") },\n { < Additional histogram groups not shown. > },\n { lowerBound: Long(\"32768\"), count: Long(\"<num>\") }\n ]\n }\n },\n planCache: {\n classic: { hits: Long(\"<num>\"), misses: Long(\"<num>\") },\n sbe: { hits: Long(\"<num>\"), misses: Long(\"<num>\") }\n },\n queryFramework: {\n aggregate: {\n classicHybrid: Long(\"<num>\"),\n classicOnly: Long(\"<num>\"),\n cqf: Long(\"<num>\"),\n sbeHybrid: Long(\"<num>\"),\n sbeOnly: Long(\"<num>\")\n },\n find: { classic: Long(\"<num>\"), cqf: Long(\"<num>\"), sbe: Long(\"<num>\") }\n }\n },\n queryExecutor: {\n scanned : Long(\"<num>\"),\n scannedObjects : Long(\"<num>\"),\n collectionScans : {\n nonTailable : Long(\"<num>\"),\n total : Long(\"<num>\")\n }\n },\n record : {\n moves : Long(\"<num>\")\n },\n repl : {\n executor : {\n pool : {\n inProgressCount : <num>\n },\n queues : {\n networkInProgress : <num>,\n sleepers : <num>\n },\n unsignaledEvents : <num>,\n shuttingDown : <boolean>,\n networkInterface : <string>\n },\n apply : {\n attemptsToBecomeSecondary : Long(\"<num>\"),\n batchSize: <num>,\n batches : {\n num : <num>,\n totalMillis : <num>\n },\n ops : Long(\"<num>\")\n },\n write : {\n batchSize: <num>,\n batches : {\n num : <num>,\n totalMillis : <num>\n }\n },\n buffer : {\n write: {\n count : Long(\"<num>\"),\n maxSizeBytes : Long(\"<num>\"),\n sizeBytes : Long(\"<num>\")\n },\n apply: {\n count : Long(\"<num>\"),\n sizeBytes : Long(\"<num>\"),\n maxSizeBytes : Long(\"<num>\"),\n maxCount: Long(\"<num>\")\n },\n },\n initialSync : {\n completed : Long(\"<num>\"),\n failedAttempts : Long(\"<num>\"),\n failures : Long(\"<num>\")\n },\n network : {\n bytes : Long(\"<num>\"),\n getmores : {\n num : <num>,\n totalMillis : <num>\n },\n notPrimaryLegacyUnacknowledgedWrites : Long(\"<num>\"),\n notPrimaryUnacknowledgedWrites : Long(\"<num>\"),\n oplogGetMoresProcessed : {\n num : <num>,\n totalMillis : <num>\n },\n ops : Long(\"<num>\"),\n readersCreated : Long(\"<num>\"),\n replSetUpdatePosition : {\n num : Long(\"<num>\")\n }\n },\n reconfig : {\n numAutoReconfigsForRemovalOfNewlyAddedFields : Long(\"<num>\")\n },\n stateTransition : {\n lastStateTransition : <string>,\n totalOperationsKilled : Long(\"<num>\"),\n totalOperationsRunning : Long(\"<num>\")\n },\n syncSource : {\n numSelections : Long(\"<num>\"),\n numTimesChoseSame : Long(\"<num>\"),\n numTimesChoseDifferent : Long(\"<num>\"),\n numTimesCouldNotFind : Long(\"<num>\")\n },\n waiters : {\n opTime : Long(\"<num>\"),\n replication : Long(\"<num>\")\n }\n },\n storage : {\n freelist : {\n search : {\n bucketExhausted : <num>,\n requests : <num>,\n scanned : <num>\n }\n }\n },\n ttl : {\n deletedDocuments : Long(\"<num>\"),\n passes : Long(\"<num>\"),\n subPasses : Long(\"<num>\")\n }\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">metrics <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">abortExpiredTransactions</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">passes</span>: <<!-- -->integer<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">apiVersions</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <<!-- -->appName1<!-- -->><!-- -->: <<!-- -->string<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><<!-- -->appName2<!-- -->><!-- -->: <<!-- -->string<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><<!-- -->appName3<!-- -->><!-- -->: <<!-- -->string<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->aggStageCounters <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><aggregation stage> : Long("<num>")</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> changeStreams: {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> largeEventsFailed: Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> largeEventsSplit: Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> showExpandedEvents: Long("<num>")</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> commands: {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <command>: {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> failed: Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> validator: {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> total: Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> failed: Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> jsonSchema: Long("<num>")</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> total: Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> rejected: Long("<num>")</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> cursor : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> moreThanOneBatch : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> timedOut : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalOpened : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> lifespan : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> greaterThanOrEqual10Minutes : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> lessThan10Minutes : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> lessThan15Seconds : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> lessThan1Minute : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> lessThan1Second : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> lessThan30Seconds : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> lessThan5Seconds : Long("<num>")</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> open : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> noTimeout : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> pinned : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> multiTarget : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> singleTarget : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> total : Long("<num>")</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> document : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> deleted : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> inserted : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> returned : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> updated : Long("<num>")</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> dotsAndDollarsFields : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> inserts : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> updates : Long("<num>")</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> getLastError : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> wtime : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> num : <num>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalMillis : <num></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> wtimeouts : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> default : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> unsatisfiable : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> wtimeouts : Long("<num>")</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> mongos : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> cursor : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> moreThanOneBatch : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalOpened : Long("<num>")</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> network : { // Added in MongoDB 6.3</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalEgressConnectionEstablishmentTimeMillis : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalIngressTLSConnections : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalIngressTLSHandshakeTimeMillis : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalTimeForEgressConnectionAcquiredToWireMicros : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalTimeToFirstNonAuthCommandMillis : Long("<num>")</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> operation : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> killedDueToClientDisconnect : Long("<num>"), // Added in MongoDB 7.1</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> killedDueToDefaultMaxTimeMSExpired : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> killedDueToMaxTimeMSExpired : Long("<num>"), // Added in MongoDB 7.2</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> numConnectionNetworkTimeouts : Long("<num>"), // Added in MongoDB 6.3</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> scanAndOrder : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalTimeWaitingBeforeConnectionTimeoutMillis : Long("<num>"), // Added in MongoDB 6.3</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> unsendableCompletedResponses : Long("<num>"), // Added in MongoDB 7.1</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> writeConflicts : Long("<num>")</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> operatorCounters : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> expressions : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <command> : Long("<num>")</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> match : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <command> : Long("<num>")</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> query: {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> allowDiskUseFalse: Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> updateOneOpStyleBroadcastWithExactIDCount: Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> lookup: {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> hashLookup: Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> hashLookupSpillToDisk: Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> indexedLoopJoin: Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> nestedLoopJoin: Long("<num>")</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> multiPlanner: {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> classicCount: Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> classicMicros: Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> classicWorks: Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> sbeCount: Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> sbeMicros: Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> sbeNumReads: Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> histograms: {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> classicMicros: [</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { lowerBound: Long("0"), count: Long("<num>") },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { < Additional histogram groups not shown. > },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { lowerBound: Long("1073741824"), count: Long("<num>")> }></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> classicNumPlans: [</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { lowerBound: Long("0"), count: Long("<num>") },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { < Additional histogram groups not shown. > },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { lowerBound: Long("32"), count: Long("<num>") }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> classicWorks: [</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { lowerBound: Long("0"), count: Long("<num>") },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { < Additional histogram groups not shown. > },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { lowerBound: Long("32768"), count: Long("<num>") }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> sbeMicros: [</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { lowerBound: Long("0"), count: Long("<num>") },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { < Additional histogram groups not shown. > },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { lowerBound: Long("1073741824"), count: Long("<num>") }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> sbeNumPlans: [</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { lowerBound: Long("0"), count: Long("<num>") },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { < Additional histogram groups not shown. > },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { lowerBound: Long("32"), count: Long("<num>") }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> sbeNumReads: [</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { lowerBound: Long("0"), count: Long("<num>") },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { < Additional histogram groups not shown. > },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { lowerBound: Long("32768"), count: Long("<num>") }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> planCache: {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> classic: { hits: Long("<num>"), misses: Long("<num>") },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> sbe: { hits: Long("<num>"), misses: Long("<num>") }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> queryFramework: {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> aggregate: {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> classicHybrid: Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> classicOnly: Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> cqf: Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> sbeHybrid: Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> sbeOnly: Long("<num>")</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> find: { classic: Long("<num>"), cqf: Long("<num>"), sbe: Long("<num>") }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> queryExecutor: {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> scanned : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> scannedObjects : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> collectionScans : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> nonTailable : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> total : Long("<num>")</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> record : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> moves : Long("<num>")</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> repl : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> executor : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> pool : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> inProgressCount : <num></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> queues : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> networkInProgress : <num>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> sleepers : <num></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> unsignaledEvents : <num>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> shuttingDown : <boolean>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> networkInterface : <string></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> apply : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> attemptsToBecomeSecondary : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> batchSize: <num>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> batches : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> num : <num>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalMillis : <num></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ops : Long("<num>")</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> write : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> batchSize: <num>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> batches : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> num : <num>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalMillis : <num></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> buffer : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> write: {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> count : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> maxSizeBytes : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> sizeBytes : Long("<num>")</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> apply: {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> count : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> sizeBytes : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> maxSizeBytes : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> maxCount: Long("<num>")</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> initialSync : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> completed : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> failedAttempts : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> failures : Long("<num>")</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> network : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bytes : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> getmores : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> num : <num>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalMillis : <num></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> notPrimaryLegacyUnacknowledgedWrites : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> notPrimaryUnacknowledgedWrites : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> oplogGetMoresProcessed : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> num : <num>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalMillis : <num></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ops : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> readersCreated : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> replSetUpdatePosition : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> num : Long("<num>")</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> reconfig : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> numAutoReconfigsForRemovalOfNewlyAddedFields : Long("<num>")</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> stateTransition : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> lastStateTransition : <string>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalOperationsKilled : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalOperationsRunning : Long("<num>")</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> syncSource : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> numSelections : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> numTimesChoseSame : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> numTimesChoseDifferent : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> numTimesCouldNotFind : Long("<num>")</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> waiters : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> opTime : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> replication : Long("<num>")</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> storage : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> freelist : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> search : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bucketExhausted : <num>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> requests : <num>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> scanned : <num></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ttl : {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> deletedDocuments : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> passes : Long("<num>"),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> subPasses : Long("<num>")</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that returns various statistics that reflect the current
use and state of a running
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.abortExpiredTransactions
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.abortExpiredTransactions" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.abortExpiredTransactions">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Document that returns statistics on the current state of the
<code class="leafygreen-ui-1l06pbn">
abortExpiredTransactions
</code>
thread.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.abortExpiredTransactions.passes
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.abortExpiredTransactions.passes" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.abortExpiredTransactions.passes">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Indicates the number of successful passes aborting transactions
older than the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.transactionLifetimeLimitSeconds">
<code class="leafygreen-ui-1l06pbn">
transactionLifetimeLimitSeconds
</code>
</a>
parameter.
</p>
<p class="leafygreen-ui-1kp3ins">
If the
<code class="leafygreen-ui-1l06pbn">
passes
</code>
value stops incrementing, it indicates that the
<code class="leafygreen-ui-1l06pbn">
abortExpiredTransactions
</code>
thread may be stuck.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.aggStageCounters
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.aggStageCounters" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.aggStageCounters">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports on the use of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation-pipeline/#std-label-aggregation-pipeline-operator-reference">
aggregation pipeline stages
</a>
. The fields in
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.metrics.aggStageCounters" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
metrics.aggStageCounters
</code>
</span>
</a>
are the names of
aggregation pipeline stages. For each pipeline stage,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.serverStatus" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
serverStatus
</code>
</span>
</a>
reports the number of times that stage
has been executed.
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Updated in version 5.2 (and 5.0.6).
</em>
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-apiVersions">
</span>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.apiVersions
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.apiVersions" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.apiVersions">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that contains:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The name of each client application
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The Stable API version that each application was configured with within
the last 24-hour period
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
Consider the following when viewing
<code class="leafygreen-ui-1l06pbn">
metrics.apiVersions
</code>
:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The possible returned values for each
<code class="leafygreen-ui-1l06pbn">
appname
</code>
are:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
default
</code>
: The command was issued without a Stable API version specified.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
1
</code>
: The command was issued with Stable API version 1.
</p>
</li>
</ul>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
You may see both return values for an
<code class="leafygreen-ui-1l06pbn">
appname
</code>
because you can
specify a Stable API version at the command level. Some of your
commands may have been issued with no Stable API version, while
others were issued with version 1.
</p>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
API version metrics are retained for 24 hours. If
no commands are issued with a specific API version from an
application in the past 24 hours, that
<code class="leafygreen-ui-1l06pbn">
appname
</code>
and API version
will be removed from the metrics. This also applies to the
<code class="leafygreen-ui-1l06pbn">
default
</code>
API version metric.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Set the
<code class="leafygreen-ui-1l06pbn">
appname
</code>
when connecting to a MongoDB instance by
specifying the
<code class="leafygreen-ui-1l06pbn">
appname
</code>
in the connection URI.
<code class="leafygreen-ui-1l06pbn">
?appName=ZZZ
</code>
sets the
<code class="leafygreen-ui-1l06pbn">
appname
</code>
to
<code class="leafygreen-ui-1l06pbn">
ZZZZ
</code>
.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Drivers accessing the Stable API can set a default
<code class="leafygreen-ui-1l06pbn">
appname
</code>
.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If no
<code class="leafygreen-ui-1l06pbn">
appname
</code>
is configured, a default value will be
automatically populated based on the product. For example, for a
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/compass/current/" target="_self">
<span>
MongoDB Compass
</span>
</a>
connection with no
<code class="leafygreen-ui-1l06pbn">
appname
</code>
in
the URI, the metric returns:
<code class="leafygreen-ui-1l06pbn">
'MongoDB Compass': [ 'default' ]
</code>
.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
<em>
New in version 5.0.
</em>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.operatorCounters
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.operatorCounters" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.operatorCounters">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports on the use of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/aggregation-pipeline/#std-label-aggregation-pipeline">
aggregation pipeline
</a>
operators and expressions.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.operatorCounters.expressions
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.operatorCounters.expressions" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.operatorCounters.expressions">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document with a number that indicates how often
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/#std-label-aggregation-expression-operators">
Expression Operators
</a>
ran.
</p>
<p class="leafygreen-ui-1kp3ins">
To get metrics for a specific operator, such as the greater-than
operator (
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/gt/#mongodb-expression-exp.-gt">
<code class="leafygreen-ui-1l06pbn">
$gt
</code>
</a>
), append the operator to the command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.runCommand( { serverStatus: 1 } ).metrics.operatorCounters.expressions.$gt","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>( <!-- -->{ <span class="lg-highlight-attr">serverStatus</span>: <span class="lg-highlight-number">1</span> } ).<span class="lg-highlight-property">metrics</span>.<span class="lg-highlight-property">operatorCounters</span>.<span class="lg-highlight-property">expressions</span>.<span class="lg-highlight-property">$gt</span></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.operatorCounters.match
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.operatorCounters.match" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.operatorCounters.match">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document with a number that indicates how often
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/query/#std-label-query-projection-operators-top">
match expressions
</a>
ran.
</p>
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/query/#std-label-query-projection-operators-top">
Match expression operators
</a>
also increment as part of an aggregation pipeline
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/match/#mongodb-pipeline-pipe.-match">
<code class="leafygreen-ui-1l06pbn">
$match
</code>
</a>
stage. If the
<code class="leafygreen-ui-1l06pbn">
$match
</code>
stage uses the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/query/expr/#mongodb-query-op.-expr">
<code class="leafygreen-ui-1l06pbn">
$expr
</code>
</a>
operator, the
counter for
<code class="leafygreen-ui-1l06pbn">
$expr
</code>
increments, but the component counters do not
increment.
</p>
<p class="leafygreen-ui-1kp3ins">
Consider the following query:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.matchCount.aggregate(\n [\n { $match:\n { $expr: { $gt: [ \"$_id\", 0 ] } }\n }\n ]\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">matchCount</span>.<span class="lg-highlight-title lg-highlight-function">aggregate</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">$match</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">$expr</span>: <!-- -->{ <span class="lg-highlight-attr">$gt</span>: <!-- -->[ <span class="lg-highlight-string">"$_id"</span>, <span class="lg-highlight-number">0</span> ] } }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The counter for
<code class="leafygreen-ui-1l06pbn">
$expr
</code>
increments when the query runs. The
counter for
<code class="leafygreen-ui-1l06pbn">
$gt
</code>
does not.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.changeStreams.largeEventsSplit
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.changeStreams.largeEventsSplit" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.changeStreams.largeEventsSplit">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of change stream events larger than 16 MB that were split
into smaller fragments. Events are only split if you use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/changeStreamSplitLargeEvent/#mongodb-pipeline-pipe.-changeStreamSplitLargeEvent">
<code class="leafygreen-ui-1l06pbn">
$changeStreamSplitLargeEvent
</code>
</a>
pipeline stage.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
7.0
</em>
:
<!-- -->
<!-- -->
(
<em>
Also available in 6.0.9
</em>
)
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.changeStreams
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.changeStreams" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.changeStreams">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports information about
<a class="leafygreen-ui-tqgtui" href="/docs/manual/changeStreams/#std-label-changeStreams">
change stream
</a>
events larger than 16 MB.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
7.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.changeStreams.largeEventsFailed
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.changeStreams.largeEventsFailed" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.changeStreams.largeEventsFailed">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of change stream events that caused a
<code class="leafygreen-ui-1l06pbn">
BSONObjectTooLarge
</code>
exception because the event was larger than 16
MB. To prevent the exception, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/changeStreamSplitLargeEvent/#mongodb-pipeline-pipe.-changeStreamSplitLargeEvent">
<code class="leafygreen-ui-1l06pbn">
$changeStreamSplitLargeEvent
</code>
.
</a>
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
7.0
</em>
:
<!-- -->
<!-- -->
(
<em>
Also available in 6.0.9 and 5.0.19
</em>
)
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.changeStreams.showExpandedEvents
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.changeStreams.showExpandedEvents" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.changeStreams.showExpandedEvents">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of change stream cursors with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/change-events/#std-label-change-streams-expanded-events">
showExpandedEvents
</a>
option set to
<code class="leafygreen-ui-1l06pbn">
true
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
The counter for
<code class="leafygreen-ui-1l06pbn">
showExpandedEvents
</code>
increments when you:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Open a change stream cursor.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Run the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/explain/#mongodb-dbcommand-dbcmd.explain">
<code class="leafygreen-ui-1l06pbn">
explain
</code>
</a>
command on a change stream cursor.
</p>
</li>
</ul>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
7.1
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.commands
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.commands" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.commands">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports on the use of database commands. The fields
in
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.metrics.commands" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
metrics.commands
</code>
</span>
</a>
are the names of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/">
database
commands
</a>
. For each command, the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.serverStatus" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
serverStatus
</code>
</span>
</a>
reports the total number of executions and
the number of failed executions.
</p>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.metrics.commands" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
metrics.commands
</code>
</span>
</a>
includes
<code class="leafygreen-ui-1l06pbn">
replSetStepDownWithForce
</code>
(i.e. the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/replSetStepDown/#mongodb-dbcommand-dbcmd.replSetStepDown">
<code class="leafygreen-ui-1l06pbn">
replSetStepDown
</code>
</a>
command with
<code class="leafygreen-ui-1l06pbn">
force: true
</code>
) as well as the overall
<code class="leafygreen-ui-1l06pbn">
replSetStepDown
</code>
. In earlier versions, the command
reported only overall
<code class="leafygreen-ui-1l06pbn">
replSetStepDown
</code>
metrics.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.commands.<command>.failed
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.commands.-command-.failed" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.commands.-command-.failed">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of times
<code class="leafygreen-ui-1l06pbn">
<command>
</code>
failed on this
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
.
</a>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.commands.<create or collMod>.validator
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.commands.-create-or-collMod-.validator" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.commands.-create-or-collMod-.validator">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
For the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/create/#mongodb-dbcommand-dbcmd.create">
<code class="leafygreen-ui-1l06pbn">
create
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/collMod/#mongodb-dbcommand-dbcmd.collMod">
<code class="leafygreen-ui-1l06pbn">
collMod
</code>
</a>
commands, a document
that reports on non-empty
<code class="leafygreen-ui-1l06pbn">
validator
</code>
objects passed to the command to
specify
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/schema-validation/#std-label-schema-validation-overview">
validation rules or expressions
</a>
for the collection.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.commands.<create or collMod>.validator.total
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.commands.-create-or-collMod-.validator.total" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.commands.-create-or-collMod-.validator.total">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of times a non-empty
<code class="leafygreen-ui-1l06pbn">
validator
</code>
object was passed as an option
to the command on this
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
.
</a>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.commands.<create or collMod>.validator.failed
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.commands.-create-or-collMod-.validator.failed" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.commands.-create-or-collMod-.validator.failed">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of times a call to the command on this
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
failed with a non-empty
<code class="leafygreen-ui-1l06pbn">
validator
</code>
object due to a schema validation
error.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.commands.<create or collMod>.validator.jsonSchema
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.commands.-create-or-collMod-.validator.jsonSchema" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.commands.-create-or-collMod-.validator.jsonSchema">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of times a
<code class="leafygreen-ui-1l06pbn">
validator
</code>
object with a
<code class="leafygreen-ui-1l06pbn">
$jsonSchema
</code>
was passed
as an option to the command on this
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
.
</a>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.commands.<command>.total
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.commands.-command-.total" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.commands.-command-.total">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of times
<code class="leafygreen-ui-1l06pbn">
<command>
</code>
executed on this
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
.
</a>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.commands.<command>.rejected
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.commands.-command-.rejected" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.commands.-command-.rejected">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of times
<code class="leafygreen-ui-1l06pbn">
<command>
</code>
was rejected on this
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
because the command or operation has an
associated query setting where the
<code class="leafygreen-ui-1l06pbn">
reject
</code>
field is
<code class="leafygreen-ui-1l06pbn">
true
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
To set the
<code class="leafygreen-ui-1l06pbn">
reject
</code>
field, use
<code class="leafygreen-ui-1l06pbn">
setQuerySettings
</code>
.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.commands.update.pipeline
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.commands.update.pipeline" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.commands.update.pipeline">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of times an
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation-pipeline/#std-label-aggregation-pipeline-operator-reference">
aggregation pipeline
</a>
was used to update documents on this
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
. Subtract
this value from the total number of updates to get the number of
updates made with
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/update/#std-label-update-operators-top-level">
document
</a>
syntax.
</p>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
pipeline
</code>
counter is only available for
<code class="leafygreen-ui-1l06pbn">
update
</code>
and
<code class="leafygreen-ui-1l06pbn">
findAndModify
</code>
operations.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.commands.findAndModify.pipeline
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.commands.findAndModify.pipeline" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.commands.findAndModify.pipeline">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of times
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.findAndModify/#mongodb-method-db.collection.findAndModify">
<code class="leafygreen-ui-1l06pbn">
findAndModify()
</code>
</a>
was
used in an
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation-pipeline/#std-label-aggregation-pipeline-operator-reference">
aggregation pipeline
</a>
to update documents on this
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
pipeline
</code>
counter is only available for
<code class="leafygreen-ui-1l06pbn">
update
</code>
and
<code class="leafygreen-ui-1l06pbn">
findAndModify
</code>
operations.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.commands.update.arrayFilters
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.commands.update.arrayFilters" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.commands.update.arrayFilters">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of times an
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.findAndModify/#std-label-findAndModify-arrayFilters">
arrayFilter
</a>
was used to update documents on this
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
arrayFilters
</code>
counter is only available for
<code class="leafygreen-ui-1l06pbn">
update
</code>
and
<code class="leafygreen-ui-1l06pbn">
findAndModify
</code>
operations.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.commands.findAndModify.arrayFilters
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.commands.findAndModify.arrayFilters" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.commands.findAndModify.arrayFilters">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of times an
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.findAndModify/#std-label-findAndModify-arrayFilters">
arrayFilter
</a>
was used with
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.findAndModify/#mongodb-method-db.collection.findAndModify">
<code class="leafygreen-ui-1l06pbn">
findAndModify()
</code>
</a>
to update
documents on this
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
arrayFilters
</code>
counter is only available for
<code class="leafygreen-ui-1l06pbn">
update
</code>
and
<code class="leafygreen-ui-1l06pbn">
findAndModify
</code>
operations.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.document
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.document" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.document">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reflects document access and modification patterns.
Compare these values to the data in the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.opcounters" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
opcounters
</code>
</span>
</a>
document, which track total number of operations.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.document.deleted
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.document.deleted" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.document.deleted">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of documents deleted.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.document.inserted
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.document.inserted" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.document.inserted">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of documents inserted.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.document.returned
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.document.returned" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.document.returned">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of documents returned by queries.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.document.updated
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.document.updated" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.document.updated">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of documents matched for update operations. This value is not
necessarily the same as the number of documents modified by updates.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.dotsAndDollarsFields
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.dotsAndDollarsFields" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.dotsAndDollarsFields">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document with a number that indicates how often
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/insert-documents/#std-label-write-op-insert">
insert
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/update-documents/#std-label-write-op-update">
update
</a>
operations ran using a dollar (
<code class="leafygreen-ui-1l06pbn">
$
</code>
) prefixed name. The value does
not report the exact number of operations.
</p>
<p class="leafygreen-ui-1kp3ins">
When an
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-upsert">
upsert
</a>
operation creates a new document, it is
considered to be an
<code class="leafygreen-ui-1l06pbn">
insert
</code>
rather than an
<code class="leafygreen-ui-1l06pbn">
update
</code>
.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.executor
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.executor" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.executor">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports on various statistics for the replication
executor.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.getLastError
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.getLastError" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.getLastError">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports on
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#std-label-write-concern">
write concern
</a>
use.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.getLastError.wtime
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.getLastError.wtime" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.getLastError.wtime">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#std-label-write-concern">
write concern
</a>
operation counts with a
<code class="leafygreen-ui-1l06pbn">
w
</code>
argument greater than
<code class="leafygreen-ui-1l06pbn">
1
</code>
.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.getLastError.wtime.num
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.getLastError.wtime.num" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.getLastError.wtime.num">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of operations with a specified write concern
(i.e.
<code class="leafygreen-ui-1l06pbn">
w
</code>
) that wait for one or more members of a replica set to
acknowledge the write operation (i.e. a
<code class="leafygreen-ui-1l06pbn">
w
</code>
value greater than
<code class="leafygreen-ui-1l06pbn">
1
</code>
.)
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.getLastError.wtime.totalMillis
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.getLastError.wtime.totalMillis" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.getLastError.wtime.totalMillis">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total amount of time in milliseconds that the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
has spent performing
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#std-label-write-concern">
write concern
</a>
operations with a write concern (i.e.
<code class="leafygreen-ui-1l06pbn">
w
</code>
) that
waits for one or more members of a replica set to acknowledge the
write operation (i.e. a
<code class="leafygreen-ui-1l06pbn">
w
</code>
value greater than
<code class="leafygreen-ui-1l06pbn">
1
</code>
.)
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.getLastError.wtimeouts
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.getLastError.wtimeouts" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.getLastError.wtimeouts">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of times that
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-write-concern">
write concern
</a>
operations have timed
out as a result of the
<code class="leafygreen-ui-1l06pbn">
wtimeout
</code>
threshold. This number
increments for both default and non-default write concern
specifications.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.getLastError.default
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.getLastError.default" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.getLastError.default">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports on when a default
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#std-label-write-concern">
write concern
</a>
was used (meaning, a non-
<code class="leafygreen-ui-1l06pbn">
clientSupplied
</code>
write
concern). The possible origins of a default write concern are:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
implicitDefault
</code>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
customDefault
</code>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
getLastErrorDefaults
</code>
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
Refer to the following table for information on
each possible write concern origin, or
<code class="leafygreen-ui-1l06pbn">
provenance
</code>
:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:40%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Provenance
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
clientSupplied
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The write concern was specified in the application.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
customDefault
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The write concern originated from a custom defined
default value. See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/setDefaultRWConcern/#mongodb-dbcommand-dbcmd.setDefaultRWConcern">
<code class="leafygreen-ui-1l06pbn">
setDefaultRWConcern
</code>
.
</a>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
getLastErrorDefaults
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The write concern originated from the replica set's
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/#mongodb-rsconf-rsconf.settings.getLastErrorDefaults">
<code class="leafygreen-ui-1l06pbn">
settings.getLastErrorDefaults
</code>
</a>
field.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
implicitDefault
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The write concern originated from the server in absence
of all other write concern specifications.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.getLastError.default.unsatisfiable
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.getLastError.default.unsatisfiable" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.getLastError.default.unsatisfiable">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of times that a non-
<code class="leafygreen-ui-1l06pbn">
clientSupplied
</code>
write concern
returned the
<code class="leafygreen-ui-1l06pbn">
UnsatisfiableWriteConcern
</code>
error code.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.getLastError.default.wtimeouts
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.getLastError.default.wtimeouts" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.getLastError.default.wtimeouts">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of times a non-
<code class="leafygreen-ui-1l06pbn">
clientSupplied
</code>
write concern timed out.
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-metrics-mongos">
</span>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.mongos
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.mongos" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.mongos">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that contains metrics about
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
.
</a>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.mongos.cursor
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.mongos.cursor" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.mongos.cursor">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that contains metrics for cursors used by
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
.
</a>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.mongos.cursor.moreThanOneBatch
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.mongos.cursor.moreThanOneBatch" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.mongos.cursor.moreThanOneBatch">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of cursors that have returned more than one batch
since
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
started. Additional batches are retrieved
using the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/getMore/#mongodb-dbcommand-dbcmd.getMore">
<code class="leafygreen-ui-1l06pbn">
getMore
</code>
</a>
command.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.mongos.cursor.totalOpened
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.mongos.cursor.totalOpened" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.mongos.cursor.totalOpened">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of cursors that have been opened since
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
started, including cursors currently open.
Differs from
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.metrics.cursor.open.total" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
metrics.cursor.open.total
</code>
</span>
</a>
, which is the
number of currently open cursors only.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.network
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.network" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.network">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.3
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
A document that reports server network metrics.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.network.totalEgressConnectionEstablishmentTimeMillis
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.network.totalEgressConnectionEstablishmentTimeMillis" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.network.totalEgressConnectionEstablishmentTimeMillis">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.3
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
The total time in milliseconds to establish server connections.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.network.totalIngressTLSConnections
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.network.totalIngressTLSConnections" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.network.totalIngressTLSConnections">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.3
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
The total number of incoming connections to the server that use TLS.
The number is cumulative and is the total after the server was
started.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.network.totalIngressTLSHandshakeTimeMillis
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.network.totalIngressTLSHandshakeTimeMillis" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.network.totalIngressTLSHandshakeTimeMillis">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.3
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
The total time in milliseconds that incoming connections to the
server have to wait for the TLS network handshake to complete. The
number is cumulative and is the total after the server was started.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.network.totalTimeForEgressConnectionAcquiredToWireMicros
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.network.totalTimeForEgressConnectionAcquiredToWireMicros" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.network.totalTimeForEgressConnectionAcquiredToWireMicros">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.3
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
The total time in microseconds that operations wait between
acquisition of a server connection and writing the bytes to send to
the server over the network. The number is cumulative and is the
total after the server was started.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.network.totalTimeToFirstNonAuthCommandMillis
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.network.totalTimeToFirstNonAuthCommandMillis" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.network.totalTimeToFirstNonAuthCommandMillis">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.3
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
The total time in milliseconds from accepting incoming connections to
the server and receiving the first operation that isn't part of the
connection authentication handshake. The number is cumulative and is
the total after the server was started.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.operation
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.operation" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.operation">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that holds counters for several types of update and query
operations that MongoDB handles using special operation types.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.operation.killedDueToClientDisconnect
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.operation.killedDueToClientDisconnect" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.operation.killedDueToClientDisconnect">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
7.1
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
Total number of operations cancelled before completion
because the client disconnected.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.operation.killedDueToDefaultMaxTimeMSExpired
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.operation.killedDueToDefaultMaxTimeMSExpired" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.operation.killedDueToDefaultMaxTimeMSExpired">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
Total number of operations that timed out due to the cluster-level
default timeout,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/cluster-parameters/defaultMaxTimeMS/#mongodb-parameter-param.defaultMaxTimeMS">
<code class="leafygreen-ui-1l06pbn">
defaultMaxTimeMS
</code>
.
</a>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.operation.killedDueToMaxTimeMSExpired
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.operation.killedDueToMaxTimeMSExpired" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.operation.killedDueToMaxTimeMSExpired">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
7.2
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
Total number of operations that timed out due to the operation-level
timeout,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/cursor.maxTimeMS/#mongodb-method-cursor.maxTimeMS">
<code class="leafygreen-ui-1l06pbn">
cursor.maxTimeMS()
</code>
.
</a>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.operation.numConnectionNetworkTimeouts
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.operation.numConnectionNetworkTimeouts" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.operation.numConnectionNetworkTimeouts">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.3
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
Total number of operations that failed because of server connection
acquisition time out errors.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.operation.scanAndOrder
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.operation.scanAndOrder" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.operation.scanAndOrder">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of queries that return sorted numbers that cannot
perform the sort operation using an index.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.operation.totalTimeWaitingBeforeConnectionTimeoutMillis
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.operation.totalTimeWaitingBeforeConnectionTimeoutMillis" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.operation.totalTimeWaitingBeforeConnectionTimeoutMillis">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.3
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
Total time in milliseconds that operations waited before failing
because of server connection acquisition time out errors.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.operation.unsendableCompletedResponses
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.operation.unsendableCompletedResponses" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.operation.unsendableCompletedResponses">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
7.1
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
Total number of operations that completed server-side but
did not send their response to the client because
the connection between the client and server failed or disconnected.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.operation.writeConflicts
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.operation.writeConflicts" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.operation.writeConflicts">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of queries that encountered write conflicts.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.query.lookup
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.query.lookup" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.query.lookup">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that provides detailed data on the use of the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/lookup/#mongodb-pipeline-pipe.-lookup">
<code class="leafygreen-ui-1l06pbn">
$lookup
</code>
</a>
stage with the
<!-- -->
slot-based query execution engine
<!-- -->
. To learn more, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/aggregation-pipeline-optimization/#std-label-agg-lookup-optimization-sbe">
<code class="leafygreen-ui-1l06pbn">
$lookup
</code>
Optimization
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
These metrics are primarily intended for internal use by MongoDB.
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
New in version 6.1
</em>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.query.multiPlanner
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.query.multiPlanner" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.query.multiPlanner">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Provides detailed query planning data for the
<!-- -->
slot-based query execution engine
<!-- -->
and the classic
query engine. For more information on the
<!-- -->
slot-based query execution engine
<!-- -->
see:
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/aggregation-pipeline-optimization/#std-label-sbe-pipeline-optimizations">
Slot-Based Query Execution Engine
<!-- -->
Pipeline Optimizations
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
These metrics are primarily intended for internal use by MongoDB.
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
New in version 6.0.0 and 5.0.9
</em>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.query.sort
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.query.sort" title="Permalink to this definition">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.query.sort">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that holds counters related to sort stages.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.2
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.query.sort.spillToDisk
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.query.sort.spillToDisk" title="Permalink to this definition">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.query.sort.spillToDisk">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of writes to disk caused by sort stages.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.2
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.query.sort.totalBytesSorted
</code>
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.query.sort.totalBytesSorted">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total amount of sorted data in bytes.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.2
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.query.sort.totalKeysSorted
</code>
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.query.sort.totalKeysSorted">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of keys used in sorts.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.2
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
query.multiPlanner.classicMicros
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.query.multiPlanner.classicMicros" title="Permalink to this definition">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.query.multiPlanner.classicMicros">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Aggregates the total number of microseconds spent in the classic
multiplanner.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
query.multiPlanner.classicWorks
</code>
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.query.multiPlanner.classicWorks">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Aggregates the total number of "works" performed in the classic
multiplanner.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
query.multiPlanner.classicCount
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.query.multiPlanner.classicCount" title="Permalink to this definition">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.query.multiPlanner.classicCount">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Aggregates the total number of invocations of the classic
multiplanner.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
query.multiPlanner.sbeMicros
</code>
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.query.multiPlanner.sbeMicros">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Aggregates the total number of microseconds spent in the
<!-- -->
slot-based execution engine
<!-- -->
multiplanner.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
query.multiPlanner.sbeNumReads
</code>
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.query.multiPlanner.sbeNumReads">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Aggregates the total number of reads done in the
<!-- -->
slot-based execution engine
<!-- -->
multiplanner.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
query.multiPlanner.sbeCount
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.query.multiPlanner.sbeCount" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.query.multiPlanner.sbeCount">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Aggregates the total number of invocations of the
<!-- -->
slot-based execution engine
<!-- -->
multiplanner.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
query.multiPlanner.histograms.classicMicros
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.query.multiPlanner.histograms.classicMicros" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.query.multiPlanner.histograms.classicMicros">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A histogram measuring the number of microseconds spent in an
invocation of the classic multiplanner.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
query.multiPlanner.histograms.classicWorks
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.query.multiPlanner.histograms.classicWorks" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.query.multiPlanner.histograms.classicWorks">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A histogram measuring the number of "works" performed during an
invocation of the classic multiplanner.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
query.multiPlanner.histograms.classicNumPlans
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.query.multiPlanner.histograms.classicNumPlans" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.query.multiPlanner.histograms.classicNumPlans">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A histogram measuring the number of plans in the candidate set during
an invocation of the classic multiplanner.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
query.multiPlanner.histograms.sbeMicros
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.query.multiPlanner.histograms.sbeMicros" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.query.multiPlanner.histograms.sbeMicros">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A histogram measuring the number of microseconds spent in an
invocation of the
<!-- -->
slot-based execution engine
<!-- -->
multiplanner.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
query.multiPlanner.histograms.sbeNumReads
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.query.multiPlanner.histograms.sbeNumReads" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.query.multiPlanner.histograms.sbeNumReads">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A histogram measuring the number of reads during an invocation of the
<!-- -->
slot-based execution engine
<!-- -->
multiplanner.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
query.multiPlanner.histograms.sbeNumPlans
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.query.multiPlanner.histograms.sbeNumPlans" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.query.multiPlanner.histograms.sbeNumPlans">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A histogram measuring the number of plans in the candidate set during
an invocation of the
<!-- -->
slot-based execution engine
<!-- -->
multiplanner.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
query.queryFramework.aggregate
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.query.queryFramework.aggregate" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.query.queryFramework.aggregate">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports on the number of aggregation operations run on each
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-query-framework">
query framework
</a>
. The subfields in
<code class="leafygreen-ui-1l06pbn">
query.queryFramework.aggregate
</code>
indicate the number of times each framework was used to perform an
aggregation operation.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
query.queryFramework.find
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.query.queryFramework.find" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.query.queryFramework.find">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports on the number of find operations run on each
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-query-framework">
query framework
</a>
. The subfields in
<code class="leafygreen-ui-1l06pbn">
query.queryFramework.find
</code>
indicate the number of times each framework was used to perform a find
operation.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.queryExecutor
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.queryExecutor" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.queryExecutor">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports data from the query execution system.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.queryExecutor.scanned
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.queryExecutor.scanned" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.queryExecutor.scanned">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of index items scanned during queries and
query-plan evaluation. This counter is the same as
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/explain-results/#mongodb-data-explain.executionStats.totalKeysExamined">
<code class="leafygreen-ui-1l06pbn">
totalKeysExamined
</code>
</a>
in the output of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/cursor.explain/#mongodb-method-cursor.explain">
<code class="leafygreen-ui-1l06pbn">
explain()
</code>
.
</a>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.queryExecutor.scannedObjects
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.queryExecutor.scannedObjects" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.queryExecutor.scannedObjects">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of documents scanned during queries and query-plan
evaluation. This counter is the same as
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/explain-results/#mongodb-data-explain.executionStats.totalDocsExamined">
<code class="leafygreen-ui-1l06pbn">
totalDocsExamined
</code>
</a>
in the output of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/cursor.explain/#mongodb-method-cursor.explain">
<code class="leafygreen-ui-1l06pbn">
explain()
</code>
.
</a>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.queryExecutor.collectionScans
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.queryExecutor.collectionScans" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.queryExecutor.collectionScans">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports on the number of queries that performed a
collection scan.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.queryExecutor.collectionScans.nonTailable
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.queryExecutor.collectionScans.nonTailable" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.queryExecutor.collectionScans.nonTailable">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of queries that performed a collection scan that did not
use a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/tailable-cursors/#std-label-tailable-cursors-landing-page">
tailable cursor
<!-- -->
.
</a>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.queryExecutor.collectionScans.total
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.queryExecutor.collectionScans.total" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.queryExecutor.collectionScans.total">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number queries that performed a collection scan. The total
consists of queries that did and did not use a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/tailable-cursors/">
tailable cursor
<!-- -->
.
</a>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.record
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.record" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.record">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports on data related to record allocation in the
on-disk memory files.
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-replnetworkqueue">
</span>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-repl-network-queue">
</span>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports metrics related to the replication process.
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.metrics.repl" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
metrics.repl
</code>
</span>
</a>
document appears on all
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instances, even those that aren't members of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-replica-set">
replica sets
<!-- -->
.
</a>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.apply
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.apply" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.apply">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports on the application of operations from the
replication
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-oplog">
oplog
<!-- -->
.
</a>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.apply.batchSize
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.apply.batchSize" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.apply.batchSize">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of oplog operations applied. The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.metrics.repl.apply.batchSize" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.apply.batchSize
</code>
</span>
</a>
is incremented with the
number of operations in a batch at the batch boundaries instead of
being incremented by one after each operation.
</p>
<p class="leafygreen-ui-1kp3ins">
For finer granularity, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.metrics.repl.apply.ops" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.apply.ops
</code>
.
</span>
</a>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.apply.batches
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.apply.batches" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.apply.batches">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.metrics.repl.apply.batches" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.apply.batches
</code>
</span>
</a>
reports on the
oplog application process on
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-secondary">
secondaries
</a>
members of replica sets. See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/replica-set-sync/#std-label-replica-set-internals-multi-threaded-replication">
Multithreaded Replication
</a>
for more
information on the oplog application processes.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.apply.batches.num
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.apply.batches.num" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.apply.batches.num">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of batches applied across all databases.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.apply.batches.totalMillis
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.apply.batches.totalMillis" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.apply.batches.totalMillis">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total amount of time in milliseconds the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
has
spent applying operations from the oplog.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.apply.ops
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.apply.ops" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.apply.ops">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-oplog">
oplog
</a>
operations applied.
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.metrics.repl.apply.ops" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.apply.ops
</code>
</span>
</a>
is incremented after each
operation.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.metrics.repl.apply.batchSize" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.apply.batchSize
</code>
</span>
</a>
</p>
</div>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.write
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.write" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.write">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Document that reports on entries written to the oplog.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.write.batchSize
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.write.batchSize" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.write.batchSize">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Total number of entries written to the oplog. This metric updates with the number
of entries in each batch as the member finishes writing the batch to the oplog.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.write.batches
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.write.batches" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.write.batches">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Document that reports on the oplog writing process for secondary members.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.write.batches.num
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.write.batches.num" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.write.batches.num">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Total number of batches written across all databases.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.write.batches.totalMillis
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.write.batches.totalMillis" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.write.batches.totalMillis">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Total time in milliseconds the member has spent writing entries to the oplog.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.buffer" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.buffer">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
MongoDB buffers oplog operations from the replication sync source
buffer before applying oplog entries in a
batch.
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.metrics.repl.buffer" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer
</code>
</span>
</a>
provides a way to
track oplog buffers. See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/replica-set-sync/#std-label-replica-set-internals-multi-threaded-replication">
Multithreaded Replication
</a>
for more
information on the oplog application process.
</p>
<div>
<p>
<em>
Changed
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, secondaries now update the local oplog and apply
changes to the database in parallel. For each batch of oplog entries, MongoDB
uses two buffers:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.metrics.repl.buffer.write" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
write
</code>
</span>
</a>
buffer receives
new oplog entries from the primary. The writer adds these entries to the
local oplog and sends them to the applier.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.metrics.repl.buffer.apply" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
apply
</code>
</span>
</a>
buffer receives new
oplog entries from the writer. The applier uses these entries to update
the local database.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
This is a breaking change as it deprecates the older
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer
</code>
status metrics.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer.apply
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.buffer.apply" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.buffer.apply">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Provides information on the status of the oplog apply buffer.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer.apply.count
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.buffer.apply.count" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.buffer.apply.count">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The current number of operations in the oplog apply buffer.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer.apply.maxCount
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.buffer.apply.maxCount" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.buffer.apply.maxCount">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Maximum number of operations in the oplog apply buffer.
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-program-mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
sets this value using a constant, which is not configurable.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer.apply.maxSizeBytes
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.buffer.apply.maxSizeBytes" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.buffer.apply.maxSizeBytes">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Maximum size of the apply buffer.
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-program-mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
sets this size using
a constant, which is not configurable.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer.apply.sizeBytes
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.buffer.apply.sizeBytes" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.buffer.apply.sizeBytes">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The current size of the contents of the oplog apply buffer.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer.count
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.buffer.count" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.buffer.count">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
Deprecated
<!-- -->
since version
<!-- -->
8.0
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, secondaries use separate buffers to write and apply
oplog entries. For the current number of operations in the oplog buffers, see the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.metrics.repl.buffer.apply.count" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
apply.count
</code>
</span>
</a>
or
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.metrics.repl.buffer.write.count" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
write.count
</code>
</span>
</a>
status metrics.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer.maxSizeBytes
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.buffer.maxSizeBytes" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.buffer.maxSizeBytes">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
Deprecated
<!-- -->
since version
<!-- -->
8.0
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, secondaries use separate buffers to write and
apply oplog entries. For the maximum size of the buffers, see the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.metrics.repl.buffer.apply.maxSizeBytes" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
apply.maxSizeBytes
</code>
</span>
</a>
or
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.metrics.repl.buffer.write.maxSizeBytes" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
write.maxSizeBytes
</code>
</span>
</a>
status metrics.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer.sizeBytes
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.buffer.sizeBytes" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.buffer.sizeBytes">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
Deprecated
<!-- -->
since version
<!-- -->
8.0
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, secondaries use separate buffers to write and apply
oplog entries. For the current size of the oplog buffers, see the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.metrics.repl.buffer.apply.sizeBytes" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
apply.sizeBytes
</code>
</span>
</a>
or
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.metrics.repl.buffer.write.sizeBytes" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
write.sizeBytes
</code>
</span>
</a>
status metrics.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer.write
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.buffer.write" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.buffer.write">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Provides information on the status of the oplog write buffer.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer.write.count
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.buffer.write.count" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.buffer.write.count">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The current number of operations in the oplog write buffer.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer.write.maxSizeBytes
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.buffer.write.maxSizeBytes" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.buffer.write.maxSizeBytes">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Maximum size of the write buffer.
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-program-mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
sets this value
using a constant, which is not configurable.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer.write.sizeBytes
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.buffer.write.sizeBytes" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.buffer.write.sizeBytes">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The current size of the contents of the oplog write buffer.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.network
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.network" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.network">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.metrics.repl.network" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.network
</code>
</span>
</a>
reports network use by
the replication process.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.network.bytes
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.network.bytes" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.network.bytes">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.metrics.repl.network.bytes" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.network.bytes
</code>
</span>
</a>
reports the total
amount of data read from the replication sync source.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.network.getmores
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.network.getmores" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.network.getmores">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.metrics.repl.network.getmores" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.network.getmores
</code>
</span>
</a>
reports on the
<code class="leafygreen-ui-1l06pbn">
getmore
</code>
operations, which are requests for additional results
from the oplog
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-cursor">
cursor
</a>
as part of the oplog replication
process.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.network.getmores.num
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.network.getmores.num" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.network.getmores.num">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.metrics.repl.network.getmores.num" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.network.getmores.num
</code>
</span>
</a>
reports the
total number of
<code class="leafygreen-ui-1l06pbn">
getmore
</code>
operations, which are operations that
request an additional set of operations from the replication sync
source.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.network.getmores.totalMillis
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.network.getmores.totalMillis" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.network.getmores.totalMillis">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.metrics.repl.network.getmores.totalMillis" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.network.getmores.totalMillis
</code>
</span>
</a>
reports the total amount of time required to collect data from
<code class="leafygreen-ui-1l06pbn">
getmore
</code>
operations.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
This number can be quite large, as MongoDB will wait for more
data even if the
<code class="leafygreen-ui-1l06pbn">
getmore
</code>
operation does not initial return
data.
</p>
</div>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.network.getmores.numEmptyBatches
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.network.getmores.numEmptyBatches" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.network.getmores.numEmptyBatches">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of empty
<code class="leafygreen-ui-1l06pbn">
oplog
</code>
batches a secondary receives from its
sync source. A secondary receives an empty batch if it is fully
synced with its source and either:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
getmore
</code>
times out waiting for more data, or
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The sync source's majority commit point has advanced since the
last batch sent to this secondary.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
For a primary, if the instance was previously a secondary, the
number reports on the empty batches received when it was a
secondary. Otherwise, for a primary, this number is
<code class="leafygreen-ui-1l06pbn">
0
</code>
.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.network.notPrimaryLegacyUnacknowledgedWrites
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.network.notPrimaryLegacyUnacknowledgedWrites" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.network.notPrimaryLegacyUnacknowledgedWrites">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of unacknowledged (
<code class="leafygreen-ui-1l06pbn">
w: 0
</code>
) legacy write operations (see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/mongodb-wire-protocol/#std-label-wp-request-opcodes">
Opcodes
</a>
) that failed because the current
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
is not in
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-states/#mongodb-replstate-replstate.PRIMARY">
<code class="leafygreen-ui-1l06pbn">
PRIMARY
</code>
</a>
state.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.network.notPrimaryUnacknowledgedWrites
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.network.notPrimaryUnacknowledgedWrites" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.network.notPrimaryUnacknowledgedWrites">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of unacknowledged (
<code class="leafygreen-ui-1l06pbn">
w: 0
</code>
) write operations that failed
because the current
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
is not in
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-states/#mongodb-replstate-replstate.PRIMARY">
<code class="leafygreen-ui-1l06pbn">
PRIMARY
</code>
</a>
state.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.network.oplogGetMoresProcessed
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.network.oplogGetMoresProcessed" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.network.oplogGetMoresProcessed">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports the number of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/getMore/#mongodb-dbcommand-dbcmd.getMore">
<code class="leafygreen-ui-1l06pbn">
getMore
</code>
</a>
commands to fetch the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-oplog">
oplog
</a>
that a node processed as a sync
source.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.network.oplogGetMoresProcessed.num
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.network.oplogGetMoresProcessed.num" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.network.oplogGetMoresProcessed.num">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/getMore/#mongodb-dbcommand-dbcmd.getMore">
<code class="leafygreen-ui-1l06pbn">
getMore
</code>
</a>
commands to fetch the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-oplog">
oplog
</a>
that a node processed as a sync source.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.network.oplogGetMoresProcessed.totalMillis
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.network.oplogGetMoresProcessed.totalMillis" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.network.oplogGetMoresProcessed.totalMillis">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The time, in milliseconds, that a node spent processing the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/getMore/#mongodb-dbcommand-dbcmd.getMore">
<code class="leafygreen-ui-1l06pbn">
getMore
</code>
</a>
commands counted in
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.metrics.repl.network.oplogGetMoresProcessed.num" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.network.oplogGetMoresProcessed.num
</code>
.
</span>
</a>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.network.ops
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.network.ops" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.network.ops">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total
number of operations read from the replication source.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.network.readersCreated
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.network.readersCreated" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.network.readersCreated">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of oplog query processes created. MongoDB will
create a new oplog query any time an error occurs in the
connection, including a timeout, or a network
operation. Furthermore,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.metrics.repl.network.readersCreated" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.network.readersCreated
</code>
</span>
</a>
will
increment every time MongoDB selects a new source for replication.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.network.replSetUpdatePosition
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.network.replSetUpdatePosition" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.network.replSetUpdatePosition">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports the number of
<code class="leafygreen-ui-1l06pbn">
replSetUpdatePosition
</code>
commands a node sent to its sync source.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.network.replSetUpdatePosition.num
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.network.replSetUpdatePosition.num" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.network.replSetUpdatePosition.num">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of
<code class="leafygreen-ui-1l06pbn">
replSetUpdatePosition
</code>
commands a node sent
to its sync source.
<code class="leafygreen-ui-1l06pbn">
replSetUpdatePosition
</code>
commands are internal
replication commands that communicate replication progress from
nodes to their sync sources.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Replica set members in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-states/#mongodb-replstate-replstate.STARTUP2">
<code class="leafygreen-ui-1l06pbn">
STARTUP2
</code>
</a>
state do not send
the
<code class="leafygreen-ui-1l06pbn">
replSetUpdatePosition
</code>
command to their sync source.
</p>
</div>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.reconfig
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.reconfig" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.reconfig">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document containing the number of times that member
<code class="leafygreen-ui-1l06pbn">
newlyAdded
</code>
fields were automatically removed by the primary. When a member is
first added to the replica set, the member's
<code class="leafygreen-ui-1l06pbn">
newlyAdded
</code>
field is
set to
<code class="leafygreen-ui-1l06pbn">
true
</code>
.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.reconfig.numAutoReconfigsForRemovalOfNewlyAddedFields
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.reconfig.numAutoReconfigsForRemovalOfNewlyAddedFields" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.reconfig.numAutoReconfigsForRemovalOfNewlyAddedFields">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of times that
<code class="leafygreen-ui-1l06pbn">
newlyAdded
</code>
member fields were
automatically removed by the primary. When a member is first added to
the replica set, the member's
<code class="leafygreen-ui-1l06pbn">
newlyAdded
</code>
field is set to
<code class="leafygreen-ui-1l06pbn">
true
</code>
. After the primary receives the member's heartbeat response
indicating the member state is
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-states/#mongodb-replstate-replstate.SECONDARY">
<code class="leafygreen-ui-1l06pbn">
SECONDARY
</code>
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-states/#mongodb-replstate-replstate.RECOVERING">
<code class="leafygreen-ui-1l06pbn">
RECOVERING
</code>
</a>
, or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-states/#mongodb-replstate-replstate.ROLLBACK">
<code class="leafygreen-ui-1l06pbn">
ROLLBACK
</code>
</a>
, the primary
automatically removes the member's
<code class="leafygreen-ui-1l06pbn">
newlyAdded
</code>
field. The
<code class="leafygreen-ui-1l06pbn">
newlyAdded
</code>
fields are stored in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/local-database/#mongodb-data-local.system.replset">
<code class="leafygreen-ui-1l06pbn">
local.system.replset
</code>
</a>
collection.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.stateTransition
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.stateTransition" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.stateTransition">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Information on user operations when the member undergoes one of the
following transitions that can stop user operations:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The member steps up to become a primary.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The member steps down to become a secondary.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The member is actively performing a rollback.
</p>
</li>
</ul>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.stateTransition.lastStateTransition
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.stateTransition.lastStateTransition" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.stateTransition.lastStateTransition">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The transition being reported:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:80%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
State Change
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
"stepUp"
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The member steps up to become a primary.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
"stepDown"
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The member steps down to become a secondary.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
"rollback"
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The member is actively performing a rollback.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
""
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The member has not undergone any state changes.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.stateTransition.totalOperationsKilled
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.stateTransition.totalOperationsKilled" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.stateTransition.totalOperationsKilled">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of operations stopped during the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance's state change.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
7.3
</em>
:
<code class="leafygreen-ui-1l06pbn">
totalOperationsKilled
</code>
replaces
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.stateTransition.userOperationsKilled">
<code class="leafygreen-ui-1l06pbn">
userOperationsKilled
</code>
</a>
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.stateTransition.totalOperationsRunning
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.stateTransition.totalOperationsRunning" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.stateTransition.totalOperationsRunning">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of operations that remained running during the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance's state change.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
7.3
</em>
:
<code class="leafygreen-ui-1l06pbn">
totalOperationsRunning
</code>
replaces
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.stateTransition.userOperationsRunning">
<code class="leafygreen-ui-1l06pbn">
userOperationsRunning
</code>
</a>
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.stateTransition.userOperationsKilled
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.stateTransition.userOperationsKilled" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.stateTransition.userOperationsKilled">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
Deprecated
<!-- -->
since version
<!-- -->
7.3
</em>
:
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.stateTransition.totalOperationsKilled">
<code class="leafygreen-ui-1l06pbn">
totalOperationsKilled
</code>
</a>
replaces
<code class="leafygreen-ui-1l06pbn">
userOperationsKilled
</code>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.stateTransition.userOperationsRunning
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.stateTransition.userOperationsRunning" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.stateTransition.userOperationsRunning">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
Deprecated
<!-- -->
since version
<!-- -->
7.3
</em>
:
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.stateTransition.totalOperationsRunning">
<code class="leafygreen-ui-1l06pbn">
totalOperationsRunning
</code>
</a>
replaces
<code class="leafygreen-ui-1l06pbn">
userOperationsRunning
</code>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.syncSource
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.syncSource" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.syncSource">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Information on a replica set node's
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/replica-set-sync/#std-label-replica-set-sync">
sync source selection
</a>
process.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.syncSource.numSelections
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.syncSource.numSelections" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.syncSource.numSelections">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of times a node attempted to choose a node to sync from among
the available sync source options. A node attempts to choose a node
to sync from if, for example, the sync source is re-evaluated or the
node receives an error from its current sync source.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.syncSource.numTimesChoseSame
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.syncSource.numTimesChoseSame" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.syncSource.numTimesChoseSame">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of times a node kept its original sync source after
re-evaluating if its current sync source was optimal.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.syncSource.numTimesChoseDifferent
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.syncSource.numTimesChoseDifferent" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.syncSource.numTimesChoseDifferent">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of times a node chose a new sync source after re-evaluating if
its current sync source was optimal.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.syncSource.numTimesCouldNotFind
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.syncSource.numTimesCouldNotFind" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.syncSource.numTimesCouldNotFind">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of times a node could not find an available sync source when
attempting to choose a node to sync from.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.waiters.replication
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.waiters.replication" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.waiters.replication">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of threads waiting for replicated or journaled
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#std-label-wc-ack-behavior">
write concern
acknowledgments
<!-- -->
.
</a>
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
7.3
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.repl.waiters.opTime
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.repl.waiters.opTime" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.repl.waiters.opTime">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of threads queued for local replication
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-optime">
optime
</a>
assignments.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
7.3
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.storage.freelist.search.bucketExhausted
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.storage.freelist.search.bucketExhausted" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.storage.freelist.search.bucketExhausted">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of times that
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
has examined the free
list without finding a large record allocation.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.storage.freelist.search.requests
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.storage.freelist.search.requests" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.storage.freelist.search.requests">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of times
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
has searched for available
record allocations.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.storage.freelist.search.scanned
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.storage.freelist.search.scanned" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.storage.freelist.search.scanned">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of available record allocations
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
has
searched.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.ttl
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.ttl" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.ttl">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports on the operation of the resource use of the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/expire-data/#std-label-ttl-collections">
ttl index
</a>
process.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.ttl.deletedDocuments
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.ttl.deletedDocuments" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.ttl.deletedDocuments">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of documents deleted from collections with a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/expire-data/#std-label-ttl-collections">
ttl index
<!-- -->
.
</a>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.ttl.passes
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.ttl.passes" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.ttl.passes">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of passes performed by the TTL background process to check for
expired documents. A pass is complete when the TTL monitor has
deleted as many candidate documents as it can find from all TTL
indexes. For more information on the TTL index deletion process, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/index-ttl/#std-label-ttl-monitor-deletion-process">
Deletion Process
<!-- -->
.
</a>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.ttl.subPasses
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.ttl.subPasses" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.ttl.subPasses">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of sub-passes performed by the TTL background process to check
for expired documents. For more information on the TTL index deletion
process, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/index-ttl/#std-label-ttl-monitor-deletion-process">
Deletion Process
<!-- -->
.
</a>
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-metrics-cursor">
</span>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.cursor
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.cursor" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.cursor">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that contains data regarding cursor state and use.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.cursor.moreThanOneBatch
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.cursor.moreThanOneBatch" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.cursor.moreThanOneBatch">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of cursors that have returned more than one batch
since the server process started. Additional batches are retrieved
using the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/getMore/#mongodb-dbcommand-dbcmd.getMore">
<code class="leafygreen-ui-1l06pbn">
getMore
</code>
</a>
command.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.cursor.timedOut
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.cursor.timedOut" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.cursor.timedOut">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of cursors that have timed out since the server
process started. If this number is large or growing at a regular
rate, this may indicate an application error.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.cursor.totalOpened
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.cursor.totalOpened" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.cursor.totalOpened">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of cursors that have been opened since the server
process started, including cursors currently open. Differs from
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.metrics.cursor.open.total" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
metrics.cursor.open.total
</code>
</span>
</a>
, which is the number of
currently open cursors only.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-metrics-cursor-lifespan">
</span>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.cursor.lifespan
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.cursor.lifespan" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.cursor.lifespan">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports the number of cursors that have lifespans
within specified time periods. The cursor lifespan is the time period
from when the cursor is created to when the cursor is killed using
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/killCursors/#mongodb-dbcommand-dbcmd.killCursors">
<code class="leafygreen-ui-1l06pbn">
killCursors
</code>
</a>
command or the cursor has no remaining
objects in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/iterate-a-cursor/#std-label-cursor-batches">
batch
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
The lifespan time periods are:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
< 1 second
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
>= 1 second to < 5 seconds
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
>= 5 seconds to < 15 seconds
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
>= 15 seconds to < 30 seconds
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
>= 30 seconds to < 1 minute
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
>= 1 minute to < 10 minutes
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
>= 10 minutes
</p>
</li>
</ul>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.cursor.lifespan.greaterThanOrEqual10Minutes
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.cursor.lifespan.greaterThanOrEqual10Minutes" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.cursor.lifespan.greaterThanOrEqual10Minutes">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of cursors with a lifespan >= 10 minutes.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.cursor.lifespan.lessThan10Minutes
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.cursor.lifespan.lessThan10Minutes" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.cursor.lifespan.lessThan10Minutes">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of cursors with a lifespan >= 1 minute to < 10 minutes.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.cursor.lifespan.lessThan15Seconds
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.cursor.lifespan.lessThan15Seconds" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.cursor.lifespan.lessThan15Seconds">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of cursors with a lifespan >= 5 seconds to < 15 seconds.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.cursor.lifespan.lessThan1Minute
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.cursor.lifespan.lessThan1Minute" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.cursor.lifespan.lessThan1Minute">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of cursors with a lifespan >= 30 seconds to < 1 minute.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.cursor.lifespan.lessThan1Second
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.cursor.lifespan.lessThan1Second" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.cursor.lifespan.lessThan1Second">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of cursors with a lifespan < 1 second.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.cursor.lifespan.lessThan30Seconds
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.cursor.lifespan.lessThan30Seconds" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.cursor.lifespan.lessThan30Seconds">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of cursors with a lifespan >= 15 seconds to < 30 seconds.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.cursor.lifespan.lessThan5Seconds
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.cursor.lifespan.lessThan5Seconds" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.cursor.lifespan.lessThan5Seconds">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of cursors with a lifespan >= 1 second to < 5 seconds.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.cursor.open
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.cursor.open" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.cursor.open">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that contains data regarding open cursors.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.cursor.open.noTimeout
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.cursor.open.noTimeout" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.cursor.open.noTimeout">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of open cursors with the option
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/cursor.addOption/#mongodb-data-DBQuery.Option.noTimeout">
<code class="leafygreen-ui-1l06pbn">
DBQuery.Option.noTimeout
</code>
</a>
set to prevent timeout after a
period of inactivity.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.cursor.open.pinned
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.cursor.open.pinned" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.cursor.open.pinned">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of "pinned" open cursors.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.cursor.open.total
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.cursor.open.total" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.cursor.open.total">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of cursors that MongoDB is maintaining for clients.
Because MongoDB exhausts unused cursors, typically this value small
or zero. However, if there is a queue, or stale tailable cursors, or
a large number of operations this value may increase.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.cursor.open.singleTarget
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.cursor.open.singleTarget" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.cursor.open.singleTarget">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of cursors that only target a
<em>
single
</em>
shard. Only
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instances report
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.metrics.cursor.open.singleTarget" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
metrics.cursor.open.singleTarget
</code>
</span>
</a>
values.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
metrics.cursor.open.multiTarget
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.metrics.cursor.open.multiTarget" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.metrics.cursor.open.multiTarget">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of cursors that only target
<em>
more than one
</em>
shard.
Only
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instances report
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.metrics.cursor.open.multiTarget" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
metrics.cursor.open.multiTarget
</code>
</span>
</a>
values.
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-mirroredReads">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
mirroredReads
<a class="headerlink leafygreen-ui-1kepx47" href="#mirroredreads" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mirroredreads">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
<em>
Available on mongod only.
</em>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"\"mirroredReads\" : {\n \"seen\" : <num>,\n \"sent\" : <num>\n},","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string">"mirroredReads"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"seen"</span> <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"sent"</span> <!-- -->: <<!-- -->num<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
mirroredReads
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.mirroredReads" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.mirroredReads">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<em>
Available on mongod only.
</em>
</p>
<p class="leafygreen-ui-1kp3ins">
A document that reports on
<a class="leafygreen-ui-tqgtui" href="/docs/manual/replication/#std-label-mirrored-reads">
mirrored reads
</a>
.
To return
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.mirroredReads" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mirroredReads
</code>
</span>
</a>
information, you must
explicitly specify the inclusion:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.runCommand( { serverStatus: 1, mirroredReads: 1 } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>( <!-- -->{ <span class="lg-highlight-attr">serverStatus</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">mirroredReads</span>: <span class="lg-highlight-number">1</span> } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
mirroredReads.processedAsSecondary
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.mirroredReads.processedAsSecondary" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.mirroredReads.processedAsSecondary">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.2
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
The number of mirrored reads processed by this member while a secondary.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.mirrorReads">
<code class="leafygreen-ui-1l06pbn">
mirrorReads
</code>
</a>
Parameter
</p>
</div>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
mirroredReads.seen
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.mirroredReads.seen" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.mirroredReads.seen">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/replication/#std-label-mirrored-reads-supported-operations">
operations that support mirroring
</a>
received by this member.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.mirrorReads">
<code class="leafygreen-ui-1l06pbn">
mirrorReads
</code>
</a>
Parameter
</p>
</div>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
mirroredReads.sent
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.mirroredReads.sent" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.mirroredReads.sent">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of mirrored reads sent by this member when primary.
For example, if a read is mirrored and sent to two secondaries,
the number of mirrored reads is
<code class="leafygreen-ui-1l06pbn">
2
</code>
.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.mirrorReads">
<code class="leafygreen-ui-1l06pbn">
mirrorReads
</code>
</a>
Parameter
</p>
</div>
</div>
</dd>
</dl>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-network">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
network
<a class="headerlink leafygreen-ui-1kepx47" href="#network" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="network">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"network : {\n bytesIn : Long(\"<num>\"),\n bytesOut : Long(\"<num>\"),\n physicalBytesIn : Long(\"<num>\"),\n physicalBytesOut : Long(\"<num>\"),\n numSlowDNSOperations : Long(\"<num>\"),\n numSlowSSLOperations : Long(\"<num>\"),\n numRequests : Long(\"<num>\"),\n tcpFastOpen : {\n kernelSetting : Long(\"<num>\"),\n serverSupported : <bool>,\n clientSupported : <bool>,\n accepted : Long(\"<num>\")\n },\n compression : {\n snappy : {\n compressor : { bytesIn : Long(\"<num>\"), bytesOut : Long(\"<num>\") },\n decompressor : { bytesIn : Long(\"<num>\"), bytesOut : Long(\"<num>\") }\n },\n zstd : {\n compressor : { bytesIn : Long(\"<num>\"), bytesOut : Long(\"<num>\") },\n decompressor : { bytesIn : Long(\"<num>\"), bytesOut : Long(\"<num>\") }\n },\n zlib : {\n compressor : { bytesIn : Long(\"<num>\"), bytesOut : Long(\"<num>\") },\n decompressor : { bytesIn : Long(\"<num>\"), bytesOut : Long(\"<num>\") }\n }\n },\n serviceExecutors : {\n passthrough : {\n threadsRunning : <num>,\n clientsInTotal : <num>,\n clientsRunning : <num>,\n clientsWaitingForData : <num>\n },\n fixed : {\n threadsRunning : <num>,\n clientsInTotal : <num>,\n clientsRunning : <num>,\n clientsWaitingForData : <num>\n }\n },\n listenerProcessingTime : { durationMicros : <num> } // Added in MongoDB 6.3\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">network <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->bytesIn <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->bytesOut <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->physicalBytesIn <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->physicalBytesOut <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->numSlowDNSOperations <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->numSlowSSLOperations <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->numRequests <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->tcpFastOpen <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->kernelSetting <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->serverSupported <!-- -->: <<!-- -->bool<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->clientSupported <!-- -->: <<!-- -->bool<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->accepted <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->compression <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->snappy <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->compressor <!-- -->: <!-- -->{ <!-- -->bytesIn <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->, <!-- -->bytesOut <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>) }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->decompressor <!-- -->: <!-- -->{ <!-- -->bytesIn <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->, <!-- -->bytesOut <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>) }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->zstd <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->compressor <!-- -->: <!-- -->{ <!-- -->bytesIn <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->, <!-- -->bytesOut <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>) }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->decompressor <!-- -->: <!-- -->{ <!-- -->bytesIn <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->, <!-- -->bytesOut <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>) }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->zlib <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->compressor <!-- -->: <!-- -->{ <!-- -->bytesIn <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->, <!-- -->bytesOut <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>) }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->decompressor <!-- -->: <!-- -->{ <!-- -->bytesIn <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->, <!-- -->bytesOut <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>) }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->serviceExecutors <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->passthrough <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->threadsRunning <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->clientsInTotal <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->clientsRunning <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->clientsWaitingForData <!-- -->: <<!-- -->num<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->fixed <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->threadsRunning <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->clientsInTotal <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->clientsRunning <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->clientsWaitingForData <!-- -->: <<!-- -->num<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->listenerProcessingTime <!-- -->: <!-- -->{ <!-- -->durationMicros <!-- -->: <<!-- -->num<!-- -->> <!-- -->} <span class="lg-highlight-comment">// Added in MongoDB 6.3</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
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</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
network
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.network" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.network">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports data on MongoDB's network use. These
statistics measure
<em>
ingress connections
</em>
only, specifically the
traffic seen by the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
over network connections initiated by clients or other
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instances. Traffic
from network connections initiated by this
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance (specifically,
<em>
egress connections
</em>
)
is
<em>
not
</em>
measured in these statistics.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
network.bytesIn
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.network.bytesIn" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.network.bytesIn">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of logical bytes that the server has
<em>
received
</em>
over
network connections initiated by clients or other
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
or
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
instances. Logical bytes are the exact number of bytes
that a given file contains.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
network.bytesOut
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.network.bytesOut" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.network.bytesOut">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of logical bytes that the server has
<em>
sent
</em>
over
network connections initiated by clients or other
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
or
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
instances. Logical bytes correspond to the number of
bytes that a given file contains.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
network.physicalBytesIn
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.network.physicalBytesIn" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.network.physicalBytesIn">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of physical bytes that the server has
<em>
received
</em>
over network connections initiated by clients or other
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
or
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
instances. Physical bytes are the number of bytes that
actually reside on disk.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
network.physicalBytesOut
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.network.physicalBytesOut" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.network.physicalBytesOut">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of physical bytes that the server has
<em>
sent
</em>
over
network connections initiated by clients or other
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
or
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
instances. Physical bytes are the number of bytes that
actually reside on disk.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
network.numSlowDNSOperations
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.network.numSlowDNSOperations" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.network.numSlowDNSOperations">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of DNS resolution operations which took longer than
1 second.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
network.numSlowSSLOperations
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.network.numSlowSSLOperations" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.network.numSlowSSLOperations">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of SSL handshake operations which took longer than
1 second.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
network.numRequests
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.network.numRequests" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.network.numRequests">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of distinct requests that the server has received.
Use this value to provide context for the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.network.bytesIn" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
network.bytesIn
</code>
</span>
</a>
and
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.network.bytesOut" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
network.bytesOut
</code>
</span>
</a>
values to ensure that MongoDB's network utilization is consistent
with expectations and application use.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
network.tcpFastOpen
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.network.tcpFastOpen" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.network.tcpFastOpen">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports data on MongoDB's support and use of
TCP Fast Open (TFO) connections.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
network.tcpFastOpen.kernelSetting
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.network.tcpFastOpen.kernelSetting" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.network.tcpFastOpen.kernelSetting">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<em>
Linux only
</em>
</p>
<p class="leafygreen-ui-1kp3ins">
Returns the value of
<code class="leafygreen-ui-1l06pbn">
/proc/sys/net/ipv4/tcp_fastopen
</code>
:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
0
</code>
- TCP Fast Open is disabled on the system.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
1
</code>
- TCP Fast Open is enabled for outgoing connections.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
2
</code>
- TCP Fast Open is enabled for incoming connections.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
3
</code>
- TCP Fast Open is enabled for incoming and outgoing
connections.
</p>
</li>
</ul>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
network.tcpFastOpen.serverSupported
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.network.tcpFastOpen.serverSupported" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.network.tcpFastOpen.serverSupported">
</div>
</a>
</dt>
<dd>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Returns
<code class="leafygreen-ui-1l06pbn">
true
</code>
if the host operating system supports inbound
TCP Fast Open (TFO) connections.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Returns
<code class="leafygreen-ui-1l06pbn">
false
</code>
if the host operating system does
<em>
not
</em>
support
inbound TCP Fast Open (TFO) connections.
</p>
</li>
</ul>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
network.tcpFastOpen.clientSupported
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.network.tcpFastOpen.clientSupported" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.network.tcpFastOpen.clientSupported">
</div>
</a>
</dt>
<dd>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Returns
<code class="leafygreen-ui-1l06pbn">
true
</code>
if the host operating system supports outbound
TCP Fast Open (TFO) connections.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Returns
<code class="leafygreen-ui-1l06pbn">
false
</code>
if the host operating system does
<em>
not
</em>
support
outbound TCP Fast Open (TFO) connections.
</p>
</li>
</ul>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
network.tcpFastOpen.accepted
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.network.tcpFastOpen.accepted" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.network.tcpFastOpen.accepted">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of accepted incoming TCP Fast Open (TFO) connections
to the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
since the
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
or
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
last started.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
network.compression
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.network.compression" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.network.compression">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports on the amount of data compressed and decompressed by
each network compressor library.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
network.compression.snappy
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.network.compression.snappy" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.network.compression.snappy">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that returns statistics on the number of bytes that have been
compressed and decompressed with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-snappy">
snappy
</a>
library.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
network.compression.zstd
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.network.compression.zstd" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.network.compression.zstd">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that returns statistics on the number of bytes that have been
compressed and decompressed with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-zstd">
zstd
</a>
library.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
network.compression.zlib
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.network.compression.zlib" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.network.compression.zlib">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that returns statistics on the number of bytes that have been
compressed and decompressed with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-zlib">
zlib
</a>
library.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
network.serviceExecutors
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.network.serviceExecutors" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.network.serviceExecutors">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
A document that reports data on the service executors, which run
operations for client requests.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
network.serviceExecutors.passthrough
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.network.serviceExecutors.passthrough" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.network.serviceExecutors.passthrough">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
A document that reports data about the threads and clients for the
<code class="leafygreen-ui-1l06pbn">
passthrough
</code>
service executor. The
<code class="leafygreen-ui-1l06pbn">
passthrough
</code>
service
executor creates a new thread for each client and destroys the thread
after the client ends.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
network.serviceExecutors.passthrough.threadsRunning
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.network.serviceExecutors.passthrough.threadsRunning" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.network.serviceExecutors.passthrough.threadsRunning">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
Number of threads running in the
<code class="leafygreen-ui-1l06pbn">
passthrough
</code>
service executor.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
network.serviceExecutors.passthrough.clientsInTotal
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.network.serviceExecutors.passthrough.clientsInTotal" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.network.serviceExecutors.passthrough.clientsInTotal">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
Total number of clients allocated to the
<code class="leafygreen-ui-1l06pbn">
passthrough
</code>
service
executor. A client can be allocated to the
<code class="leafygreen-ui-1l06pbn">
passthrough
</code>
service
executor and not currently running requests.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
network.serviceExecutors.passthrough.clientsRunning
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.network.serviceExecutors.passthrough.clientsRunning" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.network.serviceExecutors.passthrough.clientsRunning">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
Number of clients currently using the
<code class="leafygreen-ui-1l06pbn">
passthrough
</code>
service
executor to run requests.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
network.serviceExecutors.passthrough.clientsWaitingForData
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.network.serviceExecutors.passthrough.clientsWaitingForData" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.network.serviceExecutors.passthrough.clientsWaitingForData">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
Number of clients using the
<code class="leafygreen-ui-1l06pbn">
passthrough
</code>
service executor that are
waiting for incoming data from the network.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
network.serviceExecutors.fixed
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.network.serviceExecutors.fixed" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.network.serviceExecutors.fixed">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
A document that reports data about the threads and clients for the
<code class="leafygreen-ui-1l06pbn">
fixed
</code>
service executor. The
<code class="leafygreen-ui-1l06pbn">
fixed
</code>
service executor has a
fixed number of threads. A thread is temporarily assigned to a client
and the thread is preserved after the client ends.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
network.serviceExecutors.fixed.threadsRunning
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.network.serviceExecutors.fixed.threadsRunning" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.network.serviceExecutors.fixed.threadsRunning">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
Number of threads running in the
<code class="leafygreen-ui-1l06pbn">
fixed
</code>
service executor.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
network.serviceExecutors.fixed.clientsInTotal
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.network.serviceExecutors.fixed.clientsInTotal" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.network.serviceExecutors.fixed.clientsInTotal">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
Total number of clients allocated to the
<code class="leafygreen-ui-1l06pbn">
fixed
</code>
service executor.
A client can be allocated to the
<code class="leafygreen-ui-1l06pbn">
fixed
</code>
service executor and not
currently running requests.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
network.serviceExecutors.fixed.clientsRunning
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.network.serviceExecutors.fixed.clientsRunning" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.network.serviceExecutors.fixed.clientsRunning">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
Number of clients currently using the
<code class="leafygreen-ui-1l06pbn">
fixed
</code>
service executor to
run requests.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
network.serviceExecutors.fixed.clientsWaitingForData
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.network.serviceExecutors.fixed.clientsWaitingForData" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.network.serviceExecutors.fixed.clientsWaitingForData">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
Number of clients using the
<code class="leafygreen-ui-1l06pbn">
fixed
</code>
service executor that are
waiting for incoming data from the network.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
network.listenerProcessingTime
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.network.listenerProcessingTime" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.network.listenerProcessingTime">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.3
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
A document that reports the total time the database listener spends
allocating incoming database connection requests to dedicated
threads.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
network.listenerProcessingTime.durationMicros
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.network.listenerProcessingTime.durationMicros" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.network.listenerProcessingTime.durationMicros">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.3
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
Total time in microseconds the database listener spends allocating
incoming database connection requests to dedicated threads that
perform database operations.
</p>
</dd>
</dl>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
opLatencies
<a class="headerlink leafygreen-ui-1kepx47" href="#oplatencies" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="oplatencies">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"opLatencies : {\n reads : <document>,\n writes : <document>,\n commands : <document>,\n transactions : <document>\n},","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">opLatencies <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->reads <!-- -->: <<span class="lg-highlight-variable lg-highlight-language">document</span>><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->writes <!-- -->: <<span class="lg-highlight-variable lg-highlight-language">document</span>><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->commands <!-- -->: <<span class="lg-highlight-variable lg-highlight-language">document</span>><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->transactions <!-- -->: <<span class="lg-highlight-variable lg-highlight-language">document</span>></td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
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</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
opLatencies
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.opLatencies" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.opLatencies">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document containing operation latencies for the instance as a whole.
See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/collStats/#std-label-latency-stats-document">
<code class="leafygreen-ui-1l06pbn">
latencyStats
</code>
Document
</a>
for a description of this document.
</p>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 6.2, the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.opLatencies" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
opLatencies
</code>
</span>
</a>
metric
reports for both
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instances. Latencies reported by
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
include operation latency
time and communication time between the
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
and
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
instances.
</p>
<p class="leafygreen-ui-1kp3ins">
To include the histogram in the
<code class="leafygreen-ui-1l06pbn">
opLatencies
</code>
output, run the following
command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.runCommand( { serverStatus: 1, opLatencies: { histograms: true } } ).opLatencies","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>( <!-- -->{ <span class="lg-highlight-attr">serverStatus</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">opLatencies</span>: <!-- -->{ <span class="lg-highlight-attr">histograms</span>: <span class="lg-highlight-literal">true</span> } } ).<span class="lg-highlight-property">opLatencies</span></td></tr></tbody></table></code></pre>
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</div>
</div>
</div>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
opLatencies.reads
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.opLatencies.reads" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.opLatencies.reads">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Latency statistics for read requests.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
opLatencies.writes
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.opLatencies.writes" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.opLatencies.writes">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Latency statistics for write operations.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
opLatencies.commands
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.opLatencies.commands" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.opLatencies.commands">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Latency statistics for database commands.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
opLatencies.transactions
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.opLatencies.transactions" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.opLatencies.transactions">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Latency statistics for database transactions.
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-opWorkingTime">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
opWorkingTime
<a class="headerlink leafygreen-ui-1kepx47" href="#opworkingtime" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="opworkingtime">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"opWorkingTime : {\n commands : <document>,\n reads : <document>,\n writes : <document>,\n transactions : <document>\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">opWorkingTime <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->commands <!-- -->: <<span class="lg-highlight-variable lg-highlight-language">document</span>><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->reads <!-- -->: <<span class="lg-highlight-variable lg-highlight-language">document</span>><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->writes <!-- -->: <<span class="lg-highlight-variable lg-highlight-language">document</span>><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->transactions <!-- -->: <<span class="lg-highlight-variable lg-highlight-language">document</span>></td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
opWorkingTime
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.opWorkingTime" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.opWorkingTime">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Document that includes information on operation execution for the instance.
See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/collStats/#std-label-latency-stats-document">
<code class="leafygreen-ui-1l06pbn">
latencyStats
</code>
Document
</a>
for a description of this document.
</p>
<p class="leafygreen-ui-1kp3ins">
The fields under
<code class="leafygreen-ui-1l06pbn">
opWorkingTime
</code>
are measured in
<code class="leafygreen-ui-1l06pbn">
workingMillis
</code>
, which
is the amount of time that MongoDB spends working on that operation. This
means that factors such as waiting for locks and flow control don't affect
<code class="leafygreen-ui-1l06pbn">
opWorkingTime
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
To include the histogram in the
<code class="leafygreen-ui-1l06pbn">
opWorkingTime
</code>
output, run the following
command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.runCommand( { serverStatus: 1, opWorkingTime: { histogram: true } } ).opWorkingTime","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>( <!-- -->{ <span class="lg-highlight-attr">serverStatus</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">opWorkingTime</span>: <!-- -->{ <span class="lg-highlight-attr">histogram</span>: <span class="lg-highlight-literal">true</span> } } ).<span class="lg-highlight-property">opWorkingTime</span></td></tr></tbody></table></code></pre>
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
opWorkingTime.commands
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.opWorkingTime.commands" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.opWorkingTime.commands">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Document that reports execution statistics for database commands.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
opWorkingTime.reads
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.opWorkingTime.reads" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.opWorkingTime.reads">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Document that reports execution statistics for read operations.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
opWorkingTime.writes
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.opWorkingTime.writes" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.opWorkingTime.writes">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Document that reports execution statistics for write operations.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
opWorkingTime.transactions
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.opWorkingTime.transactions" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.opWorkingTime.transactions">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Document that reports execution statistics for transactions.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-opReadConcernCounters">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
opReadConcernCounters
<a class="headerlink leafygreen-ui-1kepx47" href="#opreadconcerncounters" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="opreadconcerncounters">
</div>
</a>
</h3>
<div class="leafygreen-ui-1sjx7ru" role="note">
<h2 class="leafygreen-ui-29m78u">
Warning
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
Removed
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Starting in version 5.0,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.opReadConcernCounters" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
opReadConcernCounters
</code>
</span>
</a>
is
replaced by
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.readConcernCounters" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
readConcernCounters
</code>
.
</span>
</a>
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
<em>
Only for mongod instances
</em>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"opReadConcernCounters : {\n available : Long(\"<num>\"),\n linearizable : Long(\"<num>\"),\n local : Long(\"<num>\"),\n majority : Long(\"<num>\"),\n snapshot : Long(\"<num>\"),\n none : Long(\"<num>\")\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">opReadConcernCounters <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->available <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->linearizable <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->local <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->majority <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->snapshot <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->none <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
opReadConcernCounters
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.opReadConcernCounters" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.opReadConcernCounters">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<em>
Removed in version 5.0
</em>
. Replaced by
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.readConcernCounters" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
readConcernCounters
</code>
.
</span>
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
A document that reports on the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern/#std-label-read-concern-levels">
read concern level
</a>
specified by query operations to the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance since it last started.
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:80%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Specified
<code class="leafygreen-ui-1l06pbn">
w
</code>
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
"available"
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Number of query operations that specified read concern level
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern-available/#mongodb-readconcern-readconcern.-available-">
<code class="leafygreen-ui-1l06pbn">
"available"
</code>
.
</a>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
"linearizable"
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Number of query operations that specified read concern level
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern-linearizable/#mongodb-readconcern-readconcern.-linearizable-">
<code class="leafygreen-ui-1l06pbn">
"linearizable"
</code>
.
</a>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
"local"
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Number of query operations that specified read
concern level
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern-local/#mongodb-readconcern-readconcern.-local-">
<code class="leafygreen-ui-1l06pbn">
"local"
</code>
.
</a>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
"majority"
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Number of query operations that specified read
concern level
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern-majority/#mongodb-readconcern-readconcern.-majority-">
<code class="leafygreen-ui-1l06pbn">
"majority"
</code>
.
</a>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
"snapshot"
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Number of query operations that specified read
concern level
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern-snapshot/#mongodb-readconcern-readconcern.-snapshot-">
<code class="leafygreen-ui-1l06pbn">
"snapshot"
</code>
.
</a>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
"none"
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Number of query operations that did not specify a read
concern level and instead used the default
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern/#std-label-read-concern-levels">
read concern level
<!-- -->
.
</a>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<p class="leafygreen-ui-1kp3ins">
The sum of the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.opReadConcernCounters" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
opReadConcernCounters
</code>
</span>
</a>
equals
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.opcounters.query" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
opcounters.query
</code>
.
</span>
</a>
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-opWriteConcernCounters">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
opWriteConcernCounters
<a class="headerlink leafygreen-ui-1kepx47" href="#opwriteconcerncounters" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="opwriteconcerncounters">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
<em>
Only for mongod instances
</em>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"opWriteConcernCounters : {\n insert : {\n wmajority : Long(\"<num>\"),\n wnum : {\n <num> : Long(\"<num>\"),\n ...\n },\n wtag : {\n <tag1> : Long(\"<num>\"),\n ...\n },\n none : Long(\"<num>\"),\n noneInfo : {\n CWWC : {\n wmajority : Long(\"<num>\"),\n wnum : {\n <num> : Long(\"<num>\"),\n ...\n },\n wtag : {\n <tag1> : Long(\"<num>\"),\n ...\n }\n },\n implicitDefault : {\n wmajority : Long(\"<num>\")\n wnum : {\n <num> : Long(\"<num>\"),\n ...\n }\n }\n }\n },\n update : {\n wmajority : Long(\"<num>\"),\n wnum : {\n <num> : Long(\"<num>\"),\n ...\n },\n wtag : {\n <tag1> : Long(\"<num>\"),\n ...\n },\n none : Long(\"<num>\"),\n noneInfo : {\n CWWC : {\n wmajority : Long(\"<num>\"),\n wnum : {\n <num> : Long(\"<num>\"),\n ...\n }\n wtag : {\n <tag1> : Long(\"<num>\"),\n ...\n }\n },\n implicitDefault : {\n wmajority : Long(\"<num>\")\n wnum : {\n <num> : Long(\"<num>\"),\n ...\n }\n }\n }\n },\n delete : {\n wmajority : Long(\"<num>\")\n wnum : {\n <num> : Long(\"<num>\"),\n ...\n },\n wtag : {\n <tag1> : Long(\"<num>\"),\n ...\n },\n none : Long(\"<num>\"),\n noneInfo : {\n CWWC : {\n wmajority : Long(\"<num>\"),\n wnum : {\n <num> : Long(\"<num>\"),\n ...\n },\n wtag : {\n <tag1> : Long(\"<num>\"),\n ...\n }\n },\n implicitDefault : {\n wmajority : Long(\"<num>\")\n wnum : {\n <num> : Long(\"<num>\"),\n ...\n }\n }\n }\n }\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">opWriteConcernCounters <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->insert <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wmajority <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wnum <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <<!-- -->num<!-- -->> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wtag <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <<!-- -->tag1<!-- -->> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->none <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->noneInfo <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-variable lg-highlight-constant">CWWC</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wmajority <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wnum <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <<!-- -->num<!-- -->> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wtag <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <<!-- -->tag1<!-- -->> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->implicitDefault <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wmajority <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> wnum <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <<!-- -->num<!-- -->> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->update <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wmajority <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wnum <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <<!-- -->num<!-- -->> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wtag <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <<!-- -->tag1<!-- -->> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->none <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->noneInfo <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-variable lg-highlight-constant">CWWC</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wmajority <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wnum <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <<!-- -->num<!-- -->> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> wtag <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <<!-- -->tag1<!-- -->> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->implicitDefault <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wmajority <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> wnum <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <<!-- -->num<!-- -->> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">delete</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wmajority <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> wnum <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <<!-- -->num<!-- -->> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wtag <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <<!-- -->tag1<!-- -->> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->none <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->noneInfo <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-variable lg-highlight-constant">CWWC</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wmajority <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wnum <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <<!-- -->num<!-- -->> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wtag <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <<!-- -->tag1<!-- -->> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->implicitDefault <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wmajority <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> wnum <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <<!-- -->num<!-- -->> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
opWriteConcernCounters
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.opWriteConcernCounters" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.opWriteConcernCounters">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports on the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/">
write concerns
</a>
specified by write operations to the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance since it last started.
</p>
<p class="leafygreen-ui-1kp3ins">
More specifically, the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.opWriteConcernCounters" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
opWriteConcernCounters
</code>
</span>
</a>
reports on the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#std-label-wc-w">
w: <value>
</a>
specified by the write
operations. The journal flag option (
<code class="leafygreen-ui-1l06pbn">
j
</code>
) and the timeout option
(
<code class="leafygreen-ui-1l06pbn">
wtimeout
</code>
) of the write concerns does not affect the count. The
count is incremented even if the operation times out.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Only available when
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.reportOpWriteConcernCountersInServerStatus">
<code class="leafygreen-ui-1l06pbn">
reportOpWriteConcernCountersInServerStatus
</code>
</a>
parameter is
set to
<code class="leafygreen-ui-1l06pbn">
true
</code>
(
<code class="leafygreen-ui-1l06pbn">
false
</code>
by default).
</p>
</div>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
opWriteConcernCounters.insert
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.opWriteConcernCounters.insert" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.opWriteConcernCounters.insert">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports on the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#std-label-wc-w">
w: <value>
</a>
specified
by insert operations to the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance since it
last started:
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Only available when
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.reportOpWriteConcernCountersInServerStatus">
<code class="leafygreen-ui-1l06pbn">
reportOpWriteConcernCountersInServerStatus
</code>
</a>
parameter is
set to
<code class="leafygreen-ui-1l06pbn">
true
</code>
(
<code class="leafygreen-ui-1l06pbn">
false
</code>
by default).
</p>
</div>
</div>
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<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">insert <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wmajority <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wnum <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <<!-- -->num<!-- -->> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wtag <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <<!-- -->tag1<!-- -->> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->none <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->noneInfo <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-variable lg-highlight-constant">CWWC</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wmajority <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wnum <!-- -->: <!-- -->{<!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wtag <!-- -->: <!-- -->{<!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->implicitDefault <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wmajority <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> wnum <!-- -->: <!-- -->{<!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr></tbody></table></code></pre>
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</button>
</div>
</div>
</div>
</div>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:80%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Specified
<code class="leafygreen-ui-1l06pbn">
w
</code>
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
"wmajority"
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Number of insert operations that specified
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#mongodb-writeconcern-writeconcern.-majority-">
<code class="leafygreen-ui-1l06pbn">
w: "majority"
</code>
.
</a>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
"wnum"
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Number of insert operations that specified
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#mongodb-writeconcern-writeconcern.-number-">
<code class="leafygreen-ui-1l06pbn">
w: <num>
</code>
</a>
. The counts are
grouped by the specific``<num>``.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
"wtag"
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Number of insert operations that specified
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#mongodb-writeconcern-writeconcern.-custom-write-concern-name-">
<code class="leafygreen-ui-1l06pbn">
w: <tag>
</code>
</a>
.
The counts are grouped by the specific
<code class="leafygreen-ui-1l06pbn">
<tag>
</code>
.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
"none"
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Number of insert operations that did not specify
<code class="leafygreen-ui-1l06pbn">
w
</code>
value.
These operations use the default
<code class="leafygreen-ui-1l06pbn">
w
</code>
value of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#std-label-wc-default-behavior">
"majority"
<!-- -->
.
</a>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
"noneInfo"
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Number of non-transaction query operations that use default write
concerns. The metrics track usage of the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/setDefaultRWConcern/#mongodb-dbcommand-dbcmd.setDefaultRWConcern">
<code class="leafygreen-ui-1l06pbn">
cluster wide write
concern
</code>
</a>
(the global default write concern) and
the implicit-default write concern.
</p>
<p class="leafygreen-ui-1kp3ins">
The sum of the values in
<code class="leafygreen-ui-1l06pbn">
opWriteConcernCounters.noneInfo
</code>
should
equal the value of
<code class="leafygreen-ui-1l06pbn">
opWriteConcernCounters.none
</code>
.
</p>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<p class="leafygreen-ui-1kp3ins">
The sum of the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.opWriteConcernCounters.insert" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
opWriteConcernCounters.insert
</code>
</span>
</a>
equals
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.opcounters.insert" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
opcounters.insert
</code>
.
</span>
</a>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
opWriteConcernCounters.update
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.opWriteConcernCounters.update" title="Permalink to this definition">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.opWriteConcernCounters.update">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports on the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#std-label-wc-w">
w: <value>
</a>
specified
by update operations to the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance since it
last started:
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Only available when
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.reportOpWriteConcernCountersInServerStatus">
<code class="leafygreen-ui-1l06pbn">
reportOpWriteConcernCountersInServerStatus
</code>
</a>
parameter is
set to
<code class="leafygreen-ui-1l06pbn">
true
</code>
(
<code class="leafygreen-ui-1l06pbn">
false
</code>
by default).
</p>
</div>
</div>
<script class="structured_data" type="application/ld+json">
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</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">update <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wmajority <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wnum <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <<!-- -->num<!-- -->> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wtag <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <<!-- -->tag1<!-- -->> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->none <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->noneInfo <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-variable lg-highlight-constant">CWWC</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wmajority <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wnum <!-- -->: <!-- -->{<!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wtag <!-- -->: <!-- -->{<!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->implicitDefault <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wmajority <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> wnum <!-- -->: <!-- -->{<!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr></tbody></table></code></pre>
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</div>
</div>
</div>
</div>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:80%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Specified
<code class="leafygreen-ui-1l06pbn">
w
</code>
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
"wmajority"
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Number of update operations that specified
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#mongodb-writeconcern-writeconcern.-majority-">
<code class="leafygreen-ui-1l06pbn">
w: "majority"
</code>
.
</a>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
"wnum"
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Number of update operations that specified
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#mongodb-writeconcern-writeconcern.-number-">
<code class="leafygreen-ui-1l06pbn">
w: <num>
</code>
</a>
. The counts are
grouped by the specific
<code class="leafygreen-ui-1l06pbn">
<num>
</code>
.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
"wtag"
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Number of update operations that specified
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#mongodb-writeconcern-writeconcern.-custom-write-concern-name-">
<code class="leafygreen-ui-1l06pbn">
w: <tag>
</code>
</a>
.
The counts are grouped by the specific
<code class="leafygreen-ui-1l06pbn">
<tag>
</code>
.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
"none"
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Number of update operations that did not specify
<code class="leafygreen-ui-1l06pbn">
w
</code>
value.
These operations use the default
<code class="leafygreen-ui-1l06pbn">
w
</code>
value of
<code class="leafygreen-ui-1l06pbn">
1
</code>
.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
"noneInfo"
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Number of non-transaction query operations that use default write
concerns. The metrics track usage of the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/setDefaultRWConcern/#mongodb-dbcommand-dbcmd.setDefaultRWConcern">
<code class="leafygreen-ui-1l06pbn">
cluster wide write
concern
</code>
</a>
(the global default write concern) and
the implicit-default write concern.
</p>
<p class="leafygreen-ui-1kp3ins">
The sum of the values in
<code class="leafygreen-ui-1l06pbn">
opWriteConcernCounters.noneInfo
</code>
should
equal the value of
<code class="leafygreen-ui-1l06pbn">
opWriteConcernCounters.none
</code>
.
</p>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<p class="leafygreen-ui-1kp3ins">
The sum of the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.opWriteConcernCounters.update" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
opWriteConcernCounters.update
</code>
</span>
</a>
equals
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.opcounters.update" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
opcounters.update
</code>
.
</span>
</a>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
opWriteConcernCounters.delete
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.opWriteConcernCounters.delete" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.opWriteConcernCounters.delete">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports on the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#std-label-wc-w">
w: <value>
</a>
specified
by delete operations to the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance since it
last started:
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Only available when
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.reportOpWriteConcernCountersInServerStatus">
<code class="leafygreen-ui-1l06pbn">
reportOpWriteConcernCountersInServerStatus
</code>
</a>
parameter is
set to
<code class="leafygreen-ui-1l06pbn">
true
</code>
(
<code class="leafygreen-ui-1l06pbn">
false
</code>
by default).
</p>
</div>
</div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"delete : {\n wmajority : Long(\"<num>\"),\n wnum : {\n <num> : Long(\"<num>\"),\n ...\n },\n wtag : {\n <tag1> : Long(\"<num>\"),\n ...\n },\n none : Long(\"<num>\"),\n noneInfo : {\n CWWC : {\n wmajority : Long(\"<num>\"),\n wnum : {},\n wtag : {}\n },\n implicitDefault : {\n wmajority : Long(\"<num>\")\n wnum : {}\n }\n }\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">delete</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wmajority <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wnum <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <<!-- -->num<!-- -->> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wtag <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <<!-- -->tag1<!-- -->> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->none <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->noneInfo <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-variable lg-highlight-constant">CWWC</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wmajority <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wnum <!-- -->: <!-- -->{<!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wtag <!-- -->: <!-- -->{<!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->implicitDefault <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wmajority <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> wnum <!-- -->: <!-- -->{<!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:80%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Specified
<code class="leafygreen-ui-1l06pbn">
w
</code>
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
"wmajority"
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Number of delete operations that specified
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#mongodb-writeconcern-writeconcern.-majority-">
<code class="leafygreen-ui-1l06pbn">
w: "majority"
</code>
.
</a>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
"wnum"
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Number of delete operations that specified
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#mongodb-writeconcern-writeconcern.-number-">
<code class="leafygreen-ui-1l06pbn">
w: <num>
</code>
</a>
. The counts are
grouped by the specific
<code class="leafygreen-ui-1l06pbn">
<num>
</code>
.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
"wtag"
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Number of delete operations that specified
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#mongodb-writeconcern-writeconcern.-custom-write-concern-name-">
<code class="leafygreen-ui-1l06pbn">
w: <tag>
</code>
</a>
.
The counts are grouped by the specific
<code class="leafygreen-ui-1l06pbn">
<tag>
</code>
.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
"none"
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Number of delete operations that did not specify
<code class="leafygreen-ui-1l06pbn">
w
</code>
value.
These operations use the default
<code class="leafygreen-ui-1l06pbn">
w
</code>
value of
<code class="leafygreen-ui-1l06pbn">
1
</code>
.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
"noneInfo"
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Number of non-transaction query operations that use default write
concerns. The metrics track usage of the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/setDefaultRWConcern/#mongodb-dbcommand-dbcmd.setDefaultRWConcern">
<code class="leafygreen-ui-1l06pbn">
cluster wide write
concern
</code>
</a>
(the global default write concern) and
the implicit-default write concern.
</p>
<p class="leafygreen-ui-1kp3ins">
The sum of the values in
<code class="leafygreen-ui-1l06pbn">
opWriteConcernCounters.noneInfo
</code>
should
equal the value of
<code class="leafygreen-ui-1l06pbn">
opWriteConcernCounters.none
</code>
.
</p>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<p class="leafygreen-ui-1kp3ins">
The sum of the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.opWriteConcernCounters.delete" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
opWriteConcernCounters.delete
</code>
</span>
</a>
equals
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.opcounters.delete" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
opcounters.delete
</code>
.
</span>
</a>
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-opcounters">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
opcounters
<a class="headerlink leafygreen-ui-1kepx47" href="#opcounters" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="opcounters">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"opcounters : {\n insert : Long(\"<num>\"),\n query : Long(\"<num>\"),\n update : Long(\"<num>\"),\n delete : Long(\"<num>\"),\n getmore : Long(\"<num>\"),\n command : Long(\"<num>\"),\n},","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">opcounters <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->insert <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->query <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->update <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">delete</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->getmore <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->command <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr></tbody></table></code></pre>
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<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
opcounters
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.opcounters" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.opcounters">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports on database operations by type since the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance last started.
</p>
<p class="leafygreen-ui-1kp3ins">
These numbers will grow over time until next restart. Analyze these
values over time to track database utilization.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
The data in
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.opcounters" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
opcounters
</code>
</span>
</a>
treats operations
that affect multiple documents, such as bulk insert or
multi-update operations, as a single operation. See
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.metrics.document" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
metrics.document
</code>
</span>
</a>
for more granular
document-level operation tracking.
</p>
<p class="leafygreen-ui-1kp3ins">
Additionally, these values reflect received operations, and
increment even when operations are not successful.
</p>
</div>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
opcounters.insert
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.opcounters.insert" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.opcounters.insert">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of insert operations received since the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance last started.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
opcounters.query
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.opcounters.query" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.opcounters.query">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of queries received since the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance last started. Starting in MongoDB 7.1, aggregations
count as query operations and increment this value.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
opcounters.update
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.opcounters.update" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.opcounters.update">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of update operations received since the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance last started.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
opcounters.delete
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.opcounters.delete" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.opcounters.delete">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of delete operations since the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance last started.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
opcounters.getmore
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.opcounters.getmore" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.opcounters.getmore">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/getMore/#mongodb-dbcommand-dbcmd.getMore">
<code class="leafygreen-ui-1l06pbn">
getMore
</code>
</a>
operations since the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance last started. This counter can be high
even if the query count is low. Secondary nodes send
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/getMore/#mongodb-dbcommand-dbcmd.getMore">
<code class="leafygreen-ui-1l06pbn">
getMore
</code>
</a>
operations as part of the replication process.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
opcounters.command
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.opcounters.command" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.opcounters.command">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of commands issued to the database since the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance last started.
</p>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.opcounters.command" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
opcounters.command
</code>
</span>
</a>
counts all
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/#std-label-database-commands">
commands
</a>
<strong>
except
</strong>
the following:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/insert/#mongodb-dbcommand-dbcmd.insert">
<code class="leafygreen-ui-1l06pbn">
insert
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/update/#mongodb-dbcommand-dbcmd.update">
<code class="leafygreen-ui-1l06pbn">
update
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/delete/#mongodb-dbcommand-dbcmd.delete">
<code class="leafygreen-ui-1l06pbn">
delete
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/aggregate/#mongodb-dbcommand-dbcmd.aggregate">
<code class="leafygreen-ui-1l06pbn">
aggregate
</code>
</a>
</p>
</li>
</ul>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
opcounters.deprecated
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.opcounters.deprecated" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.opcounters.deprecated">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
opQuery
</code>
counts the number of requests for opcodes that are
deprecated in MongoDB 5.0 but are temporarily supported. This section
only appears in the
<code class="leafygreen-ui-1l06pbn">
db.serverStatus()
</code>
output when a deprecated
opcode has been used.
</p>
<p class="leafygreen-ui-1kp3ins">
The counter is reset when
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
starts.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"deprecated: {\n opQuery: Long(\"<num>\"),\n}","programmingLanguage":"JavaScript"}
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<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">deprecated</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">opQuery</span>: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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</span>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-opcounters-repl">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
opcountersRepl
<a class="headerlink leafygreen-ui-1kepx47" href="#opcountersrepl" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="opcountersrepl">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The returned opcountersRepl.* values are
type NumberLong.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"opcountersRepl : {\n insert : Long(\"<num>\"),\n query : Long(\"<num>\"),\n update : Long(\"<num>\"),\n delete : Long(\"<num>\"),\n getmore : Long(\"<num>\"),\n command : Long(\"<num>\"),\n},","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">opcountersRepl <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->insert <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->query <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->update <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">delete</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->getmore <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->command <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
opcountersRepl
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.opcountersRepl" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.opcountersRepl">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports on database replication operations by type
since the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance last started.
</p>
<p class="leafygreen-ui-1kp3ins">
These values only appear when the current host is a member of a
replica set.
</p>
<p class="leafygreen-ui-1kp3ins">
These values will differ from the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.opcounters" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
opcounters
</code>
</span>
</a>
values
because of how MongoDB serializes operations during replication.
See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/replication/">
Replication
</a>
for more information on replication.
</p>
<p class="leafygreen-ui-1kp3ins">
These numbers will grow over time in response to database use until
next restart. Analyze these values over time to track database
utilization.
</p>
<p class="leafygreen-ui-1kp3ins">
The returned opcountersRepl.* values are
type NumberLong.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
opcountersRepl.insert
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.opcountersRepl.insert" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.opcountersRepl.insert">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of replicated insert operations since the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance last started.
</p>
<p class="leafygreen-ui-1kp3ins">
The returned opcountersRepl.* values are
type NumberLong.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
opcountersRepl.query
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.opcountersRepl.query" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.opcountersRepl.query">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of replicated queries since the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance last started.
</p>
<p class="leafygreen-ui-1kp3ins">
The returned opcountersRepl.* values are
type NumberLong.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
opcountersRepl.update
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.opcountersRepl.update" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.opcountersRepl.update">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of replicated update operations since the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance last started.
</p>
<p class="leafygreen-ui-1kp3ins">
The returned opcountersRepl.* values are
type NumberLong.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
opcountersRepl.delete
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.opcountersRepl.delete" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.opcountersRepl.delete">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of replicated delete operations since the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance last started.
</p>
<p class="leafygreen-ui-1kp3ins">
The returned opcountersRepl.* values are
type NumberLong.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
opcountersRepl.getmore
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.opcountersRepl.getmore" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.opcountersRepl.getmore">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/getMore/#mongodb-dbcommand-dbcmd.getMore">
<code class="leafygreen-ui-1l06pbn">
getMore
</code>
</a>
operations since the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance last started. This counter can be high
even if the query count is low. Secondary nodes send
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/getMore/#mongodb-dbcommand-dbcmd.getMore">
<code class="leafygreen-ui-1l06pbn">
getMore
</code>
</a>
operations as part of the replication process.
</p>
<p class="leafygreen-ui-1kp3ins">
The returned opcountersRepl.* values are
type NumberLong.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
opcountersRepl.command
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.opcountersRepl.command" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.opcountersRepl.command">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of replicated commands issued to the database since
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance last started.
</p>
<p class="leafygreen-ui-1kp3ins">
The returned opcountersRepl.* values are
type NumberLong.
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-oplogTruncation">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
oplogTruncation
<a class="headerlink leafygreen-ui-1kepx47" href="#oplogtruncation" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="oplogtruncation">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"oplogTruncation : {\n totalTimeProcessingMicros : Long(\"<num>\"),\n processingMethod : <string>,\n oplogMinRetentionHours : <double>\n totalTimeTruncatingMicros : Long(\"<num>\"),\n truncateCount : Long(\"<num>\")\n},","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">oplogTruncation <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->totalTimeProcessingMicros <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->processingMethod <!-- -->: <<!-- -->string<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->oplogMinRetentionHours <!-- -->: <<!-- -->double<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->totalTimeTruncatingMicros <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->truncateCount <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
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</div>
</button>
</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
oplogTruncation
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.oplogTruncation" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.oplogTruncation">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports on
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/replica-set-oplog/#std-label-replica-set-oplog">
oplog
</a>
truncations.
</p>
<p class="leafygreen-ui-1kp3ins">
The field only appears when the current instance is a member of a
replica set and uses either the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/wiredtiger/">
WiredTiger Storage Engine
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/inmemory/">
In-Memory Storage Engine for Self-Managed Deployments
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
Available in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/wiredtiger/">
WiredTiger Storage Engine
<!-- -->
.
</a>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
oplogTruncation.totalTimeProcessingMicros
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.oplogTruncation.totalTimeProcessingMicros" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.oplogTruncation.totalTimeProcessingMicros">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total time taken, in microseconds, to scan or sample the oplog
to determine the oplog truncation points.
</p>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.oplogTruncation.totalTimeProcessingMicros" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
totalTimeProcessingMicros
</code>
</span>
</a>
is only
meaningful if the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance started on existing
data files (i.e. not meaningful for
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/inmemory/">
In-Memory Storage Engine for Self-Managed Deployments
</a>
).
</p>
<p class="leafygreen-ui-1kp3ins">
See
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.oplogTruncation.processingMethod" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
oplogTruncation.processingMethod
</code>
</span>
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
Available in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/wiredtiger/">
WiredTiger Storage Engine
<!-- -->
.
</a>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
oplogTruncation.processingMethod
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.oplogTruncation.processingMethod" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.oplogTruncation.processingMethod">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The method used at start up to determine the oplog truncation points.
The value can be either
<code class="leafygreen-ui-1l06pbn">
"sampling"
</code>
or
<code class="leafygreen-ui-1l06pbn">
"scanning"
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.oplogTruncation.processingMethod" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
processingMethod
</code>
</span>
</a>
is only meaningful
if the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance started on existing data files
(i.e. not meaningful for
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/inmemory/">
In-Memory Storage Engine for Self-Managed Deployments
</a>
).
</p>
<p class="leafygreen-ui-1kp3ins">
Available in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/wiredtiger/">
WiredTiger Storage Engine
<!-- -->
.
</a>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
oplogTruncation.oplogMinRetentionHours
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.oplogTruncation.oplogMinRetentionHours" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.oplogTruncation.oplogMinRetentionHours">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The minimum retention period for the oplog in hours. If the oplog
has exceeded the oplog size, the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
only
truncates oplog entries older than the configured retention
value.
</p>
<p class="leafygreen-ui-1kp3ins">
Only visible if the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
is a member of a replica
set
<em>
and
</em>
:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
was started with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--oplogMinRetentionHours">
<code class="leafygreen-ui-1l06pbn">
--oplogMinRetentionHours
</code>
</a>
command line option
<em>
or
</em>
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-storage.oplogMinRetentionHours">
<code class="leafygreen-ui-1l06pbn">
storage.oplogMinRetentionHours
</code>
</a>
configuration file
option,
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
or
</em>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The minimum retention period was configured after startup using
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/replSetResizeOplog/#mongodb-dbcommand-dbcmd.replSetResizeOplog">
<code class="leafygreen-ui-1l06pbn">
replSetResizeOplog
</code>
.
</a>
</p>
</li>
</ul>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
oplogTruncation.totalTimeTruncatingMicros
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.oplogTruncation.totalTimeTruncatingMicros" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.oplogTruncation.totalTimeTruncatingMicros">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The cumulative time spent, in microseconds, performing oplog truncations.
</p>
<p class="leafygreen-ui-1kp3ins">
Available in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/wiredtiger/">
WiredTiger Storage Engine
<!-- -->
.
</a>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
oplogTruncation.truncateCount
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.oplogTruncation.truncateCount" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.oplogTruncation.truncateCount">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The cumulative number of oplog truncations.
</p>
<p class="leafygreen-ui-1kp3ins">
Available in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/wiredtiger/">
WiredTiger Storage Engine
<!-- -->
.
</a>
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-planCache">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
planCache
<a class="headerlink leafygreen-ui-1kepx47" href="#plancache" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</a>
</h3>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
7.0
</em>
.
</p>
</div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"planCache : {\n totalQueryShapes : Long(\"<num>\"),\n totalSizeEstimateBytes : Long(\"<num>\"),\n classic : {\n hits : Long(\"<num>\"),\n misses : Long(\"<num>\"),\n skipped : Long(\"<num>\")\n },\n sbe : {\n hits : Long(\"<num>\"),\n misses: Long(\"<num>\"),\n skipped : Long(\"<num>\")\n }\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">planCache <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->totalQueryShapes <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->totalSizeEstimateBytes <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->classic <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->hits <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->misses <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->skipped <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->sbe <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->hits <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">misses</span>: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->skipped <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
planCache
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.planCache" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.planCache">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports query plan cache statistics.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
planCache.totalQueryShapes
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.planCache.totalQueryShapes" title="Permalink to this definition">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.planCache.totalQueryShapes">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Approximate number of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-plan-cache-query-shape">
plan cache query shapes
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
Prior to version 7.2, information on the number of plan cache query shapes was stored in
the
<code class="leafygreen-ui-1l06pbn">
query.planCacheTotalQueryShapes
</code>
field.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
7.2
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
planCache.totalSizeEstimateBytes
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.planCache.totalSizeEstimateBytes" title="Permalink to this definition">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.planCache.totalSizeEstimateBytes">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Total size of the plan cache in bytes.
</p>
<p class="leafygreen-ui-1kp3ins">
Prior to version 7.2, information on the plan cache size was stored in the
<code class="leafygreen-ui-1l06pbn">
query.planCacheTotalSizeEstimateBytes
</code>
field.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
7.2
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
planCache.classic.hits
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.planCache.classic.hits" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.planCache.classic.hits">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of classic execution engine query plans found in the query
cache and reused to avoid the query planning phase.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
planCache.classic.misses
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.planCache.classic.misses" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.planCache.classic.misses">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of classic execution engine query plans which were not found
in the query cache and went through the query planning phase.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
planCache.classic.skipped
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.planCache.classic.skipped" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.planCache.classic.skipped">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of classic execution engine query plans that were not found in the
query cache because the query is ineligible for caching.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
7.3
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
planCache.sbe.hits
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.planCache.sbe.hits" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.planCache.sbe.hits">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of
<!-- -->
slot-based execution engine
<!-- -->
query plans found in the query
cache and reused to avoid the query planning phase.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
planCache.sbe.misses
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.planCache.sbe.misses" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.planCache.sbe.misses">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of
<!-- -->
slot-based execution engine
<!-- -->
plans which were not found
in the query cache and went through the query planning phase.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
planCache.sbe.skipped
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.planCache.sbe.skipped" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.planCache.sbe.skipped">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of
<!-- -->
slot-based execution engine
<!-- -->
query plans that were not found in the
query cache because the query is ineligible for caching.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
7.3
</em>
.
</p>
</div>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-queryStats">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
queryStats
<a class="headerlink leafygreen-ui-1kepx47" href="#querystats" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="querystats">
</div>
</a>
</h3>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
7.1
</em>
.
</p>
</div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"queryStats: {\n numEvicted: Long(\"<num>\"),\n numRateLimitedRequests: Long(\"<num>\"),\n queryStatsStoreSizeEstimateBytes: Long(\"<num>\"),\n numQueryStatsStoreWriteErrors: Long(\"<num>\"),\n numHmacApplicationErrors: Long(\"<num>\")\n},","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">queryStats</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numEvicted</span>: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numRateLimitedRequests</span>: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">queryStatsStoreSizeEstimateBytes</span>: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numQueryStatsStoreWriteErrors</span>: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numHmacApplicationErrors</span>: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr></tbody></table></code></pre>
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<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
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</div>
</button>
</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
queryStats
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.queryStats" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.queryStats">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that contains metrics for the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/queryStats/#mongodb-pipeline-pipe.-queryStats">
<code class="leafygreen-ui-1l06pbn">
$queryStats
</code>
</a>
aggregation stage.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
queryStats.numEvicted
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.queryStats.numEvicted" title="Permalink to this definition">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
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<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.queryStats.numEvicted">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of queries that the
<code class="leafygreen-ui-1l06pbn">
$queryStats
</code>
virtual collection has
evicted due to space contraints.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
queryStats.numRateLimitedRequests
</code>
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
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</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of times that query stats were not recorded for a query due to
rate limiting.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
queryStats.queryStatsStoreSizeEstimateBytes
</code>
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.queryStats.queryStatsStoreSizeEstimateBytes">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Current estimated size of objects in the
<code class="leafygreen-ui-1l06pbn">
$queryStats
</code>
virtual
collection.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
queryStats.numQueryStatsStoreWriteErrors
</code>
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
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</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of times this MongoDB process failed to store a new query
stats key. Generally, these failures happen when the
<code class="leafygreen-ui-1l06pbn">
$queryStats
</code>
virtual collection runs out of space.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
queryStats.numHmacApplicationErrors
</code>
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.queryStats.numHmacApplicationErrors">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of times this MongoDB process failed to compute a one-way
tokenized query stats key when
<code class="leafygreen-ui-1l06pbn">
$queryStats
</code>
was called with the
<code class="leafygreen-ui-1l06pbn">
transformIdentifiers
</code>
option.
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-queryAnalyzers">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
queryAnalyzers
<a class="headerlink leafygreen-ui-1kepx47" href="#queryanalyzers" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="queryanalyzers">
</div>
</a>
</h3>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
7.0
</em>
.
</p>
</div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"queryAnalyzers: {\n activeCollections: <integer>,\n totalCollections: <integer>,\n totalSampledReadsCount: <integer>,\n totalSampledWritesCount: <integer>,\n totalSampledReadsBytes: <integer>,\n totalSampledWritesBytes: <integer>\n}","programmingLanguage":"JavaScript"}
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<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">queryAnalyzers</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">activeCollections</span>: <<!-- -->integer<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">totalCollections</span>: <<!-- -->integer<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">totalSampledReadsCount</span>: <<!-- -->integer<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">totalSampledWritesCount</span>: <<!-- -->integer<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">totalSampledReadsBytes</span>: <<!-- -->integer<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">totalSampledWritesBytes</span>: <<!-- -->integer<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
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</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
queryAnalyzers.activeCollections
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.queryAnalyzers.activeCollections" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.queryAnalyzers.activeCollections">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of collections the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/configureQueryAnalyzer/#std-label-configureQueryAnalyzer">
query analyzer
</a>
actively samples.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
queryAnalyzers.totalCollections
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.queryAnalyzers.totalCollections" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.queryAnalyzers.totalCollections">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Total number of sampled collections.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
queryAnalyzers.totalSampledReadsCount
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.queryAnalyzers.totalSampledReadsCount" title="Permalink to this definition">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.queryAnalyzers.totalSampledReadsCount">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Total number of sampled read queries.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
queryAnalyzers.totalSampledWritesCount
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.queryAnalyzers.totalSampledWritesCount" title="Permalink to this definition">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.queryAnalyzers.totalSampledWritesCount">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Total number of sampled write queries.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
queryAnalyzers.totalSampledReadsBytes
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.queryAnalyzers.totalSampledReadsBytes" title="Permalink to this definition">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.queryAnalyzers.totalSampledReadsBytes">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Total size of sampled read queries, in bytes. This metric is
only available when running
<code class="leafygreen-ui-1l06pbn">
serverStatus
</code>
on
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
queryAnalyzers.totalSampledWritesBytes
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.queryAnalyzers.totalSampledWritesBytes" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.queryAnalyzers.totalSampledWritesBytes">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Total size of sampled write queries, in bytes. This metric is
only available when running
<code class="leafygreen-ui-1l06pbn">
serverStatus
</code>
on
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
.
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-queues">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
queues
<a class="headerlink leafygreen-ui-1kepx47" href="#queues" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="queues">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
As an operation proceeds through its stages, it may
enter a queue if the number of concurrent operations at the current
stage exceeds a maximum threshold. This prevents excessive resource
contention and provides observability into the state of the database.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"queues: {\n execution: {\n write: {\n out: Long(\"<num>\"),\n available: Long(\"<num>\"),\n totalTickets: Long(\"<num>\"),\n exempt: {\n addedToQueue: Long(\"<num>\"),\n removedFromQueue: Long(\"<num>\"),\n queueLength: Long(\"<num>\"),\n startedProcessing: Long(\"<num>\"),\n processing: Long(\"<num>\"),\n finishedProcessing: Long(\"<num>\"),\n totalTimeProcessingMicros: Long(\"<num>\"),\n canceled: Long(\"<num>\"),\n newAdmissions: Long(\"<num>\"),\n totalTimeQueuedMicros: Long(\"<num>\")\n },\n normalPriority: {\n addedToQueue: Long(\"<num>\"),\n removedFromQueue: Long(\"<num>\"),\n queueLength: Long(\"<num>\"),\n startedProcessing: Long(\"<num>\"),\n processing: Long(\"<num>\"),\n finishedProcessing: Long(\"<num>\"),\n totalTimeProcessingMicros: Long(\"<num>\"),\n canceled: Long(\"<num>\"),\n newAdmissions: Long(\"<num>\"),\n totalTimeQueuedMicros: Long(\"<num>\")\n }\n },\n read: {\n out: Long(\"<num>\"),\n available: Long(\"<num>\"),\n totalTickets: Long(\"<num>\"),\n exempt: {\n addedToQueue: Long(\"<num>\"),\n removedFromQueue: Long(\"<num>\"),\n queueLength: Long(\"<num>\")),\n startedProcessing: Long(\"<num>\"),\n processing: Long(\"<num>\"),\n finishedProcessing: Long(\"<num>\"),\n totalTimeProcessingMicros: Long(\"<num>\"),\n canceled: Long(\"<num>\"),\n newAdmissions: Long(\"<num>\"),\n totalTimeQueuedMicros: Long(\"<num>\")\n },\n normalPriority: {\n addedToQueue: Long(\"<num>\"),\n removedFromQueue: Long(\"<num>\"),\n queueLength: Long(\"<num>\"),\n startedProcessing: Long(\"<num>\"),\n processing: Long(\"<num>\"),\n finishedProcessing: Long(\"<num>\"),\n totalTimeProcessingMicros: Long(\"<num>\"),\n canceled: Long(\"<num>\"),\n newAdmissions: Long(\"<num>\"),\n totalTimeQueuedMicros: Long(\"<num>\")\n }\n },\n monitor: {\n timesDecreased: Long(\"<num>\"),\n timesIncreased: Long(\"<num>\"),\n totalAmountDecreased: Long(\"<num>\"),\n totalAmountIncreased: Long(\"<num>\"),\n resizeDurationMicros: Long(\"<num>\")\n }\n },\n ingress: {\n out: Long(\"<num>\"),\n available: Long(\"<num>\"),\n totalTickets: Long(\"<num>\"),\n exempt: {\n addedToQueue: Long(\"<num>\"),\n removedFromQueue: Long(\"<num>\"),\n queueLength: Long(\"<num>\"),\n startedProcessing: Long(\"<num>\"),\n processing: Long(\"<num>\"),\n finishedProcessing: Long(\"<num>\"),\n totalTimeProcessingMicros: Long(\"<num>\"),\n canceled: Long(\"<num>\"),\n newAdmissions: Long(\"<num>\"),\n totalTimeQueuedMicros: Long(\"<num>\")\n },\n normalPriority: {\n addedToQueue: Long(\"<num>\"),\n removedFromQueue: Long(\"<num>\"),\n queueLength: Long(\"<num>\"),\n startedProcessing: Long(\"<num>\"),\n processing: Long(\"<num>\"),\n finishedProcessing: Long(\"<num>\"),\n totalTimeProcessingMicros: Long(\"<num>\"),\n canceled: Long(\"<num>\"),\n newAdmissions: Long(\"<num>\"),\n totalTimeQueuedMicros: Long(\"<num>\")\n }\n }\n}","programmingLanguage":"JSON"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light json leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">queues<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> execution<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> write<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> out<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> available<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalTickets<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> exempt<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> addedToQueue<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> removedFromQueue<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> queueLength<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> startedProcessing<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> processing<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> finishedProcessing<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalTimeProcessingMicros<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> canceled<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> newAdmissions<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalTimeQueuedMicros<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">}</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> normalPriority<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> addedToQueue<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> removedFromQueue<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> queueLength<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> startedProcessing<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> processing<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> finishedProcessing<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalTimeProcessingMicros<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> canceled<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> newAdmissions<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalTimeQueuedMicros<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">}</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">}</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> read<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> out<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> available<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalTickets<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> exempt<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> addedToQueue<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> removedFromQueue<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> queueLength<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>))<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> startedProcessing<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> processing<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> finishedProcessing<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalTimeProcessingMicros<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> canceled<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> newAdmissions<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalTimeQueuedMicros<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">}</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> normalPriority<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> addedToQueue<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> removedFromQueue<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> queueLength<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> startedProcessing<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> processing<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> finishedProcessing<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalTimeProcessingMicros<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> canceled<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> newAdmissions<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalTimeQueuedMicros<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">}</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">}</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> monitor<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> timesDecreased<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> timesIncreased<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalAmountDecreased<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalAmountIncreased<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> resizeDurationMicros<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">}</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">}</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ingress<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> out<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> available<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalTickets<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> exempt<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> addedToQueue<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> removedFromQueue<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> queueLength<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> startedProcessing<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> processing<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> finishedProcessing<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalTimeProcessingMicros<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> canceled<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> newAdmissions<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalTimeQueuedMicros<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">}</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> normalPriority<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> addedToQueue<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> removedFromQueue<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> queueLength<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> startedProcessing<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> processing<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> finishedProcessing<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalTimeProcessingMicros<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> canceled<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> newAdmissions<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalTimeQueuedMicros<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">}</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">}</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-punctuation">}</span></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
queues.execution
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.queues.execution" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.queues.execution">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
A document that returns monitoring and
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-server-status-queue-information" target="_self">
<span>
queue
</span>
</a>
information
for operations waiting to be scheduled for execution within the
storage layer (concurrent transactions).
</p>
<p class="leafygreen-ui-1kp3ins">
These settings are MongoDB-specific. To change the settings for
concurrent reads and write transactions (read and write tickets), see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.storageEngineConcurrentReadTransactions">
<code class="leafygreen-ui-1l06pbn">
storageEngineConcurrentReadTransactions
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.storageEngineConcurrentWriteTransactions">
<code class="leafygreen-ui-1l06pbn">
storageEngineConcurrentWriteTransactions
</code>
.
</a>
</p>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Starting in version 7.0, MongoDB uses a default algorithm to dynamically
adjust the maximum number of concurrent storage engine transactions
(including both read and write tickets) to optimize database throughput
during overload.
</p>
<p class="leafygreen-ui-1kp3ins">
The following table summarizes how to identify overload scenarios for MongoDB
post-7.0 and for earlier releases:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:30%"/>
<col style="width:70%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Version
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Diagnosing Overload Scenarios
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
7.0 and later
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
A large number of queued operations that persists for a
prolonged period of time likely indicates an overload.
</p>
<p class="leafygreen-ui-1kp3ins">
A concurrent storage engine transaction (ticket) availibility of
0 for a prolonged period of time
<strong>
does not
</strong>
indicate an overload.
</p>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
6.0 and earlier
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
A large number of queued operations that persists for a
prolonged period of time likely indicates an overload.
</p>
<p class="leafygreen-ui-1kp3ins">
A concurrent storage engine transaction (ticket) availibility of
0 for a prolonged period of time likely indicates an overload.
</p>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
queues.execution.write
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.queues.execution.write" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.queues.execution.write">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that returns
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-server-status-queue-information" target="_self">
<span>
Queue Information
</span>
</a>
for concurrent read transactions (read tickets) allowed into
the WiredTiger storage engine.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
queues.execution.read
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.queues.execution.read" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.queues.execution.read">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that returns
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-server-status-queue-information" target="_self">
<span>
Queue Information
</span>
</a>
for concurrent write transactions (write tickets) allowed into
the WiredTiger storage engine.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
queues.execution.monitor
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.queues.execution.monitor" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.queues.execution.monitor">
</div>
</a>
</dt>
<dd>
</dd>
</dl>
<p class="leafygreen-ui-1kp3ins">
A document that returns monitoring metrics for adjustments that
the system has made to the number of allowed concurrent
transactions (tickets).
</p>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
queues.execution.monitor.timesDecreased
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.queues.execution.monitor.timesDecreased" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.queues.execution.monitor.timesDecreased">
</div>
</a>
</dt>
<dd>
</dd>
</dl>
<p class="leafygreen-ui-1kp3ins">
The number of times the queue size was decreased.
</p>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
queues.execution.monitor.timesIncreased
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.queues.execution.monitor.timesIncreased" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.queues.execution.monitor.timesIncreased">
</div>
</a>
</dt>
<dd>
</dd>
</dl>
<p class="leafygreen-ui-1kp3ins">
The number of times the queue size was increased.
</p>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
queues.execution.monitor.totalAmountDecreased
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.queues.execution.monitor.totalAmountDecreased" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.queues.execution.monitor.totalAmountDecreased">
</div>
</a>
</dt>
<dd>
</dd>
</dl>
<p class="leafygreen-ui-1kp3ins">
The total amount of operations the queue decreased by.
</p>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
queues.execution.monitor.totalAmountIncreased
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.queues.execution.monitor.totalAmountIncreased" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.queues.execution.monitor.totalAmountIncreased">
</div>
</a>
</dt>
<dd>
</dd>
</dl>
<p class="leafygreen-ui-1kp3ins">
The total number of operations the queue increased by.
</p>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
queues.execution.monitor.resizeDurationMicros
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.queues.execution.monitor.resizeDurationMicros" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.queues.execution.monitor.resizeDurationMicros">
</div>
</a>
</dt>
<dd>
</dd>
</dl>
<p class="leafygreen-ui-1kp3ins">
The cumulative time in milliseconds that the system spent resizing
the queue.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
queues.ingress
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.queues.ingress" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.queues.ingress">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
A document that returns
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-server-status-queue-information" target="_self">
<span>
Queue Information
</span>
</a>
for
ingress admission control. Use these values to protect and mitigate
against resource overload by limiting the number of operations
waiting for entry to the database from the network.
</p>
<p class="leafygreen-ui-1kp3ins">
The maximum number of allowed concurrent operations is constrained by
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.ingressAdmissionControllerTicketPoolSize">
<code class="leafygreen-ui-1l06pbn">
ingressAdmissionControllerTicketPoolSize
</code>
.
</a>
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-queue-information">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Queue Information
<a class="headerlink leafygreen-ui-1kepx47" href="#queue-information" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="queue-information">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"out: Long(\"<num>\"),\navailable: Long(\"<num>\"),\ntotalTickets: Long(\"<num>\"),\nexempt: {\n addedToQueue: Long(\"<num>\"),\n removedFromQueue: Long(\"<num>\"),\n queueLength: Long(\"<num>\"),\n startedProcessing: Long(\"<num>\"),\n processing: Long(\"<num>\"),\n finishedProcessing: Long(\"<num>\"),\n totalTimeProcessingMicros: Long(\"<num>\"),\n canceled: Long(\"<num>\"),\n newAdmissions: Long(\"<num>\"),\n totalTimeQueuedMicros: Long(\"<num>\")\n},\nnormalPriority: {\n addedToQueue: Long(\"<num>\"),\n removedFromQueue: Long(\"<num>\"),\n queueLength: Long(\"<num>\"),\n startedProcessing: Long(\"<num>\"),\n processing: Long(\"<num>\"),\n finishedProcessing: Long(\"<num>\"),\n totalTimeProcessingMicros: Long(\"<num>\"),\n canceled: Long(\"<num>\"),\n newAdmissions: Long(\"<num>\"),\n totalTimeQueuedMicros: Long(\"<num>\")\n}","programmingLanguage":"JSON"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light json leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">out<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">available<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">totalTickets<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">exempt<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> addedToQueue<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> removedFromQueue<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> queueLength<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> startedProcessing<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> processing<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> finishedProcessing<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalTimeProcessingMicros<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> canceled<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> newAdmissions<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalTimeQueuedMicros<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-punctuation">}</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">normalPriority<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> addedToQueue<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> removedFromQueue<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> queueLength<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> startedProcessing<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> processing<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> finishedProcessing<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalTimeProcessingMicros<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> canceled<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> newAdmissions<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> totalTimeQueuedMicros<span class="lg-highlight-punctuation">:</span> Long(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-punctuation">}</span></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
out
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.out" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.out">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of currently held tickets.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
available
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.available" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.available">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of available tickets.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
totalTickets
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.totalTickets" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.totalTickets">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The size of the ticket pool.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
exempt
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.exempt" title="Permalink to this definition">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.exempt">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that returns metrics for operations exempt from the
queue.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
exempt.startedProcessing
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.exempt.startedProcessing" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.exempt.startedProcessing">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of operations that acquired an admission ticket.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
exempt.processing
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.exempt.processing" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.exempt.processing">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of operations that are currently being processed.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
exempt.finishedProcessing
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.exempt.finishedProcessing" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.exempt.finishedProcessing">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of operations that released their admission ticket.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
exempt.totalTimeProcessingMicros
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.exempt.totalTimeProcessingMicros" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.exempt.totalTimeProcessingMicros">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total time operations held their admission tickets.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
exempt.canceled
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.exempt.canceled" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.exempt.canceled">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of operations that timed out in the queue.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
exempt.newAdmissions
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.exempt.newAdmissions" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.exempt.newAdmissions">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of new admissions to the queue.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
exempt.totalTimeQueuedMicros
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.exempt.totalTimeQueuedMicros" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.exempt.totalTimeQueuedMicros">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total time operations spent waiting on the queue.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
normalPriority
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.normalPriority" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.normalPriority">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that returns metrics for operations subject to
the queue.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
normalPriority.addedToQueue
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.normalPriority.addedToQueue" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.normalPriority.addedToQueue">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of operations add to the queue.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
normalPriority.removedFromQueue
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.normalPriority.removedFromQueue" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.normalPriority.removedFromQueue">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of operations removed from the queue.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
normalPriority.queueLength
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.normalPriority.queueLength" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.normalPriority.queueLength">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of operations in the queue.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
normalPriority.startedProcessing
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.normalPriority.startedProcessing" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.normalPriority.startedProcessing">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of operations that acquired an admission ticket.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
normalPriority.processing
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.normalPriority.processing" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.normalPriority.processing">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of operations that are currently being processed.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
normalPriority.finishedProcessing
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.normalPriority.finishedProcessing" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.normalPriority.finishedProcessing">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of operations that released their admission ticket.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
normalPriority.totalTimeProcessingMicros
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.normalPriority.totalTimeProcessingMicros" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.normalPriority.totalTimeProcessingMicros">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total time operations held their admission tickets.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
normalPriority.canceled
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.normalPriority.canceled" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.normalPriority.canceled">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of operations that timed out in the queue.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
normalPriority.newAdmissions
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.normalPriority.newAdmissions" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.normalPriority.newAdmissions">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of new admissions to the queue.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
normalPriority.totalTimeQueuedMicros
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.normalPriority.totalTimeQueuedMicros" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.normalPriority.totalTimeQueuedMicros">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total time operations spent waiting on the queue.
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-querySettings">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
querySettings
<a class="headerlink leafygreen-ui-1kepx47" href="#querysettings" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="querysettings">
</div>
</a>
</h3>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"querySettings: {\n count: <num>,\n rejectCount: <num>,\n size: <num>\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">querySettings</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">count</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">rejectCount</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">size</span>: <<!-- -->num<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
querySettings
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.querySettings" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.querySettings">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Document with configuration counts and usage for query settings.
</p>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, use query settings instead of adding
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/query-plans/#std-label-index-filters">
index filters
</a>
. Index filters are deprecated
starting in MongoDB 8.0.
</p>
<p class="leafygreen-ui-1kp3ins">
Query settings have more functionality than index filters. Also, index
filters aren't persistent and you cannot easily create index filters for
all cluster nodes. To add query settings and explore examples, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/setQuerySettings/#mongodb-dbcommand-dbcmd.setQuerySettings">
<code class="leafygreen-ui-1l06pbn">
setQuerySettings
</code>
.
</a>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
querySettings.count
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.querySettings.count" title="Permalink to this definition">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.querySettings.count">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Total number of query settings.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
querySettings.rejectCount
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.querySettings.rejectCount" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.querySettings.rejectCount">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Total number of query settings that have the
<code class="leafygreen-ui-1l06pbn">
reject
</code>
field set to
<code class="leafygreen-ui-1l06pbn">
true
</code>
. To set the
<code class="leafygreen-ui-1l06pbn">
reject
</code>
field, use
<code class="leafygreen-ui-1l06pbn">
setQuerySettings
</code>
.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
querySettings.size
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.querySettings.size" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.querySettings.size">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Total size in bytes for query settings.
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-readConcernCounters">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
readConcernCounters
<a class="headerlink leafygreen-ui-1kepx47" href="#readconcerncounters" title="Permalink to this heading">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="readconcerncounters">
</div>
</a>
</h3>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"readConcernCounters : {\n nonTransactionOps : {\n none : Long(\"<num>\"),\n noneInfo : {\n CWRC : {\n local : Long(\"<num>\"),\n available : Long(\"<num>\"),\n majority : Long(\"<num>\")\n },\n implicitDefault : {\n local : Long(\"<num>\"),\n available : Long(\"<num>\")\n }\n },\n local : Long(\"<num>\"),\n available : Long(\"<num>\"),\n majority : Long(\"<num>\"),\n snapshot : {\n withClusterTime : Long(\"<num>\"),\n withoutClusterTime : Long(\"<num>\")\n },\n linearizable : Long(\"<num>\")\n },\n transactionOps : {\n none : Long(\"<num>\"),\n noneInfo : {\n CWRC : {\n local : Long(\"<num>\"),\n available : Long(\"<num>\"),\n majority : Long(\"<num>\")\n },\n implicitDefault : {\n local : Long(\"<num>\"),\n available : Long(\"<num>\")\n }\n },\n local : Long(\"<num>\"),\n majority : Long(\"<num>\"),\n snapshot : {\n withClusterTime : Long(\"<num>\"),\n withoutClusterTime : Long(\"<num>\")\n }\n }\n},","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">readConcernCounters <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->nonTransactionOps <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->none <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->noneInfo <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-variable lg-highlight-constant">CWRC</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->local <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->available <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->majority <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->implicitDefault <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->local <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->available <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->local <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->available <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->majority <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->snapshot <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->withClusterTime <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->withoutClusterTime <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->linearizable <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->transactionOps <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->none <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->noneInfo <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-variable lg-highlight-constant">CWRC</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->local <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->available <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->majority <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->implicitDefault <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->local <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->available <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->local <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->majority <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->snapshot <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->withClusterTime <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->withoutClusterTime <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr></tbody></table></code></pre>
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</button>
</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
readConcernCounters
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.readConcernCounters" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.readConcernCounters">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports on the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern/#std-label-read-concern-levels">
read concern level
</a>
specified by query operations. This document
contains the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.readConcernCounters.nonTransactionOps" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
readConcernCounters.nonTransactionOps
</code>
</span>
</a>
and
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.readConcernCounters.transactionOps" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
readConcernCounters.transactionOps
</code>
</span>
</a>
documents.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
readConcernCounters.nonTransactionOps
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.readConcernCounters.nonTransactionOps" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.readConcernCounters.nonTransactionOps">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports on the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern/#std-label-read-concern-levels">
read concern level
</a>
specified by non-transaction query operations
performed after the database server last started.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
readConcernCounters.nonTransactionOps.none
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.readConcernCounters.nonTransactionOps.none" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.readConcernCounters.nonTransactionOps.none">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of non-transaction query operations that did not specify a
read concern level and instead used either:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
the default
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern/#std-label-read-concern-levels">
read concern level
</a>
, or
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
the global default read concern configuration if it was set by the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/setDefaultRWConcern/#mongodb-dbcommand-dbcmd.setDefaultRWConcern">
<code class="leafygreen-ui-1l06pbn">
setDefaultRWConcern
</code>
</a>
command.
</p>
</li>
</ul>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
readConcernCounters.nonTransactionOps.noneInfo
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.readConcernCounters.nonTransactionOps.noneInfo" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.readConcernCounters.nonTransactionOps.noneInfo">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of non-transaction query operations that use the global
default read concern and an implicit-default read concern.
</p>
<p class="leafygreen-ui-1kp3ins">
The sum of the values in
<code class="leafygreen-ui-1l06pbn">
readConcernCounters.nonTransactionOps.noneInfo
</code>
should equal the
value of
<code class="leafygreen-ui-1l06pbn">
readConcernCounters.nonTransactionOps.none
</code>
.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
readConcernCounters.nonTransactionOps.local
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.readConcernCounters.nonTransactionOps.local" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.readConcernCounters.nonTransactionOps.local">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of non-transaction query operations that specified the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern-local/#mongodb-readconcern-readconcern.-local-">
<code class="leafygreen-ui-1l06pbn">
"local"
</code>
</a>
read concern level.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
readConcernCounters.nonTransactionOps.available
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.readConcernCounters.nonTransactionOps.available" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.readConcernCounters.nonTransactionOps.available">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of non-transaction query operations that specified the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern-available/#mongodb-readconcern-readconcern.-available-">
<code class="leafygreen-ui-1l06pbn">
"available"
</code>
</a>
read concern level.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
readConcernCounters.nonTransactionOps.majority
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.readConcernCounters.nonTransactionOps.majority" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.readConcernCounters.nonTransactionOps.majority">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of non-transaction query operations that specified the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern-majority/#mongodb-readconcern-readconcern.-majority-">
<code class="leafygreen-ui-1l06pbn">
"majority"
</code>
</a>
read concern level.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
readConcernCounters.nonTransactionOps.snapshot
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.readConcernCounters.nonTransactionOps.snapshot" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.readConcernCounters.nonTransactionOps.snapshot">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Document containing non-transaction query operations that specified
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern-snapshot/#mongodb-readconcern-readconcern.-snapshot-">
<code class="leafygreen-ui-1l06pbn">
"snapshot"
</code>
</a>
read concern level.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
readConcernCounters.nonTransactionOps.snapshot.withClusterTime
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.readConcernCounters.nonTransactionOps.snapshot.withClusterTime" title="Permalink to this definition">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.readConcernCounters.nonTransactionOps.snapshot.withClusterTime">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of non-transaction query operations that specified the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern-snapshot/#mongodb-readconcern-readconcern.-snapshot-">
<code class="leafygreen-ui-1l06pbn">
"snapshot"
</code>
</a>
read concern level and the cluster time,
which specified a point in time.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
readConcernCounters.nonTransactionOps.snapshot.withoutClusterTime
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.readConcernCounters.nonTransactionOps.snapshot.withoutClusterTime" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.readConcernCounters.nonTransactionOps.snapshot.withoutClusterTime">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of non-transaction query operations that specified the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern-snapshot/#mongodb-readconcern-readconcern.-snapshot-">
<code class="leafygreen-ui-1l06pbn">
"snapshot"
</code>
</a>
read concern level without the cluster
time, which means a point in time was omitted and the server will
read the most recently committed snapshot available to the node.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
readConcernCounters.nonTransactionOps.linearizable
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.readConcernCounters.nonTransactionOps.linearizable" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.readConcernCounters.nonTransactionOps.linearizable">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of non-transaction query operations that specified the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern-linearizable/#mongodb-readconcern-readconcern.-linearizable-">
<code class="leafygreen-ui-1l06pbn">
"linearizable"
</code>
</a>
read concern level.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
readConcernCounters.transactionOps
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.readConcernCounters.transactionOps" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.readConcernCounters.transactionOps">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports on the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern/#std-label-read-concern-levels">
read concern level
</a>
specified by transaction query operations
performed after the database server last started.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
readConcernCounters.transactionOps.none
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.readConcernCounters.transactionOps.none" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.readConcernCounters.transactionOps.none">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of transaction query operations that did not specify a
read concern level and instead used the default
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern/#std-label-read-concern-levels">
read concern
level
</a>
or the global default read or write
concern configuration added with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/setDefaultRWConcern/#mongodb-dbcommand-dbcmd.setDefaultRWConcern">
<code class="leafygreen-ui-1l06pbn">
setDefaultRWConcern
</code>
</a>
command.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
readConcernCounters.transactionOps.noneInfo
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.readConcernCounters.transactionOps.noneInfo" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.readConcernCounters.transactionOps.noneInfo">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Information about the global default read concern and
implicit-default read concern used by transaction query operations.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
readConcernCounters.transactionOps.local
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.readConcernCounters.transactionOps.local" title="Permalink to this definition">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.readConcernCounters.transactionOps.local">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of transaction query operations that specified the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern-local/#mongodb-readconcern-readconcern.-local-">
<code class="leafygreen-ui-1l06pbn">
"local"
</code>
</a>
read concern level.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
readConcernCounters.transactionOps.available
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.readConcernCounters.transactionOps.available" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.readConcernCounters.transactionOps.available">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of transaction query operations that specified the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern-available/#mongodb-readconcern-readconcern.-available-">
<code class="leafygreen-ui-1l06pbn">
"available"
</code>
</a>
read concern level.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
readConcernCounters.transactionOps.majority
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.readConcernCounters.transactionOps.majority" title="Permalink to this definition">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.readConcernCounters.transactionOps.majority">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of transaction query operations that specified the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern-majority/#mongodb-readconcern-readconcern.-majority-">
<code class="leafygreen-ui-1l06pbn">
"majority"
</code>
</a>
read concern level.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
readConcernCounters.transactionOps.snapshot
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.readConcernCounters.transactionOps.snapshot" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.readConcernCounters.transactionOps.snapshot">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Document containing transaction query operations that specified the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern-snapshot/#mongodb-readconcern-readconcern.-snapshot-">
<code class="leafygreen-ui-1l06pbn">
"snapshot"
</code>
</a>
read concern level.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
readConcernCounters.transactionOps.snapshot.withClusterTime
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.readConcernCounters.transactionOps.snapshot.withClusterTime" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.readConcernCounters.transactionOps.snapshot.withClusterTime">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of transaction query operations that specified the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern-snapshot/#mongodb-readconcern-readconcern.-snapshot-">
<code class="leafygreen-ui-1l06pbn">
"snapshot"
</code>
</a>
read concern level and the cluster time,
which specified a point in time.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
readConcernCounters.transactionOps.snapshot.withoutClusterTime
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.readConcernCounters.transactionOps.snapshot.withoutClusterTime" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.readConcernCounters.transactionOps.snapshot.withoutClusterTime">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of transaction query operations that specified the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern-snapshot/#mongodb-readconcern-readconcern.-snapshot-">
<code class="leafygreen-ui-1l06pbn">
"snapshot"
</code>
</a>
read concern level without the cluster
time, which means a point in time was omitted and the server will
read the most recently committed snapshot available to the node.
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-readPreferenceCounters">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
readPreferenceCounters
<a class="headerlink leafygreen-ui-1kepx47" href="#readpreferencecounters" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="readpreferencecounters">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
<em>
Available starting in MongoDB 7.2 (and 7.0.3, 6.0.11).
</em>
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Available on mongod only.
</em>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"readPreferenceCounters : {\n executedOnPrimary : {\n primary : {\n internal : Long(\"<num>\"),\n external : Long(\"<num>\")\n },\n primaryPreferred : {\n internal : Long(\"<num>\"),\n external : Long(\"<num>\")\n },\n secondary : {\n internal : Long(\"<num>\"),\n external : Long(\"<num>\")\n },\n secondaryPreferred : {\n internal : Long(\"<num>\"),\n external : Long(\"<num>\")\n },\n nearest : {\n internal : Long(\"<num>\"),\n external : Long(\"<num>\")\n },\n tagged : {\n internal : Long(\"<num>\"),\n external : Long(\"<num>\")\n }\n },\n executedOnSecondary : {\n primary : {\n internal : Long(\"<num>\"),\n external : Long(\"<num>\")\n },\n primaryPreferred : {\n internal : Long(\"<num>\"),\n external : Long(\"<num>\")\n },\n secondary : {\n internal : Long(\"<num>\"),\n external : Long(\"<num>\")\n },\n secondaryPreferred : {\n internal : Long(\"<num>\"),\n external : Long(\"<num>\")\n },\n nearest : {\n internal : Long(\"<num>\"),\n external : Long(\"<num>\")\n },\n tagged : {\n internal : Long(\"<num>\"),\n external : Long(\"<num>\")\n }\n }\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">readPreferenceCounters <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->executedOnPrimary <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->primary <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->internal <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->external <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->primaryPreferred <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->internal <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->external <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->secondary <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->internal <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->external <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->secondaryPreferred <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->internal <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->external <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->nearest <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->internal <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->external <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->tagged <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->internal <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->external <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->executedOnSecondary <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->primary <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->internal <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->external <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->primaryPreferred <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->internal <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->external <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->secondary <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->internal <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->external <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->secondaryPreferred <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->internal <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->external <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->nearest <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->internal <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->external <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->tagged <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->internal <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->external <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</div>
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</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
readPreferenceCounters
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.readPreferenceCounters" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.readPreferenceCounters">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<em>
Available on mongod only.
</em>
</p>
<p class="leafygreen-ui-1kp3ins">
A document that reports the number of operations received by this
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
node with the specified
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/read-preference/#std-label-read-pref-summary">
read preference
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
tagged
</code>
sub-field refers to any read preference passed in
with a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/read-preference-tags/#std-label-replica-set-read-preference-tag-sets">
tag
<!-- -->
.
</a>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
readPreferenceCounters.executedOnPrimary
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.readPreferenceCounters.executedOnPrimary" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.readPreferenceCounters.executedOnPrimary">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<em>
Available on mongod only.
</em>
</p>
<p class="leafygreen-ui-1kp3ins">
A document that counts how many internal and external read preference
operations the node received while serving as the primary.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
readPreferenceCounters.executedOnSecondary
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.readPreferenceCounters.executedOnSecondary" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.readPreferenceCounters.executedOnSecondary">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<em>
Available on mongod only.
</em>
</p>
<p class="leafygreen-ui-1kp3ins">
A document that counts how many internal and external read preference
operations the node received while serving as a secondary.
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-repl">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
repl
<a class="headerlink leafygreen-ui-1kepx47" href="#repl" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="repl">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"repl : {\n hosts : [\n <string>,\n <string>,\n <string>\n ],\n setName : <string>,\n setVersion : <num>,\n isWritablePrimary : <boolean>,\n secondary : <boolean>,\n primary : <hostname>,\n me : <hostname>,\n electionId : ObjectId(\"\"),\n primaryOnlyServices: {\n ReshardingRecipientService: { state: <string>, numInstances: <num> },\n RenameCollectionParticipantService: { state: <string>, numInstances: <num> },\n ShardingDDLCoordinator: { state: <string>, numInstances: <num> },\n ReshardingDonorService: { state: <string>, numInstances: <num> }\n },\n rbid : <num>,\n replicationProgress : [\n {\n rid : <objectid>,\n optime : { ts: <timestamp>, term: <num> },\n host : <hostname>,\n memberId : <num>\n },\n ...\n ]\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">repl <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->hosts <!-- -->: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <<!-- -->string<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><<!-- -->string<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><<!-- -->string<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->setName <!-- -->: <<!-- -->string<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->setVersion <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->isWritablePrimary <!-- -->: <<!-- -->boolean<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->secondary <!-- -->: <<!-- -->boolean<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->primary <!-- -->: <<!-- -->hostname<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->me <!-- -->: <<!-- -->hostname<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->electionId <!-- -->: <span class="lg-highlight-title lg-highlight-class">ObjectId</span>(<span class="lg-highlight-string">""</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">primaryOnlyServices</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">ReshardingRecipientService</span>: <!-- -->{ <span class="lg-highlight-attr">state</span>: <<!-- -->string<!-- -->><!-- -->,<!-- --> <span class="lg-highlight-attr">numInstances</span>: <<!-- -->num<!-- -->> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">RenameCollectionParticipantService</span>: <!-- -->{ <span class="lg-highlight-attr">state</span>: <<!-- -->string<!-- -->><!-- -->,<!-- --> <span class="lg-highlight-attr">numInstances</span>: <<!-- -->num<!-- -->> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">ShardingDDLCoordinator</span>: <!-- -->{ <span class="lg-highlight-attr">state</span>: <<!-- -->string<!-- -->><!-- -->,<!-- --> <span class="lg-highlight-attr">numInstances</span>: <<!-- -->num<!-- -->> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">ReshardingDonorService</span>: <!-- -->{ <span class="lg-highlight-attr">state</span>: <<!-- -->string<!-- -->><!-- -->,<!-- --> <span class="lg-highlight-attr">numInstances</span>: <<!-- -->num<!-- -->> <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->rbid <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->replicationProgress <!-- -->: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->rid <!-- -->: <<span class="lg-highlight-title lg-highlight-class">ObjectId</span>><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->optime <!-- -->: <!-- -->{ <span class="lg-highlight-attr">ts</span>: <<!-- -->timestamp<!-- -->><!-- -->,<!-- --> <span class="lg-highlight-attr">term</span>: <<!-- -->num<!-- -->> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->host <!-- -->: <<!-- -->hostname<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->memberId <!-- -->: <<!-- -->num<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
repl
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.repl" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.repl">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports on the replica set configuration.
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.repl" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
repl
</code>
</span>
</a>
only appear when the current host is a replica
set. See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/replication/">
Replication
</a>
for more information on replication.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
repl.hosts
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.repl.hosts" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.repl.hosts">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
An array of the current replica set members' hostname and port
information (
<code class="leafygreen-ui-1l06pbn">
"host:port"
</code>
).
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
repl.setName
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.repl.setName" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.repl.setName">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A string with the name of the current replica set. This value
reflects the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--replSet">
<code class="leafygreen-ui-1l06pbn">
--replSet
</code>
</a>
command line
argument, or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-replication.replSetName">
<code class="leafygreen-ui-1l06pbn">
replSetName
</code>
</a>
value in the
configuration file.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
repl.isWritablePrimary
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.repl.isWritablePrimary" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.repl.isWritablePrimary">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A boolean that indicates whether the current node is the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-primary">
primary
</a>
of the replica set.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
repl.secondary
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.repl.secondary" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.repl.secondary">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A boolean that indicates whether the current node is a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-secondary">
secondary
</a>
member of the replica set.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
repl.primary
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.repl.primary" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.repl.primary">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The hostname and port information (
<code class="leafygreen-ui-1l06pbn">
"host:port"
</code>
) of the current
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-primary">
primary
</a>
member of the replica set.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
repl.me
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.repl.me" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.repl.me">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The hostname and port information (
<code class="leafygreen-ui-1l06pbn">
"host:port"
</code>
) for the current
member of the replica set.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
repl.primaryOnlyServices
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.repl.primaryOnlyServices" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.repl.primaryOnlyServices">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Document that contains the number and status of
instances of each primary service active on the server. Primary
services can only start when a server is primary but can continue running to
completion after the server changes state.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
repl.primaryOnlyServices.ReshardingRecipientService
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.repl.primaryOnlyServices.ReshardingRecipientService" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.repl.primaryOnlyServices.ReshardingRecipientService">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Document that contains the state and number of instances of the
<code class="leafygreen-ui-1l06pbn">
ReshardingRecipientService
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
Recipients are the shards,that would own the chunks after as a
result of the resharding operation, according to the new
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/manual/core/sharding-shard-key/" target="_self">
<span>
shard key
</span>
</a>
and
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/manual/core/zone-sharding/" target="_self">
<span>
zones
<!-- -->
.
</span>
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
The resharding coordinator instructs each donor and recipient shard
primary, to rename the temporary sharded collection.
The temporary collection becomes the new resharded collection.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
repl.primaryOnlyServices.RenameCollectionParticipantService
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.repl.primaryOnlyServices.RenameCollectionParticipantService" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.repl.primaryOnlyServices.RenameCollectionParticipantService">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Document that contains the state and number of instances of the
<code class="leafygreen-ui-1l06pbn">
RenameCollectionParticipantService
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
RenameCollectionParticipantService
</code>
ensures that, after a shard
receives a
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/manual/reference/method/db.collection.renameCollection/" target="_self">
<span>
renameCollection
</span>
</a>
request, the shard is able to resume the local rename in case of
system failure.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
repl.primaryOnlyServices.ShardingDDLCoordinator
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.repl.primaryOnlyServices.ShardingDDLCoordinator" title="Permalink to this definition">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.repl.primaryOnlyServices.ShardingDDLCoordinator">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Document that contains the state and number of instances of the
<code class="leafygreen-ui-1l06pbn">
ShardingDDLCoordinator
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
ShardingDDLCoordinator
</code>
service manages DDL operations for
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/manual/core/replica-set-members/#std-label-replica-set-primary-member" target="_self">
<span>
primary
</span>
</a>
databases such as:
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/manual/core/databases-and-collections/#create-a-database" target="_self">
<span>
create database
</span>
</a>
,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/manual/reference/method/db.dropDatabase/" target="_self">
<span>
drop database
</span>
</a>
,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/manual/reference/method/db.collection.renameCollection/" target="_self">
<span>
renameCollection
<!-- -->
.
</span>
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
ShardingDDLCoordinator
</code>
ensures that one DDL operation for
each database can happen at any one specific point in time within a
sharded cluster.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
repl.primaryOnlyServices.ReshardingDonorService
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.repl.primaryOnlyServices.ReshardingDonorService" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.repl.primaryOnlyServices.ReshardingDonorService">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Document that contains the state and number of instances of the
<code class="leafygreen-ui-1l06pbn">
ReshardingDonorService
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
Donors are the shards that own chunks of the sharded collection
before the rename operation completes.
</p>
<p class="leafygreen-ui-1kp3ins">
The resharding coordinator instructs each donor and recipient shard
primary, to rename the temporary sharded collection.
The temporary collection becomes the new resharded collection.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
repl.rbid
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.repl.rbid" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.repl.rbid">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-rollback">
Rollback
</a>
identifier. Used to determine if a rollback has
happened for this
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
repl.replicationProgress
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.repl.replicationProgress" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.repl.replicationProgress">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
An array with one document for each member of the replica set that
reports replication process to this member. Typically this is the
primary, or secondaries if using chained replication.
</p>
<p class="leafygreen-ui-1kp3ins">
To include this output, you must pass the
<code class="leafygreen-ui-1l06pbn">
repl
</code>
option to the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.serverStatus" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
serverStatus
</code>
</span>
</a>
, as in the following:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.serverStatus({ \"repl\": 1 })\ndb.runCommand({ \"serverStatus\": 1, \"repl\": 1 })","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">serverStatus</span>(<!-- -->{ <span class="lg-highlight-string">"repl"</span>: <span class="lg-highlight-number">1</span> })</td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>(<!-- -->{ <span class="lg-highlight-string">"serverStatus"</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-string">"repl"</span>: <span class="lg-highlight-number">1</span> })</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The content of the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.repl.replicationProgress" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
repl.replicationProgress
</code>
</span>
</a>
section
depends on the source of each member's replication. This section
supports internal operation and is for internal and diagnostic use only.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
repl.replicationProgress[n].rid
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.repl.replicationProgress-n-.rid" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.repl.replicationProgress-n-.rid">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
An ObjectId used as an ID for the members of the replica
set. For internal use only.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
repl.replicationProgress[n].optime
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.repl.replicationProgress-n-.optime" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.repl.replicationProgress-n-.optime">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Information regarding the last operation from the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-oplog">
oplog
</a>
that
the member applied, as reported from this member.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
repl.replicationProgress[n].host
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.repl.replicationProgress-n-.host" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.repl.replicationProgress-n-.host">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The name of the host in
<code class="leafygreen-ui-1l06pbn">
[hostname]:[port]
</code>
format for the member
of the replica set.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
repl.replicationProgress[n].memberID
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.repl.replicationProgress-n-.memberID" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.repl.replicationProgress-n-.memberID">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The integer identifier for this member of the replica set.
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-security">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
security
<a class="headerlink leafygreen-ui-1kepx47" href="#security" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="security">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"security : {\n authentication : {\n saslSupportedMechsReceived : <num>,\n mechanisms : {\n MONGODB-X509 : {\n speculativeAuthenticate : {\n received : Long(\"<num>\"),\n successful : Long(\"<num>\")\n },\n authenticate : {\n received : Long(\"<num>\"),\n successful : Long(\"<num>\")\n }\n },\n SCRAM-SHA-1 : {\n speculativeAuthenticate : {\n received : Long(\"<num>\"),\n successful : Long(\"<num>\")\n },\n authenticate : {\n received : Long(\"<num>\"),\n successful : Long(\"<num>\")\n }\n },\n SCRAM-SHA-256 : {\n speculativeAuthenticate : {\n received : Long(\"<num>\"),\n successful : Long(\"<num>\")\n },\n authenticate : {\n received : Long(\"<num>\"),\n successful : Long(\"<num>\")\n }\n }\n }\n },\n SSLServerSubjectName: <string>,\n SSLServerHasCertificateAuthority: <boolean>,\n SSLServerCertificateExpirationDate: <date>\n},","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">security <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->authentication <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->saslSupportedMechsReceived <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->mechanisms <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-variable lg-highlight-constant">MONGODB</span>-<span class="lg-highlight-variable lg-highlight-constant">X509</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->speculativeAuthenticate <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->received <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->successful <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->authenticate <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->received <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->successful <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-variable lg-highlight-constant">SCRAM</span>-<span class="lg-highlight-variable lg-highlight-constant">SHA</span>-<span class="lg-highlight-number">1</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->speculativeAuthenticate <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->received <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->successful <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->authenticate <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->received <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->successful <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-variable lg-highlight-constant">SCRAM</span>-<span class="lg-highlight-variable lg-highlight-constant">SHA</span>-<span class="lg-highlight-number">256</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->speculativeAuthenticate <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->received <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->successful <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->authenticate <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->received <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->successful <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">SSLServerSubjectName</span>: <<!-- -->string<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">SSLServerHasCertificateAuthority</span>: <<!-- -->boolean<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">SSLServerCertificateExpirationDate</span>: <<!-- -->date<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
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</button>
</div>
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</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
security
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.security" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.security">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports on:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The number of times a given authentication mechanism has been used
to authenticate against the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
/
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance's TLS/SSL
certificate. (Only appears for
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance with support for TLS)
</p>
</li>
</ul>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
security.authentication.saslSupportedMechsReceived
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.security.authentication.saslSupportedMechsReceived" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.security.authentication.saslSupportedMechsReceived">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
The number of times a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/hello/#mongodb-dbcommand-dbcmd.hello">
<code class="leafygreen-ui-1l06pbn">
hello
</code>
</a>
request includes a valid
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/hello/#mongodb-data-hello.saslSupportedMechs">
<code class="leafygreen-ui-1l06pbn">
hello.saslSupportedMechs
</code>
</a>
field.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
security.authentication.mechanisms
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.security.authentication.mechanisms" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.security.authentication.mechanisms">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports on the number of times a given
authentication mechanism has been used to authenticate against the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance. The
values in the document distinguish standard authentication and
speculative authentication.
<a class="footnote-reference header-buffer" href="#footnote-speculative-auth" id="ref-speculative-auth-id1">
[
<!-- -->
1
<!-- -->
]
</a>
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
The fields in the
<code class="leafygreen-ui-1l06pbn">
mechanisms
</code>
document depend on the
configuration of the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.authenticationMechanisms">
<code class="leafygreen-ui-1l06pbn">
authenticationMechanisms
</code>
</a>
parameter. The
<code class="leafygreen-ui-1l06pbn">
mechanisms
</code>
document includes a field for
each authentication mechanism supported by your
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance.
</p>
<p class="leafygreen-ui-1kp3ins">
The following example shows the shape of the
<code class="leafygreen-ui-1l06pbn">
mechanisms
</code>
document for a deployment that only supports
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/security-x.509/">
x.509
</a>
authentication.
</p>
</div>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
security.authentication.mechanisms.MONGODB-X509
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.security.authentication.mechanisms.MONGODB-X509" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.security.authentication.mechanisms.MONGODB-X509">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that reports on the number of times
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/security-x.509/#std-label-security-auth-x509">
x.509
</a>
has been used to
authenticate against the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance.
</p>
<p class="leafygreen-ui-1kp3ins">
Includes total number of
<code class="leafygreen-ui-1l06pbn">
x.509
</code>
authentication attempts and the
subset of those attempts which were speculative.
<a class="footnote-reference header-buffer" href="#footnote-speculative-auth" id="ref-speculative-auth-id2">
[
<!-- -->
1
<!-- -->
]
</a>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
security.authentication.mechanisms.MONGODB-X509.speculativeAuthenticate.received
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.security.authentication.mechanisms.MONGODB-X509.speculativeAuthenticate.received" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.security.authentication.mechanisms.MONGODB-X509.speculativeAuthenticate.received">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of speculative authentication attempts received using
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/security-x.509/#std-label-security-auth-x509">
x.509
</a>
. Includes both successful and
failed speculative authentication attempts.
<a class="footnote-reference header-buffer" href="#footnote-speculative-auth" id="ref-speculative-auth-id3">
[
<!-- -->
1
<!-- -->
]
</a>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
security.authentication.mechanisms.MONGODB-X509.speculativeAuthenticate.successful
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.security.authentication.mechanisms.MONGODB-X509.speculativeAuthenticate.successful" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.security.authentication.mechanisms.MONGODB-X509.speculativeAuthenticate.successful">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of successful speculative authentication attempts received
using x.509.
<a class="footnote-reference header-buffer" href="#footnote-speculative-auth" id="ref-speculative-auth-id4">
[
<!-- -->
1
<!-- -->
]
</a>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
security.authentication.mechanisms.MONGODB-X509.authenticate.received
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.security.authentication.mechanisms.MONGODB-X509.authenticate.received" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.security.authentication.mechanisms.MONGODB-X509.authenticate.received">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of successful and failed authentication attempts
received using x.509. This value includes speculative
authentication attempts received using x.509.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
security.authentication.mechanisms.MONGODB-X509.authenticate.successful
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.security.authentication.mechanisms.MONGODB-X509.authenticate.successful" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.security.authentication.mechanisms.MONGODB-X509.authenticate.successful">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of successful authentication attempts received using
x.508. This value includes successful speculative authentication
attempts which used x.509.
</p>
</dd>
</dl>
<table class="header-buffer leafygreen-ui-rbqgrl" frame="void" id="footnote-speculative-auth" rules="none">
<colgroup>
<col/>
</colgroup>
<tbody valign="top">
<tr>
<td class="leafygreen-ui-17r2xs0">
[
<!-- -->
1
<!-- -->
]
</td>
<td class="leafygreen-ui-17r2xs0">
<em>
(
<a href="#ref-speculative-auth-id1">
1
</a>
,
<a href="#ref-speculative-auth-id2">
2
</a>
,
<a href="#ref-speculative-auth-id3">
3
</a>
,
<a href="#ref-speculative-auth-id4">
4
</a>
)
</em>
<!-- -->
Speculative authentication minimizes the number of network round
trips during the authentication process to optimize performance.
</td>
</tr>
</tbody>
</table>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
security.SSLServerSubjectName
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.security.SSLServerSubjectName" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.security.SSLServerSubjectName">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The subject name associated with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
/
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance's TLS/SSL
certificate.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
security.SSLServerHasCertificateAuthority
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.security.SSLServerHasCertificateAuthority" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.security.SSLServerHasCertificateAuthority">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A boolean that is:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
true
</code>
when the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
/
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance's TLS/SSL certificate is associated with a certificate
authority.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
false
</code>
when the TLS/SSL certificate is self-signed.
</p>
</li>
</ul>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
security.SSLServerCertificateExpirationDate
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.security.SSLServerCertificateExpirationDate" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.security.SSLServerCertificateExpirationDate">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The expiration date and time of the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
/
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance's TLS/SSL
certificate.
</p>
</dd>
</dl>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-sharding">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
sharding
<a class="headerlink leafygreen-ui-1kepx47" href="#sharding" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="sharding">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n configsvrConnectionString : 'csRS/cfg1.example.net:27019,cfg2.example.net:27019,cfg2.example.net:27019',\n lastSeenConfigServerOpTime : {\n ts : <timestamp>,\n t : Long(\"<num>\")\n },\n maxChunkSizeInBytes : Long(\"<num>\")\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->configsvrConnectionString <!-- -->: <span class="lg-highlight-string">'csRS/cfg1.example.net:27019,cfg2.example.net:27019,cfg2.example.net:27019'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->lastSeenConfigServerOpTime <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->ts <!-- -->: <<!-- -->timestamp<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->t <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->maxChunkSizeInBytes <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
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</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
sharding
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.sharding" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.sharding">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document with data regarding the sharded cluster. The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.sharding.lastSeenConfigServerOpTime" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
lastSeenConfigServerOpTime
</code>
</span>
</a>
is present only
for a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
or a shard member, not for a config
server.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
sharding.configsvrConnectionString
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.sharding.configsvrConnectionString" title="Permalink to this definition">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.sharding.configsvrConnectionString">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The connection string for the config servers.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
sharding.lastSeenConfigServerOpTime
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.sharding.lastSeenConfigServerOpTime" title="Permalink to this definition">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.sharding.lastSeenConfigServerOpTime">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The latest optime of the CSRS primary that the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#std-program-mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
or
the shard member has seen. The optime document includes:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
ts
</code>
, the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/bson-types/#std-label-document-bson-type-timestamp">
Timestamp
</a>
of
the operation.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
t
</code>
, the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/replSetGetStatus/#mongodb-data-replSetGetStatus.term">
<code class="leafygreen-ui-1l06pbn">
term
</code>
</a>
in which the
operation was originally generated on the primary.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.sharding.lastSeenConfigServerOpTime" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
lastSeenConfigServerOpTime
</code>
</span>
</a>
is present
only if the sharded cluster uses CSRS.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
sharding.maxChunkSizeInBytes
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.sharding.maxChunkSizeInBytes" title="Permalink to this definition">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.sharding.maxChunkSizeInBytes">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The maximum
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-data-partitioning/#std-label-sharding-chunk-size">
size limit
</a>
for a range to
migrate. If this value has been updated recently on the config
server, the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.sharding.maxChunkSizeInBytes" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
maxChunkSizeInBytes
</code>
</span>
</a>
may not
reflect the most recent value.
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-sharding-statistics">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
shardingStatistics
<a class="headerlink leafygreen-ui-1kepx47" href="#shardingstatistics" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="shardingstatistics">
</div>
</a>
</h3>
<div aria-hidden="true">
</div>
<div class="leafygreen-ui-1b75luy" data-lgid="lg-tabs">
<div class="leafygreen-ui-jp7pox" id="tabs-530">
<div aria-label="Tabs to describe usage of mongos/shard" aria-orientation="horizontal" class="leafygreen-ui-m8p1vb lg-ui-tab-list-0000" data-lgid="lg-tabs-tab_list" role="tablist">
<button aria-controls="_3nuibxvo6" aria-selected="true" class="leafygreen-ui-1l773z1" data-text="" id="_i6agjk8vq" name="" role="tab" tabindex="0">
<div class="leafygreen-ui-1nxuzmg">
Shard
</div>
</button>
<button aria-controls="_x92ydojvq" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_mpkoo2rnw" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
mongos
</div>
</button>
</div>
<div class="leafygreen-ui-ov1ktg">
<div class="leafygreen-ui-1sg2lsz">
</div>
</div>
</div>
<div class="lg-ui-tab-panels-0000" data-lgid="lg-tabs-tab_panels">
<div>
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<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
When run on a member of a shard:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"shardingStatistics : {\n countStaleConfigErrors : Long(\"<num>\"),\n countDonorMoveChunkStarted : Long(\"<num>\"),\n countDonorMoveChunkCommitted : Long(\"<num>\"),\n countDonorMoveChunkAborted : Long(\"<num>\"),\n totalDonorMoveChunkTimeMillis : Long(\"<num>\"),\n totalDonorChunkCloneTimeMillis : Long(\"<num>\"),\n totalCriticalSectionCommitTimeMillis : Long(\"<num>\"),\n totalCriticalSectionTimeMillis : Long(\"<num>\"),\n countDocsClonedOnRecipient : Long(\"<num>\"),\n countBytesClonedOnRecipient : Long(\"<num>\"),\n countDocsClonedOnCatchUpOnRecipient : Long(\"<num>\"),\n countBytesClonedOnCatchUpOnRecipient : Long(\"<num>\"),\n countDocsClonedOnDonor : Long(\"<num>\"),\n countRecipientMoveChunkStarted : Long(\"<num>\"),\n countDocsDeletedByRangeDeleter : Long(\"<num>\"),\n countDonorMoveChunkLockTimeout : Long(\"<num>\"),\n unfinishedMigrationFromPreviousPrimary : Long(\"<num>\"),\n chunkMigrationConcurrency : Long(\"<num>\"),\n countTransitionToDedicatedConfigServerStarted : Long(\"<num>\"), // Added in MongoDB 8.0\n countTransitionToDedicatedConfigServerCompleted : Long(\"<num>\"), // Added in MongoDB 8.0\n countTransitionFromDedicatedConfigServerCompleted : Long(\"<num>\"), // Added in MongoDB 8.0\n catalogCache : {\n numDatabaseEntries : Long(\"<num>\"),\n numCollectionEntries : Long(\"<num>\"),\n countStaleConfigErrors : Long(\"<num>\"),\n totalRefreshWaitTimeMicros : Long(\"<num>\"),\n numActiveIncrementalRefreshes : Long(\"<num>\"),\n countIncrementalRefreshesStarted : Long(\"<num>\"),\n numActiveFullRefreshes : Long(\"<num>\"),\n countFullRefreshesStarted : Long(\"<num>\"),\n countFailedRefreshes : Long(\"<num>\")\n },\n rangeDeleterTasks : <num>,\n configServerInShardCache : <boolean>, // Added in MongoDB 8.0\n resharding : {\n countStarted : Long(\"1\"),\n countSucceeded : Long(\"1\"),\n countFailed : Long(\"0\"),\n countCanceled : Long(\"0\"),\n lastOpEndingChunkImbalance : Long(\"0\"),\n active : {\n documentsCopied : Long(\"0\"),\n bytesCopied : Long(\"0\"),\n countWritesToStashCollections : Long(\"0\"),\n countWritesDuringCriticalSection : Long(\"0\"),\n countReadsDuringCriticalSection : Long(\"0\"),\n oplogEntriesFetched : Long(\"0\"),\n oplogEntriesApplied : Long(\"0\"),\n insertsApplied : Long(\"0\"),\n updatesApplied : Long(\"0\"),\n deletesApplied : Long(\"0\")\n },\n oldestActive : {\n coordinatorAllShardsHighestRemainingOperationTimeEstimatedMillis : Long(\"0\"),\n coordinatorAllShardsLowestRemainingOperationTimeEstimatedMillis : Long(\"0\"),\n recipientRemainingOperationTimeEstimatedMillis : Long(\"0\")\n },\n latencies : {\n collectionCloningTotalRemoteBatchRetrievalTimeMillis : Long(\"0\"),\n collectionCloningTotalRemoteBatchesRetrieved : Long(\"0\"),\n collectionCloningTotalLocalInsertTimeMillis : Long(\"0\"),\n collectionCloningTotalLocalInserts : Long(\"0\"),\n oplogFetchingTotalRemoteBatchRetrievalTimeMillis : Long(\"0\"),\n oplogFetchingTotalRemoteBatchesRetrieved : Long(\"0\"),\n oplogFetchingTotalLocalInsertTimeMillis : Long(\"0\"),\n oplogFetchingTotalLocalInserts : Long(\"0\"),\n oplogApplyingTotalLocalBatchRetrievalTimeMillis : Long(\"0\"),\n oplogApplyingTotalLocalBatchesRetrieved : Long(\"0\"),\n oplogApplyingTotalLocalBatchApplyTimeMillis : Long(\"0\"),\n oplogApplyingTotalLocalBatchesApplied : Long(\"0\")\n },\n currentInSteps : {\n countInstancesInCoordinatorState1Initializing : Long(\"0\"),\n countInstancesInCoordinatorState2PreparingToDonate : Long(\"0\"),\n countInstancesInCoordinatorState3Cloning : Long(\"0\"),\n countInstancesInCoordinatorState4Applying : Long(\"0\"),\n countInstancesInCoordinatorState5BlockingWrites : Long(\"0\"),\n countInstancesInCoordinatorState6Aborting : Long(\"0\"),\n countInstancesInCoordinatorState7Committing : Long(\"-1\"),\n countInstancesInRecipientState1AwaitingFetchTimestamp : Long(\"0\"),\n countInstancesInRecipientState2CreatingCollection : Long(\"0\"),\n countInstancesInRecipientState3Cloning : Long(\"0\"),\n countInstancesInRecipientState4Applying : Long(\"0\"),\n countInstancesInRecipientState5Error : Long(\"0\"),\n countInstancesInRecipientState6StrictConsistency : Long(\"0\"),\n countInstancesInRecipientState7Done : Long(\"0\"),\n countInstancesInDonorState1PreparingToDonate : Long(\"0\"),\n countInstancesInDonorState2DonatingInitialData : Long(\"0\"),\n countInstancesInDonorState3DonatingOplogEntries : Long(\"0\"),\n countInstancesInDonorState4PreparingToBlockWrites : Long(\"0\"),\n countInstancesInDonorState5Error : Long(\"0\"),\n countInstancesInDonorState6BlockingWrites : Long(\"0\"),\n countInstancesInDonorState7Done : Long(\"0\")\n }\n }\n }\n},","programmingLanguage":"JavaScript"}
</script>
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<div class="leafygreen-ui-196mwvg">
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">shardingStatistics <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countStaleConfigErrors <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countDonorMoveChunkStarted <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countDonorMoveChunkCommitted <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countDonorMoveChunkAborted <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->totalDonorMoveChunkTimeMillis <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->totalDonorChunkCloneTimeMillis <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->totalCriticalSectionCommitTimeMillis <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->totalCriticalSectionTimeMillis <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countDocsClonedOnRecipient <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countBytesClonedOnRecipient <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countDocsClonedOnCatchUpOnRecipient <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countBytesClonedOnCatchUpOnRecipient <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countDocsClonedOnDonor <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countRecipientMoveChunkStarted <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countDocsDeletedByRangeDeleter <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countDonorMoveChunkLockTimeout <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->unfinishedMigrationFromPreviousPrimary <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->chunkMigrationConcurrency <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countTransitionToDedicatedConfigServerStarted <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->, <span class="lg-highlight-comment">// Added in MongoDB 8.0</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countTransitionToDedicatedConfigServerCompleted <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->, <span class="lg-highlight-comment">// Added in MongoDB 8.0</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countTransitionFromDedicatedConfigServerCompleted <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->, <span class="lg-highlight-comment">// Added in MongoDB 8.0</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->catalogCache <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->numDatabaseEntries <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->numCollectionEntries <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countStaleConfigErrors <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->totalRefreshWaitTimeMicros <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->numActiveIncrementalRefreshes <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countIncrementalRefreshesStarted <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->numActiveFullRefreshes <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countFullRefreshesStarted <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countFailedRefreshes <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->rangeDeleterTasks <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->configServerInShardCache <!-- -->: <<!-- -->boolean<!-- -->><!-- -->,<!-- --> <span class="lg-highlight-comment">// Added in MongoDB 8.0</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->resharding <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countStarted <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"1"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countSucceeded <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"1"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countFailed <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countCanceled <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->lastOpEndingChunkImbalance <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->active <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->documentsCopied <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->bytesCopied <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countWritesToStashCollections <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countWritesDuringCriticalSection <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countReadsDuringCriticalSection <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->oplogEntriesFetched <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->oplogEntriesApplied <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->insertsApplied <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->updatesApplied <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->deletesApplied <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->oldestActive <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->coordinatorAllShardsHighestRemainingOperationTimeEstimatedMillis <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->coordinatorAllShardsLowestRemainingOperationTimeEstimatedMillis <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->recipientRemainingOperationTimeEstimatedMillis <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->latencies <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->collectionCloningTotalRemoteBatchRetrievalTimeMillis <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->collectionCloningTotalRemoteBatchesRetrieved <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->collectionCloningTotalLocalInsertTimeMillis <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->collectionCloningTotalLocalInserts <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->oplogFetchingTotalRemoteBatchRetrievalTimeMillis <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->oplogFetchingTotalRemoteBatchesRetrieved <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->oplogFetchingTotalLocalInsertTimeMillis <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->oplogFetchingTotalLocalInserts <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->oplogApplyingTotalLocalBatchRetrievalTimeMillis <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->oplogApplyingTotalLocalBatchesRetrieved <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->oplogApplyingTotalLocalBatchApplyTimeMillis <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->oplogApplyingTotalLocalBatchesApplied <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->currentInSteps <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countInstancesInCoordinatorState1Initializing <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countInstancesInCoordinatorState2PreparingToDonate <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countInstancesInCoordinatorState3Cloning <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countInstancesInCoordinatorState4Applying <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countInstancesInCoordinatorState5BlockingWrites <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countInstancesInCoordinatorState6Aborting <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countInstancesInCoordinatorState7Committing <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"-1"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countInstancesInRecipientState1AwaitingFetchTimestamp <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countInstancesInRecipientState2CreatingCollection <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countInstancesInRecipientState3Cloning <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countInstancesInRecipientState4Applying <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countInstancesInRecipientState5Error <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countInstancesInRecipientState6StrictConsistency <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countInstancesInRecipientState7Done <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countInstancesInDonorState1PreparingToDonate <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countInstancesInDonorState2DonatingInitialData <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countInstancesInDonorState3DonatingOplogEntries <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countInstancesInDonorState4PreparingToBlockWrites <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countInstancesInDonorState5Error <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countInstancesInDonorState6BlockingWrites <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countInstancesInDonorState7Done <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr></tbody></table></code></pre>
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<p class="leafygreen-ui-1kp3ins">
When run on a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
:
</a>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"shardingStatistics : {\n numHostsTargeted: {\n find : {\n allShards: Long(\"<num>\"),\n manyShards: Long(\"<num>\"),\n oneShard: Long(\"<num>\"),\n unsharded: Long(\"<num>\")\n },\n insert: {\n allShards: Long(\"<num>\"),\n manyShards: Long(\"<num>\"),\n oneShard: Long(\"<num>\"),\n unsharded: Long(\"<num>\")\n },\n update: {\n allShards: Long(\"<num>\"),\n manyShards: Long(\"<num>\"),\n oneShard: Long(\"<num>\"),\n unsharded: Long(\"<num>\")\n },\n delete: {\n allShards: Long(\"<num>\"),\n manyShards: Long(\"<num>\"),\n oneShard: Long(\"<num>\"),\n unsharded: Long(\"<num>\")\n },\n aggregate: {\n allShards: Long(\"<num>\"),\n manyShards: Long(\"<num>\"),\n oneShard: Long(\"<num>\"),\n unsharded: Long(\"<num>\")\n }\n }\n },\n catalogCache : {\n numDatabaseEntries : Long(\"<num>\"),\n numCollectionEntries : Long(\"<num>\"),\n countStaleConfigErrors : Long(\"<num>\"),\n totalRefreshWaitTimeMicros : Long(\"<num>\"),\n numActiveIncrementalRefreshes : Long(\"<num>\"),\n countIncrementalRefreshesStarted : Long(\"<num>\"),\n numActiveFullRefreshes : Long(\"<num>\"),\n countFullRefreshesStarted : Long(\"<num>\"),\n countFailedRefreshes : Long(\"<num>\")\n },\n configServerInShardCache : <boolean> // Added in MongoDB 8.0\n}","programmingLanguage":"JavaScript"}
</script>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">shardingStatistics <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numHostsTargeted</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->find <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">allShards</span>: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">manyShards</span>: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">oneShard</span>: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">unsharded</span>: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">insert</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">allShards</span>: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">manyShards</span>: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">oneShard</span>: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">unsharded</span>: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">update</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">allShards</span>: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">manyShards</span>: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">oneShard</span>: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">unsharded</span>: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">delete</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">allShards</span>: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">manyShards</span>: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">oneShard</span>: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">unsharded</span>: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">aggregate</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">allShards</span>: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">manyShards</span>: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">oneShard</span>: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">unsharded</span>: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->catalogCache <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->numDatabaseEntries <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->numCollectionEntries <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countStaleConfigErrors <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->totalRefreshWaitTimeMicros <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->numActiveIncrementalRefreshes <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countIncrementalRefreshesStarted <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->numActiveFullRefreshes <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countFullRefreshesStarted <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->countFailedRefreshes <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->configServerInShardCache <!-- -->: <<!-- -->boolean<!-- -->> <span class="lg-highlight-comment">// Added in MongoDB 8.0</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document which contains metrics on metadata refresh on sharded
clusters.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.countStaleConfigErrors
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.countStaleConfigErrors" title="Permalink to this definition">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.countStaleConfigErrors">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of times that threads hit stale config exception.
Since a stale config exception triggers a refresh of the metadata,
this number is roughly proportional to the number of metadata
refreshes.
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Only present when run on a shard.
</em>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.countDonorMoveChunkStarted
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.countDonorMoveChunkStarted" title="Permalink to this definition">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.countDonorMoveChunkStarted">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of times that MongoDB starts the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/moveChunk/#mongodb-dbcommand-dbcmd.moveChunk">
<code class="leafygreen-ui-1l06pbn">
moveChunk
</code>
</a>
command or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/moveRange/#mongodb-dbcommand-dbcmd.moveRange">
<code class="leafygreen-ui-1l06pbn">
moveRange
</code>
</a>
command on
the primary node of the shard as part of the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-balancer-administration/#std-label-range-migration-procedure">
range migration
procedure
</a>
. This increasing number does not
consider whether the chunk migrations succeed or not.
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Only present when run on a shard.
</em>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.countDonorMoveChunkCommitted
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.countDonorMoveChunkCommitted" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.countDonorMoveChunkCommitted">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of chunk migrations that MongoDB commits on the
primary node of the shard.
</p>
<p class="leafygreen-ui-1kp3ins">
The chunk migration is performed by
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/moveChunk/#mongodb-dbcommand-dbcmd.moveChunk">
<code class="leafygreen-ui-1l06pbn">
moveChunk
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/moveRange/#mongodb-dbcommand-dbcmd.moveRange">
<code class="leafygreen-ui-1l06pbn">
moveRange
</code>
</a>
commands in a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-balancer-administration/#std-label-range-migration-procedure">
range migration procedure
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Only available on a shard.
</em>
</p>
<p class="leafygreen-ui-1kp3ins">
Available starting in MongoDB 7.1 (and 7.0, 6.3.2, 6.0.6, and 5.0.18).
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.countDonorMoveChunkAborted
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.countDonorMoveChunkAborted" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.countDonorMoveChunkAborted">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of chunk migrations that MongoDB aborts on the
primary node of the shard.
</p>
<p class="leafygreen-ui-1kp3ins">
The chunk migration is performed by
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/moveChunk/#mongodb-dbcommand-dbcmd.moveChunk">
<code class="leafygreen-ui-1l06pbn">
moveChunk
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/moveRange/#mongodb-dbcommand-dbcmd.moveRange">
<code class="leafygreen-ui-1l06pbn">
moveRange
</code>
</a>
commands in a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-balancer-administration/#std-label-range-migration-procedure">
range migration procedure
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Only available on a shard.
</em>
</p>
<p class="leafygreen-ui-1kp3ins">
Available starting in MongoDB 7.1 (and 7.0, 6.3.2, 6.0.6, and 5.0.18).
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.totalDonorMoveChunkTimeMillis
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.totalDonorMoveChunkTimeMillis" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.totalDonorMoveChunkTimeMillis">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Cumulative time in milliseconds to move chunks from the current shard
to another shard. For each chunk migration, the time starts when a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/moveRange/#mongodb-dbcommand-dbcmd.moveRange">
<code class="leafygreen-ui-1l06pbn">
moveRange
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/moveChunk/#mongodb-dbcommand-dbcmd.moveChunk">
<code class="leafygreen-ui-1l06pbn">
moveChunk
</code>
</a>
command starts, and
ends when the chunk is moved to another shard in a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-balancer-administration/#std-label-range-migration-procedure">
range
migration procedure
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Only available on a shard.
</em>
</p>
<p class="leafygreen-ui-1kp3ins">
Available starting in MongoDB 7.1 (and 7.0, 6.3.2, 6.0.6, and 5.0.18).
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.totalDonorChunkCloneTimeMillis
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.totalDonorChunkCloneTimeMillis" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.totalDonorChunkCloneTimeMillis">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The cumulative time, in milliseconds, that the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-balancer-administration/#std-label-range-migration-procedure">
clone phase of
the range migration procedure
</a>
takes on
the primary node of the shard. Specifically, for each migration on
this shard, the tracked time starts with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/moveRange/#mongodb-dbcommand-dbcmd.moveRange">
<code class="leafygreen-ui-1l06pbn">
moveRange
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/moveChunk/#mongodb-dbcommand-dbcmd.moveChunk">
<code class="leafygreen-ui-1l06pbn">
moveChunk
</code>
</a>
commands and ends before the destination
shard enters a
<code class="leafygreen-ui-1l06pbn">
catchup
</code>
phase to apply changes that occurred
during the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-balancer-administration/#std-label-range-migration-procedure">
range migration procedure
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Only present when run on a shard.
</em>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.totalCriticalSectionCommitTimeMillis
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.totalCriticalSectionCommitTimeMillis" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.totalCriticalSectionCommitTimeMillis">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The cumulative time, in milliseconds, that the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-balancer-administration/#std-label-range-migration-procedure">
update metadata
phase of the range migrations procedure
</a>
takes on the primary node of the shard. During the update metadata
phase, MongoDB blocks all operations on the collection.
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Only present when run on a shard.
</em>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.totalCriticalSectionTimeMillis
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.totalCriticalSectionTimeMillis" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.totalCriticalSectionTimeMillis">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The cumulative time, in milliseconds, that the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-balancer-administration/#std-label-range-migration-procedure">
catch-up
phase and the update metadata phase of the range migration procedure
</a>
takes on the primary node of the shard.
</p>
<p class="leafygreen-ui-1kp3ins">
To calculate the duration of the catch-up phase, subtract
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.shardingStatistics.totalCriticalSectionCommitTimeMillis" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
totalCriticalSectionCommitTimeMillis
</code>
</span>
</a>
from
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.shardingStatistics.totalCriticalSectionTimeMillis" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
totalCriticalSectionTimeMillis
</code>
:
</span>
</a>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"totalCriticalSectionTimeMillis - totalCriticalSectionCommitTimeMillis"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">totalCriticalSectionTimeMillis - totalCriticalSectionCommitTimeMillis</td></tr></tbody></table></code></pre>
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<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</div>
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</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
<em>
Only present when run on a shard.
</em>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.countDocsClonedOnRecipient
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.countDocsClonedOnRecipient" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.countDocsClonedOnRecipient">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The cumulative, always-increasing count of documents that MongoDB
clones on the primary node of the recipient shard.
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Only present when run on a shard.
</em>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.countBytesClonedOnRecipient
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.countBytesClonedOnRecipient" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.countBytesClonedOnRecipient">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The cumulative number of bytes that MongoDB clones on the primary
node of the recipient shard during the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-balancer-administration/#std-label-range-migration-procedure">
range migration procedure
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
For details about data synchronization, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/replica-set-sync/#std-label-replica-set-sync">
Replica Set Data Synchronization
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Only available on a shard.
</em>
</p>
<p class="leafygreen-ui-1kp3ins">
Available starting in MongoDB 7.1 (and 7.0, 6.3.2, 6.0.6, and 5.0.18).
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.countDocsClonedOnCatchUpOnRecipient
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.countDocsClonedOnCatchUpOnRecipient" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.countDocsClonedOnCatchUpOnRecipient">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The cumulative number of documents that MongoDB clones on the primary
node of the recipient shard during the catch-up phase of the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-balancer-administration/#std-label-range-migration-procedure">
range migration procedure
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
For details about data synchronization, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/replica-set-sync/#std-label-replica-set-sync">
Replica Set Data Synchronization
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Only available on a shard.
</em>
</p>
<p class="leafygreen-ui-1kp3ins">
Available starting in MongoDB 7.1 (and 7.0, 6.3.2, 6.0.6, and 5.0.18).
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.countBytesClonedOnCatchUpOnRecipient
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.countBytesClonedOnCatchUpOnRecipient" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.countBytesClonedOnCatchUpOnRecipient">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The cumulative number of bytes that MongoDB clones on the primary
node of the recipient shard during the catch-up phase of the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-balancer-administration/#std-label-range-migration-procedure">
range migration procedure
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
For details about data synchronization, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/replica-set-sync/#std-label-replica-set-sync">
Replica Set Data Synchronization
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Only available on a shard.
</em>
</p>
<p class="leafygreen-ui-1kp3ins">
Available starting in MongoDB 7.1 (and 7.0, 6.3.2, 6.0.6, and 5.0.18).
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.countDocsClonedOnDonor
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.countDocsClonedOnDonor" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.countDocsClonedOnDonor">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The cumulative, always-increasing count of documents that MongoDB
clones on the primary node of the donor shard.
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Only present when run on a shard.
</em>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.countRecipientMoveChunkStarted
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.countRecipientMoveChunkStarted" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.countRecipientMoveChunkStarted">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Cumulative, always-increasing count of chunks this member, acting as
the primary of the recipient shard, has started to receive (whether
the move has succeeded or not).
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Only present when run on a shard.
</em>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.countDocsDeletedByRangeDeleter
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.countDocsDeletedByRangeDeleter" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.countDocsDeletedByRangeDeleter">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The cumulative, always-increasing count of documents that MongoDB
deletes on the primary node of the donor shard during chunk
migration.
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Only present when run on a shard.
</em>
</p>
<div>
<p>
<em>
Changed
<!-- -->
in version
<!-- -->
7.1
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.countDonorMoveChunkLockTimeout
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.countDonorMoveChunkLockTimeout" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.countDonorMoveChunkLockTimeout">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The cumulative, always-increasing count of chunk migrations that MongoDB
aborts on the primary node of the donor shard due to lock acquisition
timeouts.
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Only present when run on a shard.
</em>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.unfinishedMigrationFromPreviousPrimary
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.unfinishedMigrationFromPreviousPrimary" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.unfinishedMigrationFromPreviousPrimary">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of unfinished migrations left by the previous
primary after an election. This value is only updated after
the newly-elected
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
completes the transition to
primary.
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Only present when run on a shard.
</em>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.chunkMigrationConcurrency
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.chunkMigrationConcurrency" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.chunkMigrationConcurrency">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of threads on the source shard and the receiving shard for
performing
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/migrate-chunks-in-sharded-cluster/#std-label-migrate-chunks-sharded-cluster">
chunk migration
</a>
operations.
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Only present when run on a shard.
</em>
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Available starting in MongoDB 6.3 (and 5.0.15).
</em>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.catalogCache
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.catalogCache" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.catalogCache">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document with statistics about the cluster's routing information cache.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.catalogCache.numDatabaseEntries
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.catalogCache.numDatabaseEntries" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.catalogCache.numDatabaseEntries">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of database entries that are currently in the
catalog cache.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.catalogCache.numCollectionEntries
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.catalogCache.numCollectionEntries" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.catalogCache.numCollectionEntries">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of collection entries (across all databases) that
are currently in the catalog cache.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.catalogCache.countStaleConfigErrors
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.catalogCache.countStaleConfigErrors" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.catalogCache.countStaleConfigErrors">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of times that threads hit stale config exception. A
stale config exception triggers a refresh of the metadata.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.catalogCache.totalRefreshWaitTimeMicros
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.catalogCache.totalRefreshWaitTimeMicros" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.catalogCache.totalRefreshWaitTimeMicros">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The cumulative time, in microseconds, that threads had to wait for a
refresh of the metadata.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.catalogCache.numActiveIncrementalRefreshes
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.catalogCache.numActiveIncrementalRefreshes" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.catalogCache.numActiveIncrementalRefreshes">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of incremental catalog cache refreshes that are currently
waiting to complete.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.countIncrementalRefreshesStarted
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.countIncrementalRefreshesStarted" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.countIncrementalRefreshesStarted">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The cumulative number of incremental refreshes that have started.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.catalogCache.numActiveFullRefreshes
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.catalogCache.numActiveFullRefreshes" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.catalogCache.numActiveFullRefreshes">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of full catalog cache refreshes that are currently
waiting to complete.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.catalogCache.countFullRefreshesStarted
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.catalogCache.countFullRefreshesStarted" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.catalogCache.countFullRefreshesStarted">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The cumulative number of full refreshes that have started.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.catalogCache.countFailedRefreshes
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.catalogCache.countFailedRefreshes" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.catalogCache.countFailedRefreshes">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The cumulative number of full or incremental refreshes that have failed.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.countTransitionToDedicatedConfigServerStarted
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.countTransitionToDedicatedConfigServerStarted" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.countTransitionToDedicatedConfigServerStarted">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of times the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/transitionToDedicatedConfigServer/#mongodb-dbcommand-dbcmd.transitionToDedicatedConfigServer">
<code class="leafygreen-ui-1l06pbn">
transitionToDedicatedConfigServer
</code>
</a>
command
has started.
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Only present when run on a config server node.
</em>
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.countTransitionToDedicatedConfigServerCompleted
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.countTransitionToDedicatedConfigServerCompleted" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.countTransitionToDedicatedConfigServerCompleted">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of times the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/transitionToDedicatedConfigServer/#mongodb-dbcommand-dbcmd.transitionToDedicatedConfigServer">
<code class="leafygreen-ui-1l06pbn">
transitionToDedicatedConfigServer
</code>
</a>
command
has finished.
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Only present when run on a config server node.
</em>
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.countTransitionFromDedicatedConfigServerCompleted
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.countTransitionFromDedicatedConfigServerCompleted" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.countTransitionFromDedicatedConfigServerCompleted">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of times the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/transitionFromDedicatedConfigServer/#mongodb-dbcommand-dbcmd.transitionFromDedicatedConfigServer">
<code class="leafygreen-ui-1l06pbn">
transitionFromDedicatedConfigServer
</code>
</a>
command
has finished.
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Only present when run on a config server node.
</em>
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.rangeDeleterTasks
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.rangeDeleterTasks" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.rangeDeleterTasks">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The current total of the queued chunk range deletion tasks that are
ready to run or are running as part of the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-balancer-administration/#std-label-range-migration-procedure">
range migration
procedure
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
Inspect the documents in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/config-database/#mongodb-data-config.rangeDeletions">
<code class="leafygreen-ui-1l06pbn">
config.rangeDeletions
</code>
</a>
collection
for information about the chunk ranges pending deletion from a shard
after a chunk migration.
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Only present when run on a shard member.
</em>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.configServerInShardCache
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.configServerInShardCache" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.configServerInShardCache">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A boolean that indicates whether the config server is a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-config-shard">
config shard
</a>
.
This value periodically refreshes, so the value of
<code class="leafygreen-ui-1l06pbn">
configServerInShardCache
</code>
might be stale for up to approximately one
minute in a healthy cluster. If the node can't communicate with the config
server,
<code class="leafygreen-ui-1l06pbn">
configServerInShardCache
</code>
may remain stale for a longer period.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document with statistics about
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-reshard-a-collection/#std-label-sharding-resharding">
resharding operations
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
Each shard returns its own resharding operation statistics. If a
shard is not involved in a resharding operation, then that shard will
not contain statistics about the resharding operation.
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Only present when run on a shard or config server.
</em>
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.countStarted
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.countStarted" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.countStarted">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The sum of
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.countSucceeded" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
countSucceeded
</code>
</span>
</a>
,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.countFailed" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
countFailed
</code>
</span>
</a>
,
and
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.countCanceled" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
countCanceled
</code>
</span>
</a>
.
The sum is further incremented by
<code class="leafygreen-ui-1l06pbn">
1
</code>
if a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-reshard-a-collection/#std-label-sharding-resharding">
resharding
operation
</a>
has started but has not yet
completed. Sum is set to 0 when
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
is started or
restarted.
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Only present when run on a shard or config server.
</em>
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.countSucceeded
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.countSucceeded" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.countSucceeded">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of successful
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-reshard-a-collection/#std-label-sharding-resharding">
resharding operations
</a>
. Number is set to 0 when
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
is started or restarted.
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Only present when run on a shard or config server.
</em>
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.countFailed
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.countFailed" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.countFailed">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of failed
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-reshard-a-collection/#std-label-sharding-resharding">
resharding operations
</a>
.
Number is set to 0 when
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
is started or
restarted.
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Only present when run on a shard or config server.
</em>
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.countCanceled
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.countCanceled" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.countCanceled">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of canceled
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-reshard-a-collection/#std-label-sharding-resharding">
resharding operations
</a>
. Number is set to 0 when
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
is started or restarted.
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Only present when run on a shard or config server.
</em>
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.active.resharding.documentsCopied
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.active.resharding.documentsCopied" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.active.resharding.documentsCopied">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of documents copied from donor shards to recipient shards for
the current
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-reshard-a-collection/#std-label-sharding-resharding">
resharding operation
</a>
. Number
is set to 0 when a new resharding operation starts.
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Only present when run on a shard or config server. Returns 0 on a
config server.
</em>
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
<em>
Updated in version 6.1
</em>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.active.bytesCopied
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.active.bytesCopied" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.active.bytesCopied">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of bytes copied from donor shards to recipient shards for the
current
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-reshard-a-collection/#std-label-sharding-resharding">
resharding operation
</a>
. Number is
set to 0 when a new resharding operation starts.
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Only present when run on a shard or config server. Returns 0 on a
config server.
</em>
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
<em>
Updated in version 6.1
</em>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.active.countWritesToStashCollections
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.active.countWritesToStashCollections" title="Permalink to this definition">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.active.countWritesToStashCollections">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
During resharding, the number of writes to the recipient stash
collections.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.1
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.active.countWritesDuringCriticalSection
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.active.countWritesDuringCriticalSection" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.active.countWritesDuringCriticalSection">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of writes perfomed in the critical section for the current
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-reshard-a-collection/#std-label-sharding-resharding">
resharding operation
</a>
. The critical
section prevents new incoming writes to the collection currently
being resharded. Number is set to 0 when a new resharding operation
starts.
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Only present when run on a shard or config server. Returns 0 on a
config server.
</em>
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
<em>
Updated in version 6.1
</em>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.active.countReadsDuringCriticalSection
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.active.countReadsDuringCriticalSection" title="Permalink to this definition">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.active.countReadsDuringCriticalSection">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
During resharding, the number of reads attempted during the donor's
critical section.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.1
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.active.oplogEntriesFetched
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.active.oplogEntriesFetched" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.active.oplogEntriesFetched">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of entries fetched from the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-oplog">
oplog
</a>
for the current
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-reshard-a-collection/#std-label-sharding-resharding">
resharding operation
</a>
. Number is set to 0
when a new resharding operation starts.
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Only present when run on a shard or config server. Returns 0 on a
config server.
</em>
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Updated in version 6.1
</em>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.active.oplogEntriesApplied
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.active.oplogEntriesApplied" title="Permalink to this definition">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.active.oplogEntriesApplied">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of entries applied to the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-oplog">
oplog
</a>
for the current
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-reshard-a-collection/#std-label-sharding-resharding">
resharding operation
</a>
. Number is set to 0
when a new resharding operation starts.
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Only present when run on a shard or config server. Returns 0 on a
config server.
</em>
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
<em>
Updated in version 6.1
</em>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.active.insertsApplied
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.active.insertsApplied" title="Permalink to this definition">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.active.insertsApplied">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of insert operations applied during resharding.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.1
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.active.updatesApplied
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.active.updatesApplied" title="Permalink to this definition">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.active.updatesApplied">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of update operations applied during resharding.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.1
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.active.deletesApplied
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.active.deletesApplied" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.active.deletesApplied">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The total number of delete operations applied during resharding.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.1
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.oldestActive.coordinatorAllShardsHighestRemainingOperationTimeEstimatedMillis
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.oldestActive.coordinatorAllShardsHighestRemainingOperationTimeEstimatedMillis" title="Permalink to this definition">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.oldestActive.coordinatorAllShardsHighestRemainingOperationTimeEstimatedMillis">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Calculated across all shards, the highest estimate of the number of
seconds remaining. If the time estimate cannot be computed, the
value is set to -1.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.1
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.oldestActive.coordinatorAllShardsLowestRemainingOperationTimeEstimatedMillis
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.oldestActive.coordinatorAllShardsLowestRemainingOperationTimeEstimatedMillis" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.oldestActive.coordinatorAllShardsLowestRemainingOperationTimeEstimatedMillis">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Calculated across all shards, the lowest estimate of the number of
seconds remaining. If the time estimate cannot be computed, the
value is set to -1.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.1
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.oldestActive.recipientRemainingOperationTimeEstimatedMillis
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.oldestActive.recipientRemainingOperationTimeEstimatedMillis" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.oldestActive.recipientRemainingOperationTimeEstimatedMillis">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Estimated remaining time, in milliseconds, for the current resharding
operation. Prior to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-reshard-a-collection/#std-label-sharding-resharding">
resharding
</a>
, or when
the time cannot be calculated, the value is set to -1.
</p>
<p class="leafygreen-ui-1kp3ins">
If a shard is involved in multiple resharding operations, this field
contains the remaining time estimate for the oldest resharding
operation where this shard is a recipient.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.1
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.oldestActive.totalOperationTimeElapsedMillis
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.oldestActive.totalOperationTimeElapsedMillis" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.oldestActive.totalOperationTimeElapsedMillis">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Total elapsed time, in milliseconds, for the current
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-reshard-a-collection/#std-label-sharding-resharding">
resharding
operation
</a>
. Time is set to 0 when a new
resharding operation starts.
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Only present when run on a shard or config server. Returns 0 on a
config server.
</em>
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.latencies
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.latencies" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.latencies">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Timing metrics for resharding operations.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.1
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.latencies.collectionCloningTotalRemoteBatchRetrievalTimeMillis
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.latencies.collectionCloningTotalRemoteBatchRetrievalTimeMillis" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.latencies.collectionCloningTotalRemoteBatchRetrievalTimeMillis">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Total time recipients spent retrieving batches of documents from
donors, in milliseconds.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.1
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.latencies.collectionCloningTotalRemoteBatchesRetrieved
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.latencies.collectionCloningTotalRemoteBatchesRetrieved" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.latencies.collectionCloningTotalRemoteBatchesRetrieved">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Total number of batches of documents recipients retrieved from
donors.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.1
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.latencies.collectionCloningTotalLocalInsertTimeMillis
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.latencies.collectionCloningTotalLocalInsertTimeMillis" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.latencies.collectionCloningTotalLocalInsertTimeMillis">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Total time recipients spent inserting batches of documents from
donors, in milliseconds.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.1
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.latencies.collectionCloningTotalLocalInserts
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.latencies.collectionCloningTotalLocalInserts" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.latencies.collectionCloningTotalLocalInserts">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Total number of batches of documents from donors that recipients
inserted.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.1
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.latencies.oplogFetchingTotalRemoteBatchRetrievalTimeMillis
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.latencies.oplogFetchingTotalRemoteBatchRetrievalTimeMillis" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.latencies.oplogFetchingTotalRemoteBatchRetrievalTimeMillis">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Total time recipients spent retrieving batches of oplog entries from
donors, in milliseconds.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.1
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.latencies.oplogFetchingTotalRemoteBatchesRetrieved
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.latencies.oplogFetchingTotalRemoteBatchesRetrieved" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.latencies.oplogFetchingTotalRemoteBatchesRetrieved">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Total number of batches of oplog entries recipients retrieved from
donors.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.1
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.latencies.oplogFetchingTotalLocalInsertTimeMillis
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.latencies.oplogFetchingTotalLocalInsertTimeMillis" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.latencies.oplogFetchingTotalLocalInsertTimeMillis">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Total time recipients spent inserting batches of oplog entries from
donors, in milliseconds.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.1
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.latencies.oplogFetchingTotalLocalInserts
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.latencies.oplogFetchingTotalLocalInserts" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.latencies.oplogFetchingTotalLocalInserts">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Total number of batches of oplog entries from donors that recipients
inserted.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.1
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.latencies.oplogApplyingTotalLocalBatchRetrievalTimeMillis
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.latencies.oplogApplyingTotalLocalBatchRetrievalTimeMillis" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.latencies.oplogApplyingTotalLocalBatchRetrievalTimeMillis">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Total time recipients spent retrieving batches of oplog entries that
were inserted during fetching, in milliseconds.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.1
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.latencies.oplogApplyingTotalLocalBatchesRetrieved
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.latencies.oplogApplyingTotalLocalBatchesRetrieved" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.latencies.oplogApplyingTotalLocalBatchesRetrieved">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Total number of batches of oplog entries that were inserted during
fetching that recipients retrieved.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.1
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.latencies.oplogApplyingTotalLocalBatchApplyTimeMillis
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.latencies.oplogApplyingTotalLocalBatchApplyTimeMillis" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.latencies.oplogApplyingTotalLocalBatchApplyTimeMillis">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Total time recipients spent applying batches of oplog entries, in
milliseconds.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.1
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.latencies.oplogApplyingTotalLocalBatchesApplied
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.latencies.oplogApplyingTotalLocalBatchesApplied" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.latencies.oplogApplyingTotalLocalBatchesApplied">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Total number of batches of oplog entries that recipients applied.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.1
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.totalApplyTimeElapsedMillis
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.totalApplyTimeElapsedMillis" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.totalApplyTimeElapsedMillis">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Total elapsed time, in milliseconds, for the apply step of the
current
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-reshard-a-collection/#std-label-sharding-resharding">
resharding operation
</a>
. In the
apply step, recipient shards modify their data based on new incoming
writes from donor shards. Time is set to 0 when a new resharding
operation starts.
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Only present when run on a shard or config server. Returns 0 on a
config server.
</em>
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.totalCriticalSectionTimeElapsedMillis
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.totalCriticalSectionTimeElapsedMillis" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.totalCriticalSectionTimeElapsedMillis">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Total elapsed time, in milliseconds, for the critical section of the
current
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-reshard-a-collection/#std-label-sharding-resharding">
resharding operation
</a>
. The
critical section prevents new incoming writes to the collection
currently being resharded. Time is set to 0 when a new resharding
operation starts.
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Only present when run on a shard or config server. Returns 0 on a
config server.
</em>
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.donorState
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.donorState" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.donorState">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
State of the donor shard for the current
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-reshard-a-collection/#std-label-sharding-resharding">
resharding operation
</a>
. Number is set to 0 when a new
resharding operation starts.
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:15%"/>
<col style="width:20%"/>
<col style="width:40%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Number Returned
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Meaning
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
0
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
unused
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The shard is not a donor in the current resharding operation.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
preparing-to-donate
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The donor shard is preparing to donate data to the recipient
shards.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
2
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
donating-initial-data
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The donor shard is donating data to the recipient shards.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
3
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
donating-oplog-entries
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The donor shard is donating
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-oplog">
oplog
</a>
entries to the
recipient shards.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
4
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
preparing-to-block-writes
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The donor shard is about to prevent new incoming write
operations to the collection that is being resharded.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
5
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
error
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
An error occurred during the resharding operation.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
6
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
blocking-writes
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The donor shard is preventing new incoming write operations
and the donor shard has notified all recipient shards that new
incoming writes are prevented.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
7
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
done
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The donor shard has dropped the old sharded collection and the
resharding operation is complete.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<p class="leafygreen-ui-1kp3ins">
<em>
Only present when run on a shard or config server. Returns 0 on a
config server.
</em>
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.recipientState
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.recipientState" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.recipientState">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
State of the recipient shard for the current
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-reshard-a-collection/#std-label-sharding-resharding">
resharding
operation
</a>
. Number is set to 0 when a new
resharding operation starts.
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:15%"/>
<col style="width:20%"/>
<col style="width:40%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Number Returned
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Meaning
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
0
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
unused
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Shard is not a recipient in the current resharding operation.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
awaiting-fetch-timestamp
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The recipient shard is waiting for the donor shards to be
prepared to donate their data
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
2
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
creating-collection
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The recipient shard is creating the new sharded collection.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
3
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
cloning
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The recipient shard is receiving data from the donor shards.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
4
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
applying
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The recipient shard is applying
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-oplog">
oplog
</a>
entries to
modify its copy of the data based on the new incoming writes
from donor shards.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
5
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
error
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
An error occurred during the resharding operation.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
6
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
strict-consistency
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The recipient shard has all data changes stored in a temporary
collection.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
7
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
done
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The resharding operation is complete.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<p class="leafygreen-ui-1kp3ins">
<em>
Only present when run on a shard or config server. Returns 0 on a
config server.
</em>
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.numHostsTargeted
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.numHostsTargeted" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.numHostsTargeted">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Indicates the number of shards targeted for
<code class="leafygreen-ui-1l06pbn">
CRUD
</code>
operations and
aggregation commands. When a
<code class="leafygreen-ui-1l06pbn">
CRUD
</code>
operation or aggregation
command is run, the following metrics will be incremented.
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:40%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Name
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
allShards
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
A command targeted all shards
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
manyShards
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
A command targeted more than one shard
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
oneShard
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
A command targeted one shard
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
unsharded
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
A command was run on an unsharded collection
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Running the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.serverStatus" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
serverStatus
</code>
</span>
</a>
command on
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
will provide insight into the CRUD and aggregation operations that
run on a sharded cluster.
</p>
<p class="leafygreen-ui-1kp3ins">
Multi-shard operations can either be
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-choose-a-shard-key/#std-label-sharding-query-patterns">
scatter-gather
</a>
or shard specific. Multi-shard scatter-gather operations can
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-troubleshooting-shard-keys/#std-label-sharding-troubleshooting-scatter-gather">
consume more resources
</a>
.
By using the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.shardingStatistics.numHostsTargeted" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.numHostsTargeted
</code>
</span>
</a>
metrics you can tune the aggregation queries that run on a
sharded cluster.
</p>
</div>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.coordinatorState
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.coordinatorState" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.coordinatorState">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
State of the resharding coordinator for the current
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-reshard-a-collection/#std-label-sharding-resharding">
resharding
operation
</a>
. The resharding coordinator is a
thread that runs on the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharded-cluster-config-servers/#std-label-sharding-config-server">
config server
</a>
primary. Number is set to 0
when a new resharding operation starts.
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:15%"/>
<col style="width:20%"/>
<col style="width:40%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Number Returned
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Meaning
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
0
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
unused
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The shard is not the coordinator in the current resharding
operation.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
initializing
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The resharding coordinator has inserted the coordinator
document into
<code class="leafygreen-ui-1l06pbn">
config.reshardingOperations
</code>
and has added
the
<code class="leafygreen-ui-1l06pbn">
reshardingFields
</code>
to the
<code class="leafygreen-ui-1l06pbn">
config.collections
</code>
entry
for the original collection.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
2
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
preparing-to-donate
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
The resharding coordinator
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
has created a
<code class="leafygreen-ui-1l06pbn">
config.collections
</code>
entry for the temporary
resharding collection.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
has inserted entries into
<code class="leafygreen-ui-1l06pbn">
config.chunks
</code>
for ranges based
on the new shard key.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
has inserted entries into
<code class="leafygreen-ui-1l06pbn">
config.tags
</code>
for any zones
associated with the new shard key.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
The coordinator informs participant shards to begin the
resharding operation. The coordinator then waits until all
donor shards have picked a
<code class="leafygreen-ui-1l06pbn">
minFetchTimestamp
</code>
and are ready
to donate.
</p>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
3
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
cloning
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The resharding coordinator informs donor shards to donate data
to recipient shards. The coordinator waits for all recipients
to finish cloning the data from the donor.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
4
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
applying
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The resharding coordinator informs recipient shards to modify
their copies of data based on new incoming writes from donor
shards. The coordinator waits for all recipients to finish
applying
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-oplog">
oplog
</a>
entries.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
5
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
blocking-writes
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The resharding coordinator informs donor shards to prevent new
incoming write operations to the collection being resharded.
The coordinator then waits for all recipients to have all data
changes.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
6
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
aborting
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
An unrecoverable error occurred during the resharding
operation or the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/abortReshardCollection/#mongodb-dbcommand-dbcmd.abortReshardCollection">
<code class="leafygreen-ui-1l06pbn">
abortReshardCollection
</code>
</a>
command
(or the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/sh.abortReshardCollection/#mongodb-method-sh.abortReshardCollection">
<code class="leafygreen-ui-1l06pbn">
sh.abortReshardCollection()
</code>
</a>
method) was run.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
6
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
committing
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The resharding coordinator removes the
<code class="leafygreen-ui-1l06pbn">
config.collections
</code>
entry for the temporary resharding collection. The coordinator
then adds the
<code class="leafygreen-ui-1l06pbn">
recipientFields
</code>
to the source collection's
entry.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<p class="leafygreen-ui-1kp3ins">
<em>
Only present when run on a shard or config server.
</em>
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.opStatus
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.opStatus" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.opStatus">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Status for the current
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-reshard-a-collection/#std-label-sharding-resharding">
resharding operation
<!-- -->
.
</a>
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:10%"/>
<col style="width:40%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Number Returned
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
-1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Resharding operation not in progress.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
0
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Resharding operation succeeded.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Resharding operation failed.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
2
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Resharding operation canceled.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<p class="leafygreen-ui-1kp3ins">
<em>
Only present when run on a shard or config server.
</em>
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.lastOpEndingChunkImbalance
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.lastOpEndingChunkImbalance" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardingStatistics.resharding.lastOpEndingChunkImbalance">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
This field contains the highest numeric difference for
(
<code class="leafygreen-ui-1l06pbn">
maxNumChunksInShard - minNumChunksInShard
</code>
) among all
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/zone-sharding/#std-label-zone-sharding">
zones
</a>
for the
collection that was processed by the most recent
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-reshard-a-collection/#std-label-resharding_process">
resharding operation
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-data-partitioning/#std-label-sharding-chunk-size">
Range Size
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
<em>
Only updated on config servers.
</em>
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-sharded-index-consistency">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
shardedIndexConsistency
<a class="headerlink leafygreen-ui-1kepx47" href="#shardedindexconsistency" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="shardedindexconsistency">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"shardedIndexConsistency : {\n numShardedCollectionsWithInconsistentIndexes : Long(\"<num>\")\n},","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">shardedIndexConsistency <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->numShardedCollectionsWithInconsistentIndexes <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
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</div>
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</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardedIndexConsistency
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardedIndexConsistency" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.shardedIndexConsistency">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<em>
Available only on config server instances.
</em>
</p>
<p class="leafygreen-ui-1kp3ins">
A document that returns results of index consistency checks for
sharded collections.
</p>
<p class="leafygreen-ui-1kp3ins">
The returned metrics are meaningful only when run on the primary of
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharded-cluster-config-servers/#std-label-sharding-config-server">
config server replica set
</a>
for a
sharded cluster.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.enableShardedIndexConsistencyCheck">
<code class="leafygreen-ui-1l06pbn">
enableShardedIndexConsistencyCheck
</code>
</a>
parameter
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.shardedIndexConsistencyCheckIntervalMS">
<code class="leafygreen-ui-1l06pbn">
shardedIndexConsistencyCheckIntervalMS
</code>
</a>
parameter
</p>
</li>
</ul>
</div>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
shardedIndexConsistency.numShardedCollectionsWithInconsistentIndexes
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.shardedIndexConsistency.numShardedCollectionsWithInconsistentIndexes" title="Permalink to this definition">
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</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<em>
Available only on config server instances.
</em>
</p>
<p class="leafygreen-ui-1kp3ins">
Number of sharded collections whose indexes are inconsistent across
the shards. A sharded collection has an inconsistent index if the
collection does not have the exact same indexes (including the index
options) on each shard that contains chunks for the collection.
</p>
<p class="leafygreen-ui-1kp3ins">
To investigate if a sharded collection has inconsistent indexes, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/manage-indexes/#std-label-manage-indexes-find-inconsistent-indexes">
Find Inconsistent Indexes Across Shards
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
The returned metrics are meaningful only when run on the primary of
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharded-cluster-config-servers/#std-label-sharding-config-server">
config server replica set
</a>
for a sharded cluster.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.enableShardedIndexConsistencyCheck">
<code class="leafygreen-ui-1l06pbn">
enableShardedIndexConsistencyCheck
</code>
</a>
parameter
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.shardedIndexConsistencyCheckIntervalMS">
<code class="leafygreen-ui-1l06pbn">
shardedIndexConsistencyCheckIntervalMS
</code>
</a>
parameter
</p>
</li>
</ul>
</div>
</div>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-storage-engine">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
storageEngine
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="storageengine">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"storageEngine : {\n name : <string>,\n supportsCommittedReads : <boolean>,\n persistent : <boolean>\n},","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">storageEngine <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->name <!-- -->: <<!-- -->string<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->supportsCommittedReads <!-- -->: <<!-- -->boolean<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->persistent <!-- -->: <<!-- -->boolean<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr></tbody></table></code></pre>
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</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
storageEngine
</code>
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</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document with data about the current storage engine.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
storageEngine.name
</code>
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
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</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The name of the current storage engine.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
storageEngine.supportsCommittedReads
</code>
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A boolean that indicates whether the storage engine supports
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern-majority/#mongodb-readconcern-readconcern.-majority-">
<code class="leafygreen-ui-1l06pbn">
"majority"
</code>
</a>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern/">
read concern
<!-- -->
.
</a>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
storageEngine.persistent
</code>
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A boolean that indicates whether the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/storage-engines/">
storage engine
</a>
does or does not persist data to disk.
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-tcmalloc">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
tcmalloc
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</div>
</a>
</h3>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
tcmalloc
</code>
metrics that are only for internal use are omitted from this
page.
</p>
</div>
</div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"tcmalloc : {\n usingPerCPUCaches : <boolean>, // Added in MongoDB 8.0\n maxPerCPUCacheSizeBytes : <integer>, // Added in MongoDB 8.0\n generic : {\n current_allocated_bytes : <integer>,\n heap_size : <integer>,\n peak_memory_usage : <integer> // Added in MongoDB 8.0\n },\n tcmalloc : {\n central_cache_free : <integer>,\n cpu_free : <integer>, // Added in MongoDB 8.0\n release_rate : <integer>,\n total_bytes_held : <integer>, // Added in MongoDB 8.0\n cpuCache : {\n 0 : {\n overflows : <integer>, // Added in MongoDB 8.0\n underflows : <integer> // Added in MongoDB 8.0\n },\n }\n },\n tcmalloc_derived : {\n total_free_bytes : <integer> // Added in MongoDB 8.0\n }\n}","programmingLanguage":"JavaScript"}
</script>
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<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">tcmalloc <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->usingPerCPUCaches <!-- -->: <<!-- -->boolean<!-- -->><!-- -->,<!-- --> <span class="lg-highlight-comment">// Added in MongoDB 8.0</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->maxPerCPUCacheSizeBytes <!-- -->: <<!-- -->integer<!-- -->><!-- -->,<!-- --> <span class="lg-highlight-comment">// Added in MongoDB 8.0</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->generic <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->current_allocated_bytes <!-- -->: <<!-- -->integer<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->heap_size <!-- -->: <<!-- -->integer<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->peak_memory_usage <!-- -->: <<!-- -->integer<!-- -->> <span class="lg-highlight-comment">// Added in MongoDB 8.0</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->tcmalloc <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->central_cache_free <!-- -->: <<!-- -->integer<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cpu_free <!-- -->: <<!-- -->integer<!-- -->><!-- -->,<!-- --> <span class="lg-highlight-comment">// Added in MongoDB 8.0</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->release_rate <!-- -->: <<!-- -->integer<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->total_bytes_held <!-- -->: <<!-- -->integer<!-- -->><!-- -->,<!-- --> <span class="lg-highlight-comment">// Added in MongoDB 8.0</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cpuCache <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-number">0</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->overflows <!-- -->: <<!-- -->integer<!-- -->><!-- -->,<!-- --> <span class="lg-highlight-comment">// Added in MongoDB 8.0</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->underflows <!-- -->: <<!-- -->integer<!-- -->> <span class="lg-highlight-comment">// Added in MongoDB 8.0</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->tcmalloc_derived <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->total_free_bytes <!-- -->: <<!-- -->integer<!-- -->> <span class="lg-highlight-comment">// Added in MongoDB 8.0</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
tcmalloc
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.tcmalloc" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.tcmalloc">
</div>
</a>
</dt>
<dd>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Starting in version 8.0, MongoDB uses an updated version of TCMalloc
that improves memory fragmentation and management. See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/release-notes/8.0/#std-label-8.0-tcmalloc-upgrade">
tcmalloc upgrade
</a>
for more information.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
A document that contains information on memory allocation for the server.
By default,
<code class="leafygreen-ui-1l06pbn">
tcmalloc
</code>
metrics are included in the
<code class="leafygreen-ui-1l06pbn">
serverStatus
</code>
output.
To change the verbosity of the
<code class="leafygreen-ui-1l06pbn">
tcmalloc
</code>
section, specify an integer
between
<code class="leafygreen-ui-1l06pbn">
0
</code>
and
<code class="leafygreen-ui-1l06pbn">
3
</code>
(inclusive):
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If you set verbosity to
<code class="leafygreen-ui-1l06pbn">
0
</code>
,
<code class="leafygreen-ui-1l06pbn">
tcmalloc
</code>
metrics aren't included in the
<code class="leafygreen-ui-1l06pbn">
serverStatus
</code>
output.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If you set verbosity to
<code class="leafygreen-ui-1l06pbn">
1
</code>
, the
<code class="leafygreen-ui-1l06pbn">
serverStatus
</code>
output includes the
default
<code class="leafygreen-ui-1l06pbn">
tcmalloc
</code>
metrics.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If you set verbosity to
<code class="leafygreen-ui-1l06pbn">
2
</code>
, the
<code class="leafygreen-ui-1l06pbn">
serverStatus
</code>
output includes default
<code class="leafygreen-ui-1l06pbn">
tcmalloc
</code>
metrics and the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.tcmalloc.tcmalloc.cpuCache" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
tcmalloc.tcmalloc.cpuCache
</code>
</span>
</a>
section.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If you set verbosity to
<code class="leafygreen-ui-1l06pbn">
3
</code>
, the
<code class="leafygreen-ui-1l06pbn">
serverStatus
</code>
output includes all
<code class="leafygreen-ui-1l06pbn">
tcmalloc
</code>
metrics.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
If you specify a value higher than
<code class="leafygreen-ui-1l06pbn">
3
</code>
, MongoDB sets the
<code class="leafygreen-ui-1l06pbn">
verbosity
</code>
to
<code class="leafygreen-ui-1l06pbn">
3
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
For example, to call
<code class="leafygreen-ui-1l06pbn">
serverStatus
</code>
with
<code class="leafygreen-ui-1l06pbn">
verbosity
</code>
set to
<code class="leafygreen-ui-1l06pbn">
2
</code>
, run
the following command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.runCommand( { serverStatus: 1, tcmalloc: 2 } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>( <!-- -->{ <span class="lg-highlight-attr">serverStatus</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">tcmalloc</span>: <span class="lg-highlight-number">2</span> } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://google.github.io/tcmalloc/stats.html" rel="noopener noreferrer">
<span>
TCMalloc Stats
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</p>
</div>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
tcmalloc.usingPerCPUCaches
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.tcmalloc.usingPerCPUCaches" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.tcmalloc.usingPerCPUCaches">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A boolean that indicates whether TCMalloc is running with per-CPU caches.
If
<code class="leafygreen-ui-1l06pbn">
tcmalloc.usingPerCPUCaches
</code>
is
<code class="leafygreen-ui-1l06pbn">
false
</code>
, ensure that:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
You
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/tcmalloc-performance/#std-label-tcmalloc-disable-glibc-rseq">
disabled glibc rseq
<!-- -->
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
You're using Linux
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/tcmalloc-performance/#std-label-tcmalloc-kernel-version">
kernel version
</a>
4.18 or
later.
</p>
</li>
</ul>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
tcmalloc.maxPerCPUCacheSizeBytes
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.tcmalloc.maxPerCPUCacheSizeBytes" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.tcmalloc.maxPerCPUCacheSizeBytes">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Maximum size, in bytes, of each CPU cache.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
tcmalloc.generic.peak_memory_usage
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.tcmalloc.generic.peak_memory_usage" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.tcmalloc.generic.peak_memory_usage">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Maximum amount of memory, in bytes, allocated by MongoDB at any point.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
tcmalloc.generic.current_allocated_bytes
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.tcmalloc.generic.current_allocated_bytes" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.tcmalloc.generic.current_allocated_bytes">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Total number of bytes that are currently allocated to memory and actively
used by MongoDB.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
tcmalloc.generic.heap_size
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.tcmalloc.generic.heap_size" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.tcmalloc.generic.heap_size">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Amount of memory, in bytes, allocated from the operating system. This value
includes memory that's currently in use and memory that's been
allocated but isn't in use.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
tcmalloc.tcmalloc.central_cache_free
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.tcmalloc.tcmalloc.central_cache_free" title="Permalink to this definition">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Amount of memory, in bytes, held in the central free list. The central free
list is a structure that manages free memory for reuse.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
tcmalloc.tcmalloc.cpu_free
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.tcmalloc.tcmalloc.cpu_free" title="Permalink to this definition">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
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</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Amount of free memory, in bytes, available across all CPU caches.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
tcmalloc.tcmalloc.total_bytes_held
</code>
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.tcmalloc.tcmalloc.total_bytes_held">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Amount of memory, in bytes, currently held in caches.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
tcmalloc.tcmalloc.release_rate
</code>
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</path>
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</svg>
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</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Rate, in bytes per second, at which unused memory is released to the
operating system. The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.tcmallocReleaseRate">
<code class="leafygreen-ui-1l06pbn">
tcmallocReleaseRate
</code>
</a>
parameter determines
the value of
<code class="leafygreen-ui-1l06pbn">
tcmalloc.tcmalloc.release_rate
</code>
.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
tcmalloc.tcmalloc.cpuCache
</code>
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.tcmalloc.tcmalloc.cpuCache">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that provides data on each CPU cache.
</p>
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
cpuCache
</code>
metrics are excluded at the default verbosity level. To view
<code class="leafygreen-ui-1l06pbn">
cpuCache
</code>
metrics, you must set the
<code class="leafygreen-ui-1l06pbn">
tcmalloc
</code>
verbosity to at least
<code class="leafygreen-ui-1l06pbn">
2
</code>
.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
tcmalloc.tcmalloc.cpuCache.N.overflows
</code>
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</path>
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<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.tcmalloc.tcmalloc.cpuCache.N.overflows">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of overflows that the CPU cache experienced. Overflows occur when a
user deallocates memory and the cache is full.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
tcmalloc.tcmalloc.cpuCache.N.underflows
</code>
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</path>
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</svg>
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</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of underflows that the CPU cache experienced. Underflows occur when a
user allocates memory and the cache is empty.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
tcmalloc.tcmalloc_derived.total_free_bytes
</code>
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
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</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Amount of memory remaining before
<code class="leafygreen-ui-1l06pbn">
tcmalloc
</code>
has to request for more memory
from the operating system.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
8.0
</em>
.
</p>
</div>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-transactions">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
transactions
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</path>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">transactions <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->retriedCommandsCount <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->retriedStatementsCount <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->transactionsCollectionWriteCount <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->currentActive <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->currentInactive <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->currentOpen <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->totalAborted <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->totalCommitted <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->totalStarted <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->totalPrepared <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->totalPreparedThenCommitted <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->totalPreparedThenAborted <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->currentPrepared <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->lastCommittedTransaction <!-- -->: <<span class="lg-highlight-variable lg-highlight-language">document</span>></td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr></tbody></table></code></pre>
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<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"transactions : {\n currentOpen : Long(\"<num>\"),\n currentActive : Long(\"<num>\"),\n currentInactive : Long(\"<num>\"),\n totalStarted : Long(\"<num>\"),\n totalCommitted : Long(\"<num>\"),\n totalAborted : Long(\"<num>\"),\n abortCause : {\n <string1> : Long(\"<num>\"),\n <string2> : Long(\"<num>\"),\n ...\n },\n totalContactedParticipants : Long(\"<num>\"),\n totalParticipantsAtCommit : Long(\"<num>\"),\n totalRequestsTargeted : Long(\"<num>\"),\n commitTypes : {\n noShards : {\n initiated : Long(\"<num>\"),\n successful : Long(\"<num>\"),\n successfulDurationMicros : Long(\"<num>\")\n },\n singleShard : {\n initiated : Long(\"<num>\"),\n successful : Long(\"<num>\"),\n successfulDurationMicros : Long(\"<num>\")\n },\n singleWriteShard : {\n initiated : Long(\"<num>\"),\n successful : Long(\"<num>\"),\n successfulDurationMicros : Long(\"<num>\")\n },\n readOnly : {\n initiated : Long(\"<num>\"),\n successful : Long(\"<num>\"),\n successfulDurationMicros : Long(\"<num>\")\n },\n twoPhaseCommit : {\n initiated : Long(\"<num>\"),\n successful : Long(\"<num>\"),\n successfulDurationMicros : Long(\"<num>\")\n },\n recoverWithToken : {\n initiated : Long(\"<num>\"),\n successful : Long(\"<num>\"),\n successfulDurationMicros : Long(\"<num>\")\n }\n }\n},","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">transactions <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->currentOpen <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->currentActive <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->currentInactive <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->totalStarted <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->totalCommitted <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->totalAborted <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->abortCause <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <<span class="lg-highlight-title lg-highlight-class">String1</span>> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <<span class="lg-highlight-title lg-highlight-class">String2</span>> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->totalContactedParticipants <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->totalParticipantsAtCommit <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->totalRequestsTargeted <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->commitTypes <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->noShards <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->initiated <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->successful <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->successfulDurationMicros <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->singleShard <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->initiated <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->successful <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->successfulDurationMicros <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->singleWriteShard <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->initiated <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->successful <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->successfulDurationMicros <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->readOnly <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->initiated <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->successful <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->successfulDurationMicros <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->twoPhaseCommit <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->initiated <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->successful <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->successfulDurationMicros <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->recoverWithToken <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->initiated <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->successful <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->successfulDurationMicros <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr></tbody></table></code></pre>
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<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</button>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
transactions
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.transactions" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.transactions">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
When run on a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
, a document with data about the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/retryable-writes/#std-label-retryable-writes">
retryable wrties
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions">
transactions
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
When run on a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
, a document with data about the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions">
transactions
</a>
run on the instance.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
transactions.retriedCommandsCount
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.transactions.retriedCommandsCount" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.transactions.retriedCommandsCount">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<em>
Available on mongod only.
</em>
</p>
<p class="leafygreen-ui-1kp3ins">
The total number of retry attempts that have been received after the
corresponding retryable write command has already been committed.
That is, a retryable write is attempted even though the write has
previously succeeded and has an associated record for the
transaction and session in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/config-database/#mongodb-data-config.transactions">
<code class="leafygreen-ui-1l06pbn">
config.transactions
</code>
</a>
collection, such as when the initial write response to the client is
lost.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
MongoDB does not re-execute the committed writes.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The total is across all sessions.
</p>
<p class="leafygreen-ui-1kp3ins">
The total does not include any retryable writes that may happen
internally as part of a chunk migration.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
transactions.retriedStatementsCount
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.transactions.retriedStatementsCount" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.transactions.retriedStatementsCount">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<em>
Available on mongod only.
</em>
</p>
<p class="leafygreen-ui-1kp3ins">
The total number of write statements associated with the retried
commands in
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.transactions.retriedCommandsCount" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
transactions.retriedCommandsCount
</code>
.
</span>
</a>
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
MongoDB does not re-execute the committed writes.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The total does not include any retryable writes that may happen
internally as part of a chunk migration.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
transactions.transactionsCollectionWriteCount
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.transactions.transactionsCollectionWriteCount" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.transactions.transactionsCollectionWriteCount">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<em>
Available on mongod only.
</em>
</p>
<p class="leafygreen-ui-1kp3ins">
The total number of writes to the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/config-database/#mongodb-data-config.transactions">
<code class="leafygreen-ui-1l06pbn">
config.transactions
</code>
</a>
collection, triggered when a new retryable write statement is
committed.
</p>
<p class="leafygreen-ui-1kp3ins">
For update and delete commands, since only single document
operations are retryable, there is one write per statement.
</p>
<p class="leafygreen-ui-1kp3ins">
For insert operations, there is one write per batch of documents
inserted, except when a failure leads to each document being
inserted separately.
</p>
<p class="leafygreen-ui-1kp3ins">
The total includes writes to a server's
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/config-database/#mongodb-data-config.transactions">
<code class="leafygreen-ui-1l06pbn">
config.transactions
</code>
</a>
collection that occur as part of a migration.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
transactions.currentActive
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.transactions.currentActive" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.transactions.currentActive">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<em>
Available on both mongod and mongos.
</em>
</p>
<p class="leafygreen-ui-1kp3ins">
The total number of open transactions currently executing a command.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
transactions.currentInactive
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.transactions.currentInactive" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.transactions.currentInactive">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<em>
Available on both mongod and mongos.
</em>
</p>
<p class="leafygreen-ui-1kp3ins">
The total number of open transactions that are not currently
executing a command.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
transactions.currentOpen
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.transactions.currentOpen" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.transactions.currentOpen">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<em>
Available on both mongod and mongos.
</em>
</p>
<p class="leafygreen-ui-1kp3ins">
The total number of open transactions. A transaction is opened when
the first command is run as a part of that transaction, and stays
open until the transaction either commits or aborts.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
transactions.totalAborted
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.transactions.totalAborted" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.transactions.totalAborted">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
For the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
, the total number of transactions
aborted on this instance since its last startup.
</p>
<p class="leafygreen-ui-1kp3ins">
For the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
, the total number of transactions
aborted through this instance since its last startup.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
transactions.totalCommitted
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.transactions.totalCommitted" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.transactions.totalCommitted">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
For the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
, the total number of transactions
committed on the instance since its last startup.
</p>
<p class="leafygreen-ui-1kp3ins">
For the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
,the total number of transactions
committed through this instance since its last startup.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
transactions.totalStarted
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.transactions.totalStarted" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.transactions.totalStarted">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
For the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
, the total number of transactions
started on this instance since its last startup.
</p>
<p class="leafygreen-ui-1kp3ins">
For the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
, the total number of transactions
started on this instance since its last startup.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
transactions.abortCause
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.transactions.abortCause" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.transactions.abortCause">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<em>
Available on mongos only.
</em>
</p>
<p class="leafygreen-ui-1kp3ins">
Breakdown of the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.transactions.totalAborted" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
transactions.totalAborted
</code>
</span>
</a>
by cause.
If a client issues an explicit
<code class="leafygreen-ui-1l06pbn">
abortTransaction
</code>
, the cause is
listed as
<code class="leafygreen-ui-1l06pbn">
abort
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
For example:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"totalAborted : Long(\"5\"),\nabortCause : {\n abort : Long(\"1\"),\n DuplicateKey : Long(\"1\"),\n StaleConfig : Long(\"3\"),\n SnapshotTooOld : Long(\"1\")\n},","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">totalAborted <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"5"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">abortCause <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->abort <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"1"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">DuplicateKey</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"1"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">StaleConfig</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"3"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">SnapshotTooOld</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"1"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr></tbody></table></code></pre>
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<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
transactions.totalContactedParticipants
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.transactions.totalContactedParticipants" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.transactions.totalContactedParticipants">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<em>
Available on mongos only.
</em>
</p>
<p class="leafygreen-ui-1kp3ins">
The total number of shards contacted for all transactions started
through this
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
since its last startup.
</p>
<p class="leafygreen-ui-1kp3ins">
The number of shards contacted during the transaction processes can
include those shards that may not be included as part of the commit.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
transactions.totalParticipantsAtCommit
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.transactions.totalParticipantsAtCommit" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.transactions.totalParticipantsAtCommit">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<em>
Available on mongos only.
</em>
</p>
<p class="leafygreen-ui-1kp3ins">
Total number of shards involved in the commit for all transactions
started through this
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
since its last startup.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
transactions.totalRequestsTargeted
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.transactions.totalRequestsTargeted" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.transactions.totalRequestsTargeted">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<em>
Available on mongos only.
</em>
</p>
<p class="leafygreen-ui-1kp3ins">
Total number of network requests targeted by the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
as part of its transactions.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
transactions.commitTypes
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.transactions.commitTypes" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.transactions.commitTypes">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<em>
Available on mongos only.
</em>
</p>
<p class="leafygreen-ui-1kp3ins">
Breakdown of the commits by types. For example:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"noShards : {\n initiated : Long(\"0\"),\n successful : Long(\"0\"),\n successfulDurationMicros : Long(\"0\")\n},\nsingleShard : {\n initiated : Long(\"5\"),\n successful : Long(\"5\"),\n successfulDurationMicros : Long(\"203118\")\n},\nsingleWriteShard : {\n initiated : Long(\"0\"),\n successful : Long(\"0\"),\n successfulDurationMicros : Long(\"0\")\n},\nreadOnly : {\n initiated : Long(\"0\"),\n successful : Long(\"0\"),\n successfulDurationMicros : Long(\"0\")\n},\ntwoPhaseCommit : {\n initiated : Long(\"1\"),\n successful : Long(\"1\"),\n successfulDurationMicros : Long(\"179616\")\n},\nrecoverWithToken : {\n initiated : Long(\"0\"),\n successful : Long(\"0\"),\n successfulDurationMicros : Long(\"0\")\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">noShards <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->initiated <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->successful <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->successfulDurationMicros <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">singleShard <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->initiated <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"5"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->successful <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"5"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->successfulDurationMicros <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"203118"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">singleWriteShard <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->initiated <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->successful <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->successfulDurationMicros <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">readOnly <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->initiated <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->successful <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->successfulDurationMicros <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">twoPhaseCommit <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->initiated <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"1"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->successful <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"1"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->successfulDurationMicros <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"179616"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">recoverWithToken <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->initiated <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->successful <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->successfulDurationMicros <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"0"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The types of commit are:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:80%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Type
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
noShards
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Commits of transactions that did not contact any shards.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
singleShard
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Commits of transactions that affected a single shard.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
singleWriteShard
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Commits of transactions that contacted multiple shards but
whose write operations only affected a single shard.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
readOnly
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Commits of transactions that only involved read operations.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
twoPhaseCommit
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Commits of transactions that included writes to multiple
shards
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
recoverWithToken
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Commits that recovered the outcome of transactions from
another instance or after this instance was restarted.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<p class="leafygreen-ui-1kp3ins">
For each commit type, the command returns the following metrics:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:80%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Metrics
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
initiated
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Total number of times that commits of this type were
initiated.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
successful
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Total number of times that commits of this type succeeded.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
successfulDurationMicros
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Total time, in microseconds, taken by successful commits of
this type.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
transactions.totalPrepared
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.transactions.totalPrepared" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.transactions.totalPrepared">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<em>
Available on mongod only.
</em>
</p>
<p class="leafygreen-ui-1kp3ins">
The total number of transactions in prepared state on this server
since the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
process's last startup.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
transactions.totalPreparedThenCommitted
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.transactions.totalPreparedThenCommitted" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.transactions.totalPreparedThenCommitted">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<em>
Available on mongod only.
</em>
</p>
<p class="leafygreen-ui-1kp3ins">
The total number of transactions that were prepared and committed on
this server since the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
process's last
startup.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
transactions.totalPreparedThenAborted
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.transactions.totalPreparedThenAborted" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.transactions.totalPreparedThenAborted">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<em>
Available on mongod only.
</em>
</p>
<p class="leafygreen-ui-1kp3ins">
The total number of transactions that were prepared and aborted on
this server since the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
process's last
startup.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
transactions.currentPrepared
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.transactions.currentPrepared" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.transactions.currentPrepared">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<em>
Available on mongod only.
</em>
</p>
<p class="leafygreen-ui-1kp3ins">
The current number of transactions in prepared state on this server.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
transactions.lastCommittedTransaction
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.transactions.lastCommittedTransaction" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.transactions.lastCommittedTransaction">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
<em>
Available on mongod only.
</em>
</p>
<p class="leafygreen-ui-1kp3ins">
The details of the last transaction committed when the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
is primary.
</p>
<p class="leafygreen-ui-1kp3ins">
When returned from a secondary,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.transactions.lastCommittedTransaction" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
lastCommittedTransaction
</code>
</span>
</a>
returns the
details of the last transaction committed when that secondary was a
primary.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"lastCommittedTransaction : {\n operationCount : Long(\"1\"),\n oplogOperationBytes : Long(\"211\"),\n writeConcern : {\n w : \"majority\",\n wtimeout : 0\n }\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">lastCommittedTransaction <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->operationCount <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"1"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->oplogOperationBytes <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"211"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->writeConcern <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->w <!-- -->: <span class="lg-highlight-string">"majority"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wtimeout <!-- -->: <span class="lg-highlight-number">0</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<div class="header-buffer" id="ref-oplog-change-id5">
</div>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:80%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Metrics
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
operationCount
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The number of write operations in the transaction.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
oplogOperationBytes
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The size of the corresponding oplog entry or entries for
the transaction.
<a class="footnote-reference header-buffer" href="#footnote-oplog-change" id="ref-oplog-change-id5">
[
<!-- -->
2
<!-- -->
]
</a>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
writeConcern
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The write concern used for the transaction.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</dd>
</dl>
<table class="header-buffer leafygreen-ui-rbqgrl" frame="void" id="footnote-oplog-change" rules="none">
<colgroup>
<col/>
</colgroup>
<tbody valign="top">
<tr>
<td class="leafygreen-ui-17r2xs0">
[
<a href="#ref-oplog-change-id5">
2
</a>
]
</td>
<td class="leafygreen-ui-17r2xs0">
<!-- -->
MongoDB creates as many oplog entries as necessary to encapsulate all write
operations in a transaction. See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions-production-consideration/#std-label-txn-oplog-size-limit">
Oplog Size Limit
</a>
for details.
</td>
</tr>
</tbody>
</table>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
transportSecurity
<a class="headerlink leafygreen-ui-1kepx47" href="#transportsecurity" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="transportsecurity">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"transportSecurity : {\n 1.0 : Long(\"<num>\"),\n 1.1 : Long(\"<num>\"),\n 1.2 : Long(\"<num>\"),\n 1.3 : Long(\"<num>\"),\n unknown : Long(\"<num>\")\n},","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">transportSecurity <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-number">1.0</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-number">1.1</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-number">1.2</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-number">1.3</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->unknown <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->,</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
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<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
transportSecurity.<version>
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.transportSecurity.-version-" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.transportSecurity.-version-">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The cumulative number of TLS <version> connections that have been
made to this
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance. The value is reset upon restart.
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-watchdog">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
watchdog
<a class="headerlink leafygreen-ui-1kepx47" href="#watchdog" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="watchdog">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"watchdog : {\n checkGeneration : Long(\"<num>\"),\n monitorGeneration : Long(\"<num>\"),\n monitorPeriod : <num>\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">watchdog <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->checkGeneration <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->monitorGeneration <!-- -->: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"<num>"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->monitorPeriod <!-- -->: <<!-- -->num<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
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<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
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</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
watchdog
</code>
section is only present if the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/monitoring/#std-label-storage-node-watchdog">
Storage Node Watchdog
</a>
is enabled.
</p>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
watchdog
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.watchdog" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.watchdog">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document reporting the status of the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/monitoring/#std-label-storage-node-watchdog">
Storage Node Watchdog
<!-- -->
.
</a>
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
watchdog.checkGeneration
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.watchdog.checkGeneration" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.watchdog.checkGeneration">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of times the directories have been checked since startup.
Directories are checked multiple times every
<code class="leafygreen-ui-1l06pbn">
monitoringPeriod
</code>
.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
watchdog.monitorGeneration
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.watchdog.monitorGeneration" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.watchdog.monitorGeneration">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The number of times the status of all filesystems used by
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
has been examined. This is incremented once
every
<code class="leafygreen-ui-1l06pbn">
monitoringPeriod
</code>
.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
watchdog.monitorPeriod
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.watchdog.monitorPeriod" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.watchdog.monitorPeriod">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The value set by
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.watchdogPeriodSeconds">
<code class="leafygreen-ui-1l06pbn">
watchdogPeriodSeconds
</code>
</a>
. This is the
period between status checks.
</p>
</dd>
</dl>
<span class="leafygreen-ui-1qnjd6d" id="std-label-server-status-wiredTiger">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
wiredTiger
<a class="headerlink leafygreen-ui-1kepx47" href="#wiredtiger" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="wiredtiger">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
wiredTiger
</code>
information only appears if using the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/wiredtiger/">
WiredTiger
</a>
storage engine. Some of the statistics roll up for the server.
</p>
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disk to cache time (usecs) : <num>,\n application threads page write from cache to disk count : <num>,\n application threads page write from cache to disk time (usecs) : <num>,\n bytes belonging to page images in the cache : <num>,\n bytes belonging to the cache overflow table in the cache : <num>,\n bytes currently in the cache : <num>,\n bytes dirty in the cache cumulative : <num>,\n bytes not belonging to page images in the cache : <num>,\n bytes read into cache : <num>,\n bytes written from cache : <num>,\n cache overflow cursor application thread wait time (usecs) : <num>,\n cache overflow cursor internal thread wait time (usecs) : <num>,\n cache overflow score : <num>,\n cache overflow table entries : <num>,\n cache overflow table insert calls : <num>,\n cache overflow table max on-disk size : <num>,\n cache overflow table on-disk size : <num>,\n cache overflow table remove calls : <num>,\n checkpoint blocked page eviction : <num>,\n eviction calls to get a page : <num>,\n eviction calls to get a page found queue empty : <num>,\n eviction calls to get a page found queue empty after locking : <num>,\n eviction currently operating in aggressive mode : <num>,\n eviction empty score : <num>,\n eviction passes of a file : <num>,\n eviction server candidate queue empty when topping up : <num>,\n eviction server candidate queue not empty when topping up : <num>,\n eviction server evicting pages : <num>,\n eviction server slept, because we did not make progress with eviction : <num>,\n eviction server unable to reach eviction goal : <num>,\n eviction server waiting for a leaf page : <num>,\n eviction server waiting for an internal page sleep (usec) : <num>,\n eviction server waiting for an internal page yields : <num>,\n eviction state : <num>,\n eviction walk target pages histogram - 0-9 : <num>,\n eviction walk target pages histogram - 10-31 : <num>,\n eviction walk target pages histogram - 128 and higher : <num>,\n eviction walk target pages histogram - 32-63 : <num>,\n eviction walk target pages histogram - 64-128 : <num>,\n eviction walks abandoned : <num>,\n eviction walks gave up because they restarted their walk twice : <num>,\n eviction walks gave up because they saw too many pages and found no candidates : <num>,\n eviction walks gave up because they saw too many pages and found too few candidates : <num>,\n eviction walks reached end of tree : <num>,\n eviction walks started from root of tree : <num>,\n eviction walks started from saved location in tree : <num>,\n eviction worker thread active : <num>,\n eviction worker thread created : <num>,\n eviction worker thread evicting pages : <num>,\n eviction worker thread removed : <num>,\n eviction worker thread stable number : <num>,\n files with active eviction walks : <num>,\n files with new eviction walks started : <num>,\n force re-tuning of eviction workers once in a while : <num>,\n forced eviction - pages evicted that were clean count : <num>,\n forced eviction - pages evicted that were clean time (usecs) : <num>,\n forced eviction - pages evicted that were dirty count : <num>,\n forced eviction - pages evicted that were dirty time (usecs) : <num>,\n forced eviction - pages selected because of too many deleted items count : <num>,\n forced eviction - pages selected count : <num>,\n forced eviction - pages selected unable to be evicted count : <num>,\n forced eviction - pages selected unable to be evicted time : <num>,\n hazard pointer blocked page eviction : <num>,\n hazard pointer check calls : <num>,\n hazard pointer check entries walked : <num>,\n hazard pointer maximum array length : <num>,\n in-memory page passed criteria to be split : <num>,\n in-memory page splits : <num>,\n internal pages evicted : <num>,\n internal pages split during eviction : <num>,\n leaf pages split during eviction : <num>,\n maximum bytes configured : <num>,\n maximum page size at eviction : <num>,\n modified pages evicted : <num>,\n modified pages evicted by application threads : <num>,\n operations timed out waiting for space in cache : <num>,\n overflow pages read into cache : <num>,\n page split during eviction deepened the tree : <num>,\n page written requiring cache overflow records : <num>,\n pages currently held in the cache : <num>,\n pages evicted by application threads : <num>,\n pages queued for eviction : <num>,\n pages queued for eviction post lru sorting : <num>,\n pages queued for urgent eviction : <num>,\n pages queued for urgent eviction during walk : <num>,\n pages read into cache : <num>,\n pages read into cache after truncate : <num>,\n pages read into cache after truncate in prepare state : <num>,\n pages read into cache requiring cache overflow entries : <num>,\n pages read into cache requiring cache overflow for checkpoint : <num>,\n pages read into cache skipping older cache overflow entries : <num>,\n pages read into cache with skipped cache overflow entries needed later : <num>,\n pages read into cache with skipped cache overflow entries needed later by checkpoint : <num>,\n pages requested from the cache : <num>,\n pages seen by eviction walk : <num>,\n pages selected for eviction unable to be evicted : <num>,\n pages walked for eviction : <num>,\n pages written from cache : <num>,\n pages written requiring in-memory restoration : <num>,\n percentage overhead : <num>,\n tracked bytes belonging to internal pages in the cache : <num>,\n tracked bytes belonging to leaf pages in the cache : <num>,\n tracked dirty bytes in the cache : <num>,\n tracked dirty pages in the cache : <num>,\n unmodified pages evicted : <num>\n },\n capacity : {\n background fsync file handles considered : <num>,\n background fsync file handles synced : <num>,\n background fsync time (msecs) : <num>,\n bytes read : <num>,\n bytes written for checkpoint : <num>,\n bytes written for eviction : <num>,\n bytes written for log : <num>,\n bytes written total : <num>,\n threshold to call fsync : <num>,\n time waiting due to total capacity (usecs) : <num>,\n time waiting during checkpoint (usecs) : <num>,\n time waiting during eviction (usecs) : <num>,\n time waiting during logging (usecs) : <num>,\n time waiting during read (usecs) : <num>\n },\n connection : {\n auto adjusting condition resets : <num>,\n auto adjusting condition wait calls : <num>,\n detected system time went backwards : <num>,\n files currently open : <num>,\n memory allocations : <num>,\n memory frees : <num>,\n memory re-allocations : <num>,\n pthread mutex condition wait calls : <num>,\n pthread mutex shared lock read-lock calls : <num>,\n pthread mutex shared lock write-lock calls : <num>,\n total fsync I/Os : <num>,\n total read I/Os : <num>,\n total write I/Os : <num>\n },\n cursor : {\n cached cursor count : <num>,\n cursor bulk loaded cursor insert calls : <num>,\n cursor close calls that result in cache : <num>,\n cursor create calls : <num>,\n cursor insert calls : <num>,\n cursor insert key and value bytes : <num>,\n cursor modify calls : <num>,\n cursor modify key and value bytes affected : <num>,\n cursor modify value bytes modified : <num>,\n cursor next calls : <num>,\n cursor operation restarted : <num>,\n cursor prev calls : <num>,\n cursor remove calls : <num>,\n cursor remove key bytes removed : <num>,\n cursor reserve calls : <num>,\n cursor reset calls : <num>,\n cursor search calls : <num>,\n cursor search near calls : <num>,\n cursor sweep buckets : <num>,\n cursor sweep cursors closed : <num>,\n cursor sweep cursors examined : <num>,\n cursor sweeps : <num>,\n cursor truncate calls : <num>,\n cursor update calls : <num>,\n cursor update key and value bytes : <num>,\n cursor update value size change : <num>,\n cursors reused from cache : <num>,\n open cursor count : <num>\n },\n data-handle : {\n connection data handle size : <num>,\n connection data handles currently active : <num>,\n connection sweep candidate became referenced : <num>,\n connection sweep dhandles closed : <num>,\n connection sweep dhandles removed from hash list : <num>,\n connection sweep time-of-death sets : <num>,\n connection sweeps : <num>,\n session dhandles swept : <num>,\n session sweep attempts : <num>\n },\n lock : {\n checkpoint lock acquisitions : <num>,\n checkpoint lock application thread wait time (usecs) : <num>,\n checkpoint lock internal thread wait time (usecs) : <num>,\n dhandle lock application thread time waiting (usecs) : <num>,\n dhandle lock internal thread time waiting (usecs) : <num>,\n dhandle read lock acquisitions : <num>,\n dhandle write lock acquisitions : <num>,\n durable timestamp queue lock application thread time waiting (usecs) : <num>,\n durable timestamp queue lock internal thread time waiting (usecs) : <num>,\n durable timestamp queue read lock acquisitions : <num>,\n durable timestamp queue write lock acquisitions : <num>,\n metadata lock acquisitions : <num>,\n metadata lock application thread wait time (usecs) : <num>,\n metadata lock internal thread wait time (usecs) : <num>,\n read timestamp queue lock application thread time waiting (usecs) : <num>,\n read timestamp queue lock internal thread time waiting (usecs) : <num>,\n read timestamp queue read lock acquisitions : <num>,\n read timestamp queue write lock acquisitions : <num>,\n schema lock acquisitions : <num>,\n schema lock application thread wait time (usecs) : <num>,\n schema lock internal thread wait time (usecs) : <num>,\n table lock application thread time waiting for the table lock (usecs) : <num>,\n table lock internal thread time waiting for the table lock (usecs) : <num>,\n table read lock acquisitions : <num>,\n table write lock acquisitions : <num>,\n txn global lock application thread time waiting (usecs) : <num>,\n txn global lock internal thread time waiting (usecs) : <num>,\n txn global read lock acquisitions : <num>,\n txn global write lock acquisitions : <num>\n },\n log : {\n busy returns attempting to switch slots : <num>,\n force archive time sleeping (usecs) : <num>,\n log bytes of payload data : <num>,\n log bytes written : <num>,\n log files manually zero-filled : <num>,\n log flush operations : <num>,\n log force write operations : <num>,\n log force write operations skipped : <num>,\n log records compressed : <num>,\n log records not compressed : <num>,\n log records too small to compress : <num>,\n log release advances write LSN : <num>,\n log scan operations : <num>,\n log scan records requiring two reads : <num>,\n log server thread advances write LSN : <num>,\n log server thread write LSN walk skipped : <num>,\n log sync operations : <num>,\n log sync time duration (usecs) : <num>,\n log sync_dir operations : <num>,\n log sync_dir time duration (usecs) : <num>,\n log write operations : <num>,\n logging bytes consolidated : <num>,\n maximum log file size : <num>,\n number of pre-allocated log files to create : <num>,\n pre-allocated log files not ready and missed : <num>,\n pre-allocated log files prepared : <num>,\n pre-allocated log files used : <num>,\n records processed by log scan : <num>,\n slot close lost race : <num>,\n slot close unbuffered waits : <num>,\n slot closures : <num>,\n slot join atomic update races : <num>,\n slot join calls atomic updates raced : <num>,\n slot join calls did not yield : <num>,\n slot join calls found active slot closed : <num>,\n slot join calls slept : <num>,\n slot join calls yielded : <num>,\n slot join found active slot closed : <num>,\n slot joins yield time (usecs) : <num>,\n slot transitions unable to find free slot : <num>,\n slot unbuffered writes : <num>,\n total in-memory size of compressed records : <num>,\n total log buffer size : <num>,\n total size of compressed records : <num>,\n written slots coalesced : <num>,\n yields waiting for previous log file close : <num>\n },\n perf : {\n file system read latency histogram (bucket 1) - 10-49ms : <num>,\n file system read latency histogram (bucket 2) - 50-99ms : <num>,\n file system read latency histogram (bucket 3) - 100-249ms : <num>,\n file system read latency histogram (bucket 4) - 250-499ms : <num>,\n file system read latency histogram (bucket 5) - 500-999ms : <num>,\n file system read latency histogram (bucket 6) - 1000ms+ : <num>,\n file system write latency histogram (bucket 1) - 10-49ms : <num>,\n file system write latency histogram (bucket 2) - 50-99ms : <num>,\n file system write latency histogram (bucket 3) - 100-249ms : <num>,\n file system write latency histogram (bucket 4) - 250-499ms : <num>,\n file system write latency histogram (bucket 5) - 500-999ms : <num>,\n file system write latency histogram (bucket 6) - 1000ms+ : <num>,\n operation read latency histogram (bucket 1) - 100-249us : <num>,\n operation read latency histogram (bucket 2) - 250-499us : <num>,\n operation read latency histogram (bucket 3) - 500-999us : <num>,\n operation read latency histogram (bucket 4) - 1000-9999us : <num>,\n operation read latency histogram (bucket 5) - 10000us+ : <num>,\n operation write latency histogram (bucket 1) - 100-249us : <num>,\n operation write latency histogram (bucket 2) - 250-499us : <num>,\n operation write latency histogram (bucket 3) - 500-999us : <num>,\n operation write latency histogram (bucket 4) - 1000-9999us : <num>,\n operation write latency histogram (bucket 5) - 10000us+ : <num>\n },\n reconciliation : {\n fast-path pages deleted : <num>,\n page reconciliation calls : <num>,\n page reconciliation calls for eviction : <num>,\n pages deleted : <num>,\n split bytes currently awaiting free : <num>,\n split objects currently awaiting free : <num>\n },\n session : {\n open session count : <num>,\n session query timestamp calls : <num>,\n table alter failed calls : <num>,\n table alter successful calls : <num>,\n table alter unchanged and skipped : <num>,\n table compact failed calls : <num>,\n table compact successful calls : <num>,\n table create failed calls : <num>,\n table create successful calls : <num>,\n table drop failed calls : <num>,\n table drop successful calls : <num>,\n table import failed calls : <num>,\n table import successful calls : <num>,\n table rebalance failed calls : <num>,\n table rebalance successful calls : <num>,\n table rename failed calls : <num>,\n table rename successful calls : <num>,\n table salvage failed calls : <num>,\n table salvage successful calls : <num>,\n table truncate failed calls : <num>,\n table truncate successful calls : <num>,\n table verify failed calls : <num>,\n table verify successful calls : <num>\n },\n thread-state : {\n active filesystem fsync calls : <num>,\n active filesystem read calls : <num>,\n active filesystem write calls : <num>\n },\n thread-yield : {\n application thread time evicting (usecs) : <num>,\n application thread time waiting for cache (usecs) : <num>,\n connection close blocked waiting for transaction state stabilization : <num>,\n connection close yielded for lsm manager shutdown : <num>,\n data handle lock yielded : <num>,\n get reference for page index and slot time sleeping (usecs) : <num>,\n log server sync yielded for log write : <num>,\n page access yielded due to prepare state change : <num>,\n page acquire busy blocked : <num>,\n page acquire eviction blocked : <num>,\n page acquire locked blocked : <num>,\n page acquire read blocked : <num>,\n page acquire time sleeping (usecs) : <num>,\n page delete rollback time sleeping for state change (usecs) : <num>,\n page reconciliation yielded due to child modification : <num>\n },\n transaction : {\n Number of prepared updates : <num>,\n Number of prepared updates added to cache overflow : <num>,\n Number of prepared updates resolved : <num>,\n durable timestamp queue entries walked : <num>,\n durable timestamp queue insert to empty : <num>,\n durable timestamp queue inserts to head : <num>,\n durable timestamp queue inserts total : <num>,\n durable timestamp queue length : <num>,\n number of named snapshots created : <num>,\n number of named snapshots dropped : <num>,\n prepared transactions : <num>,\n prepared transactions committed : <num>,\n prepared transactions currently active : <num>,\n prepared transactions rolled back : <num>,\n query timestamp calls : <num>,\n read timestamp queue entries walked : <num>,\n read timestamp queue insert to empty : <num>,\n read timestamp queue inserts to head : <num>,\n read timestamp queue inserts total : <num>,\n read timestamp queue length : <num>,\n rollback to stable calls : <num>,\n rollback to stable updates aborted : <num>,\n rollback to stable updates removed from cache overflow : <num>,\n set timestamp calls : <num>,\n set timestamp durable calls : <num>,\n set timestamp durable updates : <num>,\n set timestamp oldest calls : <num>,\n set timestamp oldest updates : <num>,\n set timestamp stable calls : <num>,\n set timestamp stable updates : <num>,\n transaction begins : <num>,\n transaction checkpoint currently running : <num>,\n transaction checkpoint generation : <num>,\n transaction checkpoint max time (msecs) : <num>,\n transaction checkpoint min time (msecs) : <num>,\n transaction checkpoint most recent time (msecs) : <num>,\n transaction checkpoint scrub dirty target : <num>,\n transaction checkpoint scrub time (msecs) : <num>,\n transaction checkpoint total time (msecs) : <num>,\n transaction checkpoints : <num>,\n transaction checkpoints skipped because database was clean : <num>,\n transaction failures due to cache overflow : <num>,\n transaction fsync calls for checkpoint after allocating the transaction ID : <num>,\n transaction fsync duration for checkpoint after allocating the transaction ID (usecs) : <num>,\n transaction range of IDs currently pinned : <num>,\n transaction range of IDs currently pinned by a checkpoint : <num>,\n transaction range of IDs currently pinned by named snapshots : <num>,\n transaction range of timestamps currently pinned : <num>,\n transaction range of timestamps pinned by a checkpoint : <num>,\n transaction range of timestamps pinned by the oldest active read timestamp : <num>,\n transaction range of timestamps pinned by the oldest timestamp : <num>,\n transaction read timestamp of the oldest active reader : <num>,\n transaction sync calls : <num>,\n transactions committed : <num>,\n transactions rolled back : <num>,\n update conflicts : <num>\n },\n concurrentTransactions : {\n write : {\n out : <num>,\n available : <num>,\n totalTickets : <num>\n },\n read : {\n out : <num>,\n available : <num>,\n totalTickets : <num>\n },\n monitor : {\n timesDecreased: <num>,\n timesIncreased: <num>,\n totalAmountDecreased: <num>,\n totalAmountIncreased: <num>\n }\n },\n snapshot-window-settings : {\n total number of SnapshotTooOld errors : <num>,\n max target available snapshots window size in seconds : <num>,\n target available snapshots window size in seconds : <num>,\n current available snapshots window size in seconds : <num>,\n latest majority snapshot timestamp available : <string>,\n oldest majority snapshot timestamp available : <string>\n }\n}","programmingLanguage":"JavaScript"}
</script>
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<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->uri <!-- -->: <span class="lg-highlight-string">'statistics:'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">async</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->current work queue length <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->maximum work queue length <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->number <span class="lg-highlight-keyword">of</span> allocation state races <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->number <span class="lg-highlight-keyword">of</span> flush calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->number <span class="lg-highlight-keyword">of</span> operation slots viewed <span class="lg-highlight-keyword">for</span> allocation <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->number <span class="lg-highlight-keyword">of</span> times operation allocation failed <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->number <span class="lg-highlight-keyword">of</span> times worker found no work <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->total allocations <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->total compact calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->total insert calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->total remove calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->total search calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->total update calls <!-- -->: <<!-- -->num<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->block<!-- -->-<!-- -->manager <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->blocks pre<!-- -->-<!-- -->loaded <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->blocks read <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->blocks written <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->bytes read <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->bytes written <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->bytes written <span class="lg-highlight-keyword">for</span> checkpoint <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->mapped blocks read <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->mapped bytes read <!-- -->: <<!-- -->num<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cache <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->application threads page read <span class="lg-highlight-keyword">from</span> disk to cache count <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->application threads page read <span class="lg-highlight-keyword">from</span> disk to cache time <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->application threads page write <span class="lg-highlight-keyword">from</span> cache to disk count <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->application threads page write <span class="lg-highlight-keyword">from</span> cache to disk time <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->bytes belonging to page images <span class="lg-highlight-keyword">in</span> the cache <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->bytes belonging to the cache overflow table <span class="lg-highlight-keyword">in</span> the cache <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->bytes currently <span class="lg-highlight-keyword">in</span> the cache <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->bytes dirty <span class="lg-highlight-keyword">in</span> the cache cumulative <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->bytes not belonging to page images <span class="lg-highlight-keyword">in</span> the cache <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->bytes read into cache <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->bytes written <span class="lg-highlight-keyword">from</span> cache <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cache overflow cursor application thread wait time <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cache overflow cursor internal thread wait time <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cache overflow score <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cache overflow table entries <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cache overflow table insert calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cache overflow table max on<!-- -->-<!-- -->disk size <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cache overflow table on<!-- -->-<!-- -->disk size <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cache overflow table remove calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->checkpoint blocked page eviction <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->eviction calls to get a page <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->eviction calls to get a page found queue empty <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->eviction calls to get a page found queue empty after locking <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->eviction currently operating <span class="lg-highlight-keyword">in</span> aggressive mode <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->eviction empty score <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->eviction passes <span class="lg-highlight-keyword">of</span> a file <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->eviction server candidate queue empty when topping up <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->eviction server candidate queue not empty when topping up <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->eviction server evicting pages <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->eviction server slept<!-- -->, <!-- -->because we did not make progress <span class="lg-highlight-keyword">with</span> eviction <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->eviction server unable to reach eviction goal <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->eviction server waiting <span class="lg-highlight-keyword">for</span> a leaf page <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->eviction server waiting <span class="lg-highlight-keyword">for</span> an internal page sleep <!-- -->(<!-- -->usec) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->eviction server waiting <span class="lg-highlight-keyword">for</span> an internal page yields <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->eviction state <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->eviction walk target pages histogram <!-- -->- <span class="lg-highlight-number">0</span>-<span class="lg-highlight-number">9</span> <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->eviction walk target pages histogram <!-- -->- <span class="lg-highlight-number">10</span>-<span class="lg-highlight-number">31</span> <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->eviction walk target pages histogram <!-- -->- <span class="lg-highlight-number">128</span> and higher <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->eviction walk target pages histogram <!-- -->- <span class="lg-highlight-number">32</span>-<span class="lg-highlight-number">63</span> <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->eviction walk target pages histogram <!-- -->- <span class="lg-highlight-number">64</span>-<span class="lg-highlight-number">128</span> <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->eviction walks abandoned <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->eviction walks gave up because they restarted their walk twice <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->eviction walks gave up because they saw too many pages and found no candidates <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->eviction walks gave up because they saw too many pages and found too few candidates <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->eviction walks reached end <span class="lg-highlight-keyword">of</span> tree <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->eviction walks started <span class="lg-highlight-keyword">from</span> root <span class="lg-highlight-keyword">of</span> tree <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->eviction walks started <span class="lg-highlight-keyword">from</span> saved location <span class="lg-highlight-keyword">in</span> tree <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->eviction worker thread active <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->eviction worker thread created <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->eviction worker thread evicting pages <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->eviction worker thread removed <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->eviction worker thread stable number <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->files <span class="lg-highlight-keyword">with</span> active eviction walks <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->files <span class="lg-highlight-keyword">with</span> <span class="lg-highlight-keyword">new</span> eviction walks started <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->force re<!-- -->-<!-- -->tuning <span class="lg-highlight-keyword">of</span> eviction workers once <span class="lg-highlight-keyword">in</span> a <span class="lg-highlight-keyword">while</span> <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->forced eviction <!-- -->- <!-- -->pages evicted that were clean count <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->forced eviction <!-- -->- <!-- -->pages evicted that were clean time <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->forced eviction <!-- -->- <!-- -->pages evicted that were dirty count <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->forced eviction <!-- -->- <!-- -->pages evicted that were dirty time <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->forced eviction <!-- -->- <!-- -->pages selected because <span class="lg-highlight-keyword">of</span> too many deleted items count <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->forced eviction <!-- -->- <!-- -->pages selected count <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->forced eviction <!-- -->- <!-- -->pages selected unable to be evicted count <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->forced eviction <!-- -->- <!-- -->pages selected unable to be evicted time <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->hazard pointer blocked page eviction <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->hazard pointer check calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->hazard pointer check entries walked <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->hazard pointer maximum array length <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">in</span>-<!-- -->memory page passed criteria to be split <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">in</span>-<!-- -->memory page splits <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->internal pages evicted <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->internal pages split during eviction <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->leaf pages split during eviction <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->maximum bytes configured <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->maximum page size at eviction <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->modified pages evicted <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->modified pages evicted by application threads <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->operations timed out waiting <span class="lg-highlight-keyword">for</span> space <span class="lg-highlight-keyword">in</span> cache <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->overflow pages read into cache <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->page split during eviction deepened the tree <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->page written requiring cache overflow records <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->pages currently held <span class="lg-highlight-keyword">in</span> the cache <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->pages evicted by application threads <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->pages queued <span class="lg-highlight-keyword">for</span> eviction <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->pages queued <span class="lg-highlight-keyword">for</span> eviction post lru sorting <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->pages queued <span class="lg-highlight-keyword">for</span> urgent eviction <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->pages queued <span class="lg-highlight-keyword">for</span> urgent eviction during walk <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->pages read into cache <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->pages read into cache after truncate <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->pages read into cache after truncate <span class="lg-highlight-keyword">in</span> prepare state <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->pages read into cache requiring cache overflow entries <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->pages read into cache requiring cache overflow <span class="lg-highlight-keyword">for</span> checkpoint <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->pages read into cache skipping older cache overflow entries <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->pages read into cache <span class="lg-highlight-keyword">with</span> skipped cache overflow entries needed later <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->pages read into cache <span class="lg-highlight-keyword">with</span> skipped cache overflow entries needed later by checkpoint <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->pages requested <span class="lg-highlight-keyword">from</span> the cache <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->pages seen by eviction walk <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->pages selected <span class="lg-highlight-keyword">for</span> eviction unable to be evicted <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->pages walked <span class="lg-highlight-keyword">for</span> eviction <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->pages written <span class="lg-highlight-keyword">from</span> cache <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->pages written requiring <span class="lg-highlight-keyword">in</span>-<!-- -->memory restoration <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->percentage overhead <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->tracked bytes belonging to internal pages <span class="lg-highlight-keyword">in</span> the cache <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->tracked bytes belonging to leaf pages <span class="lg-highlight-keyword">in</span> the cache <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->tracked dirty bytes <span class="lg-highlight-keyword">in</span> the cache <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->tracked dirty pages <span class="lg-highlight-keyword">in</span> the cache <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->unmodified pages evicted <!-- -->: <<!-- -->num<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->capacity <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->background fsync file handles considered <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->background fsync file handles synced <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->background fsync time <!-- -->(<!-- -->msecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->bytes read <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->bytes written <span class="lg-highlight-keyword">for</span> checkpoint <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->bytes written <span class="lg-highlight-keyword">for</span> eviction <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->bytes written <span class="lg-highlight-keyword">for</span> log <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->bytes written total <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->threshold to call fsync <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->time waiting due to total capacity <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->time waiting during checkpoint <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->time waiting during eviction <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->time waiting during logging <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->time waiting during read <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->connection <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->auto adjusting condition resets <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->auto adjusting condition wait calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->detected system time went backwards <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->files currently open <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->memory allocations <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->memory frees <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->memory re<!-- -->-<!-- -->allocations <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->pthread mutex condition wait calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->pthread mutex shared lock read<!-- -->-<!-- -->lock calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->pthread mutex shared lock write<!-- -->-<!-- -->lock calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->total fsync I<!-- -->/<span class="lg-highlight-title lg-highlight-class">Os</span> <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->total read I<!-- -->/<span class="lg-highlight-title lg-highlight-class">Os</span> <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->total write I<!-- -->/<span class="lg-highlight-title lg-highlight-class">Os</span> <!-- -->: <<!-- -->num<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cursor <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cached cursor count <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cursor bulk loaded cursor insert calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cursor close calls that result <span class="lg-highlight-keyword">in</span> cache <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cursor create calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cursor insert calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cursor insert key and value bytes <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cursor modify calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cursor modify key and value bytes affected <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cursor modify value bytes modified <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cursor next calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cursor operation restarted <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cursor prev calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cursor remove calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cursor remove key bytes removed <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cursor reserve calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cursor reset calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cursor search calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cursor search near calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cursor sweep buckets <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cursor sweep cursors closed <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cursor sweep cursors examined <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cursor sweeps <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cursor truncate calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cursor update calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cursor update key and value bytes <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cursor update value size change <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cursors reused <span class="lg-highlight-keyword">from</span> cache <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->open cursor count <!-- -->: <<!-- -->num<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->data<!-- -->-<!-- -->handle <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->connection data handle size <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->connection data handles currently active <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->connection sweep candidate became referenced <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->connection sweep dhandles closed <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->connection sweep dhandles removed <span class="lg-highlight-keyword">from</span> hash list <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->connection sweep time<!-- -->-<span class="lg-highlight-keyword">of</span>-<!-- -->death sets <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->connection sweeps <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->session dhandles swept <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->session sweep attempts <!-- -->: <<!-- -->num<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->lock <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->checkpoint lock acquisitions <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->checkpoint lock application thread wait time <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->checkpoint lock internal thread wait time <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->dhandle lock application thread time waiting <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->dhandle lock internal thread time waiting <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->dhandle read lock acquisitions <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->dhandle write lock acquisitions <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->durable timestamp queue lock application thread time waiting <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->durable timestamp queue lock internal thread time waiting <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->durable timestamp queue read lock acquisitions <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->durable timestamp queue write lock acquisitions <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->metadata lock acquisitions <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->metadata lock application thread wait time <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->metadata lock internal thread wait time <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->read timestamp queue lock application thread time waiting <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->read timestamp queue lock internal thread time waiting <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->read timestamp queue read lock acquisitions <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->read timestamp queue write lock acquisitions <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->schema lock acquisitions <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->schema lock application thread wait time <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->schema lock internal thread wait time <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->table lock application thread time waiting <span class="lg-highlight-keyword">for</span> the table lock <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->table lock internal thread time waiting <span class="lg-highlight-keyword">for</span> the table lock <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->table read lock acquisitions <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->table write lock acquisitions <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->txn <span class="lg-highlight-variable lg-highlight-language">global</span> lock application thread time waiting <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->txn <span class="lg-highlight-variable lg-highlight-language">global</span> lock internal thread time waiting <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->txn <span class="lg-highlight-variable lg-highlight-language">global</span> read lock acquisitions <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->txn <span class="lg-highlight-variable lg-highlight-language">global</span> write lock acquisitions <!-- -->: <<!-- -->num<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->log <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->busy returns attempting to <span class="lg-highlight-keyword">switch</span> slots <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->force archive time sleeping <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->log bytes <span class="lg-highlight-keyword">of</span> payload data <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->log bytes written <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->log files manually zero<!-- -->-<!-- -->filled <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->log flush operations <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->log force write operations <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->log force write operations skipped <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->log records compressed <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->log records not compressed <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->log records too small to compress <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->log release advances write <span class="lg-highlight-variable lg-highlight-constant">LSN</span> <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->log scan operations <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->log scan records requiring two reads <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->log server thread advances write <span class="lg-highlight-variable lg-highlight-constant">LSN</span> <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->log server thread write <span class="lg-highlight-variable lg-highlight-constant">LSN</span> walk skipped <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->log sync operations <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->log sync time duration <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->log sync_dir operations <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->log sync_dir time duration <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->log write operations <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->logging bytes consolidated <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->maximum log file size <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->number <span class="lg-highlight-keyword">of</span> pre<!-- -->-<!-- -->allocated log files to create <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->pre<!-- -->-<!-- -->allocated log files not ready and missed <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->pre<!-- -->-<!-- -->allocated log files prepared <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->pre<!-- -->-<!-- -->allocated log files used <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->records processed by log scan <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->slot close lost race <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->slot close unbuffered waits <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->slot closures <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->slot join atomic update races <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->slot join calls atomic updates raced <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->slot join calls did not <span class="lg-highlight-keyword">yield</span> <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->slot join calls found active slot closed <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->slot join calls slept <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->slot join calls yielded <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->slot join found active slot closed <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->slot joins <span class="lg-highlight-keyword">yield</span> time <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->slot transitions unable to find free slot <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->slot unbuffered writes <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->total <span class="lg-highlight-keyword">in</span>-<!-- -->memory size <span class="lg-highlight-keyword">of</span> compressed records <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->total log buffer size <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->total size <span class="lg-highlight-keyword">of</span> compressed records <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->written slots coalesced <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->yields waiting <span class="lg-highlight-keyword">for</span> previous log file close <!-- -->: <<!-- -->num<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->perf <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->file system read latency histogram <!-- -->(<!-- -->bucket <span class="lg-highlight-number">1</span>) <!-- -->- <span class="lg-highlight-number">10</span>-<!-- -->49ms <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->file system read latency histogram <!-- -->(<!-- -->bucket <span class="lg-highlight-number">2</span>) <!-- -->- <span class="lg-highlight-number">50</span>-<!-- -->99ms <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->file system read latency histogram <!-- -->(<!-- -->bucket <span class="lg-highlight-number">3</span>) <!-- -->- <span class="lg-highlight-number">100</span>-<!-- -->249ms <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->file system read latency histogram <!-- -->(<!-- -->bucket <span class="lg-highlight-number">4</span>) <!-- -->- <span class="lg-highlight-number">250</span>-<!-- -->499ms <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->file system read latency histogram <!-- -->(<!-- -->bucket <span class="lg-highlight-number">5</span>) <!-- -->- <span class="lg-highlight-number">500</span>-<!-- -->999ms <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->file system read latency histogram <!-- -->(<!-- -->bucket <span class="lg-highlight-number">6</span>) <!-- -->- <!-- -->1000ms<!-- -->+ <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->file system write latency histogram <!-- -->(<!-- -->bucket <span class="lg-highlight-number">1</span>) <!-- -->- <span class="lg-highlight-number">10</span>-<!-- -->49ms <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->file system write latency histogram <!-- -->(<!-- -->bucket <span class="lg-highlight-number">2</span>) <!-- -->- <span class="lg-highlight-number">50</span>-<!-- -->99ms <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->file system write latency histogram <!-- -->(<!-- -->bucket <span class="lg-highlight-number">3</span>) <!-- -->- <span class="lg-highlight-number">100</span>-<!-- -->249ms <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->file system write latency histogram <!-- -->(<!-- -->bucket <span class="lg-highlight-number">4</span>) <!-- -->- <span class="lg-highlight-number">250</span>-<!-- -->499ms <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->file system write latency histogram <!-- -->(<!-- -->bucket <span class="lg-highlight-number">5</span>) <!-- -->- <span class="lg-highlight-number">500</span>-<!-- -->999ms <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->file system write latency histogram <!-- -->(<!-- -->bucket <span class="lg-highlight-number">6</span>) <!-- -->- <!-- -->1000ms<!-- -->+ <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->operation read latency histogram <!-- -->(<!-- -->bucket <span class="lg-highlight-number">1</span>) <!-- -->- <span class="lg-highlight-number">100</span>-<!-- -->249us <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->operation read latency histogram <!-- -->(<!-- -->bucket <span class="lg-highlight-number">2</span>) <!-- -->- <span class="lg-highlight-number">250</span>-<!-- -->499us <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->operation read latency histogram <!-- -->(<!-- -->bucket <span class="lg-highlight-number">3</span>) <!-- -->- <span class="lg-highlight-number">500</span>-<!-- -->999us <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->operation read latency histogram <!-- -->(<!-- -->bucket <span class="lg-highlight-number">4</span>) <!-- -->- <span class="lg-highlight-number">1000</span>-<!-- -->9999us <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->operation read latency histogram <!-- -->(<!-- -->bucket <span class="lg-highlight-number">5</span>) <!-- -->- <!-- -->10000us<!-- -->+ <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->operation write latency histogram <!-- -->(<!-- -->bucket <span class="lg-highlight-number">1</span>) <!-- -->- <span class="lg-highlight-number">100</span>-<!-- -->249us <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->operation write latency histogram <!-- -->(<!-- -->bucket <span class="lg-highlight-number">2</span>) <!-- -->- <span class="lg-highlight-number">250</span>-<!-- -->499us <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->operation write latency histogram <!-- -->(<!-- -->bucket <span class="lg-highlight-number">3</span>) <!-- -->- <span class="lg-highlight-number">500</span>-<!-- -->999us <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->operation write latency histogram <!-- -->(<!-- -->bucket <span class="lg-highlight-number">4</span>) <!-- -->- <span class="lg-highlight-number">1000</span>-<!-- -->9999us <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->operation write latency histogram <!-- -->(<!-- -->bucket <span class="lg-highlight-number">5</span>) <!-- -->- <!-- -->10000us<!-- -->+ <!-- -->: <<!-- -->num<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->reconciliation <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->fast<!-- -->-<!-- -->path pages deleted <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->page reconciliation calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->page reconciliation calls <span class="lg-highlight-keyword">for</span> eviction <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->pages deleted <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->split bytes currently awaiting free <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->split objects currently awaiting free <!-- -->: <<!-- -->num<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->session <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->open session count <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->session query timestamp calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->table alter failed calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->table alter successful calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->table alter unchanged and skipped <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->table compact failed calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->table compact successful calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->table create failed calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->table create successful calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->table drop failed calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->table drop successful calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->table <span class="lg-highlight-keyword">import</span> failed calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->table <span class="lg-highlight-keyword">import</span> successful calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->table rebalance failed calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->table rebalance successful calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->table rename failed calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->table rename successful calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->table salvage failed calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->table salvage successful calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->table truncate failed calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->table truncate successful calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->table verify failed calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->table verify successful calls <!-- -->: <<!-- -->num<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->thread<!-- -->-<!-- -->state <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->active filesystem fsync calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->active filesystem read calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->active filesystem write calls <!-- -->: <<!-- -->num<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->thread<!-- -->-<span class="lg-highlight-keyword">yield</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->application thread time evicting <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->application thread time waiting <span class="lg-highlight-keyword">for</span> cache <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->connection close blocked waiting <span class="lg-highlight-keyword">for</span> transaction state stabilization <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->connection close yielded <span class="lg-highlight-keyword">for</span> lsm manager shutdown <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->data handle lock yielded <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->get reference <span class="lg-highlight-keyword">for</span> page index and slot time sleeping <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->log server sync yielded <span class="lg-highlight-keyword">for</span> log write <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->page access yielded due to prepare state change <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->page acquire busy blocked <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->page acquire eviction blocked <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->page acquire locked blocked <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->page acquire read blocked <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->page acquire time sleeping <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->page <span class="lg-highlight-keyword">delete</span> rollback time sleeping <span class="lg-highlight-keyword">for</span> state change <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->page reconciliation yielded due to child modification <!-- -->: <<!-- -->num<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->transaction <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Number</span> <span class="lg-highlight-keyword">of</span> prepared updates <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Number</span> <span class="lg-highlight-keyword">of</span> prepared updates added to cache overflow <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Number</span> <span class="lg-highlight-keyword">of</span> prepared updates resolved <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->durable timestamp queue entries walked <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->durable timestamp queue insert to empty <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->durable timestamp queue inserts to head <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->durable timestamp queue inserts total <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->durable timestamp queue length <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->number <span class="lg-highlight-keyword">of</span> named snapshots created <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->number <span class="lg-highlight-keyword">of</span> named snapshots dropped <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->prepared transactions <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->prepared transactions committed <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->prepared transactions currently active <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->prepared transactions rolled back <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->query timestamp calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->read timestamp queue entries walked <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->read timestamp queue insert to empty <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->read timestamp queue inserts to head <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->read timestamp queue inserts total <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->read timestamp queue length <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->rollback to stable calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->rollback to stable updates aborted <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->rollback to stable updates removed <span class="lg-highlight-keyword">from</span> cache overflow <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->set timestamp calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->set timestamp durable calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->set timestamp durable updates <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->set timestamp oldest calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->set timestamp oldest updates <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->set timestamp stable calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->set timestamp stable updates <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->transaction begins <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->transaction checkpoint currently running <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->transaction checkpoint generation <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->transaction checkpoint max time <!-- -->(<!-- -->msecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->transaction checkpoint min time <!-- -->(<!-- -->msecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->transaction checkpoint most recent time <!-- -->(<!-- -->msecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->transaction checkpoint scrub dirty target <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->transaction checkpoint scrub time <!-- -->(<!-- -->msecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->transaction checkpoint total time <!-- -->(<!-- -->msecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->transaction checkpoints <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->transaction checkpoints skipped because database was clean <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->transaction failures due to cache overflow <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->transaction fsync calls <span class="lg-highlight-keyword">for</span> checkpoint after allocating the transaction <span class="lg-highlight-variable lg-highlight-constant">ID</span> <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->transaction fsync duration <span class="lg-highlight-keyword">for</span> checkpoint after allocating the transaction <span class="lg-highlight-variable lg-highlight-constant">ID</span> <!-- -->(<!-- -->usecs) <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->transaction range <span class="lg-highlight-keyword">of</span> <span class="lg-highlight-title lg-highlight-class">IDs</span> currently pinned <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->transaction range <span class="lg-highlight-keyword">of</span> <span class="lg-highlight-title lg-highlight-class">IDs</span> currently pinned by a checkpoint <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->transaction range <span class="lg-highlight-keyword">of</span> <span class="lg-highlight-title lg-highlight-class">IDs</span> currently pinned by named snapshots <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->transaction range <span class="lg-highlight-keyword">of</span> timestamps currently pinned <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->transaction range <span class="lg-highlight-keyword">of</span> timestamps pinned by a checkpoint <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->transaction range <span class="lg-highlight-keyword">of</span> timestamps pinned by the oldest active read timestamp <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->transaction range <span class="lg-highlight-keyword">of</span> timestamps pinned by the oldest timestamp <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->transaction read timestamp <span class="lg-highlight-keyword">of</span> the oldest active reader <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->transaction sync calls <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->transactions committed <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->transactions rolled back <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->update conflicts <!-- -->: <<!-- -->num<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->concurrentTransactions <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->write <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->out <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->available <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->totalTickets <!-- -->: <<!-- -->num<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->read <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->out <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->available <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->totalTickets <!-- -->: <<!-- -->num<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->monitor <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">timesDecreased</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">timesIncreased</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">totalAmountDecreased</span>: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">totalAmountIncreased</span>: <<!-- -->num<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->snapshot<!-- -->-<span class="lg-highlight-variable lg-highlight-language">window</span>-<!-- -->settings <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->total number <span class="lg-highlight-keyword">of</span> <span class="lg-highlight-title lg-highlight-class">SnapshotTooOld</span> errors <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->max target available snapshots <span class="lg-highlight-variable lg-highlight-language">window</span> size <span class="lg-highlight-keyword">in</span> seconds <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->target available snapshots <span class="lg-highlight-variable lg-highlight-language">window</span> size <span class="lg-highlight-keyword">in</span> seconds <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->current available snapshots <span class="lg-highlight-variable lg-highlight-language">window</span> size <span class="lg-highlight-keyword">in</span> seconds <!-- -->: <<!-- -->num<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->latest majority snapshot timestamp available <!-- -->: <<!-- -->string<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->oldest majority snapshot timestamp available <!-- -->: <<!-- -->string<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
The following is not an exhaustive list.
</p>
</div>
</div>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
wiredTiger.uri
</code>
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.wiredTiger.uri">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A string. For internal use by MongoDB.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
wiredTiger.async
</code>
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that returns statistics related to the asynchronous
operations API. This is unused by MongoDB.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
wiredTiger.block-manager
</code>
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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</svg>
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</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that returns statistics on the block manager operations.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
wiredTiger.cache
</code>
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<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.wiredTiger.cache">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that returns statistics on the cache and page evictions
from the cache.
</p>
<p class="leafygreen-ui-1kp3ins">
The following describes some of the key
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.wiredTiger.cache" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
wiredTiger.cache
</code>
</span>
</a>
statistics:
</p>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
wiredTiger.cache.maximum bytes configured
</code>
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<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.wiredTiger.cache.maximum-bytes-configured">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Maximum cache size.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
wiredTiger.cache.bytes currently in the cache
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.wiredTiger.cache.bytes-currently-in-the-cache" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.wiredTiger.cache.bytes-currently-in-the-cache">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Size in bytes of the data currently in cache. This value should
not be greater than the
<code class="leafygreen-ui-1l06pbn">
maximum bytes configured
</code>
value.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
wiredTiger.cache.unmodified pages evicted
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.wiredTiger.cache.unmodified-pages-evicted" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.wiredTiger.cache.unmodified-pages-evicted">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Main statistics for page eviction.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
wiredTiger.cache.tracked dirty bytes in the cache
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.wiredTiger.cache.tracked-dirty-bytes-in-the-cache" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.wiredTiger.cache.tracked-dirty-bytes-in-the-cache">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Size in bytes of the dirty data in the cache. This value should
be less than the
<code class="leafygreen-ui-1l06pbn">
bytes currently in the cache
</code>
value.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
wiredTiger.cache.pages read into cache
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.wiredTiger.cache.pages-read-into-cache" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.wiredTiger.cache.pages-read-into-cache">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of pages read into the cache.
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.wiredTiger.cache.pages-read-into-cache" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
wiredTiger.cache.pages read into cache
</code>
</span>
</a>
with
the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.wiredTiger.cache.pages-written-from-cache" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
wiredTiger.cache.pages written from cache
</code>
</span>
</a>
can provide an overview of the I/O activity.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
wiredTiger.cache.pages written from cache
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.wiredTiger.cache.pages-written-from-cache" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.wiredTiger.cache.pages-written-from-cache">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Number of pages written from the cache.
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.wiredTiger.cache.pages-written-from-cache" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
wiredTiger.cache.pages written from cache
</code>
</span>
</a>
with the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-serverstatus-serverstatus.wiredTiger.cache.pages-read-into-cache" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
wiredTiger.cache.pages read into cache
</code>
</span>
</a>
can provide an overview of the I/O activity.
</p>
</dd>
</dl>
<p class="leafygreen-ui-1kp3ins">
To adjust the size of the WiredTiger internal cache, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-storage.wiredTiger.engineConfig.cacheSizeGB">
<code class="leafygreen-ui-1l06pbn">
storage.wiredTiger.engineConfig.cacheSizeGB
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--wiredTigerCacheSizeGB">
<code class="leafygreen-ui-1l06pbn">
--wiredTigerCacheSizeGB
</code>
</a>
. Avoid increasing the WiredTiger
internal cache size above its default value.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
wiredTiger.connection
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.wiredTiger.connection" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.wiredTiger.connection">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that returns statistics related to WiredTiger connections.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
wiredTiger.cursor
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.wiredTiger.cursor" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.wiredTiger.cursor">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that returns statistics on WiredTiger cursor.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
wiredTiger.data-handle
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.wiredTiger.data-handle" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.wiredTiger.data-handle">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that returns statistics on the data handles and sweeps.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
wiredTiger.log
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.wiredTiger.log" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.wiredTiger.log">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that returns statistics on WiredTiger's write ahead log
(i.e. the journal).
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/journaling/#std-label-journaling-wiredTiger">
Journaling and the WiredTiger Storage Engine
</a>
</p>
</div>
</div>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
wiredTiger.reconciliation
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.wiredTiger.reconciliation" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.wiredTiger.reconciliation">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that returns statistics on the reconciliation process.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
wiredTiger.session
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.wiredTiger.session" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.wiredTiger.session">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that returns the open cursor count and open session count
for the session.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
wiredTiger.thread-yield
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.wiredTiger.thread-yield" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.wiredTiger.thread-yield">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that returns statistics on yields during page
acquisitions.
</p>
</dd>
</dl>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
wiredTiger.transaction
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.wiredTiger.transaction" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.wiredTiger.transaction">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
A document that returns statistics on transaction checkpoints and
operations.
</p>
<dl class="serverstatus">
<dt>
<code class="leafygreen-ui-1l06pbn">
wiredTiger.transaction.transaction checkpoint most recent time (msecs)
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-serverstatus-serverstatus.wiredTiger.transaction.transaction-checkpoint-most-recent-time--msecs-" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-serverstatus-serverstatus.wiredTiger.transaction.transaction-checkpoint-most-recent-time--msecs-">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Amount of time, in milliseconds, to create the most recent
checkpoint. An increase in this value under stead write load may
indicate saturation on the I/O subsystem.
</p>
</dd>
</dl>
</dd>
</dl>
</section>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/command/killCursors/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
killCursors
<a class="headerlink leafygreen-ui-1kepx47" href="#killcursors" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="killcursors">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
<span>
Definition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#compatibility" target="_self">
<span>
Compatibility
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#syntax" target="_self">
<span>
Syntax
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#command-fields" target="_self">
<span>
Command Fields
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#required-access" target="_self">
<span>
Required Access
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#killcursors-and-transactions" target="_self">
<span>
<code class="css-1kekw28 e1wawog0">
killCursors
</code>
and Transactions
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#example" target="_self">
<span>
Example
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Definition
<a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="definition">
</div>
</a>
</h2>
<dl class="dbcommand">
<dt>
<code class="leafygreen-ui-1l06pbn">
killCursors
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-dbcommand-dbcmd.killCursors" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-dbcommand-dbcmd.killCursors">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Kills the specified cursor or cursors for a collection. MongoDB
drivers use the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.killCursors" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
killCursors
</code>
</span>
</a>
command as part of the
client-side cursor implementation.
</p>
<div class="leafygreen-ui-1sjx7ru" role="note">
<h2 class="leafygreen-ui-29m78u">
Warning
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Applications typically should not run the
<code class="leafygreen-ui-1l06pbn">
killCursors
</code>
command directly. Instead, let the driver automatically
handle cursor management.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
killCursors
</code>
command must be run against the database of the
collection whose cursors you wish to kill.
</p>
<p class="leafygreen-ui-1kp3ins">
To run
<!-- -->
killCursors
<!-- -->
, use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.runCommand/#mongodb-method-db.runCommand">
<code class="leafygreen-ui-1l06pbn">
db.runCommand( { <command> } )
</code>
</a>
method.
</p>
</dd>
</dl>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Compatibility
<a class="headerlink leafygreen-ui-1kepx47" href="#compatibility" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="compatibility">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
This command is available in deployments hosted in the following environments:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas?tck=docs_server" target="_self">
<span>
MongoDB Atlas
</span>
</a>
: The fully
managed service for MongoDB deployments in the cloud
</p>
</li>
</ul>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
This command is supported in all MongoDB Atlas clusters.
For information on Atlas support for all commands, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/unsupported-commands/" target="_self">
<span>
Unsupported Commands
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-enterprise/#std-label-install-mdb-enterprise">
MongoDB Enterprise
</a>
: The
subscription-based, self-managed version of MongoDB
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-community/#std-label-install-mdb-community-edition">
MongoDB Community
</a>
: The
source-available, free-to-use, and self-managed version of MongoDB
</p>
</li>
</ul>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Syntax
<a class="headerlink leafygreen-ui-1kepx47" href="#syntax" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="syntax">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The command has the following syntax:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.runCommand(\n {\n killCursors: <collection>,\n cursors: [ <cursor>, ... ], comment: <any>\n }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">killCursors</span>: <<!-- -->collection<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">cursors</span>: <!-- -->[ <!-- --><cursor id1>, ... ], comment: <any></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Command Fields
<a class="headerlink leafygreen-ui-1kepx47" href="#command-fields" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="command-fields">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The command takes the following fields:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:20%"/>
<col style="width:80%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Field
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Type
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
killCursors
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
string
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The name of the collection.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
cursors
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
array
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The ids of the cursors to kill.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
comment
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
any
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Optional. A user-provided comment to attach to this command. Once set, this
comment appears alongside records of this command in the following
locations:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/log-messages/#std-label-log-messages-ref">
mongod log messages
</a>
, in the
<code class="leafygreen-ui-1l06pbn">
attr.command.cursor.comment
</code>
field.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/database-profiler/#std-label-profiler">
Database profiler
</a>
output, in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/database-profiler/#mongodb-data-system.profile.command">
<code class="leafygreen-ui-1l06pbn">
command.comment
</code>
</a>
field.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/currentOp/#mongodb-dbcommand-dbcmd.currentOp">
<code class="leafygreen-ui-1l06pbn">
currentOp
</code>
</a>
output, in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/currentOp/#mongodb-data-currentOp.command">
<code class="leafygreen-ui-1l06pbn">
command.comment
</code>
</a>
field.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
A comment can be any valid
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/bson-types/#std-label-bson-types">
BSON type
</a>
(string, integer, object, array, etc).
</p>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Required Access
<a class="headerlink leafygreen-ui-1kepx47" href="#required-access" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="required-access">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Kill Own Cursors
<a class="headerlink leafygreen-ui-1kepx47" href="#kill-own-cursors" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="kill-own-cursors">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Users can always kill their own cursors regardless of whether they have
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#mongodb-authaction-killCursors">
<code class="leafygreen-ui-1l06pbn">
killCursors
</code>
</a>
privilege. Cursors are associated with the
users at the time of cursor creation.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Kill Any Cursor
<a class="headerlink leafygreen-ui-1kepx47" href="#kill-any-cursor" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="kill-any-cursor">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
If a user has the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#mongodb-authaction-killAnyCursor">
<code class="leafygreen-ui-1l06pbn">
killAnyCursor
</code>
</a>
privilege, they can kill
cursors created by any user.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Atlas Required Access
<a class="headerlink leafygreen-ui-1kepx47" href="#atlas-required-access" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="atlas-required-access">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To see which Atlas roles and privileges grant the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#mongodb-authaction-killAnyCursor">
<code class="leafygreen-ui-1l06pbn">
killAnyCursor
</code>
</a>
privilege, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/mongodb-users-roles-and-privileges/" target="_self">
<span>
Built-In Roles and
Privileges
</span>
</a>
in the Atlas
documentation.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
<code class="leafygreen-ui-1l06pbn">
killCursors
</code>
and Transactions
<a class="headerlink leafygreen-ui-1kepx47" href="#killcursors-and-transactions" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="killcursors-and-transactions">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
You cannot specify the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.killCursors" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
killCursors
</code>
</span>
</a>
command as
the first operation in a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions">
transaction
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
Additionally, if you run the
<code class="leafygreen-ui-1l06pbn">
killCursors
</code>
command within a
transaction, the server immediately stops the specified
cursors. It does
<strong>
not
</strong>
wait for the transaction to commit.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Example
<a class="headerlink leafygreen-ui-1kepx47" href="#example" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="example">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Consider the following
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/find/#mongodb-dbcommand-dbcmd.find">
<code class="leafygreen-ui-1l06pbn">
find
</code>
</a>
operation on the
<code class="leafygreen-ui-1l06pbn">
test.restaurants
</code>
collection:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"use test\ndb.runCommand(\n { find: \"restaurants\",\n filter: { stars: 5 },\n projection: { name: 1, rating: 1, address: 1 },\n sort: { name: 1 },\n batchSize: 5\n }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">use test</td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">find</span>: <span class="lg-highlight-string">"restaurants"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">filter</span>: <!-- -->{ <span class="lg-highlight-attr">stars</span>: <span class="lg-highlight-number">5</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">projection</span>: <!-- -->{ <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">rating</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">address</span>: <span class="lg-highlight-number">1</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">sort</span>: <!-- -->{ <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-number">1</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">batchSize</span>: <span class="lg-highlight-number">5</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
which returns the following:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n \"waitedMS\" : NumberLong(0),\n \"cursor\" : {\n \"firstBatch\" : [\n {\n \"_id\" : ObjectId(\"57506d63f578028074723dfd\"),\n \"name\" : \"Cakes and more\"\n },\n {\n \"_id\" : ObjectId(\"57506d63f578028074723e0b\"),\n \"name\" : \"Pies and things\"\n },\n {\n \"_id\" : ObjectId(\"57506d63f578028074723e1d\"),\n \"name\" : \"Ice Cream Parlour\"\n },\n {\n \"_id\" : ObjectId(\"57506d63f578028074723e65\"),\n \"name\" : \"Cream Puffs\"\n },\n {\n \"_id\" : ObjectId(\"57506d63f578028074723e66\"),\n \"name\" : \"Cakes and Rolls\"\n }\n ],\n \"id\" : NumberLong(\"18314637080\"),\n \"ns\" : \"test.restaurants\"\n },\n \"ok\" : 1\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"waitedMS"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">NumberLong</span>(<span class="lg-highlight-number">0</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"cursor"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"firstBatch"</span> <!-- -->: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">ObjectId</span>(<span class="lg-highlight-string">"57506d63f578028074723dfd"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"name"</span> <!-- -->: <span class="lg-highlight-string">"Cakes and more"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">ObjectId</span>(<span class="lg-highlight-string">"57506d63f578028074723e0b"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"name"</span> <!-- -->: <span class="lg-highlight-string">"Pies and things"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">ObjectId</span>(<span class="lg-highlight-string">"57506d63f578028074723e1d"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"name"</span> <!-- -->: <span class="lg-highlight-string">"Ice Cream Parlour"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">ObjectId</span>(<span class="lg-highlight-string">"57506d63f578028074723e65"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"name"</span> <!-- -->: <span class="lg-highlight-string">"Cream Puffs"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">ObjectId</span>(<span class="lg-highlight-string">"57506d63f578028074723e66"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"name"</span> <!-- -->: <span class="lg-highlight-string">"Cakes and Rolls"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"id"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">NumberLong</span>(<span class="lg-highlight-string">"18314637080"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"ns"</span> <!-- -->: <span class="lg-highlight-string">"test.restaurants"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"ok"</span> <!-- -->: <span class="lg-highlight-number">1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
To kill this cursor, use the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.killCursors" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
killCursors
</code>
</span>
</a>
command.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"use test\n\ndb.runCommand( { killCursors: \"restaurants\", cursors: [ NumberLong(\"18314637080\") ] } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">use test</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>( <!-- -->{ <span class="lg-highlight-attr">killCursors</span>: <span class="lg-highlight-string">"restaurants"</span>, <span class="lg-highlight-attr">cursors</span>: <!-- -->[ <span class="lg-highlight-title lg-highlight-class">NumberLong</span>(<span class="lg-highlight-string">"18314637080"</span>) ] } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.killCursors" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
killCursors
</code>
</span>
</a>
returns the following operation details:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n \"cursorsKilled\" : [\n NumberLong(\"18314637080\")\n ],\n \"cursorsNotFound\" : [ ],\n \"cursorsAlive\" : [ ],\n \"cursorsUnknown\" : [ ],\n \"ok\" : 1\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"cursorsKilled"</span> <!-- -->: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">NumberLong</span>(<span class="lg-highlight-string">"18314637080"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"cursorsNotFound"</span> <!-- -->: <!-- -->[ <!-- -->]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"cursorsAlive"</span> <!-- -->: <!-- -->[ <!-- -->]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"cursorsUnknown"</span> <!-- -->: <!-- -->[ <!-- -->]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"ok"</span> <!-- -->: <span class="lg-highlight-number">1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/method/db.revokeRolesFromUser/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
db.revokeRolesFromUser()
<a class="headerlink leafygreen-ui-1kepx47" href="#db.revokerolesfromuser--" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="db.revokerolesfromuser--">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
<span>
Definition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#behavior" target="_self">
<span>
Behavior
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#required-access" target="_self">
<span>
Required Access
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#example" target="_self">
<span>
Example
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Definition
<a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="definition">
</div>
</a>
</h2>
<dl class="method">
<dt>
<code class="leafygreen-ui-1l06pbn">
db.revokeRolesFromUser()
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-method-db.revokeRolesFromUser" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-method-db.revokeRolesFromUser">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Removes one or more roles from a user on the current
database.
</p>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
mongosh Method
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
This page documents a
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
method. This is
<em>
not
</em>
the documentation for database commands or language-specific drivers,
such as Node.js.
</p>
<p class="leafygreen-ui-1kp3ins">
For the database command, see the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/revokeRolesFromUser/#mongodb-dbcommand-dbcmd.revokeRolesFromUser">
<code class="leafygreen-ui-1l06pbn">
revokeRolesFromUser
</code>
</a>
command
<!-- -->
.
</p>
<p class="leafygreen-ui-1kp3ins">
For MongoDB API drivers, refer to the language-specific
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/drivers/" target="_self">
<span>
MongoDB driver documentation
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.revokeRolesFromUser" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.revokeRolesFromUser()
</code>
</span>
</a>
method uses the
following syntax:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.revokeRolesFromUser( \"<username>\", [ <roles> ], { <writeconcern> } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">revokeRolesFromUser</span>( <span class="lg-highlight-string">"<username>"</span>, <!-- -->[ <<!-- -->roles<!-- -->> <!-- -->]<!-- -->, <!-- -->{ <<!-- -->writeConcern<!-- -->> <!-- -->} )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.revokeRolesFromUser" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.revokeRolesFromUser()
</code>
</span>
</a>
method takes the following arguments:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:20%"/>
<col style="width:80%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Parameter
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Type
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
user
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
string
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The name of the user from whom to revoke roles.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
roles
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
array
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The roles to remove from the user.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
writeConcern
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
document
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Optional. The level of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#std-label-write-concern">
write concern
</a>
for the
operation. See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#std-label-wc-specs">
Write Concern Specification
<!-- -->
.
</a>
</p>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<p class="leafygreen-ui-1kp3ins">
In the
<code class="leafygreen-ui-1l06pbn">
roles
</code>
field, you can specify both
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/built-in-roles/#std-label-built-in-roles">
built-in roles
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/security-user-defined-roles/#std-label-user-defined-roles">
user-defined
roles
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
To specify a role that exists in the same database where
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.revokeRolesFromUser" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.revokeRolesFromUser()
</code>
</span>
</a>
runs, you can either specify the role with the name of
the role:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"\"readWrite\"","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string">"readWrite"</span></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Or you can specify the role with a document, as in:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ role: \"<role>\", db: \"<database>\" }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">role</span>: <span class="lg-highlight-string">"<role>"</span>, <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">"<database>"</span> }</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
To specify a role that exists in a different database, specify the role
with a document.
</p>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.revokeRolesFromUser" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.revokeRolesFromUser()
</code>
</span>
</a>
method wraps the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/revokeRolesFromUser/#mongodb-dbcommand-dbcmd.revokeRolesFromUser">
<code class="leafygreen-ui-1l06pbn">
revokeRolesFromUser
</code>
</a>
command.
</p>
</dd>
</dl>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Behavior
<a class="headerlink leafygreen-ui-1kepx47" href="#behavior" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="behavior">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Replica set
<a class="headerlink leafygreen-ui-1kepx47" href="#replica-set" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="replica-set">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
If run on a replica set,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.revokeRolesFromUser" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.revokeRolesFromUser()
</code>
</span>
</a>
is executed using
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#mongodb-writeconcern-writeconcern.-majority-">
<code class="leafygreen-ui-1l06pbn">
"majority"
</code>
</a>
write concern by default.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Required Access
<a class="headerlink leafygreen-ui-1kepx47" href="#required-access" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="required-access">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
You must have the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#mongodb-authaction-revokeRole">
<code class="leafygreen-ui-1l06pbn">
revokeRole
</code>
</a>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#std-label-security-user-actions">
action
</a>
on a database to revoke a role on that database.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Example
<a class="headerlink leafygreen-ui-1kepx47" href="#example" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="example">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
accountUser01
</code>
user in the
<code class="leafygreen-ui-1l06pbn">
products
</code>
database has the following
roles:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"\"roles\" : [\n { \"role\" : \"assetsReader\",\n \"db\" : \"assets\"\n },\n { \"role\" : \"read\",\n \"db\" : \"stock\"\n },\n { \"role\" : \"readWrite\",\n \"db\" : \"products\"\n }\n]","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string">"roles"</span> <!-- -->: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-string">"role"</span> <!-- -->: <span class="lg-highlight-string">"assetsReader"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"db"</span> <!-- -->: <span class="lg-highlight-string">"assets"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-string">"role"</span> <!-- -->: <span class="lg-highlight-string">"read"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"db"</span> <!-- -->: <span class="lg-highlight-string">"stock"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-string">"role"</span> <!-- -->: <span class="lg-highlight-string">"readWrite"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"db"</span> <!-- -->: <span class="lg-highlight-string">"products"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">]</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The following
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.revokeRolesFromUser" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.revokeRolesFromUser()
</code>
</span>
</a>
method removes the two of
the user's roles: the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/built-in-roles/#mongodb-authrole-read">
<code class="leafygreen-ui-1l06pbn">
read
</code>
</a>
role on the
<code class="leafygreen-ui-1l06pbn">
stock
</code>
database and
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/built-in-roles/#mongodb-authrole-readWrite">
<code class="leafygreen-ui-1l06pbn">
readWrite
</code>
</a>
role on the
<code class="leafygreen-ui-1l06pbn">
products
</code>
database, which is also
the database on which the method runs:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"use products\ndb.revokeRolesFromUser( \"accountUser01\",\n [ { role: \"read\", db: \"stock\" }, \"readWrite\" ],\n { w: \"majority\" }\n )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">use products</td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">revokeRolesFromUser</span>( <span class="lg-highlight-string">"accountUser01"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->[ <!-- -->{ <span class="lg-highlight-attr">role</span>: <span class="lg-highlight-string">"read"</span>, <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">"stock"</span> }<!-- -->, <span class="lg-highlight-string">"readWrite"</span> ]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">w</span>: <span class="lg-highlight-string">"majority"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> )</td></tr></tbody></table></code></pre>
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<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The user
<code class="leafygreen-ui-1l06pbn">
accountUser01
</code>
user in the
<code class="leafygreen-ui-1l06pbn">
products
</code>
database now has only
one remaining role:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"\"roles\" : [\n { \"role\" : \"assetsReader\",\n \"db\" : \"assets\"\n }\n]","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string">"roles"</span> <!-- -->: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-string">"role"</span> <!-- -->: <span class="lg-highlight-string">"assetsReader"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"db"</span> <!-- -->: <span class="lg-highlight-string">"assets"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">]</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</div>
</button>
</div>
</div>
</div>
</div>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/method/Mongo.getDB/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Mongo.getDB()
<a class="headerlink leafygreen-ui-1kepx47" href="#mongo.getdb--" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongo.getdb--">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#description" target="_self">
<span>
Description
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#example" target="_self">
<span>
Example
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Description
<a class="headerlink leafygreen-ui-1kepx47" href="#description" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="description">
</div>
</a>
</h2>
<dl class="method">
<dt>
<code class="leafygreen-ui-1l06pbn">
Mongo.getDB(<database>)
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-method-Mongo.getDB" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-method-Mongo.getDB">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Provides access to database objects from
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
or from a JavaScript file.
</p>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-Mongo.getDB" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
Mongo.getDB()
</code>
</span>
</a>
method has the following parameter:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:20%"/>
<col style="width:80%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Parameter
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Type
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
database
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
string
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The name of the database to access.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</dd>
</dl>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Example
<a class="headerlink leafygreen-ui-1kepx47" href="#example" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="example">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The following example instantiates a new connection to the MongoDB
instance running on the localhost interface and returns a reference
to
<code class="leafygreen-ui-1l06pbn">
"myDatabase"
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db = new Mongo().getDB(\"myDatabase\");","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db <!-- -->= <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Mongo</span>(<!-- -->).<span class="lg-highlight-title lg-highlight-function">getDB</span>(<span class="lg-highlight-string">"myDatabase"</span>)<!-- -->;</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/Mongo/#mongodb-method-Mongo">
<code class="leafygreen-ui-1l06pbn">
Mongo()
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/connect/">
connect()
</a>
</p>
</div>
</div>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/command/createSearchIndexes/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
createSearchIndexes
<a class="headerlink leafygreen-ui-1kepx47" href="#createsearchindexes" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="createsearchindexes">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
<span>
Definition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#syntax" target="_self">
<span>
Syntax
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#command-fields" target="_self">
<span>
Command Fields
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#search-index-definition-syntax" target="_self">
<span>
Search Index Definition Syntax
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#vector-search-index-definition-syntax" target="_self">
<span>
Vector Search Index Definition Syntax
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#behavior" target="_self">
<span>
Behavior
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#access-control" target="_self">
<span>
Access Control
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#output" target="_self">
<span>
Output
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#examples" target="_self">
<span>
Examples
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#create-a-search-index-on-all-fields" target="_self">
<span>
Create a Search Index on All Fields
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#create-a-search-index-with-a-language-analyzer" target="_self">
<span>
Create a Search Index with a Language Analyzer
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#create-multiple-search-indexes" target="_self">
<span>
Create Multiple Search Indexes
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#create-a-vector-search-index" target="_self">
<span>
Create a Vector Search Index
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#learn-more" target="_self">
<span>
Learn More
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Definition
<a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="definition">
</div>
</a>
</h2>
<dl class="dbcommand">
<dt>
<code class="leafygreen-ui-1l06pbn">
createSearchIndexes
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-dbcommand-dbcmd.createSearchIndexes" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-dbcommand-dbcmd.createSearchIndexes">
</div>
</a>
</dt>
<dd>
</dd>
</dl>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
7.0
</em>
:
<!-- -->
<!-- -->
(
<em>
Also available starting in 6.0.7
</em>
)
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
Creates one or more
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/atlas-search/atlas-search-overview/#fts-indexes" target="_self">
<span>
Atlas Search indexes
</span>
</a>
or
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/atlas-vector-search/vector-search-overview/" target="_self">
<span>
Vector Search indexes
</span>
</a>
on a specified collection.
</p>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
method
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.createSearchIndex/#mongodb-method-db.collection.createSearchIndex">
<code class="leafygreen-ui-1l06pbn">
db.collection.createSearchIndex()
</code>
</a>
provides a wrapper around the
<code class="leafygreen-ui-1l06pbn">
createSearchIndexes
</code>
database command.
</p>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
This command can only be run on a deployment hosted on
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/" target="_self">
<span>
MongoDB Atlas
</span>
</a>
, and is
<strong>
not supported
</strong>
in
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/create-database-deployment/#std-label-atlas-choose-serverless" target="_self">
<span>
serverless instances
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Syntax
<a class="headerlink leafygreen-ui-1kepx47" href="#syntax" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="syntax">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Command syntax:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.runCommand(\n {\n createSearchIndexes: \"<collection>\",\n indexes: [\n {\n name: \"<index>\",\n type: \"<search>\",\n definition: {\n /* search index definition fields */\n }\n },\n ...\n ]\n }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">createSearchIndexes</span>: <span class="lg-highlight-string">"<collection name>"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">indexes</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">"<index name>"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">type</span>: <span class="lg-highlight-string">"<search index type>"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">definition</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">/*</span><span class="lg-highlight-comment"> search index definition </span><span class="lg-highlight-comment">fields */</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Command Fields
<a class="headerlink leafygreen-ui-1kepx47" href="#command-fields" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="command-fields">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
createSearchIndexes
</code>
command takes the following fields:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:20%"/>
<col style="width:20%"/>
<col style="width:80%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Field
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Type
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Necessity
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
createSearchIndexes
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
string
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Required
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Name of the collection on which to create the search index.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
indexes
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
array
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Required
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Array of documents describing the indexes to create.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
indexes.name
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
string
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Optional
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Name of the search index to create.
</p>
<p class="leafygreen-ui-1kp3ins">
You cannot create multiple indexes with the same name on a single
collection.
</p>
<p class="leafygreen-ui-1kp3ins">
If you do not specify a
<code class="leafygreen-ui-1l06pbn">
name
</code>
, the index is named
<code class="leafygreen-ui-1l06pbn">
default
</code>
.
</p>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
indexes.type
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
string
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Optional
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Type of search index to create. You can specify either:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
search
</code>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
vectorSearch
</code>
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
If you omit the
<code class="leafygreen-ui-1l06pbn">
type
</code>
field, the index type is
<code class="leafygreen-ui-1l06pbn">
search
</code>
.
</p>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
indexes.definition
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
document
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Required
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Document describing the index to create. The
<code class="leafygreen-ui-1l06pbn">
definition
</code>
syntax
depends on whether you create a standard search index or a Vector
Search index. For the
<code class="leafygreen-ui-1l06pbn">
definition
</code>
syntax, see:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-search-index-definition-create" target="_self">
<span>
Search Index Definition Syntax
</span>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-vector-search-index-definition-create" target="_self">
<span>
Vector Search Index Definition Syntax
</span>
</a>
</p>
</li>
</ul>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-search-index-definition-create">
</span>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Search Index Definition Syntax
<a class="headerlink leafygreen-ui-1kepx47" href="#search-index-definition-syntax" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="search-index-definition-syntax">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The search index definition takes the following fields:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n analyzer: \"<analyzer-for-index>\",\n searchAnalyzer: \"<analyzer-for-query>\",\n mappings: {\n dynamic: <boolean>,\n fields: { <field-definition> }\n },\n analyzers: [ <custom-analyzer> ],\n storedSource: <boolean> | {\n <stored-source-definition>\n },\n synonyms: [ {\n name: \"<synonym-mapping-name>\",\n source: {\n collection: \"<source-collection-name>\"\n },\n analyzer: \"<synonym-mapping-analyzer>\"\n } ]\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">analyzer</span>: <span class="lg-highlight-string">"<analyzer-for-index>"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">searchAnalyzer</span>: <span class="lg-highlight-string">"<analyzer-for-query>"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">mappings</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">dynamic</span>: <<!-- -->boolean<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">fields</span>: <!-- -->{ <<!-- -->field<!-- -->-<!-- -->definition<!-- -->> <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">analyzers</span>: <!-- -->[ <<!-- -->custom<!-- -->-<!-- -->analyzer<!-- -->> <!-- -->]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">storedSource</span>: <<!-- -->boolean<!-- -->> <!-- -->| <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <<!-- -->stored<!-- -->-<!-- -->source<!-- -->-<!-- -->definition<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">synonyms</span>: <!-- -->[ <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">"<synonym-mapping-name>"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">source</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">collection</span>: <span class="lg-highlight-string">"<source-collection-name>"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">analyzer</span>: <span class="lg-highlight-string">"<synonym-mapping-analyzer>"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> } ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:20%"/>
<col style="width:20%"/>
<col style="width:80%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Field
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Type
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Necessity
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
analyzer
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
string
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Optional
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Specifies the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/atlas-search/analyzers/#std-label-analyzers-ref" target="_self">
<span>
analyzer
</span>
</a>
to apply to
string fields when indexing.
</p>
<p class="leafygreen-ui-1kp3ins">
If you omit this field, the index uses the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/atlas-search/analyzers/standard/#std-label-ref-standard-analyzer" target="_self">
<span>
standard analyzer
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
searchAnalyzer
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
string
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Optional
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Specifies the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/atlas-search/analyzers/#std-label-analyzers-ref" target="_self">
<span>
analyzer
</span>
</a>
to apply to query
text before the text is searched.
</p>
<p class="leafygreen-ui-1kp3ins">
If you omit this field, the index uses the same analyzer specified
in the
<code class="leafygreen-ui-1l06pbn">
analyzer
</code>
field.
</p>
<p class="leafygreen-ui-1kp3ins">
If you omit both the
<code class="leafygreen-ui-1l06pbn">
searchAnalyzer
</code>
and the
<code class="leafygreen-ui-1l06pbn">
analyzer
</code>
fields, the index uses the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/atlas-search/analyzers/standard/#std-label-ref-standard-analyzer" target="_self">
<span>
standard analyzer
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
mappings
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
object
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Optional
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Specifies how to index fields on different paths for this index.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
mappings.dynamic
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
boolean
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Optional
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Enables or disables dynamic field mapping for this index.
</p>
<p class="leafygreen-ui-1kp3ins">
If set to
<code class="leafygreen-ui-1l06pbn">
true
</code>
, the index contains all fields containing
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/atlas-search/define-field-mappings/#std-label-bson-data-chart" target="_self">
<span>
supported data types
<!-- -->
.
</span>
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
If set to
<code class="leafygreen-ui-1l06pbn">
false
</code>
, you must specify individual fields to index
using
<code class="leafygreen-ui-1l06pbn">
mappings.fields
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
If omitted, defaults to
<code class="leafygreen-ui-1l06pbn">
false
</code>
.
</p>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
mappings.fields
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
document
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Conditional
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Required only if dynamic mapping is disabled.
</p>
<p class="leafygreen-ui-1kp3ins">
Specifies the fields to index. To learn more, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/atlas-search/define-field-mappings/#std-label-fts-field-mappings" target="_self">
<span>
Define Field Mappings
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
analyzers
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
array
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Optional
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Specifies the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/atlas-search/analyzers/custom/#std-label-custom-analyzers" target="_self">
<span>
Custom Analyzers
</span>
</a>
to use in this index.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
storedSource
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
boolean or
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/atlas-search/stored-source-definition/#std-label-fts-stored-source-definition" target="_self">
<span>
Stored Source Definition
</span>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Optional
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Specifies document fields to store for queries performed using
the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/atlas-search/return-stored-source/#std-label-fts-return-stored-source-option" target="_self">
<span>
returnedStoredSource
</span>
</a>
option.
</p>
<p class="leafygreen-ui-1kp3ins">
You can store fields of all
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/atlas-search/define-field-mappings/#std-label-bson-data-chart" target="_self">
<span>
Data Types
</span>
</a>
on Atlas Search.
The
<code class="leafygreen-ui-1l06pbn">
storedSource
</code>
value can be one of these:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
true
</code>
, to store all fields
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
false
</code>
, to not store any fields
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
An
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/atlas-search/stored-source-definition/#std-label-fts-stored-source-document" target="_self">
<span>
object
</span>
</a>
that specifies the
fields to
<code class="leafygreen-ui-1l06pbn">
include
</code>
or
<code class="leafygreen-ui-1l06pbn">
exclude
</code>
from storage
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
If omitted, defaults to
<code class="leafygreen-ui-1l06pbn">
false
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
To learn more, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/atlas-search/stored-source-definition/#std-label-fts-stored-source-definition" target="_self">
<span>
Define Stored Source Fields in Your Atlas Search Index
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
synonyms
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
array of
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/atlas-search/synonyms/#std-label-synonyms-ref" target="_self">
<span>
Synonym Mapping Definitions
</span>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Optional
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Specifies synonym mappings to use in your index. Configuring
synonyms allows you to index and search for words that have
the same or a similar meaning.
</p>
<p class="leafygreen-ui-1kp3ins">
To learn more, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/atlas-search/synonyms/#std-label-synonyms-ref" target="_self">
<span>
Define Synonym Mappings in Your Atlas Search Index
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-vector-search-index-definition-create">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Vector Search Index Definition Syntax
<a class="headerlink leafygreen-ui-1kepx47" href="#vector-search-index-definition-syntax" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="vector-search-index-definition-syntax">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The vector search index definition takes the following fields:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n \"fields\": [\n {\n \"type\": \"vector\" | \"filter\",\n \"path\": \"<field-to-index>\",\n \"numDimensions\": <number-of-dimensions>,\n \"similarity\": \"euclidean\" | \"cosine\" | \"dotProduct\"\n }\n ]\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"fields"</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"type"</span>: <span class="lg-highlight-string">"vector"</span> <!-- -->| <span class="lg-highlight-string">"filter"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"path"</span>: <span class="lg-highlight-string">"<field-to-index>"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"numDimensions"</span>: <<!-- -->number<!-- -->-<span class="lg-highlight-keyword">of</span>-<!-- -->dimensions<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"similarity"</span>: <span class="lg-highlight-string">"euclidean"</span> <!-- -->| <span class="lg-highlight-string">"cosine"</span> <!-- -->| <span class="lg-highlight-string">"dotProduct"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For explanations of vector search index definition fields, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/atlas-vector-search/vector-search-type/#std-label-avs-types-vector-search" target="_self">
<span>
How to Index Fields for Vector Search
<!-- -->
.
</span>
</a>
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Behavior
<a class="headerlink leafygreen-ui-1kepx47" href="#behavior" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="behavior">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
createSearchIndexes
</code>
command
<!-- -->
triggers an index build. There may be a delay
between when you receive a response from the command and when the index
is ready.
</p>
<p class="leafygreen-ui-1kp3ins">
To see the status of your search indexes, use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/listSearchIndexes/#mongodb-pipeline-pipe.-listSearchIndexes">
<code class="leafygreen-ui-1l06pbn">
$listSearchIndexes
</code>
</a>
aggregation stage.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Access Control
<a class="headerlink leafygreen-ui-1kepx47" href="#access-control" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="access-control">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
If your deployment enforces access control, the user running
<!-- -->
the
<code class="leafygreen-ui-1l06pbn">
createSearchIndexes
</code>
command
<!-- -->
must have the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#mongodb-authaction-createSearchIndexes">
<code class="leafygreen-ui-1l06pbn">
createSearchIndexes
</code>
</a>
privilege
action on the database or collection:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n resource: {\n db : <database>,\n collection: <collection>\n },\n actions: [ \"createSearchIndexes\" ]\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">resource</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->db <!-- -->: <<!-- -->database<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">collection</span>: <<!-- -->collection<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">actions</span>: <!-- -->[ <span class="lg-highlight-string">"createSearchIndexes"</span> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The built-in
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/built-in-roles/#mongodb-authrole-readWrite">
<code class="leafygreen-ui-1l06pbn">
readWrite
</code>
</a>
role provides the
<code class="leafygreen-ui-1l06pbn">
createSearchIndexes
</code>
privilege. The following example grants
<code class="leafygreen-ui-1l06pbn">
accountUser01
</code>
the
<code class="leafygreen-ui-1l06pbn">
readWrite
</code>
role on the
<code class="leafygreen-ui-1l06pbn">
products
</code>
database:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.grantRolesToUser(\n \"accountUser01\",\n [ { role: \"readWrite\", db: \"products\" } ]\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">grantRolesToUser</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"accountUser01"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->[ <!-- -->{ <span class="lg-highlight-attr">role</span>: <span class="lg-highlight-string">"readWrite"</span>, <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">"products"</span> } ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Output
<a class="headerlink leafygreen-ui-1kepx47" href="#output" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="output">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
createSearchIndexes
</code>
command output resembles the following:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n ok: 1,\n indexesCreated: [\n {\n id: \"<index>\",\n name: \"<index>\"\n }\n ]\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">ok</span>: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">indexesCreated</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">id</span>: <span class="lg-highlight-string">"<index Id>"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">"<index name>"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
The response field
<code class="leafygreen-ui-1l06pbn">
ok: 1
</code>
indicates that the command was
successful. However, there may be a delay between when you receive
the response and when the created indexes are ready for use.
</p>
<p class="leafygreen-ui-1kp3ins">
To see the status of your search indexes, use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/listSearchIndexes/#mongodb-pipeline-pipe.-listSearchIndexes">
<code class="leafygreen-ui-1l06pbn">
$listSearchIndexes
</code>
</a>
aggregation stage.
</p>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Examples
<a class="headerlink leafygreen-ui-1kepx47" href="#examples" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="examples">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Create a Search Index on All Fields
<a class="headerlink leafygreen-ui-1kepx47" href="#create-a-search-index-on-all-fields" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="create-a-search-index-on-all-fields">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The following example creates a search index named
<code class="leafygreen-ui-1l06pbn">
searchIndex01
</code>
on
the
<code class="leafygreen-ui-1l06pbn">
contacts
</code>
collection:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.runCommand( {\n createSearchIndexes: \"contacts\",\n indexes: [\n {\n name: \"searchIndex01\",\n definition: { mappings: { dynamic: true } }\n }\n ]\n} )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>( <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">createSearchIndexes</span>: <span class="lg-highlight-string">"contacts"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">indexes</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">"searchIndex01"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">definition</span>: <!-- -->{ <span class="lg-highlight-attr">mappings</span>: <!-- -->{ <span class="lg-highlight-attr">dynamic</span>: <span class="lg-highlight-literal">true</span> } }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">} )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The index definition specifies
<code class="leafygreen-ui-1l06pbn">
mappings: { dynamic: true }
</code>
, which
means that the index contains all fields in the collection that have
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/atlas-search/define-field-mappings/#std-label-bson-data-chart" target="_self">
<span>
supported data types
<!-- -->
.
</span>
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Create a Search Index with a Language Analyzer
<a class="headerlink leafygreen-ui-1kepx47" href="#create-a-search-index-with-a-language-analyzer" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="create-a-search-index-with-a-language-analyzer">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
A language analyzer introduces stop-words, which are words that are not
significant enough to be indexed.
</p>
<p class="leafygreen-ui-1kp3ins">
The following example creates a search index named
<code class="leafygreen-ui-1l06pbn">
frenchIndex01
</code>
on
the
<code class="leafygreen-ui-1l06pbn">
cars
</code>
collection, and specifies the
<code class="leafygreen-ui-1l06pbn">
lucene.french
</code>
analyzer on
the
<code class="leafygreen-ui-1l06pbn">
fr
</code>
field:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.runCommand( {\n createSearchIndexes: \"cars\",\n indexes: [\n {\n name: \"frenchIndex01\",\n definition: {\n mappings: {\n fields: {\n subject: {\n fields: {\n fr: {\n analyzer: \"lucene.french\",\n type: \"string\"\n }\n },\n type: \"document\"\n }\n }\n }\n }\n }\n ]\n} )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>( <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">createSearchIndexes</span>: <span class="lg-highlight-string">"cars"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">indexes</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">"frenchIndex01"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">definition</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">mappings</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">fields</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">subject</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">fields</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">fr</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">analyzer</span>: <span class="lg-highlight-string">"lucene.french"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">type</span>: <span class="lg-highlight-string">"string"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">type</span>: <span class="lg-highlight-string">"document"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">} )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
To learn more about language analyzers, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/atlas-search/analyzers/language/#std-label-ref-language-analyzers" target="_self">
<span>
Language Analyzers
<!-- -->
.
</span>
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Create Multiple Search Indexes
<a class="headerlink leafygreen-ui-1kepx47" href="#create-multiple-search-indexes" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="create-multiple-search-indexes">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The following command creates two search indexes on the
<code class="leafygreen-ui-1l06pbn">
products
</code>
collection,
<code class="leafygreen-ui-1l06pbn">
searchIndex02
</code>
and
<code class="leafygreen-ui-1l06pbn">
searchIndex03
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.runCommand( {\n createSearchIndexes: \"products\",\n indexes: [\n {\n name: \"searchIndex02\",\n definition: {\n mappings: {\n fields: {\n title: {\n type: \"string\",\n analyzer: \"lucene.simple\"\n }\n }\n }\n }\n },\n {\n name: \"searchIndex03\",\n definition:\n {\n mappings: { dynamic: true }\n }\n }\n ]\n} )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>( <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">createSearchIndexes</span>: <span class="lg-highlight-string">"products"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">indexes</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">"searchIndex02"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">definition</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">mappings</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">fields</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">title</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">type</span>: <span class="lg-highlight-string">"string"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">analyzer</span>: <span class="lg-highlight-string">"lucene.simple"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">"searchIndex03"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">definition</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">mappings</span>: <!-- -->{ <span class="lg-highlight-attr">dynamic</span>: <span class="lg-highlight-literal">true</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">} )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
searchIndex02
</code>
uses a
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/atlas-search/analyzers/simple/#std-label-ref-simple-analyzer" target="_self">
<span>
simple analyzer
</span>
</a>
on
the
<code class="leafygreen-ui-1l06pbn">
title
</code>
field. The simple analyzer divides text into searchable
terms based on non-letter characters, such as whitespace, punctuation,
or digits.
</p>
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
searchIndex03
</code>
uses a dynamic field mapping, meaning the index
contains all fields in the collection that have
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/atlas-search/define-field-mappings/#std-label-bson-data-chart" target="_self">
<span>
supported data
types
<!-- -->
.
</span>
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Create a Vector Search Index
<a class="headerlink leafygreen-ui-1kepx47" href="#create-a-vector-search-index" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="create-a-vector-search-index">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The following example creates a vector search index named
<code class="leafygreen-ui-1l06pbn">
vectorSearchIndex01
</code>
on the
<code class="leafygreen-ui-1l06pbn">
movies
</code>
collection:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.runCommand( {\n createSearchIndexes: \"movies\",\n indexes: [\n {\n name: \"vectorSearchIndex01\",\n type: \"vectorSearch\",\n definition: {\n fields: [\n {\n type: \"vector\",\n numDimensions: 1,\n path: \"genre\",\n similarity: \"cosine\"\n }\n ]\n }\n }\n ]\n} )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>( <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">createSearchIndexes</span>: <span class="lg-highlight-string">"movies"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">indexes</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">"vectorSearchIndex01"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">type</span>: <span class="lg-highlight-string">"vectorSearch"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">definition</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">fields</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">type</span>: <span class="lg-highlight-string">"vector"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">numDimensions</span>: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">path</span>: <span class="lg-highlight-string">"genre"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">similarity</span>: <span class="lg-highlight-string">"cosine"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">} )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The vector search index contains one dimension and indexes the
<code class="leafygreen-ui-1l06pbn">
genre
</code>
field.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Learn More
<a class="headerlink leafygreen-ui-1kepx47" href="#learn-more" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="learn-more">
</div>
</a>
</h2>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/atlas-vector-search/vector-search-stage/#mongodb-pipeline-pipe.-vectorSearch" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$vectorSearch
</code>
</span>
</a>
aggregation stage
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/atlas-vector-search/tutorials/vector-search-tutorial/#std-label-vector-search-tutorial" target="_self">
<span>
Tutorial: Semantic Search
</span>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/atlas-vector-search/changelog/" target="_self">
<span>
Atlas Vector Search Changelog
</span>
</a>
</p>
</li>
</ul>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/operator/aggregation/zip/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
$zip (aggregation)
<a class="headerlink leafygreen-ui-1kepx47" href="#-zip--aggregation-" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="-zip--aggregation-">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
<span>
Definition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#behavior" target="_self">
<span>
Behavior
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#example" target="_self">
<span>
Example
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Definition
<a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="definition">
</div>
</a>
</h2>
<dl class="expression">
<dt>
<code class="leafygreen-ui-1l06pbn">
$zip
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-expression-exp.-zip" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-expression-exp.-zip">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Transposes an array of input arrays so that the first element of
the output array would be an array containing, the first element of
the first input array, the first element of the second input array,
etc.
</p>
<p class="leafygreen-ui-1kp3ins">
For example,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-expression-exp.-zip" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$zip
</code>
</span>
</a>
would transform
<code class="leafygreen-ui-1l06pbn">
[ [ 1, 2, 3 ], [ "a", "b", "c" ] ]
</code>
into
<code class="leafygreen-ui-1l06pbn">
[ [ 1, "a" ], [ 2, "b" ], [ 3, "c" ] ]
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-expression-exp.-zip" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$zip
</code>
</span>
</a>
has the following syntax:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n $zip: {\n inputs: [ <array>, ... ],\n useLongestLength: <boolean>,\n defaults: <array>\n }\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$zip</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">inputs</span>: <!-- -->[ <!-- --><array expression1>, ... ],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> useLongestLength: <boolean>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> defaults: <array expression></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:30%"/>
<col style="width:65%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Operand
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
inputs
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
An array of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/#std-label-aggregation-expressions">
expressions
</a>
that
resolve to arrays. The elements of these input arrays combine
to form the arrays of the output array.
</p>
<p class="leafygreen-ui-1kp3ins">
If any of the
<code class="leafygreen-ui-1l06pbn">
inputs
</code>
arrays resolves to a value of
<code class="leafygreen-ui-1l06pbn">
null
</code>
or refers to a
missing field,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-expression-exp.-zip" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$zip
</code>
</span>
</a>
returns
<code class="leafygreen-ui-1l06pbn">
null
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
If any of the
<code class="leafygreen-ui-1l06pbn">
inputs
</code>
arrays does not resolve to an array or
<code class="leafygreen-ui-1l06pbn">
null
</code>
nor refers
to a missing field,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-expression-exp.-zip" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$zip
</code>
</span>
</a>
returns an error.
</p>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
useLongestLength
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
A boolean which specifies whether the length of the longest
array determines the number of arrays in the output array.
</p>
<p class="leafygreen-ui-1kp3ins">
The default value is
<code class="leafygreen-ui-1l06pbn">
false
</code>
: the shortest array length
determines the number of arrays in the output array.
</p>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
defaults
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
An array of default element values to use if the input arrays
have different lengths. You must specify
<code class="leafygreen-ui-1l06pbn">
useLongestLength: true
</code>
along with this field, or else
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-expression-exp.-zip" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$zip
</code>
</span>
</a>
will return an error.
</p>
<p class="leafygreen-ui-1kp3ins">
If
<code class="leafygreen-ui-1l06pbn">
useLongestLength: true
</code>
but
<code class="leafygreen-ui-1l06pbn">
defaults
</code>
is empty or not
specified,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-expression-exp.-zip" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$zip
</code>
</span>
</a>
uses
<code class="leafygreen-ui-1l06pbn">
null
</code>
as the default
value.
</p>
<p class="leafygreen-ui-1kp3ins">
If specifying a non-empty
<code class="leafygreen-ui-1l06pbn">
defaults
</code>
, you must specify a
default for
<em>
each
</em>
input array or else
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-expression-exp.-zip" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$zip
</code>
</span>
</a>
will return an error.
</p>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</dd>
</dl>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Behavior
<a class="headerlink leafygreen-ui-1kepx47" href="#behavior" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="behavior">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The input arrays do not need to be of the same length. By default,
the output array has the length of the shortest input array, but the
<code class="leafygreen-ui-1l06pbn">
useLongestLength
</code>
option instructs
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-expression-exp.-zip" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$zip
</code>
</span>
</a>
to output
an array as long as the longest input array.
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:55%"/>
<col style="width:35%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Example
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Results
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ $zip: { inputs: [ [ \"a\" ], [ \"b\" ], [ \"c\" ] ] }","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-tyg50d">
<pre class="leafygreen-ui-1agdxuk" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">$zip</span>: <!-- -->{ <span class="lg-highlight-attr">inputs</span>: <!-- -->[ <!-- -->[ <span class="lg-highlight-string">"a"</span> ]<!-- -->, <!-- -->[ <span class="lg-highlight-string">"b"</span> ]<!-- -->, <!-- -->[ <span class="lg-highlight-string">"c"</span> ] ] }</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"[ [ \"a\", \"b\", \"c\" ] ]","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1agdxuk" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">[ <!-- -->[ <span class="lg-highlight-string">"a"</span>, <span class="lg-highlight-string">"b"</span>, <span class="lg-highlight-string">"c"</span> ] ]</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ $zip: { inputs: [ [ \"a\" ], [ \"b\", \"c\" ] ] } }","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-tyg50d">
<pre class="leafygreen-ui-1agdxuk" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">$zip</span>: <!-- -->{ <span class="lg-highlight-attr">inputs</span>: <!-- -->[ <!-- -->[ <span class="lg-highlight-string">"a"</span> ]<!-- -->, <!-- -->[ <span class="lg-highlight-string">"b"</span>, <span class="lg-highlight-string">"c"</span> ] ] } }</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"[ [ \"a\", \"b\" ] ]","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1agdxuk" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">[ <!-- -->[ <span class="lg-highlight-string">"a"</span>, <span class="lg-highlight-string">"b"</span> ] ]</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n $zip: {\n inputs: [ [ 1 ], [ 2, 3 ] ],\n useLongestLength: true\n }\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$zip</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">inputs</span>: <!-- -->[ <!-- -->[ <span class="lg-highlight-number">1</span> ]<!-- -->, <!-- -->[ <span class="lg-highlight-number">2</span>, <span class="lg-highlight-number">3</span> ] ]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">useLongestLength</span>: <span class="lg-highlight-literal">true</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"[ [ 1, 2 ], [ null, 3 ] ]","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1agdxuk" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">[ <!-- -->[ <span class="lg-highlight-number">1</span>, <span class="lg-highlight-number">2</span> ]<!-- -->, <!-- -->[ <span class="lg-highlight-literal">null</span>, <span class="lg-highlight-number">3</span> ] ]</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n $zip: {\n inputs: [ [ 1 ], [ 2, 3 ], [ 4 ] ],\n useLongestLength: true,\n defaults: [ \"a\", \"b\", \"c\" ]\n }\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-tyg50d">
<pre class="leafygreen-ui-1453az5" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$zip</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">inputs</span>: <!-- -->[ <!-- -->[ <span class="lg-highlight-number">1</span> ]<!-- -->, <!-- -->[ <span class="lg-highlight-number">2</span>, <span class="lg-highlight-number">3</span> ]<!-- -->, <!-- -->[ <span class="lg-highlight-number">4</span> ] ]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">useLongestLength</span>: <span class="lg-highlight-literal">true</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">defaults</span>: <!-- -->[ <span class="lg-highlight-string">"a"</span>, <span class="lg-highlight-string">"b"</span>, <span class="lg-highlight-string">"c"</span> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Because
<code class="leafygreen-ui-1l06pbn">
useLongestLength: true
</code>
,
<code class="leafygreen-ui-1l06pbn">
$zip
</code>
will pad the shorter
input arrays with the corresponding
<code class="leafygreen-ui-1l06pbn">
defaults
</code>
elements.
</p>
<p class="leafygreen-ui-1kp3ins">
This yields
<code class="leafygreen-ui-1l06pbn">
[ [ 1, 2, 4 ], [ "a", 3, "c" ] ]
</code>
.
</p>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Example
<a class="headerlink leafygreen-ui-1kepx47" href="#example" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="example">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Matrix Transposition
<a class="headerlink leafygreen-ui-1kepx47" href="#matrix-transposition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="matrix-transposition">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
A collection called
<code class="leafygreen-ui-1l06pbn">
matrices
</code>
contains the following documents:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.matrices.insertMany([\n { matrix: [[1, 2], [2, 3], [3, 4]] },\n { matrix: [[8, 7], [7, 6], [5, 4]] },\n])","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">matrices</span>.<span class="lg-highlight-title lg-highlight-function">insertMany</span>(<!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">matrix</span>: <!-- -->[<!-- -->[<span class="lg-highlight-number">1</span>, <span class="lg-highlight-number">2</span>]<!-- -->, <!-- -->[<span class="lg-highlight-number">2</span>, <span class="lg-highlight-number">3</span>]<!-- -->, <!-- -->[<span class="lg-highlight-number">3</span>, <span class="lg-highlight-number">4</span>]] }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">matrix</span>: <!-- -->[<!-- -->[<span class="lg-highlight-number">8</span>, <span class="lg-highlight-number">7</span>]<!-- -->, <!-- -->[<span class="lg-highlight-number">7</span>, <span class="lg-highlight-number">6</span>]<!-- -->, <!-- -->[<span class="lg-highlight-number">5</span>, <span class="lg-highlight-number">4</span>]] }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">])</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
To compute the transpose of each 3x2 matrix in this collection, you can
use the following aggregation operation:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.matrices.aggregate([{\n $project: {\n _id: false,\n transposed: {\n $zip: {\n inputs: [\n { $arrayElemAt: [ \"$matrix\", 0 ] },\n { $arrayElemAt: [ \"$matrix\", 1 ] },\n { $arrayElemAt: [ \"$matrix\", 2 ] },\n ]\n }\n }\n }\n}])","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">matrices</span>.<span class="lg-highlight-title lg-highlight-function">aggregate</span>(<!-- -->[<!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$project</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-literal">false</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">transposed</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$zip</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">inputs</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">$arrayElemAt</span>: <!-- -->[ <span class="lg-highlight-string">"$matrix"</span>, <span class="lg-highlight-number">0</span> ] }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">$arrayElemAt</span>: <!-- -->[ <span class="lg-highlight-string">"$matrix"</span>, <span class="lg-highlight-number">1</span> ] }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">$arrayElemAt</span>: <!-- -->[ <span class="lg-highlight-string">"$matrix"</span>, <span class="lg-highlight-number">2</span> ] }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}])</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
This will return the following 2x3 matrices:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ \"transposed\" : [ [ 1, 2, 3 ], [ 2, 3, 4 ] ] }\n{ \"transposed\" : [ [ 8, 7, 5 ], [ 7, 6, 4 ] ] }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"transposed"</span> <!-- -->: <!-- -->[ <!-- -->[ <span class="lg-highlight-number">1</span>, <span class="lg-highlight-number">2</span>, <span class="lg-highlight-number">3</span> ]<!-- -->, <!-- -->[ <span class="lg-highlight-number">2</span>, <span class="lg-highlight-number">3</span>, <span class="lg-highlight-number">4</span> ] ] }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"transposed"</span> <!-- -->: <!-- -->[ <!-- -->[ <span class="lg-highlight-number">8</span>, <span class="lg-highlight-number">7</span>, <span class="lg-highlight-number">5</span> ]<!-- -->, <!-- -->[ <span class="lg-highlight-number">7</span>, <span class="lg-highlight-number">6</span>, <span class="lg-highlight-number">4</span> ] ] }</td></tr></tbody></table></code></pre>
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<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Filtering and Preserving Indexes
<a class="headerlink leafygreen-ui-1kepx47" href="#filtering-and-preserving-indexes" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="filtering-and-preserving-indexes">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
You can use
<code class="leafygreen-ui-1l06pbn">
$zip
</code>
with
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/filter/#mongodb-expression-exp.-filter">
<code class="leafygreen-ui-1l06pbn">
$filter
</code>
</a>
to obtain a subset of
elements in an array, saving the original index alongside each
retained element.
</p>
<p class="leafygreen-ui-1kp3ins">
A collection called
<code class="leafygreen-ui-1l06pbn">
pages
</code>
contains the following document:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.pages.insertOne( {\n \"category\": \"unix\",\n \"pages\": [\n { \"title\": \"awk for beginners\", reviews: 5 },\n { \"title\": \"sed for newbies\", reviews: 0 },\n { \"title\": \"grep made simple\", reviews: 2 },\n] } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">pages</span>.<span class="lg-highlight-title lg-highlight-function">insertOne</span>( <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"category"</span>: <span class="lg-highlight-string">"unix"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"pages"</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-string">"title"</span>: <span class="lg-highlight-string">"awk for beginners"</span>, <span class="lg-highlight-attr">reviews</span>: <span class="lg-highlight-number">5</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-string">"title"</span>: <span class="lg-highlight-string">"sed for newbies"</span>, <span class="lg-highlight-attr">reviews</span>: <span class="lg-highlight-number">0</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-string">"title"</span>: <span class="lg-highlight-string">"grep made simple"</span>, <span class="lg-highlight-attr">reviews</span>: <span class="lg-highlight-number">2</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">] } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The following aggregation pipeline will first zip the elements of the
<code class="leafygreen-ui-1l06pbn">
pages
</code>
array together with their index, and then filter out only the
pages with at least one review:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.pages.aggregate([{\n $project: {\n _id: false,\n pages: {\n $filter: {\n input: {\n $zip: {\n inputs: [ \"$pages\", { $range: [0, { $size: \"$pages\" }] } ]\n }\n },\n as: \"pageWithIndex\",\n cond: {\n $let: {\n vars: {\n page: { $arrayElemAt: [ \"$$pageWithIndex\", 0 ] }\n },\n in: { $gte: [ \"$$page.reviews\", 1 ] }\n }\n }\n }\n }\n }\n}])","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">pages</span>.<span class="lg-highlight-title lg-highlight-function">aggregate</span>(<!-- -->[<!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$project</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-literal">false</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">pages</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$filter</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">input</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$zip</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">inputs</span>: <!-- -->[ <span class="lg-highlight-string">"$pages"</span>, <!-- -->{ <span class="lg-highlight-attr">$range</span>: <!-- -->[<span class="lg-highlight-number">0</span>, <!-- -->{ <span class="lg-highlight-attr">$size</span>: <span class="lg-highlight-string">"$pages"</span> }] } ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">as</span>: <span class="lg-highlight-string">"pageWithIndex"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">cond</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$let</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">vars</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">page</span>: <!-- -->{ <span class="lg-highlight-attr">$arrayElemAt</span>: <!-- -->[ <span class="lg-highlight-string">"$$pageWithIndex"</span>, <span class="lg-highlight-number">0</span> ] }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">in</span>: <!-- -->{ <span class="lg-highlight-attr">$gte</span>: <!-- -->[ <span class="lg-highlight-string">"$$page.reviews"</span>, <span class="lg-highlight-number">1</span> ] }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}])</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
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<p class="leafygreen-ui-1kp3ins">
This will return the following document:
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n \"pages\" : [\n [ { \"title\" : \"awk for beginners\", \"reviews\" : 5 }, 0 ],\n [ { \"title\" : \"grep made simple\", \"reviews\" : 2 }, 2 ] ]\n}","programmingLanguage":"JavaScript"}
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<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"pages"</span> <!-- -->: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->[ <!-- -->{ <span class="lg-highlight-string">"title"</span> <!-- -->: <span class="lg-highlight-string">"awk for beginners"</span>, <span class="lg-highlight-string">"reviews"</span> <!-- -->: <span class="lg-highlight-number">5</span> }<!-- -->, <span class="lg-highlight-number">0</span> ]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->[ <!-- -->{ <span class="lg-highlight-string">"title"</span> <!-- -->: <span class="lg-highlight-string">"grep made simple"</span>, <span class="lg-highlight-string">"reviews"</span> <!-- -->: <span class="lg-highlight-number">2</span> }<!-- -->, <span class="lg-highlight-number">2</span> ] ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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</section>
</section>
</section>
|
https://www.mongodb.com/docs/manual/release-notes/8.0/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Release Notes for MongoDB 8.0
<a class="headerlink leafygreen-ui-1kepx47" href="#release-notes-for-mongodb-8.0" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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</svg>
<div class="css-1btu0w3 evvkmar0" id="release-notes-for-mongodb-8.0">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#patch-releases" target="_self">
<span>
Patch Releases
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#platform-support-updates" target="_self">
<span>
Platform Support Updates
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#logging" target="_self">
<span>
Logging
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#aggregation" target="_self">
<span>
Aggregation
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#security" target="_self">
<span>
Security
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#sharding" target="_self">
<span>
Sharding
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#replication" target="_self">
<span>
Replication
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#upgraded-tcmalloc" target="_self">
<span>
Upgraded TCMalloc
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#general-changes" target="_self">
<span>
General Changes
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#known-issues" target="_self">
<span>
Known Issues
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#upgrade-procedures" target="_self">
<span>
Upgrade Procedures
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#download" target="_self">
<span>
Download
</span>
</a>
</li>
</ul>
</div>
<p class="leafygreen-ui-1kp3ins">
This page describes changes and new features introduced in MongoDB 8.0.
</p>
<p class="leafygreen-ui-1kp3ins">
MongoDB 8.0 is a
<!-- -->
Major
<!-- -->
Release, which means that it is supported for
both MongoDB Atlas and on-premises deployments. MongoDB 8.0 includes
changes introduced in MongoDB Rapid Releases 7.1, 7.2, and 7.3. This page
describes changes introduced in those Rapid Releases and MongoDB 8.0.
</p>
<p class="leafygreen-ui-1kp3ins">
To learn more about the differences between
<!-- -->
Major
<!-- -->
and Rapid releases,
see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/versioning/#std-label-release-version-numbers">
MongoDB Versioning
<!-- -->
.
</a>
</p>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Patch Releases
<a class="headerlink leafygreen-ui-1kepx47" href="#patch-releases" title="Permalink to this heading">
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<div class="css-1btu0w3 evvkmar0" id="patch-releases">
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</h2>
<span class="leafygreen-ui-1qnjd6d" id="std-label-8.0.1-release-notes">
</span>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
8.0.1 - Oct 9, 2024
<a class="headerlink leafygreen-ui-1kepx47" href="#8.0.1---oct-9--2024" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="8.0.1---oct-9--2024">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Issues fixed:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://jira.mongodb.org/browse/SERVER-76883" rel="noopener noreferrer">
<span>
SERVER-76883
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
Reduce chattiness of "Role does not exist" logs
for externally sourced users
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://jira.mongodb.org/browse/SERVER-82221" rel="noopener noreferrer">
<span>
SERVER-82221
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
listCollections and listIndexes should include
commit-pending namespaces
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://jira.mongodb.org/browse/SERVER-94635" rel="noopener noreferrer">
<span>
SERVER-94635
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
Make session refresh parameters configurable
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://jira.mongodb.org/browse/SERVER-95244" rel="noopener noreferrer">
<span>
SERVER-95244
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
Upsert statements which result in an insert may
fail with tassert 9146500 when client connects directly to shard
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://jira.mongodb.org/browse/WT-13409" rel="noopener noreferrer">
<span>
WT-13409
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
One ret in __txn_checkpoint is not handled
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://jira.mongodb.org/issues/?jql=project%20in%20(SERVER%2CTOOLS%2CWT)%20AND%20resolution%3D%27Fixed%27%20and%20fixversion%3D8.0.1" rel="noopener noreferrer">
<span>
All Jira issues closed in 8.0.1
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/release-notes/8.0-changelog/#std-label-8.0.1-changelog">
8.0.1 Changelog
</a>
</p>
</li>
</ul>
<span class="leafygreen-ui-1qnjd6d" id="std-label-8.0.0-release-notes">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
8.0.0 - Oct 2, 2024
<a class="headerlink leafygreen-ui-1kepx47" href="#8.0.0---oct-2--2024" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="8.0.0---oct-2--2024">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The rest of this page describes changes and new features introduced in MongoDB
8.0.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Platform Support Updates
<a class="headerlink leafygreen-ui-1kepx47" href="#platform-support-updates" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="platform-support-updates">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, new MongoDB Server versions (major and minor)
support the minimum operating system (OS) minor version defined by the
OS vendor. After an OS minor version is no longer supported by the OS
vendor, MongoDB updates the MongoDB Server to support the next OS minor
version. For details, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/blog/post/announcing-mongodb-server-8-0-platform-support-improvements" target="_self">
<span>
MongoDB Platform Support Improvements
</span>
</a>
.
</p>
<p class="leafygreen-ui-1kp3ins">
MongoDB 8.0 supports the following minimum OS minor versions:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Red Hat Enterprise Linux 8.8
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Red Hat Enterprise Linux 9.3
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
SUSE Linux Enterprise Server 15 SP5
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Amazon Linux 2023 version 2023.3
</p>
</li>
</ul>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Logging
<a class="headerlink leafygreen-ui-1kepx47" href="#logging" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="logging">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, you can configure the Database Profiler to log
slow operations based on the time that MongoDB spends working on that
operation, rather than the total latency for the operation. This means
that factors such as waiting for locks and flow control do not affect
whether an operation exceeds the slow operation threshold.
</p>
<p class="leafygreen-ui-1kp3ins">
This change provides the following improvements for logging and query
analysis:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Slow queries are logged more accurately based on the time MongoDB
spends processing the query.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Query analysis tools such as the Query Profiler, Performance Advisor,
and Search Query Telemetry report slow operations based on
<code class="leafygreen-ui-1l06pbn">
workingMillis
</code>
instead of
<code class="leafygreen-ui-1l06pbn">
durationMillis
</code>
. This change provides
a more accurate view of problematic queries.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/log-messages/#std-label-log-message-json-examples-slow-op">
Slow query logs
</a>
include a
metric for the time queued on execution tickets,
<code class="leafygreen-ui-1l06pbn">
queues.execution.totalTimeQueuedMicros
</code>
. This metric helps identify
whether an operation is slow because of the time it takes to complete,
or the time it spends waiting to start.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
For more information, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.setProfilingLevel/#mongodb-method-db.setProfilingLevel">
<code class="leafygreen-ui-1l06pbn">
db.setProfilingLevel()
</code>
.
</a>
</p>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Database Profiler
<a class="headerlink leafygreen-ui-1kepx47" href="#database-profiler" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="database-profiler">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
When you specify a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.setProfilingLevel/#std-label-set-profiling-level-options-filter">
filter
</a>
for the database profiler, you can log operations based on the new
<code class="leafygreen-ui-1l06pbn">
workingMillis
</code>
metric. You can log operations based on both
<code class="leafygreen-ui-1l06pbn">
workingMillis
</code>
and
<code class="leafygreen-ui-1l06pbn">
durationMillis
</code>
and set each metric to a
different threshold.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Aggregation
<a class="headerlink leafygreen-ui-1kepx47" href="#aggregation" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="aggregation">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
BinData Conversion
<a class="headerlink leafygreen-ui-1kepx47" href="#bindata-conversion" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="bindata-conversion">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, you can use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/convert/#mongodb-expression-exp.-convert">
<code class="leafygreen-ui-1l06pbn">
$convert
</code>
</a>
operator
to perform the following conversions:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
String values to binData values
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
binData values to string values
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
MongoDB 8.0 also includes a new helper expression,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/toUUID/#mongodb-expression-exp.-toUUID">
<code class="leafygreen-ui-1l06pbn">
$toUUID
</code>
</a>
, which provides simplified syntax for converting
strings to
<span class="leafygreen-ui-vm4wms" tabindex="0">
UUID
</span>
values.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
$queryStats
<a class="headerlink leafygreen-ui-1kepx47" href="#-querystats" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="-querystats">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 7.1, the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/queryStats/#mongodb-pipeline-pipe.-queryStats">
<code class="leafygreen-ui-1l06pbn">
$queryStats
</code>
</a>
stage returns statistics
for recorded queries.
</p>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Change Stream Improvements
<a class="headerlink leafygreen-ui-1kepx47" href="#change-stream-improvements" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="change-stream-improvements">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/queryStats/#mongodb-pipeline-pipe.-queryStats">
<code class="leafygreen-ui-1l06pbn">
$queryStats
</code>
</a>
improves tracking and
reporting metrics for change streams. For more information, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/queryStats/#std-label-queryStats-change-stream-behavior">
$queryStats Change Streams Behavior
<!-- -->
.
</a>
</p>
</section>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
$rank and $denseRank Behavior
<a class="headerlink leafygreen-ui-1kepx47" href="#-rank-and--denserank-behavior" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="-rank-and--denserank-behavior">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0,
<code class="leafygreen-ui-1l06pbn">
null
</code>
and missing field values in
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/denseRank/#mongodb-group-grp.-denseRank">
<code class="leafygreen-ui-1l06pbn">
$denseRank
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/rank/#mongodb-group-grp.-rank">
<code class="leafygreen-ui-1l06pbn">
$rank
</code>
</a>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/setWindowFields/#std-label-setWindowFields-sortBy">
sortBy
</a>
operations
are treated the same when calculating rankings. This change makes
the behavior of
<code class="leafygreen-ui-1l06pbn">
denseRank
</code>
and
<code class="leafygreen-ui-1l06pbn">
rank
</code>
consistent with
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/sort/#mongodb-pipeline-pipe.-sort">
<code class="leafygreen-ui-1l06pbn">
$sort
</code>
.
</a>
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-8.0-security-changes">
</span>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Security
<a class="headerlink leafygreen-ui-1kepx47" href="#security" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="security">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Queryable Encryption Range Queries
<a class="headerlink leafygreen-ui-1kepx47" href="#queryable-encryption-range-queries" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="queryable-encryption-range-queries">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/queryable-encryption/#std-label-qe-manual-feature-qe">
Queryable Encryption
</a>
supports range queries on encrypted fields using the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/query/lt/#mongodb-query-op.-lt">
<code class="leafygreen-ui-1l06pbn">
$lt
</code>
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/query/lte/#mongodb-query-op.-lte">
<code class="leafygreen-ui-1l06pbn">
$lte
</code>
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/query/gt/#mongodb-query-op.-gt">
<code class="leafygreen-ui-1l06pbn">
$gt
</code>
</a>
, and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/query/gte/#mongodb-query-op.-gte">
<code class="leafygreen-ui-1l06pbn">
$gte
</code>
</a>
operators. For details, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/queryable-encryption/reference/supported-operations/#std-label-qe-reference-automatic-encryption-supported-operations">
Supported Operations for Queryable Encryption
</a>
. To enable range
queries on encrypted fields, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/queryable-encryption/qe-create-encryption-schema/#std-label-qe-create-encryption-schema">
Create an Encryption Schema
<!-- -->
.
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
OCSF Schema for Log Messages
<a class="headerlink leafygreen-ui-1kepx47" href="#ocsf-schema-for-log-messages" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="ocsf-schema-for-log-messages">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, you can specify the
<span class="leafygreen-ui-vm4wms" tabindex="0">
OCSF
</span>
schema for audit
log messages. The OCSF schema provides logs in a standardized format
compatible with log processors.
</p>
<p class="leafygreen-ui-1kp3ins">
To set the schema used for log messages, use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-auditLog.schema">
<code class="leafygreen-ui-1l06pbn">
auditLog.schema
</code>
</a>
configuration file option.
</p>
<p class="leafygreen-ui-1kp3ins">
For example log messages in OCSF format, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/audit-message/ocsf/#std-label-event-audit-messages-ocsf">
OCSF Schema Audit Messages
<!-- -->
.
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Ingress Queue
<a class="headerlink leafygreen-ui-1kepx47" href="#ingress-queue" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="ingress-queue">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
MongoDB 8.0 introduces a new queue for ingress admission control.
Operations that wait for entry into the database from the network
enter the ingress queue. By default, the queue is unrestricted,
meaning that MongoDB allows all operations to execute through this
stage without any queueing. Setting the queue maximum to a specific
value allows you to queue operations at this stage if the number of
oncurrent operations reaches the specified limit.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Sharding
<a class="headerlink leafygreen-ui-1kepx47" href="#sharding" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="sharding">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, you can unshard collections and move unsharded
collections between shards on sharded clusters.
</p>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Moving a Collection
<a class="headerlink leafygreen-ui-1kepx47" href="#moving-a-collection" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="moving-a-collection">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, you can move an unsharded collection to a
different shard using the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/moveCollection/#mongodb-dbcommand-dbcmd.moveCollection">
<code class="leafygreen-ui-1l06pbn">
moveCollection
</code>
</a>
command.
</p>
<p class="leafygreen-ui-1kp3ins">
For details, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/moveable-collections/#std-label-moveable-collections">
Moveable Collections
</a>
. To get started, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/move-a-collection/#std-label-task-move-a-collection">
Move a Collection
<!-- -->
.
</a>
</p>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Moving Collections that have Change Streams
<a class="headerlink leafygreen-ui-1kepx47" href="#moving-collections-that-have-change-streams" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="moving-collections-that-have-change-streams">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0,
<code class="leafygreen-ui-1l06pbn">
movePrimary
</code>
doesn't
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/change-events/invalidate/#std-label-change-event-invalidate">
invalidate
</a>
collections that have
<a class="leafygreen-ui-tqgtui" href="/docs/manual/changeStreams/#std-label-changeStreams">
change
streams
</a>
. The change streams can continue to read events
from collections after the collections are moved to a new shard.
</p>
<p class="leafygreen-ui-1kp3ins">
For details, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/movePrimary/#std-label-movePrimary-change-streams">
Moving Collections that have Change Streams
<!-- -->
.
</a>
</p>
</section>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Unsharding a Collection
<a class="headerlink leafygreen-ui-1kepx47" href="#unsharding-a-collection" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="unsharding-a-collection">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, you can unshard existing sharded collections with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/unshardCollection/#mongodb-dbcommand-dbcmd.unshardCollection">
<code class="leafygreen-ui-1l06pbn">
unshardCollection
</code>
</a>
command or the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/sh.unshardCollection/#mongodb-method-sh.unshardCollection">
<code class="leafygreen-ui-1l06pbn">
sh.unshardCollection()
</code>
</a>
method. This operation moves all documents in the collection onto a specified
shard or the shard with the least amount of data.
</p>
<p class="leafygreen-ui-1kp3ins">
For details, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/unsharded-collections/#std-label-unsharded-collections-concept">
Unsharded Collections
</a>
. To get started,
see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/unshard-collection/#std-label-unshard-collection-task">
Unshard a Collection
<!-- -->
.
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Config Shards
<a class="headerlink leafygreen-ui-1kepx47" href="#config-shards" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="config-shards">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, you can configure a config server to store your
application data in addition to the usual sharded cluster metadata. A
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
node that provides both config server and shard server
functionality is called a config shard. A
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
node that runs as a
standalone
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--configsvr">
<code class="leafygreen-ui-1l06pbn">
--configsvr
</code>
</a>
without shard server functionality
is called a dedicated
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharded-cluster-config-servers/#std-label-sharded-cluster-config-server">
config server
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
To configure a dedicated config server to run as a config shard, run the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/transitionFromDedicatedConfigServer/#mongodb-dbcommand-dbcmd.transitionFromDedicatedConfigServer">
<code class="leafygreen-ui-1l06pbn">
transitionFromDedicatedConfigServer
</code>
</a>
command.
</p>
<p class="leafygreen-ui-1kp3ins">
To configure a config shard to run as a dedicated config server, run the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/transitionToDedicatedConfigServer/#mongodb-dbcommand-dbcmd.transitionToDedicatedConfigServer">
<code class="leafygreen-ui-1l06pbn">
transitionToDedicatedConfigServer
</code>
</a>
command.
</p>
<p class="leafygreen-ui-1kp3ins">
For details, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/config-shard/#std-label-config-shard-concept">
Config Shard
</a>
. To get started, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/start-a-sharded-cluster-with-config-shard/#std-label-start-a-sharded-cluster-with-config-shard">
Start a Sharded Cluster with a Config Shard
</a>
. To convert a replica set
to a sharded cluster with a config shard, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/convert-replica-set-to-embedded-config-server/#std-label-convert-replica-set-to-embedded-config-server">
Convert a Replica Set to a Sharded Cluster with an Embedded Config Server
<!-- -->
.
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
New Database Commands
<a class="headerlink leafygreen-ui-1kepx47" href="#new-database-commands" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="new-database-commands">
</div>
</a>
</h3>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/abortMoveCollection/#mongodb-dbcommand-dbcmd.abortMoveCollection">
<code class="leafygreen-ui-1l06pbn">
abortMoveCollection
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/abortUnshardCollection/#mongodb-dbcommand-dbcmd.abortUnshardCollection">
<code class="leafygreen-ui-1l06pbn">
abortUnshardCollection
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/moveCollection/#mongodb-dbcommand-dbcmd.moveCollection">
<code class="leafygreen-ui-1l06pbn">
moveCollection
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/transitionFromDedicatedConfigServer/#mongodb-dbcommand-dbcmd.transitionFromDedicatedConfigServer">
<code class="leafygreen-ui-1l06pbn">
transitionFromDedicatedConfigServer
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/transitionToDedicatedConfigServer/#mongodb-dbcommand-dbcmd.transitionToDedicatedConfigServer">
<code class="leafygreen-ui-1l06pbn">
transitionToDedicatedConfigServer
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/unshardCollection/#mongodb-dbcommand-dbcmd.unshardCollection">
<code class="leafygreen-ui-1l06pbn">
unshardCollection
</code>
</a>
</p>
</li>
</ul>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
New mongosh Methods
<a class="headerlink leafygreen-ui-1kepx47" href="#new-mongosh-methods" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="new-mongosh-methods">
</div>
</a>
</h3>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/sh.abortMoveCollection/#mongodb-method-sh.abortMoveCollection">
<code class="leafygreen-ui-1l06pbn">
sh.abortMoveCollection()
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/sh.abortUnshardCollection/#mongodb-method-sh.abortUnshardCollection">
<code class="leafygreen-ui-1l06pbn">
sh.abortUnshardCollection()
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/sh.moveCollection/#mongodb-method-sh.moveCollection">
<code class="leafygreen-ui-1l06pbn">
sh.moveCollection()
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/sh.shardAndDistributeCollection/#mongodb-method-sh.shardAndDistributeCollection">
<code class="leafygreen-ui-1l06pbn">
sh.shardAndDistributeCollection()
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/sh.unshardCollection/#mongodb-method-sh.unshardCollection">
<code class="leafygreen-ui-1l06pbn">
sh.unshardCollection()
</code>
</a>
</p>
</li>
</ul>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
serverStatus Metrics
<a class="headerlink leafygreen-ui-1kepx47" href="#serverstatus-metrics" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="serverstatus-metrics">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-dbcommand-dbcmd.serverStatus">
<code class="leafygreen-ui-1l06pbn">
serverStatus
</code>
</a>
includes the following new
<code class="leafygreen-ui-1l06pbn">
shardingStatistics
</code>
fields in its output:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.shardingStatistics.countTransitionToDedicatedConfigServerStarted">
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.countTransitionToDedicatedConfigServerStarted
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.shardingStatistics.countTransitionToDedicatedConfigServerCompleted">
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.countTransitionToDedicatedConfigServerCompleted
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.shardingStatistics.countTransitionFromDedicatedConfigServerCompleted">
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.countTransitionFromDedicatedConfigServerCompleted
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.shardingStatistics.configServerInShardCache">
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.configServerInShardCache
</code>
</a>
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
MongoDB 7.1 includes the following new sharding statistics for chunk
migrations:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.shardingStatistics.countDonorMoveChunkCommitted">
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.countDonorMoveChunkCommitted
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.shardingStatistics.countDonorMoveChunkAborted">
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.countDonorMoveChunkAborted
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.shardingStatistics.totalDonorMoveChunkTimeMillis">
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.totalDonorMoveChunkTimeMillis
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.shardingStatistics.countBytesClonedOnRecipient">
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.countBytesClonedOnRecipient
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.shardingStatistics.countDocsClonedOnCatchUpOnRecipient">
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.countDocsClonedOnCatchUpOnRecipient
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.shardingStatistics.countBytesClonedOnCatchUpOnRecipient">
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.countBytesClonedOnCatchUpOnRecipient
</code>
</a>
</p>
</li>
</ul>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Default Chunks Per Shard
<a class="headerlink leafygreen-ui-1kepx47" href="#default-chunks-per-shard" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="default-chunks-per-shard">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 7.2, when you
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/hashed-sharding/#std-label-shard-empty-collection">
shard an empty collection
</a>
with a hashed shard key, the operation
creates one chunk per shard by default. Previously, the operation
created two chunks by default.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
directShardOperations Role
<a class="headerlink leafygreen-ui-1kepx47" href="#directshardoperations-role" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="directshardoperations-role">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, you can use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/built-in-roles/#mongodb-authrole-directShardOperations">
<code class="leafygreen-ui-1l06pbn">
directShardOperations
</code>
</a>
role to perform maintenance operations
that require you to execute commands directly against a shard.
</p>
<div class="leafygreen-ui-1sjx7ru" role="note">
<h2 class="leafygreen-ui-29m78u">
Warning
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Running commands using the
<code class="leafygreen-ui-1l06pbn">
directShardOperations
</code>
role can cause
your cluster to stop working correctly and may cause data corruption.
Only use the
<code class="leafygreen-ui-1l06pbn">
directShardOperations
</code>
role for maintenance purposes
or under the guidance of MongoDB support. Once you are done
performing maintenance operations, stop using the
<code class="leafygreen-ui-1l06pbn">
directShardOperations
</code>
role.
</p>
</div>
</div>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Exhaust Cursors Enabled for Sharded Clusters
<a class="headerlink leafygreen-ui-1kepx47" href="#exhaust-cursors-enabled-for-sharded-clusters" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="exhaust-cursors-enabled-for-sharded-clusters">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 7.1,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
supports exhaust cursors
when a client's
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/getMore/#std-label-manual-reference-commands-getMore">
getMore
</a>
request sets
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/mongodb-wire-protocol/#std-label-wire-msg-flags">
exhaustAllowed
</a>
flag. This can improve query
performance on sharded clusters when the client receives multiple replies
from the database server for a single request.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
mongos Port Range
<a class="headerlink leafygreen-ui-1kepx47" href="#mongos-port-range" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongos-port-range">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 7.1,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
accepts
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#std-option-mongos.--port">
<code class="leafygreen-ui-1l06pbn">
--port
</code>
</a>
values
from [0, 65535]. For more information, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#std-option-mongos.--port">
<code class="leafygreen-ui-1l06pbn">
--port
</code>
.
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Query with Partial Shard Key
<a class="headerlink leafygreen-ui-1kepx47" href="#query-with-partial-shard-key" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="query-with-partial-shard-key">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 7.1,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/findAndModify/#mongodb-dbcommand-dbcmd.findAndModify">
<code class="leafygreen-ui-1l06pbn">
findAndModify
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.deleteOne/#mongodb-method-db.collection.deleteOne">
<code class="leafygreen-ui-1l06pbn">
deleteOne()
</code>
</a>
can use a partial shard key to query on a sharded collection.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Resharding Improvements
<a class="headerlink leafygreen-ui-1kepx47" href="#resharding-improvements" title="Permalink to this heading">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="resharding-improvements">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
MongoDB 7.2 introduces significant performance improvements in reshard
collection operations, substantially reducing the amount of time the
operation takes to run.
</p>
<p class="leafygreen-ui-1kp3ins">
Additionally, if your application and cluster meet the necessary
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-reshard-a-collection/#std-label-reshard-requirements">
requirements
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-reshard-a-collection/#std-label-resharding-limitations">
limitations
</a>
, you can reshard the collection on the same key using
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/reshardCollection/#mongodb-dbcommand-dbcmd.reshardCollection">
<code class="leafygreen-ui-1l06pbn">
reshardCollection
</code>
</a>
command to redistribute your collection,
which is much faster than alternative
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-balancer-administration/#std-label-range-migration-procedure">
range migration procedure
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
The following options are added to the command:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Field
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
forceRedistribution
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enables same-key resharding.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<p class="leafygreen-ui-1kp3ins">
For examples, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/reshardCollection/#std-label-reshardCollection-redistribute-data">
Redistribute Data to New Shards
<!-- -->
.
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Self-Managed Backups of Sharded Clusters
<a class="headerlink leafygreen-ui-1kepx47" href="#self-managed-backups-of-sharded-clusters" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="self-managed-backups-of-sharded-clusters">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 7.1, the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/fsync/#mongodb-dbcommand-dbcmd.fsync">
<code class="leafygreen-ui-1l06pbn">
fsync
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/fsyncUnlock/#mongodb-dbcommand-dbcmd.fsyncUnlock">
<code class="leafygreen-ui-1l06pbn">
fsyncUnlock
</code>
</a>
commands can perform fsync operations on sharded clusters.
</p>
<p class="leafygreen-ui-1kp3ins">
When run on
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#std-program-mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
with the
<code class="leafygreen-ui-1l06pbn">
lock
</code>
field set to
<code class="leafygreen-ui-1l06pbn">
true
</code>
, the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/fsync/#mongodb-dbcommand-dbcmd.fsync">
<code class="leafygreen-ui-1l06pbn">
fsync
</code>
</a>
command flushes writes from the storage layer to disk and
locks each shard, preventing additional writes. The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/fsyncUnlock/#mongodb-dbcommand-dbcmd.fsyncUnlock">
<code class="leafygreen-ui-1l06pbn">
fsyncUnlock
</code>
</a>
command can then be used to unlock the cluster.
</p>
<p class="leafygreen-ui-1kp3ins">
This feature enables self-managed backups of sharded clusters using
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/database-tools/mongodump/#std-program-mongodump" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongodump
</code>
.
</span>
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
UpdateOne upsert Behavior on Sharded Collections
<a class="headerlink leafygreen-ui-1kepx47" href="#updateone-upsert-behavior-on-sharded-collections" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="updateone-upsert-behavior-on-sharded-collections">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 7.1, when using
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.updateOne/#mongodb-method-db.collection.updateOne">
<code class="leafygreen-ui-1l06pbn">
updateOne()
</code>
</a>
with
<code class="leafygreen-ui-1l06pbn">
upsert: true
</code>
on a
sharded collection, you
<strong>
do not
</strong>
need to include the full shard key
in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.updateOne/#std-label-update-one-filter">
filter
<!-- -->
.
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
$lookup Stage in Transactions with Sharded Collections
<a class="headerlink leafygreen-ui-1kepx47" href="#-lookup-stage-in-transactions-with-sharded-collections" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="-lookup-stage-in-transactions-with-sharded-collections">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, you can use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/lookup/#mongodb-pipeline-pipe.-lookup">
<code class="leafygreen-ui-1l06pbn">
$lookup
</code>
</a>
stage within
a transaction while targeting a sharded collection.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Replication
<a class="headerlink leafygreen-ui-1kepx47" href="#replication" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="replication">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Majority Write Concern
<a class="headerlink leafygreen-ui-1kepx47" href="#majority-write-concern" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="majority-write-concern">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, write operations that use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#mongodb-writeconcern-writeconcern.-majority-">
<code class="leafygreen-ui-1l06pbn">
"majority"
</code>
</a>
write concern return an
acknowledgment when the majority of replica set members have
written the oplog entry for the change. This improves the
performance of
<code class="leafygreen-ui-1l06pbn">
"majority"
</code>
writes. In previous releases,
these operations would wait and return an acknowledgment after
the majority of replica set members applied the change.
</p>
<p class="leafygreen-ui-1kp3ins">
If your application reads from a secondary immediately after
receiving an acknowledgment from a
<code class="leafygreen-ui-1l06pbn">
{ w: "majority" }
</code>
write
operation (without a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/read-isolation-consistency-recency/#std-label-causal-consistency">
causally consistent
</a>
session), the query may return results that don't include
changes from the write.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
New replSetGetStatus Metrics
<a class="headerlink leafygreen-ui-1kepx47" href="#new-replsetgetstatus-metrics" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="new-replsetgetstatus-metrics">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, the following metrics are available when using the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/replSetGetStatus/#mongodb-dbcommand-dbcmd.replSetGetStatus">
<code class="leafygreen-ui-1l06pbn">
replSetGetStatus
</code>
</a>
command:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/replSetGetStatus/#mongodb-data-replSetGetStatus.electionCandidateMetrics.lastSeenWrittenOpTimeAtElection">
<code class="leafygreen-ui-1l06pbn">
replSetGetStatus.electionCandidateMetrics.lastSeenWrittenOpTimeAtElection
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/replSetGetStatus/#mongodb-data-replSetGetStatus.electionParticipantMetrics.lastWrittenOpTimeAtElection">
<code class="leafygreen-ui-1l06pbn">
replSetGetStatus.electionParticipantMetrics.lastWrittenOpTimeAtElection
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/replSetGetStatus/#mongodb-data-replSetGetStatus.electionParticipantMetrics.maxWrittenOpTimeInSet">
<code class="leafygreen-ui-1l06pbn">
replSetGetStatus.electionParticipantMetrics.maxWrittenOpTimeInSet
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/replSetGetStatus/#mongodb-data-replSetGetStatus.members-n-.optimeWritten">
<code class="leafygreen-ui-1l06pbn">
replSetGetStatus.members[n].optimeWritten
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/replSetGetStatus/#mongodb-data-replSetGetStatus.members-n-.optimeWrittenDate">
<code class="leafygreen-ui-1l06pbn">
replSetGetStatus.members[n].optimeWrittenDate
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/replSetGetStatus/#mongodb-data-replSetGetStatus.members-n-.lastWrittenWallTime">
<code class="leafygreen-ui-1l06pbn">
replSetGetStatus.members[n].lastWrittenWallTime
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/replSetGetStatus/#mongodb-data-replSetGetStatus.optimeWritten">
<code class="leafygreen-ui-1l06pbn">
replSetGetStatus.optimeWritten
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/replSetGetStatus/#mongodb-data-replSetGetStatus.optimeWrittenDate">
<code class="leafygreen-ui-1l06pbn">
replSetGetStatus.optimeWrittenDate
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/replSetGetStatus/#mongodb-data-replSetGetStatus.optimes.lastWrittenWallTime">
<code class="leafygreen-ui-1l06pbn">
replSetGetStatus.optimes.lastWrittenWallTime
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/replSetGetStatus/#mongodb-data-replSetGetStatus.optimes.writtenOpTime">
<code class="leafygreen-ui-1l06pbn">
replSetGetStatus.optimes.writtenOpTime
</code>
</a>
</p>
</li>
</ul>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Oplog Buffers
<a class="headerlink leafygreen-ui-1kepx47" href="#oplog-buffers" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="oplog-buffers">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, secondaries write and apply oplog entries for each batch
in parallel. A writer thread reads new entries from the primary and writes them
to the local oplog. An applier thread asynchronously applies these changes to the
local database. This changes increases replication throughput for secondaries.
</p>
<p class="leafygreen-ui-1kp3ins">
This introduces a breaking change for
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.buffer">
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer
</code>
</a>
, as it
now provides metrics on two buffers instead of one.
</p>
<p class="leafygreen-ui-1kp3ins">
MongoDB 8.0 deprecates the following server status metrics:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.buffer.count">
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer.count
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.buffer.maxSizeBytes">
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer.maxSizeBytes
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.buffer.sizeBytes">
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer.sizeBytes
</code>
</a>
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
MongoDB 8.0 adds the following server status metrics:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.buffer.apply">
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer.apply
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.buffer.apply.count">
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer.apply.count
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.buffer.apply.maxCount">
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer.apply.maxCount
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.buffer.apply.maxSizeBytes">
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer.apply.maxSizeBytes
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.buffer.apply.sizeBytes">
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer.apply.sizeBytes
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.buffer.write">
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer.write
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.buffer.write.count">
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer.write.count
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.buffer.write.maxSizeBytes">
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer.write.maxSizeBytes
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.buffer.write.sizeBytes">
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer.write.sizeBytes
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.write">
<code class="leafygreen-ui-1l06pbn">
metrics.repl.write
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.write.batchSize">
<code class="leafygreen-ui-1l06pbn">
metrics.repl.write.batchSize
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.write.batches">
<code class="leafygreen-ui-1l06pbn">
metrics.repl.write.batches
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.write.batches.num">
<code class="leafygreen-ui-1l06pbn">
metrics.repl.write.batches.num
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.write.batches.totalMillis">
<code class="leafygreen-ui-1l06pbn">
metrics.repl.write.batches.totalMillis
</code>
</a>
</p>
</li>
</ul>
<span class="leafygreen-ui-1qnjd6d" id="std-label-8.0-tcmalloc-upgrade">
</span>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Upgraded TCMalloc
<a class="headerlink leafygreen-ui-1kepx47" href="#upgraded-tcmalloc" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="upgraded-tcmalloc">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, MongoDB uses an upgraded version of TCMalloc that
uses
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-per-CPU-cache">
per-CPU caches
</a>
, instead of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-per-thread-cache">
per-thread caches
</a>
, to reduce memory fragmentation and make your database more
resilient to high-stress workloads.
</p>
<p class="leafygreen-ui-1kp3ins">
The new TCMalloc version directly impacts previous production
recommendations for Transparent Huge Pages. To learn more, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/tcmalloc-performance/#std-label-tcmalloc-performance">
TCMalloc Performance Optimization for a Self-Managed Deployment
<!-- -->
.
</a>
</p>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
serverStatus Metrics
<a class="headerlink leafygreen-ui-1kepx47" href="#serverstatus-metrics-1" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="serverstatus-metrics-1">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, the following new
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-dbcommand-dbcmd.serverStatus">
<code class="leafygreen-ui-1l06pbn">
serverStatus
</code>
</a>
metrics
report information about
<code class="leafygreen-ui-1l06pbn">
tcmalloc
</code>
usage:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.tcmalloc.usingPerCPUCaches">
<code class="leafygreen-ui-1l06pbn">
tcmalloc.usingPerCPUCaches
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.tcmalloc.generic.peak_memory_usage">
<code class="leafygreen-ui-1l06pbn">
tcmalloc.generic.peak_memory_usage
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.tcmalloc.tcmalloc.cpu_free">
<code class="leafygreen-ui-1l06pbn">
tcmalloc.tcmalloc.cpu_free
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.tcmalloc.tcmalloc.total_bytes_held">
<code class="leafygreen-ui-1l06pbn">
tcmalloc.tcmalloc.total_bytes_held
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.tcmalloc.tcmalloc.cpuCache">
<code class="leafygreen-ui-1l06pbn">
tcmalloc.tcmalloc.cpuCache
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.tcmalloc.tcmalloc.cpuCache.N.overflows">
<code class="leafygreen-ui-1l06pbn">
tcmalloc.tcmalloc.cpuCache.N.overflows
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.tcmalloc.tcmalloc.cpuCache.N.underflows">
<code class="leafygreen-ui-1l06pbn">
tcmalloc.tcmalloc.cpuCache.N.underflows
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.tcmalloc.tcmalloc_derived.total_free_bytes">
<code class="leafygreen-ui-1l06pbn">
tcmalloc.tcmalloc_derived.total_free_bytes
</code>
</a>
</p>
</li>
</ul>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
General Changes
<a class="headerlink leafygreen-ui-1kepx47" href="#general-changes" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="general-changes">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Shutdown Performance
<a class="headerlink leafygreen-ui-1kepx47" href="#shutdown-performance" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="shutdown-performance">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/Bulk.insert/#mongodb-method-Bulk.insert">
<code class="leafygreen-ui-1l06pbn">
Bulk.insert()
</code>
</a>
and data ingestion
workloads may perform better. However, shutting down MongoDB
immediately after running these workloads might take longer because
of the extra data being flushed to disk.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Store Application Data on Config Shards
<a class="headerlink leafygreen-ui-1kepx47" href="#store-application-data-on-config-shards" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="store-application-data-on-config-shards">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, you can configure a config server to store
application data in addition to the usual sharded cluster metadata. The
config server is then known as a
<em>
config shard
</em>
. For details, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharded-cluster-config-servers/#std-label-sharded-cluster-config-server-config-shards">
Config Shards
<!-- -->
.
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Compaction Improvements
<a class="headerlink leafygreen-ui-1kepx47" href="#compaction-improvements" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="compaction-improvements">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 7.3, the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/compact/#mongodb-dbcommand-dbcmd.compact">
<code class="leafygreen-ui-1l06pbn">
compact
</code>
</a>
command includes a new
<code class="leafygreen-ui-1l06pbn">
freeSpaceTargetMB
</code>
option to specify the minimum amount of storage space, in
megabytes, that must be recoverable for compaction to proceed.
</p>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Background Compaction
<a class="headerlink leafygreen-ui-1kepx47" href="#background-compaction" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="background-compaction">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, you can use the new
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/autoCompact/#mongodb-dbcommand-dbcmd.autoCompact">
<code class="leafygreen-ui-1l06pbn">
autoCompact
</code>
</a>
command
to perform background compaction. If enabled, the server attempts to keep free
space within each collection and index below the specified the
<code class="leafygreen-ui-1l06pbn">
freeSpaceTargetMB
</code>
value.
</p>
</section>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
dryRun Option
<a class="headerlink leafygreen-ui-1kepx47" href="#dryrun-option" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="dryrun-option">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
If enabled, the
<code class="leafygreen-ui-1l06pbn">
compact
</code>
command returns an estimate of how much space, in
bytes, compaction can reclaim from the targeted collection. If you run
<code class="leafygreen-ui-1l06pbn">
compact
</code>
with
<code class="leafygreen-ui-1l06pbn">
dryRun
</code>
set to
<code class="leafygreen-ui-1l06pbn">
true
</code>
, MongoDB only returns the estimated
value and does not perform any kind of compaction.
</p>
</section>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Concurrent DDL Operations
<a class="headerlink leafygreen-ui-1kepx47" href="#concurrent-ddl-operations" title="Permalink to this heading">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="concurrent-ddl-operations">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 7.1, when you run multiple
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-DDL--Data-Definition-Language-">
DDL operations
</a>
that target different collections from the
same database, MongoDB runs those operations concurrently.
</p>
<p class="leafygreen-ui-1kp3ins">
This change adds two new types to the
<code class="leafygreen-ui-1l06pbn">
serverStatus
</code>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.locks">
<code class="leafygreen-ui-1l06pbn">
locks
</code>
</a>
field and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/currentOp/#mongodb-data-currentOp.locks">
<code class="leafygreen-ui-1l06pbn">
currentOp.locks
</code>
</a>
output:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
DDLDatabase
</code>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
DDLCollection
</code>
</p>
</li>
</ul>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Database Validation on mongos Aggregation Queries
<a class="headerlink leafygreen-ui-1kepx47" href="#database-validation-on-mongos-aggregation-queries" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="database-validation-on-mongos-aggregation-queries">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 7.2, aggregation pipeline queries that attempt to
use non-existent databases on
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#std-label-mongos">
mongos
</a>
deployments return
validation errors.
</p>
<p class="leafygreen-ui-1kp3ins">
In previous versions, these aggregation queries return empty cursors.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
DDL Operations
<a class="headerlink leafygreen-ui-1kepx47" href="#ddl-operations" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="ddl-operations">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
In MongoDB 8.0, if you add or remove a shard while your cluster executes
a DDL operation (operation that modifies a collection such as
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/reshardCollection/#mongodb-dbcommand-dbcmd.reshardCollection">
<code class="leafygreen-ui-1l06pbn">
reshardCollection
</code>
</a>
), any operation that adds or removes a
shard only executes after the concurrent DDL operation finishes.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Error Codes for Exceeding Pipeline Size Limit
<a class="headerlink leafygreen-ui-1kepx47" href="#error-codes-for-exceeding-pipeline-size-limit" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="error-codes-for-exceeding-pipeline-size-limit">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 7.1, an aggregation command will throw an error when a pipeline
exceeds the pipeline stage limit. For more details, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/aggregation-pipeline-limits/#std-label-stage-restrictions">
Number of Stages Restrictions
<!-- -->
.
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
getField Field Supports All Strings
<a class="headerlink leafygreen-ui-1kepx47" href="#getfield-field-supports-all-strings" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="getfield-field-supports-all-strings">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 7.2, you can specify any valid
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/#std-label-aggregation-expressions">
expression
</a>
that resolves to a string for the
<code class="leafygreen-ui-1l06pbn">
field
</code>
input of the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/getField/#mongodb-expression-exp.-getField">
<code class="leafygreen-ui-1l06pbn">
$getField
</code>
</a>
operator. In earlier versions,
<code class="leafygreen-ui-1l06pbn">
field
</code>
accepts only string constants.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Improved Index Builds
<a class="headerlink leafygreen-ui-1kepx47" href="#improved-index-builds" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="improved-index-builds">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 7.1, index builds are improved with faster error
reporting and increased failure resilience. You can also set the minimum
available disk space required for index builds using the new
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.indexBuildMinAvailableDiskSpaceMB">
<code class="leafygreen-ui-1l06pbn">
indexBuildMinAvailableDiskSpaceMB
</code>
</a>
parameter, which stops
index builds if disk space is too low.
</p>
<p class="leafygreen-ui-1kp3ins">
The following new index build metrics were added:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.indexBuilds.killedDueToInsufficientDiskSpace">
<code class="leafygreen-ui-1l06pbn">
indexBuilds.killedDueToInsufficientDiskSpace
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.indexBuilds.failedDueToDataCorruption">
<code class="leafygreen-ui-1l06pbn">
indexBuilds.failedDueToDataCorruption
</code>
</a>
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
For full details, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.createIndex/#std-label-create-index-builds">
Index Builds
<!-- -->
.
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
New Parameters
<a class="headerlink leafygreen-ui-1kepx47" href="#new-parameters" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="new-parameters">
</div>
</a>
</h3>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
auditConfig Parameter
<a class="headerlink leafygreen-ui-1kepx47" href="#auditconfig-parameter" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="auditconfig-parameter">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
MongoDB 7.1 adds the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/cluster-parameters/auditConfig/#mongodb-parameter-param.auditConfig">
<code class="leafygreen-ui-1l06pbn">
auditConfig
</code>
</a>
cluster parameter, which contains
information on audit configurations from
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
server instances.
</p>
</section>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
defaultMaxTimeMS Parameter
<a class="headerlink leafygreen-ui-1kepx47" href="#defaultmaxtimems-parameter" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="defaultmaxtimems-parameter">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, you can use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/cluster-parameters/defaultMaxTimeMS/#mongodb-parameter-param.defaultMaxTimeMS">
<code class="leafygreen-ui-1l06pbn">
defaultMaxTimeMS
</code>
</a>
cluster parameter to specify a default time limit for individual read
operations to complete.
</p>
</section>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
indexBuildMinAvailableDiskSpaceMB Parameter
<a class="headerlink leafygreen-ui-1kepx47" href="#indexbuildminavailablediskspacemb-parameter" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="indexbuildminavailablediskspacemb-parameter">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
MongoDB 7.1 adds the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.indexBuildMinAvailableDiskSpaceMB">
<code class="leafygreen-ui-1l06pbn">
indexBuildMinAvailableDiskSpaceMB
</code>
</a>
parameter, which allows you to set the minimum available disk space
required for index builds.
</p>
</section>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
tcmallocEnableBackgroundThread Parameter
<a class="headerlink leafygreen-ui-1kepx47" href="#tcmallocenablebackgroundthread-parameter" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="tcmallocenablebackgroundthread-parameter">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.tcmallocEnableBackgroundThread">
<code class="leafygreen-ui-1l06pbn">
tcmallocEnableBackgroundThread
</code>
</a>
is
enabled by default. This allows MongoDB to periodically release memory back to
the operating system.
</p>
</section>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
New Bulk Write Command
<a class="headerlink leafygreen-ui-1kepx47" href="#new-bulk-write-command" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="new-bulk-write-command">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, you can use the new
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/bulkWrite/#mongodb-dbcommand-dbcmd.bulkWrite">
<code class="leafygreen-ui-1l06pbn">
bulkWrite
</code>
</a>
command to perform many insert, update, and delete operations on
multiple collections in one request. The existing
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.bulkWrite/#mongodb-method-db.collection.bulkWrite">
<code class="leafygreen-ui-1l06pbn">
db.collection.bulkWrite()
</code>
</a>
method only allows you to modify one
collection in one request.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
New Query Shape and Query Settings
<a class="headerlink leafygreen-ui-1kepx47" href="#new-query-shape-and-query-settings" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="new-query-shape-and-query-settings">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
MongoDB 8.0 introduces a new
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/query-shapes/#std-label-query-shapes">
query shape
</a>
. The
pre-existing query shape is renamed as the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-plan-cache-query-shape">
plan cache query shape
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, you can add query settings for the new query
shape. The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-query-optimizer">
query optimizer
</a>
uses the query settings as an
additional input during query planning, which affects the plan selected
to run a query that has a matching query shape.
</p>
<p class="leafygreen-ui-1kp3ins">
Query settings have improved functionality compared to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/query-plans/#std-label-index-filters">
index
filters
</a>
. Index filters are also deprecated starting in
MongoDB 8.0, and you should avoid using them.
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
To add query settings, use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/setQuerySettings/#mongodb-dbcommand-dbcmd.setQuerySettings">
<code class="leafygreen-ui-1l06pbn">
setQuerySettings
</code>
</a>
command.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
To delete query settings, use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/removeQuerySettings/#mongodb-dbcommand-dbcmd.removeQuerySettings">
<code class="leafygreen-ui-1l06pbn">
removeQuerySettings
</code>
</a>
command.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
To retrieve query settings, use a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/querySettings/#mongodb-pipeline-pipe.-querySettings">
<code class="leafygreen-ui-1l06pbn">
$querySettings
</code>
</a>
stage in
an aggregation pipeline.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
To block a query shape, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/operation-rejection-filters/#std-label-operation-rejection-filters">
operation rejection filters
<!-- -->
.
</a>
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0,
<code class="leafygreen-ui-1l06pbn">
queryShapeHash
</code>
is included in the following
output:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/explain/#mongodb-dbcommand-dbcmd.explain">
<code class="leafygreen-ui-1l06pbn">
explain
</code>
</a>
command in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/explain-results/#mongodb-data-explain.queryShapeHash">
<code class="leafygreen-ui-1l06pbn">
explain.queryShapeHash
</code>
</a>
field
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/manage-the-database-profiler/#std-label-database-profiler">
database profiler
</a>
in
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/database-profiler/#mongodb-data-system.profile.queryShapeHash">
<code class="leafygreen-ui-1l06pbn">
system.profile.queryShapeHash
</code>
</a>
field
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/currentOp/#std-label-current-op-agg">
$currentOp aggregation pipeline stage
</a>
in
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/currentOp/#mongodb-data--currentOp.queryShapeHash">
<code class="leafygreen-ui-1l06pbn">
$currentOp.queryShapeHash
</code>
</a>
field
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/log-messages/#std-label-log-message-slow-ops">
slow query log
</a>
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, the pre-existing
<code class="leafygreen-ui-1l06pbn">
queryHash
</code>
field is renamed
to
<code class="leafygreen-ui-1l06pbn">
planCacheShapeHash
</code>
. If you're using an earlier MongoDB version,
you'll see
<code class="leafygreen-ui-1l06pbn">
queryHash
</code>
instead of
<code class="leafygreen-ui-1l06pbn">
planCacheShapeHash
</code>
.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Parameter Filtering
<a class="headerlink leafygreen-ui-1kepx47" href="#parameter-filtering" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="parameter-filtering">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/getParameter/#mongodb-dbcommand-dbcmd.getParameter">
<code class="leafygreen-ui-1l06pbn">
getParameter
</code>
</a>
command
accepts a
<code class="leafygreen-ui-1l06pbn">
setAt
</code>
field. You can use this field to filter the
<code class="leafygreen-ui-1l06pbn">
allParameters: true
</code>
return document to show only those
parameters that you can set at
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/getParameter/#std-label-getParameters-startup">
startup
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/getParameter/#std-label-getParameters-runtime">
runtime
<!-- -->
.
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Read Concern on Capped Collections
<a class="headerlink leafygreen-ui-1kepx47" href="#read-concern-on-capped-collections" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="read-concern-on-capped-collections">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, you can use read concern
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern-snapshot/#mongodb-readconcern-readconcern.-snapshot-">
<code class="leafygreen-ui-1l06pbn">
"snapshot"
</code>
</a>
on
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/capped-collections/#std-label-manual-capped-collection">
capped
</a>
collections.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
serverStatus Output Change
<a class="headerlink leafygreen-ui-1kepx47" href="#serverstatus-output-change" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="serverstatus-output-change">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 7.1, the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-dbcommand-dbcmd.serverStatus">
<code class="leafygreen-ui-1l06pbn">
serverStatus
</code>
</a>
command output includes
the following new metrics:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.changeStreamPreImages.expireAfterSeconds">
<code class="leafygreen-ui-1l06pbn">
changeStreamPreImages.expireAfterSeconds
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.changeStreams.showExpandedEvents">
<code class="leafygreen-ui-1l06pbn">
metrics.changeStreams.showExpandedEvents
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.queryStats">
<code class="leafygreen-ui-1l06pbn">
queryStats
</code>
</a>
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 7.2, the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-dbcommand-dbcmd.serverStatus">
<code class="leafygreen-ui-1l06pbn">
serverStatus
</code>
</a>
command output includes
the following new metrics:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.operation.killedDueToMaxTimeMSExpired">
<code class="leafygreen-ui-1l06pbn">
metrics.operation.killedDueToMaxTimeMSExpired
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.readPreferenceCounters">
<code class="leafygreen-ui-1l06pbn">
readPreferenceCounters
</code>
</a>
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 7.3, the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-dbcommand-dbcmd.serverStatus">
<code class="leafygreen-ui-1l06pbn">
serverStatus
</code>
</a>
command output
includes the following new metrics:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.stateTransition.totalOperationsRunning">
<code class="leafygreen-ui-1l06pbn">
metrics.repl.stateTransition.totalOperationsRunning
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.stateTransition.totalOperationsKilled">
<code class="leafygreen-ui-1l06pbn">
metrics.repl.stateTransition.totalOperationsKilled
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.waiters.replication">
<code class="leafygreen-ui-1l06pbn">
metrics.repl.waiters.replication
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.waiters.opTime">
<code class="leafygreen-ui-1l06pbn">
metrics.repl.waiters.opTime
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.planCache.classic.skipped">
<code class="leafygreen-ui-1l06pbn">
planCache.classic.skipped
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.planCache.sbe.skipped">
<code class="leafygreen-ui-1l06pbn">
planCache.sbe.skipped
</code>
</a>
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-dbcommand-dbcmd.serverStatus">
<code class="leafygreen-ui-1l06pbn">
serverStatus
</code>
</a>
command output
includes the following new metrics:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.opWorkingTime">
<code class="leafygreen-ui-1l06pbn">
opWorkingTime
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.opWorkingTime.commands">
<code class="leafygreen-ui-1l06pbn">
opWorkingTime.commands
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.opWorkingTime.reads">
<code class="leafygreen-ui-1l06pbn">
opWorkingTime.reads
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.opWorkingTime.writes">
<code class="leafygreen-ui-1l06pbn">
opWorkingTime.writes
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.opWorkingTime.transactions">
<code class="leafygreen-ui-1l06pbn">
opWorkingTime.transactions
</code>
</a>
</p>
</li>
</ul>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Sort Support for updateOne
<a class="headerlink leafygreen-ui-1kepx47" href="#sort-support-for-updateone" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="sort-support-for-updateone">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.updateOne/#mongodb-method-db.collection.updateOne">
<code class="leafygreen-ui-1l06pbn">
updateOne()
</code>
</a>
method supports
a
<code class="leafygreen-ui-1l06pbn">
sort
</code>
option. This controls how MongoDB orders the document before it selects
the document to receive the update.
</p>
<p class="leafygreen-ui-1kp3ins">
Previous releases use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.findAndModify/#mongodb-method-db.collection.findAndModify">
<code class="leafygreen-ui-1l06pbn">
findAndModify()
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.findOneAndUpdate/#mongodb-method-db.collection.findOneAndUpdate">
<code class="leafygreen-ui-1l06pbn">
findOneAndUpdate()
</code>
</a>
methods to update
the first document in a user-specified sort order. Support for retryable writes
requires these methods to copy the entire document to a special side
collection for each node, which is a more expensive operation than the
<code class="leafygreen-ui-1l06pbn">
updateOne()
</code>
method with the new
<code class="leafygreen-ui-1l06pbn">
sort
</code>
option.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Specify Query Index Hints for distinct Commands
<a class="headerlink leafygreen-ui-1kepx47" href="#specify-query-index-hints-for-distinct-commands" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="specify-query-index-hints-for-distinct-commands">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 7.1, the
<code class="leafygreen-ui-1l06pbn">
hint
</code>
field is available in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/distinct/#mongodb-dbcommand-dbcmd.distinct">
<code class="leafygreen-ui-1l06pbn">
distinct
</code>
</a>
command, allowing you to specify the query's index.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
TTL Indexes
<a class="headerlink leafygreen-ui-1kepx47" href="#ttl-indexes" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="ttl-indexes">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 7.1, you can create
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/index-ttl/#std-label-index-feature-ttl">
TTL indexes
</a>
on
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/capped-collections/#std-label-manual-capped-collection">
capped collections
<!-- -->
.
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Query Planning and Execution
<a class="headerlink leafygreen-ui-1kepx47" href="#query-planning-and-execution" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="query-planning-and-execution">
</div>
</a>
</h3>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Block Processing
<a class="headerlink leafygreen-ui-1kepx47" href="#block-processing" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="block-processing">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Starting in version 8.0, MongoDB may execute certain time series queries using
block processing. This performance improvement processes queries in "blocks" of
data, rather than individual values. Block processing improves query execution
speed and throughput when working with time series collections.
</p>
<p class="leafygreen-ui-1kp3ins">
To see if your time series query uses block processing, check the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/explain-results/#mongodb-data-explain.queryPlanner.winningPlan.slotBasedPlan.stages">
<code class="leafygreen-ui-1l06pbn">
explain.queryPlanner.winningPlan.slotBasedPlan.stages
</code>
</a>
field in the
explain plan output.
</p>
<p class="leafygreen-ui-1kp3ins">
To learn more, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/timeseries/timeseries-querying/#std-label-timeseries-querying-block-processing">
Block Processing
<!-- -->
.
</a>
</p>
</section>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Express Query Stages
<a class="headerlink leafygreen-ui-1kepx47" href="#express-query-stages" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="express-query-stages">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, a limited set of queries (including
<code class="leafygreen-ui-1l06pbn">
_id
</code>
equality matches) skip regular query planning and execution. Instead,
these queries use an optimized index scan plan consisting of one of
these plan stages:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
EXPRESS_CLUSTERED_IXSCAN
</code>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
EXPRESS_DELETE
</code>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
EXPRESS_IXSCAN
</code>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
EXPRESS_UPDATE
</code>
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
For more information on query plans, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/explain-results/#std-label-explain-results">
Explain Results
<!-- -->
.
</a>
</p>
</section>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Rejected Query Plan Output
<a class="headerlink leafygreen-ui-1kepx47" href="#rejected-query-plan-output" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="rejected-query-plan-output">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, rejected query plans only contain the
<code class="leafygreen-ui-1l06pbn">
find
</code>
portion of the query. In previous versions, rejected plans can contain
aggregation stages like
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/group/#mongodb-pipeline-pipe.-group">
<code class="leafygreen-ui-1l06pbn">
$group
</code>
</a>
. Those aggregation stages
aren't used by the query planner to choose the winning plan, so the
<code class="leafygreen-ui-1l06pbn">
rejectedPlans
</code>
field only contains the portion of the query that was
used to choose the winning plan.
</p>
<p class="leafygreen-ui-1kp3ins">
This change also ensures that
<code class="leafygreen-ui-1l06pbn">
executionStats
</code>
for rejected plans are
non-zero. As a result, you can now see statistics such as how many
documents or keys a rejected plan examined.
</p>
<p class="leafygreen-ui-1kp3ins">
For more information on rejected query plans, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/explain-results/#mongodb-data-explain.queryPlanner.rejectedPlans">
<code class="leafygreen-ui-1l06pbn">
explain.queryPlanner.rejectedPlans
</code>
.
</a>
</p>
</section>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Batch Multi-Document Insert Operations
<a class="headerlink leafygreen-ui-1kepx47" href="#batch-multi-document-insert-operations" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="batch-multi-document-insert-operations">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, insert operations for
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions">
multi-document transactions
</a>
no longer produce
individual
<code class="leafygreen-ui-1l06pbn">
oplog
</code>
entries. Instead, multi-document inserts are batched
as a single entry. The change stream
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/change-events/insert/#mongodb-data-insert">
<code class="leafygreen-ui-1l06pbn">
insert
</code>
</a>
event for each document
has the same
<code class="leafygreen-ui-1l06pbn">
clusterTime
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
This change increases performance of multi-document insert operations
and eliminates possible replication lag caused by multiple
<code class="leafygreen-ui-1l06pbn">
oplog
</code>
writes.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
OIDC Identity Providers Can Share an Issuer
<a class="headerlink leafygreen-ui-1kepx47" href="#oidc-identity-providers-can-share-an-issuer" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="oidc-identity-providers-can-share-an-issuer">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, when multiple identity providers (IDP) are
defined, the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.oidcIdentityProviders">
<code class="leafygreen-ui-1l06pbn">
oidcIdentityProviders
</code>
</a>
parameter accepts duplicate
<code class="leafygreen-ui-1l06pbn">
issuer
</code>
values as long as the
<code class="leafygreen-ui-1l06pbn">
audience
</code>
value is unique for each
issuer. This is also available in versions 7.3 and 7.0.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Namespaces in Subpipelines
<a class="headerlink leafygreen-ui-1kepx47" href="#namespaces-in-subpipelines" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="namespaces-in-subpipelines">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, namespaces in subpipelines inside
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/lookup/#mongodb-pipeline-pipe.-lookup">
<code class="leafygreen-ui-1l06pbn">
$lookup
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/unionWith/#mongodb-pipeline-pipe.-unionWith">
<code class="leafygreen-ui-1l06pbn">
$unionWith
</code>
</a>
are validated to ensure
the correct use of
<code class="leafygreen-ui-1l06pbn">
from
</code>
and
<code class="leafygreen-ui-1l06pbn">
coll
</code>
fields.
</p>
<p class="leafygreen-ui-1kp3ins">
For details, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/lookup/#std-label-lookup-example-namespaces-in-subpipelines">
$lookup subpipelines
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/unionWith/#std-label-unionWith-example-namespaces-in-subpipelines">
$unionWith
subpipelines
<!-- -->
.
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Query Planner Optimization Time
<a class="headerlink leafygreen-ui-1kepx47" href="#query-planner-optimization-time" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="query-planner-optimization-time">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.explain/#mongodb-method-db.collection.explain">
<code class="leafygreen-ui-1l06pbn">
explain()
</code>
</a>
method now returns
information on query planner optimization time. The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/explain-results/#mongodb-data-explain.queryPlanner.optimizationTimeMillis">
<code class="leafygreen-ui-1l06pbn">
queryPlanner.optimizationTimeMillis
</code>
</a>
status shows the
time in milliseconds that the query planner spent on
optimizations.
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-8.0-known-issues">
</span>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Known Issues
<a class="headerlink leafygreen-ui-1kepx47" href="#known-issues" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="known-issues">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
This section describes known issues in MongoDB 8.0 and their resolution
status.
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:10%"/>
<col style="width:40%"/>
<col style="width:40%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
In Version
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Issue
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Status
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
8.0.0
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://jira.mongodb.org/browse/SERVER-94741" rel="noopener noreferrer">
<span>
SERVER-94741
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
: When multiple indexes are usable by
<code class="leafygreen-ui-1l06pbn">
$or
</code>
queries that include top-level
<code class="leafygreen-ui-1l06pbn">
$and
</code>
clauses
(including implicit
<code class="leafygreen-ui-1l06pbn">
$and
</code>
clauses), the query may use less
efficient indexes because the most efficient indexes have been
incorrectly removed from consideration during the new "index
pruning" phase of query planning in MongoDB 8.0.
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Unresolved. Planned to be mitigated in 8.0.1 by disabling the
index pruning feature in
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://jira.mongodb.org/browse/SERVER-94738" rel="noopener noreferrer">
<span>
SERVER-94738
<!-- -->
.
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
8.0.0
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://jira.mongodb.org/browse/SERVER-95244" rel="noopener noreferrer">
<span>
SERVER-95244
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
: Upsert operations on single-shard sharded clusters
may fail more often when all of the following are true:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The operation is issued directly to a shard and not to
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The upsert operation is exclusively an insert.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The namespace is not receiving operations from
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
routers.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The namespace is not receiving any other operations.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
The recommended process for transitioning to a sharded cluster requires
shifting clients to connect to
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
routers. Writes issued to
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
routers are not affected.
</p>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
This issue is planned to be fixed in 8.0.1.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-8.0-upgrade">
</span>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Upgrade Procedures
<a class="headerlink leafygreen-ui-1kepx47" href="#upgrade-procedures" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="upgrade-procedures">
</div>
</a>
</h2>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
Feature Compatibility Version
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
To upgrade to MongoDB 8.0 from a 7.0 deployment, the 7.0 deployment
must have
<code class="leafygreen-ui-1l06pbn">
featureCompatibilityVersion
</code>
set to
<code class="leafygreen-ui-1l06pbn">
7.0
</code>
. To check
the version:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.adminCommand( { getParameter: 1, featureCompatibilityVersion: 1 } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">adminCommand</span>( <!-- -->{ <span class="lg-highlight-attr">getParameter</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">featureCompatibilityVersion</span>: <span class="lg-highlight-number">1</span> } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
To upgrade to MongoDB 8.0, refer to the upgrade instructions specific to
your MongoDB deployment:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/release-notes/8.0-upgrade-standalone/#std-label-8.0-upgrade-standalone">
Upgrade a Standalone to 8.0
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/release-notes/8.0-upgrade-replica-set/#std-label-8.0-upgrade-replica-set">
Upgrade a Replica Set to 8.0
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/release-notes/8.0-upgrade-sharded-cluster/#std-label-8.0-upgrade-sharded-cluster">
Upgrade a Sharded Cluster to 8.0
</a>
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
If you need guidance on upgrading to 8.0, MongoDB professional services
offer major version upgrade support to help ensure a smooth transition
without interruption to your MongoDB application. To learn more, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/products/consulting?tck=docs_server" target="_self">
<span>
MongoDB Consulting
<!-- -->
.
</span>
</a>
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-8.0-download">
</span>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Download
<a class="headerlink leafygreen-ui-1kepx47" href="#download" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="download">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
To download MongoDB 8.0, go to the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/try/download/community-edition?tck=docs_server" target="_self">
<span>
MongoDB Download Center
<!-- -->
.
</span>
</a>
</p>
</section>
</section>
|
https://www.mongodb.com/docs/manual/tutorial/unshard-collection/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Unshard a Collection
<a class="headerlink leafygreen-ui-1kepx47" href="#unshard-a-collection" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="unshard-a-collection">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#about-this-task" target="_self">
<span>
About this Task
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#access-control" target="_self">
<span>
Access Control
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#before-you-begin" target="_self">
<span>
Before you Begin
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#steps" target="_self">
<span>
Steps
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#learn-more" target="_self">
<span>
Learn More
</span>
</a>
</li>
</ul>
</div>
<p class="leafygreen-ui-1kp3ins">
You can unshard a sharded collection with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/unshardCollection/#mongodb-dbcommand-dbcmd.unshardCollection">
<code class="leafygreen-ui-1l06pbn">
unshardCollection
</code>
</a>
command. When you unshard a collection,
the collection cannot be partitioned across multiple
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-shard">
shards
</a>
and the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-shard-key">
shard key
</a>
is removed.
</p>
<p class="leafygreen-ui-1kp3ins">
By default, when you unshard a collection, MongoDB moves the
collection's data to the shard with the least amount of data.
Alternatively, you can specify which shard to place the data on.
</p>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
About this Task
<a class="headerlink leafygreen-ui-1kepx47" href="#about-this-task" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="about-this-task">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Compatibility
<a class="headerlink leafygreen-ui-1kepx47" href="#compatibility" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="compatibility">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
You can perform this task on deployments hosted in the following
environments:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas?tck=docs_server" target="_self">
<span>
MongoDB Atlas
</span>
</a>
: The fully
managed service for MongoDB deployments in the cloud
</p>
</li>
</ul>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
This task is not available on the Atlas Shared Tier or on Atlas
Serverless.
</p>
</div>
</div>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-enterprise/#std-label-install-mdb-enterprise">
MongoDB Enterprise
</a>
: The
subscription-based, self-managed version of MongoDB
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-community/#std-label-install-mdb-community-edition">
MongoDB Community
</a>
: The
source-available, free-to-use, and self-managed version of MongoDB
</p>
</li>
</ul>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Restrictions
<a class="headerlink leafygreen-ui-1kepx47" href="#restrictions" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="restrictions">
</div>
</a>
</h3>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
unshardCollection
</code>
can only be run on sharded clusters.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
unshardCollection
</code>
can only operate on sharded collections.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
unshardCollection
</code>
can only operate on a single collection at a time.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
unshardCollection
</code>
has a 5 minute minimum duration.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
You must rebuild Atlas Search indexes after
<code class="leafygreen-ui-1l06pbn">
unshardCollection
</code>
runs.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
You cannot make topology changes, such as adding or removing shards
or transitioning between embedded and dedicated config servers, until
<code class="leafygreen-ui-1l06pbn">
unshardCollection
</code>
completes.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
You cannot run the following operations on the collection that
is being unsharded while
<code class="leafygreen-ui-1l06pbn">
unshardCollection
</code>
is in progress:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/collMod/#mongodb-dbcommand-dbcmd.collMod">
<code class="leafygreen-ui-1l06pbn">
collMod
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/convertToCapped/#mongodb-dbcommand-dbcmd.convertToCapped">
<code class="leafygreen-ui-1l06pbn">
convertToCapped
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/createIndexes/#mongodb-dbcommand-dbcmd.createIndexes">
<code class="leafygreen-ui-1l06pbn">
createIndexes
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.createIndexes/#mongodb-method-db.collection.createIndexes">
<code class="leafygreen-ui-1l06pbn">
db.collection.createIndexes()
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/drop/#mongodb-dbcommand-dbcmd.drop">
<code class="leafygreen-ui-1l06pbn">
drop
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.drop/#mongodb-method-db.collection.drop">
<code class="leafygreen-ui-1l06pbn">
db.collection.drop()
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/dropIndexes/#mongodb-dbcommand-dbcmd.dropIndexes">
<code class="leafygreen-ui-1l06pbn">
dropIndexes
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.dropIndex/#mongodb-method-db.collection.dropIndex">
<code class="leafygreen-ui-1l06pbn">
db.collection.dropIndex()
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/renameCollection/#mongodb-dbcommand-dbcmd.renameCollection">
<code class="leafygreen-ui-1l06pbn">
renameCollection
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.renameCollection/#mongodb-method-db.collection.renameCollection">
<code class="leafygreen-ui-1l06pbn">
db.collection.renameCollection()
</code>
</a>
</p>
</li>
</ul>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
You cannot run the following operations on the cluster while
<code class="leafygreen-ui-1l06pbn">
unshardCollection
</code>
is in progress:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/addShard/#mongodb-dbcommand-dbcmd.addShard">
<code class="leafygreen-ui-1l06pbn">
addShard
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/removeShard/#mongodb-dbcommand-dbcmd.removeShard">
<code class="leafygreen-ui-1l06pbn">
removeShard
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.createCollection/#mongodb-method-db.createCollection">
<code class="leafygreen-ui-1l06pbn">
db.createCollection()
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/dropDatabase/#mongodb-dbcommand-dbcmd.dropDatabase">
<code class="leafygreen-ui-1l06pbn">
dropDatabase
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/transitionToDedicatedConfigServer/#mongodb-dbcommand-dbcmd.transitionToDedicatedConfigServer">
<code class="leafygreen-ui-1l06pbn">
transitionToDedicatedConfigServer
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/transitionFromDedicatedConfigServer/#mongodb-dbcommand-dbcmd.transitionFromDedicatedConfigServer">
<code class="leafygreen-ui-1l06pbn">
transitionFromDedicatedConfigServer
</code>
</a>
</p>
</li>
</ul>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Index builds that occur while
<code class="leafygreen-ui-1l06pbn">
unshardCollection
</code>
is in progress might silently fail.
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Do not create indexes while
<code class="leafygreen-ui-1l06pbn">
unshardCollection
</code>
is in progress.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Do not call
<code class="leafygreen-ui-1l06pbn">
unshardCollection
</code>
if there are ongoing index builds.
</p>
</li>
</ul>
</li>
</ul>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Access Control
<a class="headerlink leafygreen-ui-1kepx47" href="#access-control" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="access-control">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
If your deployment has
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/authorization/#std-label-authorization">
access control
</a>
enabled,
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/built-in-roles/#mongodb-authrole-enableSharding">
<code class="leafygreen-ui-1l06pbn">
enableSharding
</code>
</a>
role grants you access to run the
<code class="leafygreen-ui-1l06pbn">
unshardCollection
</code>
command.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Before you Begin
<a class="headerlink leafygreen-ui-1kepx47" href="#before-you-begin" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="before-you-begin">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Before you unshard your collection, ensure that you meet the following
requirements:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Your application can tolerate a period of
<strong>
two seconds
</strong>
where the
affected collection blocks writes. During the time period where
writes are blocked, your application experiences an increase in
latency.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Your database meets these resource requirements:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Ensure the shard you are moving the collection to has enough storage
space for the collection and its indexes. The destination shard requires
at least
<code class="leafygreen-ui-1l06pbn">
( Collection storage size + Index Size ) * 2
</code>
bytes
available.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Ensure that your I/O capacity is below 50%.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Ensure that your CPU load is below 80%.
</p>
</li>
</ul>
</li>
</ul>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Steps
<a class="headerlink leafygreen-ui-1kepx47" href="#steps" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="steps">
</div>
</a>
</h2>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"If you want to put the data from your sharded collection on a\nspecific shard, you need the target shard's name.To see the list of shard names in your cluster, use the\nlistShards command:The shards._id field lists the name of each shard.","name":"(Optional) List shard names"},{"@type":"HowToStep","text":"To unshard a collection, run the unshardCollection command.\nThe following example unshards a collection called us_accounts in\nthe sales database:After the unshard operation completes, the data in the\nus_accounts collection is on shard1. If you omit the\ntoShard field, the data is placed on the shard with the least\namount of data.","name":"Unshard the collection"},{"@type":"HowToStep","text":"To confirm that the collection is unsharded, use the\n$shardedDataDistribution stage and try to match on the\nunsharded namespace:If the aggregation doesn't return any data, the collection is\nunsharded.","name":"Confirm that the collection is unsharded"}],"name":"Steps","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
</script>
<div class="css-4nyere eccljxs0">
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
(Optional) List shard names
<a class="headerlink leafygreen-ui-1kepx47" href="#-optional--list-shard-names" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="-optional--list-shard-names">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
If you want to put the data from your sharded collection on a
specific shard, you need the target shard's name.
</p>
<p class="leafygreen-ui-1kp3ins">
To see the list of shard names in your cluster, use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/listShards/#mongodb-dbcommand-dbcmd.listShards">
<code class="leafygreen-ui-1l06pbn">
listShards
</code>
</a>
command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.adminCommand( { listShards: 1 } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">adminCommand</span>( <!-- -->{ <span class="lg-highlight-attr">listShards</span>: <span class="lg-highlight-number">1</span> } )</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
shards._id
</code>
field lists the name of each shard.
</p>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Unshard the collection
<a class="headerlink leafygreen-ui-1kepx47" href="#unshard-the-collection" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="unshard-the-collection">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To unshard a collection, run the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/unshardCollection/#mongodb-dbcommand-dbcmd.unshardCollection">
<code class="leafygreen-ui-1l06pbn">
unshardCollection
</code>
</a>
command.
The following example unshards a collection called
<code class="leafygreen-ui-1l06pbn">
us_accounts
</code>
in
the
<code class="leafygreen-ui-1l06pbn">
sales
</code>
database:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.adminCommand( {\n unshardCollection: \"sales.us_accounts\",\n toShard: \"shard1\"\n} )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">adminCommand</span>( <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">unshardCollection</span>: <span class="lg-highlight-string">"sales.us_accounts"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">toShard</span>: <span class="lg-highlight-string">"shard1"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">} )</td></tr></tbody></table></code></pre>
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
After the unshard operation completes, the data in the
<code class="leafygreen-ui-1l06pbn">
us_accounts
</code>
collection is on
<code class="leafygreen-ui-1l06pbn">
shard1
</code>
. If you omit the
<code class="leafygreen-ui-1l06pbn">
toShard
</code>
field, the data is placed on the shard with the least
amount of data.
</p>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
3
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Confirm that the collection is unsharded
<a class="headerlink leafygreen-ui-1kepx47" href="#confirm-that-the-collection-is-unsharded" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="confirm-that-the-collection-is-unsharded">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To confirm that the collection is unsharded, use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/shardedDataDistribution/#mongodb-pipeline-pipe.-shardedDataDistribution">
<code class="leafygreen-ui-1l06pbn">
$shardedDataDistribution
</code>
</a>
stage and try to match on the
unsharded namespace:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.aggregate( [\n { $shardedDataDistribution: { } },\n { $match: { \"ns\": \"sales.us_accounts\" } }\n] )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">aggregate</span>( <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">$shardedDataDistribution</span>: <!-- -->{ <!-- -->} }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">$match</span>: <!-- -->{ <span class="lg-highlight-string">"ns"</span>: <span class="lg-highlight-string">"sales.us_accounts"</span> } }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">] )</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
If the aggregation doesn't return any data, the collection is
unsharded.
</p>
</section>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Learn More
<a class="headerlink leafygreen-ui-1kepx47" href="#learn-more" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="learn-more">
</div>
</a>
</h2>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/sh.abortUnshardCollection/#mongodb-method-sh.abortUnshardCollection">
<code class="leafygreen-ui-1l06pbn">
sh.abortUnshardCollection()
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/remove-shards-from-cluster/#std-label-remove-shards-from-cluster-tutorial">
Remove Shards from a Sharded Cluster
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-refine-a-shard-key/#std-label-shard-key-refine">
Refine a Shard Key
</a>
</p>
</li>
</ul>
</section>
</section>
|
https://www.mongodb.com/docs/manual/release-notes/8.0-compatibility/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Compatibility Changes in MongoDB 8.0
<a class="headerlink leafygreen-ui-1kepx47" href="#compatibility-changes-in-mongodb-8.0" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="compatibility-changes-in-mongodb-8.0">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#query-behavior" target="_self">
<span>
Query Behavior
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#deprecations" target="_self">
<span>
Deprecations
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#backward-incompatible-features" target="_self">
<span>
Backward-Incompatible Features
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#general-changes" target="_self">
<span>
General Changes
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#aggregation" target="_self">
<span>
Aggregation
</span>
</a>
</li>
</ul>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-8.0-downgrade-incompatible">
</span>
<span class="leafygreen-ui-1qnjd6d" id="std-label-8.0-downgrade-considerations">
</span>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Query Behavior
<a class="headerlink leafygreen-ui-1kepx47" href="#query-behavior" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="query-behavior">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Queries for null Don't Match undefined Fields
<a class="headerlink leafygreen-ui-1kepx47" href="#queries-for-null-don-t-match-undefined-fields" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="queries-for-null-don-t-match-undefined-fields">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, comparisons to
<code class="leafygreen-ui-1l06pbn">
null
</code>
in equality match
expressions don't match
<code class="leafygreen-ui-1l06pbn">
undefined
</code>
values.
</p>
<p class="leafygreen-ui-1kp3ins">
For example, consider these documents and query:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"// people collection\n\n{ _id: 1, name: null },\n{ _id: 2, name: undefined },\n{ _id: 3, name2: \"Alice\" }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// people collection</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-literal">null</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">2</span>, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-literal">undefined</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">3</span>, <span class="lg-highlight-attr">name2</span>: <span class="lg-highlight-string">"Alice"</span> }</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.people.find( { name: null } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">people</span>.<span class="lg-highlight-title lg-highlight-function">find</span>( <!-- -->{ <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-literal">null</span> } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Prior to MongoDB 8.0, the preceding query would match documents where:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
name
</code>
field is
<code class="leafygreen-ui-1l06pbn">
null
</code>
(
<code class="leafygreen-ui-1l06pbn">
_id: 1
</code>
)
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
name
</code>
field is
<code class="leafygreen-ui-1l06pbn">
undefined
</code>
(
<code class="leafygreen-ui-1l06pbn">
_id: 2
</code>
)
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
name
</code>
field does not exist (
<code class="leafygreen-ui-1l06pbn">
_id: 3
</code>
)
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, the preceding query does not match the document
where the
<code class="leafygreen-ui-1l06pbn">
name
</code>
field is
<code class="leafygreen-ui-1l06pbn">
undefined
</code>
(
<code class="leafygreen-ui-1l06pbn">
_id: 2
</code>
).
</p>
<p class="leafygreen-ui-1kp3ins">
To match documents where
<code class="leafygreen-ui-1l06pbn">
name
</code>
is
<code class="leafygreen-ui-1l06pbn">
undefined
</code>
, you must explicitly
specify the
<code class="leafygreen-ui-1l06pbn">
undefined
</code>
type in your query. For example, the following
query returns all sample documents:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.people.find( {\n $or: [\n { name: null },\n { name: { $type: \"undefined\" } }\n ]\n} )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">people</span>.<span class="lg-highlight-title lg-highlight-function">find</span>( <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$or</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-literal">null</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">name</span>: <!-- -->{ <span class="lg-highlight-attr">$type</span>: <span class="lg-highlight-string">"undefined"</span> } }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">} )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
This query behavior change also impacts these operations:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/query/eq/#mongodb-query-op.-eq">
<code class="leafygreen-ui-1l06pbn">
$eq
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/query/in/#mongodb-query-op.-in">
<code class="leafygreen-ui-1l06pbn">
$in
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/lookup/#mongodb-pipeline-pipe.-lookup">
<code class="leafygreen-ui-1l06pbn">
$lookup
</code>
</a>
, because a
<code class="leafygreen-ui-1l06pbn">
null
</code>
local field no longer matches
an
<code class="leafygreen-ui-1l06pbn">
undefined
</code>
foreign field.
</p>
</li>
</ul>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Deprecations
<a class="headerlink leafygreen-ui-1kepx47" href="#deprecations" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="deprecations">
</div>
</a>
</h2>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:80%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Deprecated
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
LDAP
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, LDAP authentication and authorization is
deprecated. LDAP is available and will continue to operate without
changes throughout the lifetime of MongoDB 8. LDAP will be removed in a
future major release.
</p>
<p class="leafygreen-ui-1kp3ins">
For more details, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/LDAP-deprecation/#std-label-ldap-deprecation">
LDAP Deprecation
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
LDAP migration information will be available in the future.
</p>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Hedged reads
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, hedged reads are deprecated. Queries that
specify the read preference
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/read-preference/#mongodb-readmode-nearest">
<code class="leafygreen-ui-1l06pbn">
nearest
</code>
</a>
no longer use hedged
reads by default. If you explicitly specify a hedged read, MongoDB
performs a hedged read and logs a warning.
</p>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Index filters
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
<em>
Deprecated in version 8.0.
</em>
</p>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, use query settings instead of adding
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/query-plans/#std-label-index-filters">
index filters
</a>
. Index filters are deprecated
starting in MongoDB 8.0.
</p>
<p class="leafygreen-ui-1kp3ins">
Query settings have more functionality than index filters. Also, index
filters aren't persistent and you cannot easily create index filters for
all cluster nodes. To add query settings and explore examples, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/setQuerySettings/#mongodb-dbcommand-dbcmd.setQuerySettings">
<code class="leafygreen-ui-1l06pbn">
setQuerySettings
</code>
.
</a>
</p>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Server-side JavaScript functions
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, server-side JavaScript functions
(
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/accumulator/#mongodb-group-grp.-accumulator">
<code class="leafygreen-ui-1l06pbn">
$accumulator
</code>
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/function/#mongodb-expression-exp.-function">
<code class="leafygreen-ui-1l06pbn">
$function
</code>
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/query/where/#mongodb-query-op.-where">
<code class="leafygreen-ui-1l06pbn">
$where
</code>
</a>
) are
deprecated. MongoDB logs a warning when you run these functions.
</p>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
tcmallocAggressiveMemoryDecommit
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 8.0 deprecates the
<code class="leafygreen-ui-1l06pbn">
tcmallocAggressiveMemoryDecommit
</code>
parameter.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
enableFinerGrainedCatalogCacheRefresh
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 8.0 deprecates the
<code class="leafygreen-ui-1l06pbn">
enableFinerGrainedCatalogCacheRefresh
</code>
parameter.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
timeField
</code>
in shard key for time series collection
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, use of the
<code class="leafygreen-ui-1l06pbn">
timeField
</code>
as a shard key in a
time series collection is deprecated.
</p>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
cleanupOrphaned
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
MongoDB 8.0 deprecates the
<code class="leafygreen-ui-1l06pbn">
cleanupOrphaned
</code>
command. To
confirm that no orphaned documents remain, use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/shardedDataDistribution/#mongodb-pipeline-pipe.-shardedDataDistribution">
<code class="leafygreen-ui-1l06pbn">
$shardedDataDistribution
</code>
</a>
instead.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
rangePreview
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, the
<code class="leafygreen-ui-1l06pbn">
rangePreview
</code>
Queryable Encryption
algorithm is deprecated and removed. Use the
<code class="leafygreen-ui-1l06pbn">
Range
</code>
algorithm
instead.
</p>
<p class="leafygreen-ui-1kp3ins">
If your Queryable Encryption collection uses
<code class="leafygreen-ui-1l06pbn">
rangePreview
</code>
, you must
drop the collection before you can upgrade to MongoDB 8.0.
</p>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Backward-Incompatible Features
<a class="headerlink leafygreen-ui-1kepx47" href="#backward-incompatible-features" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="backward-incompatible-features">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Cannot Connect Directly to Shard and Run Commands
<a class="headerlink leafygreen-ui-1kepx47" href="#cannot-connect-directly-to-shard-and-run-commands" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="cannot-connect-directly-to-shard-and-run-commands">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, you can only run
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/supported-shard-direct-commands/#std-label-shard-direct-commands">
certain commands
</a>
on shards. If you attempt to connect directly
to a shard and run an unsupported command, MongoDB returns an error:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"\"You are connecting to a sharded cluster improperly by connecting directly\nto a shard. Please connect to the cluster via a router (mongos).\""}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">"You are connecting to a sharded cluster improperly by connecting directly</td></tr><tr class=""><td class="leafygreen-ui-7razhx">to a shard. Please connect to the cluster via a router (mongos)."</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
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</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
To run a non-supported database command directly against a shard, you
must either connect to
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
or have the maintenance-only
<code class="leafygreen-ui-1l06pbn">
directShardOperations
</code>
role.
</p>
<p class="leafygreen-ui-1kp3ins">
MongoDB supports online transition from a replica set to a 1-shard
cluster by allowing commands to be run directly against a shard.
However, once the cluster has more than one shard, only the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/supported-shard-direct-commands/#std-label-shard-direct-commands">
listed commands
</a>
can be run directly
against the shard without the maintenance-only
<code class="leafygreen-ui-1l06pbn">
directShardOperations
</code>
role.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Write Concern Majority
<a class="headerlink leafygreen-ui-1kepx47" href="#write-concern-majority" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="write-concern-majority">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, write operations that use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#mongodb-writeconcern-writeconcern.-majority-">
<code class="leafygreen-ui-1l06pbn">
"majority"
</code>
</a>
write concern return an
acknowledgment when the majority of replica set members have
written the oplog entry for the change. This improves the
performance of
<code class="leafygreen-ui-1l06pbn">
"majority"
</code>
writes. In previous releases,
these operations would wait and return an acknowledgment after
the majority of replica set members applied the change.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Oplog Buffers
<a class="headerlink leafygreen-ui-1kepx47" href="#oplog-buffers" title="Permalink to this heading">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="oplog-buffers">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, secondaries write and apply oplog entries for each batch
in parallel. This introduces a breaking change for the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.buffer">
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer
</code>
</a>
status metric, as it now provides information
on two buffers instead of one.
</p>
<p class="leafygreen-ui-1kp3ins">
MongoDB 8.0 deprecates the following server status metrics:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.buffer.count">
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer.count
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.buffer.maxSizeBytes">
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer.maxSizeBytes
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.buffer.sizeBytes">
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer.sizeBytes
</code>
</a>
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
It replaces them with these metrics:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.buffer.apply.count">
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer.apply.count
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.buffer.apply.maxSizeBytes">
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer.apply.maxSizeBytes
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.buffer.apply.sizeBytes">
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer.apply.sizeBytes
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.buffer.write.count">
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer.write.count
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.buffer.write.maxSizeBytes">
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer.write.maxSizeBytes
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.metrics.repl.buffer.write.sizeBytes">
<code class="leafygreen-ui-1l06pbn">
metrics.repl.buffer.write.sizeBytes
</code>
</a>
</p>
</li>
</ul>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
General Changes
<a class="headerlink leafygreen-ui-1kepx47" href="#general-changes" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="general-changes">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Shutdown Performance
<a class="headerlink leafygreen-ui-1kepx47" href="#shutdown-performance" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="shutdown-performance">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/Bulk.insert/#mongodb-method-Bulk.insert">
<code class="leafygreen-ui-1l06pbn">
Bulk.insert()
</code>
</a>
and data ingestion
workloads may perform better. However, shutting down MongoDB
immediately after running these workloads might take longer because
of the extra data being flushed to disk.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Concurrent Compact Commands Not Allowed
<a class="headerlink leafygreen-ui-1kepx47" href="#concurrent-compact-commands-not-allowed" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="concurrent-compact-commands-not-allowed">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, if you try to run multiple concurrent
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/compact/#mongodb-dbcommand-dbcmd.compact">
<code class="leafygreen-ui-1l06pbn">
compact
</code>
</a>
commands on the same collection, MongoDB returns an
error.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Geospatial Input Validation
<a class="headerlink leafygreen-ui-1kepx47" href="#geospatial-input-validation" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="geospatial-input-validation">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, you cannot use geospatial queries with
malformed input. In prior versions, certain geospatial queries
accept malformed input without an error.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
OIDC Identity Providers Can Share an Issuer
<a class="headerlink leafygreen-ui-1kepx47" href="#oidc-identity-providers-can-share-an-issuer" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="oidc-identity-providers-can-share-an-issuer">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, when multiple identity providers (IDP) are
defined, the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.oidcIdentityProviders">
<code class="leafygreen-ui-1l06pbn">
oidcIdentityProviders
</code>
</a>
parameter accepts duplicate
<code class="leafygreen-ui-1l06pbn">
issuer
</code>
values as long as the
<code class="leafygreen-ui-1l06pbn">
audience
</code>
value is unique for each
issuer. This is also available in versions 7.3 and 7.0.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
serverStatus Output Change
<a class="headerlink leafygreen-ui-1kepx47" href="#serverstatus-output-change" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="serverstatus-output-change">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0,
<code class="leafygreen-ui-1l06pbn">
wiredTiger.concurrentTransactions
</code>
is renamed to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.queues.execution">
<code class="leafygreen-ui-1l06pbn">
queues.execution
</code>
.
</a>
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Aggregation
<a class="headerlink leafygreen-ui-1kepx47" href="#aggregation" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="aggregation">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
<code class="leafygreen-ui-1l06pbn">
$rank
</code>
and
<code class="leafygreen-ui-1l06pbn">
$denseRank
</code>
Behavior
<a class="headerlink leafygreen-ui-1kepx47" href="#-rank-and--denserank-behavior" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="-rank-and--denserank-behavior">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0,
<code class="leafygreen-ui-1l06pbn">
null
</code>
and missing field values in
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/denseRank/#mongodb-group-grp.-denseRank">
<code class="leafygreen-ui-1l06pbn">
$denseRank
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/rank/#mongodb-group-grp.-rank">
<code class="leafygreen-ui-1l06pbn">
$rank
</code>
</a>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/setWindowFields/#std-label-setWindowFields-sortBy">
sortBy
</a>
operations
are treated the same when calculating rankings. This change makes
the behavior of
<code class="leafygreen-ui-1l06pbn">
denseRank
</code>
and
<code class="leafygreen-ui-1l06pbn">
rank
</code>
consistent with
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/sort/#mongodb-pipeline-pipe.-sort">
<code class="leafygreen-ui-1l06pbn">
$sort
</code>
.
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
$shardedDataDistribution Output
<a class="headerlink leafygreen-ui-1kepx47" href="#-shardeddatadistribution-output" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="-shardeddatadistribution-output">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0,
<code class="leafygreen-ui-1l06pbn">
$shardedDataDistribution
</code>
only returns
output for a collection's
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-primary-shard">
primary shard
</a>
if the primary shard
has
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-chunk">
chunks
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-orphaned-document">
orphaned documents
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
For details, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/shardedDataDistribution/#mongodb-pipeline-pipe.-shardedDataDistribution">
<code class="leafygreen-ui-1l06pbn">
$shardedDataDistribution
</code>
.
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Upgraded TCMalloc
<a class="headerlink leafygreen-ui-1kepx47" href="#upgraded-tcmalloc" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="upgraded-tcmalloc">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, MongoDB uses an upgraded version of TCMalloc that
uses
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-per-CPU-cache">
per-CPU caches
</a>
, instead of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-per-thread-cache">
per-thread caches
</a>
, to reduce memory fragmentation and make your database more
resilient to high-stress workloads.
</p>
<p class="leafygreen-ui-1kp3ins">
To use the new TCMalloc with better performance, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/tcmalloc-performance/#std-label-tcmalloc-performance">
TCMalloc Performance Optimization for a Self-Managed Deployment
<!-- -->
.
</a>
</p>
</section>
</section>
</section>
|
https://www.mongodb.com/docs/manual/tutorial/move-a-collection/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Move a Collection
<a class="headerlink leafygreen-ui-1kepx47" href="#move-a-collection" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="move-a-collection">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#about-this-task" target="_self">
<span>
About this Task
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#access-control" target="_self">
<span>
Access Control
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#before-you-begin" target="_self">
<span>
Before you Begin
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#steps" target="_self">
<span>
Steps
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#learn-more" target="_self">
<span>
Learn More
</span>
</a>
</li>
</ul>
</div>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, you can move an unsharded collection to a
different shard using the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/moveCollection/#mongodb-dbcommand-dbcmd.moveCollection">
<code class="leafygreen-ui-1l06pbn">
moveCollection
</code>
</a>
command.
</p>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
About this Task
<a class="headerlink leafygreen-ui-1kepx47" href="#about-this-task" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="about-this-task">
</div>
</a>
</h2>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
moveCollection
</code>
can only be run on sharded clusters.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
moveCollection
</code>
can only move unsharded collections.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
moveCollection
</code>
can only move a single collection at a time.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
moveCollection
</code>
has a 5 minute minimum duration.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Atlas Search indexes need to be rebuilt after
<code class="leafygreen-ui-1l06pbn">
moveCollection
</code>
runs.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
You cannot make topology changes, such as add or remove shard or
transition between embedded and dedicated config servers, until
<code class="leafygreen-ui-1l06pbn">
moveCollection
</code>
completes.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
You cannot run the following operations against the collection that
is being moved while
<code class="leafygreen-ui-1l06pbn">
moveCollection
</code>
is in progress:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/collMod/#mongodb-dbcommand-dbcmd.collMod">
<code class="leafygreen-ui-1l06pbn">
collMod
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/convertToCapped/#mongodb-dbcommand-dbcmd.convertToCapped">
<code class="leafygreen-ui-1l06pbn">
convertToCapped
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/createIndexes/#mongodb-dbcommand-dbcmd.createIndexes">
<code class="leafygreen-ui-1l06pbn">
createIndexes
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.createIndexes/#mongodb-method-db.collection.createIndexes">
<code class="leafygreen-ui-1l06pbn">
db.collection.createIndexes()
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/drop/#mongodb-dbcommand-dbcmd.drop">
<code class="leafygreen-ui-1l06pbn">
drop
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.drop/#mongodb-method-db.collection.drop">
<code class="leafygreen-ui-1l06pbn">
db.collection.drop()
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/dropIndexes/#mongodb-dbcommand-dbcmd.dropIndexes">
<code class="leafygreen-ui-1l06pbn">
dropIndexes
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.dropIndex/#mongodb-method-db.collection.dropIndex">
<code class="leafygreen-ui-1l06pbn">
db.collection.dropIndex()
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/renameCollection/#mongodb-dbcommand-dbcmd.renameCollection">
<code class="leafygreen-ui-1l06pbn">
renameCollection
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.renameCollection/#mongodb-method-db.collection.renameCollection">
<code class="leafygreen-ui-1l06pbn">
db.collection.renameCollection()
</code>
</a>
</p>
</li>
</ul>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
You cannot run the following operations against the cluster while
<code class="leafygreen-ui-1l06pbn">
moveCollection
</code>
is in progress:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/addShard/#mongodb-dbcommand-dbcmd.addShard">
<code class="leafygreen-ui-1l06pbn">
addShard
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/removeShard/#mongodb-dbcommand-dbcmd.removeShard">
<code class="leafygreen-ui-1l06pbn">
removeShard
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.createCollection/#mongodb-method-db.createCollection">
<code class="leafygreen-ui-1l06pbn">
db.createCollection()
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/dropDatabase/#mongodb-dbcommand-dbcmd.dropDatabase">
<code class="leafygreen-ui-1l06pbn">
dropDatabase
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/transitionToDedicatedConfigServer/#mongodb-dbcommand-dbcmd.transitionToDedicatedConfigServer">
<code class="leafygreen-ui-1l06pbn">
transitionToDedicatedConfigServer
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/transitionFromDedicatedConfigServer/#mongodb-dbcommand-dbcmd.transitionFromDedicatedConfigServer">
<code class="leafygreen-ui-1l06pbn">
transitionFromDedicatedConfigServer
</code>
</a>
</p>
</li>
</ul>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Index builds that occur while
<code class="leafygreen-ui-1l06pbn">
moveCollection
</code>
is in progress might silently fail.
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Do not create indexes while
<code class="leafygreen-ui-1l06pbn">
moveCollection
</code>
is in progress.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Do not call
<code class="leafygreen-ui-1l06pbn">
moveCollection
</code>
if there are ongoing index builds.
</p>
</li>
</ul>
</li>
</ul>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Access Control
<a class="headerlink leafygreen-ui-1kepx47" href="#access-control" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="access-control">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
If your deployment has
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/authorization/#std-label-authorization">
access control
</a>
enabled,
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/built-in-roles/#mongodb-authrole-enableSharding">
<code class="leafygreen-ui-1l06pbn">
enableSharding
</code>
</a>
role grants you access to run the
<code class="leafygreen-ui-1l06pbn">
moveCollection
</code>
command.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Before you Begin
<a class="headerlink leafygreen-ui-1kepx47" href="#before-you-begin" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="before-you-begin">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Before you move your collection, ensure that you meet the following
requirements:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Your application can tolerate a period of
<strong>
two seconds
</strong>
where the
affected collection blocks writes. During the time period where
writes are blocked, your application experiences an increase in
latency.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Your database meets these resource requirements:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Ensure the shard you are moving the collection to has enough storage
space for the collection and its indexes. The destination shard requires
at least
<code class="leafygreen-ui-1l06pbn">
( Collection storage size + Index Size ) * 2
</code>
bytes
available.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Ensure that your I/O capacity is below 50%.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Ensure that your CPU load is below 80%.
</p>
</li>
</ul>
</li>
</ul>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
These requirements are not enforced by the database. A failure to
allocate enough resources can result in:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
the database running out of space and shutting down
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
decreased performance
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
the operation taking longer than expected
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
If your application has time periods with less traffic, perform this
operation on the collection during that time if possible.
</p>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Steps
<a class="headerlink leafygreen-ui-1kepx47" href="#steps" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="steps">
</div>
</a>
</h2>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"To move an unsharded collection named inventory on the\napp database to the shard02 shard, run moveCollection:To get a list of the available shard IDs, run sh.status().\nFor details, see sh.status() Output.","name":"Move the collection."},{"@type":"HowToStep","text":"Monitor the time remaining.To monitor the time remaining for the moveCollection\noperation, use the $currentOp pipeline stage.This example shows how to check the progress of\nmoveCollection on the app.inventory collection:To see updated values, you need to continuously run the\npreceeding pipeline.The $currentOp pipeline outputs:totalOperationTimeElapsedSecs: elapsed operation time in\nsecondsremainingOperationTimeEstimatedSecs: estimated time\nremaining in seconds for the current moveCollection\noperation. It is returned as -1 when a new\nmoveCollection operation starts.remainingOperationTimeEstimatedSecs is set to a pessimistic time\nestimate:is a relatively long time.actual catch-up phase time is relatively short.This pipeline stage has output similar to the following:Monitor the number of bytes transferred.To monitor the number of bytes transferred,\nuse shardingStatistics.resharding.active.bytesCopied\nand compare against the number of bytes in the collection.","name":"Monitor the progress of the moveCollection operation."},{"@type":"HowToStep","text":"To confirm the collection has been moved to the expected shard,\nuse the $collStats pipeline stage.This example shows how to confirm that the app.inventory\ncollection exists on the expected shard:This pipeline stage has output similar to the following:","name":"Confirm the collection has been moved."}],"name":"Steps","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
</script>
<div class="css-4nyere eccljxs0">
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Move the collection.
<a class="headerlink leafygreen-ui-1kepx47" href="#move-the-collection." title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="move-the-collection.">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To move an unsharded collection named
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
on the
<code class="leafygreen-ui-1l06pbn">
app
</code>
database to the
<code class="leafygreen-ui-1l06pbn">
shard02
</code>
shard, run
<code class="leafygreen-ui-1l06pbn">
moveCollection
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.adminCommand(\n {\n moveCollection: \"app.inventory\",\n toShard: \"shard02\"\n }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">adminCommand</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">moveCollection</span>: <span class="lg-highlight-string">"app.inventory"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">toShard</span>: <span class="lg-highlight-string">"shard02"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
To get a list of the available shard IDs, run
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/sh.status/#mongodb-method-sh.status">
<code class="leafygreen-ui-1l06pbn">
sh.status()
</code>
</a>
.
For details, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/sh.status/#std-label-sh-status-output-examples">
sh.status() Output
<!-- -->
.
</a>
</p>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Monitor the progress of the moveCollection operation.
<a class="headerlink leafygreen-ui-1kepx47" href="#monitor-the-progress-of-the-movecollection-operation." title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="monitor-the-progress-of-the-movecollection-operation.">
</div>
</a>
</h3>
<ol class="leafygreen-ui-rioki0" type="a">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Monitor the time remaining.
</p>
<p class="leafygreen-ui-1kp3ins">
To monitor the time remaining for the
<code class="leafygreen-ui-1l06pbn">
moveCollection
</code>
operation, use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/currentOp/#mongodb-pipeline-pipe.-currentOp">
<code class="leafygreen-ui-1l06pbn">
$currentOp
</code>
</a>
pipeline stage.
</p>
<p class="leafygreen-ui-1kp3ins">
This example shows how to check the progress of
<code class="leafygreen-ui-1l06pbn">
moveCollection
</code>
on the
<code class="leafygreen-ui-1l06pbn">
app.inventory
</code>
collection:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.getSiblingDB(\"admin\").aggregate( [\n { $currentOp: { allUsers: true, localOps: false } },\n {\n $match: {\n type: \"op\",\n \"originatingCommand.reshardCollection\": \"app.inventory\"\n }\n }\n] )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">getSiblingDB</span>(<span class="lg-highlight-string">"admin"</span>).<span class="lg-highlight-title lg-highlight-function">aggregate</span>( <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">$currentOp</span>: <!-- -->{ <span class="lg-highlight-attr">allUsers</span>: <span class="lg-highlight-literal">true</span>, <span class="lg-highlight-attr">localOps</span>: <span class="lg-highlight-literal">false</span> } }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$match</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">type</span>: <span class="lg-highlight-string">"op"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"originatingCommand.reshardCollection"</span>: <span class="lg-highlight-string">"app.inventory"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">] )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
To see updated values, you need to continuously run the
preceeding pipeline.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/currentOp/#mongodb-pipeline-pipe.-currentOp">
<code class="leafygreen-ui-1l06pbn">
$currentOp
</code>
</a>
pipeline outputs:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
totalOperationTimeElapsedSecs
</code>
: elapsed operation time in
seconds
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
remainingOperationTimeEstimatedSecs
</code>
: estimated time
remaining in seconds for the current
<code class="leafygreen-ui-1l06pbn">
moveCollection
</code>
operation. It is returned as
<code class="leafygreen-ui-1l06pbn">
-1
</code>
when a new
<code class="leafygreen-ui-1l06pbn">
moveCollection
</code>
operation starts.
</p>
</li>
</ul>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
remainingOperationTimeEstimatedSecs
</code>
is set to a pessimistic time
estimate:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<dl>
<dt>
The catch-up phase time estimate is set to the clone phase time, which
</dt>
<dd class="css-1ufxuu7">
is a relatively long time.
</dd>
</dl>
</li>
<li class="leafygreen-ui-d7p7b6">
<dl>
<dt>
In practice, if there are only a few pending write operations, the
</dt>
<dd class="css-1ufxuu7">
actual catch-up phase time is relatively short.
</dd>
</dl>
</li>
</ul>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
This pipeline stage has output similar to the following:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"[\n {\n shard: '<shard>',\n type: 'op',\n desc: 'ReshardingRecipientService | ReshardingDonorService | ReshardingCoordinatorService <reshardinguuid>',\n op: 'command',\n ns: '<database>.<collection>',\n originatingCommand: {\n reshardCollection: '<database>.<collection>',\n key: <shardkey>,\n unique: <boolean>,\n collation: { locale: 'simple' }\n },\n totalOperationTimeElapsedSecs: <number>,\n remainingOperationTimeEstimatedSecs: <number>,\n ...\n },\n ...\n]","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-tyg50d">
<pre class="leafygreen-ui-1453az5" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">shard</span>: <span class="lg-highlight-string">'<shard>'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">type</span>: <span class="lg-highlight-string">'op'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">desc</span>: <span class="lg-highlight-string">'ReshardingRecipientService | ReshardingDonorService | ReshardingCoordinatorService <reshardingUUID>'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">op</span>: <span class="lg-highlight-string">'command'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">ns</span>: <span class="lg-highlight-string">'<database>.<collection>'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">originatingCommand</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">reshardCollection</span>: <span class="lg-highlight-string">'<database>.<collection>'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">key</span>: <<!-- -->shardkey<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">unique</span>: <<!-- -->boolean<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">collation</span>: <!-- -->{ <span class="lg-highlight-attr">locale</span>: <span class="lg-highlight-string">'simple'</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">totalOperationTimeElapsedSecs</span>: <<!-- -->number<!-- -->><!-- -->,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">remainingOperationTimeEstimatedSecs</span>: <<!-- -->number<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx">]</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Monitor the number of bytes transferred.
</p>
<p class="leafygreen-ui-1kp3ins">
To monitor the number of bytes transferred,
use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.shardingStatistics.resharding.active.bytesCopied">
<code class="leafygreen-ui-1l06pbn">
shardingStatistics.resharding.active.bytesCopied
</code>
</a>
and compare against the number of bytes in the collection.
</p>
</li>
</ol>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
3
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Confirm the collection has been moved.
<a class="headerlink leafygreen-ui-1kepx47" href="#confirm-the-collection-has-been-moved." title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="confirm-the-collection-has-been-moved.">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To confirm the collection has been moved to the expected shard,
use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/collStats/#mongodb-pipeline-pipe.-collStats">
<code class="leafygreen-ui-1l06pbn">
$collStats
</code>
</a>
pipeline stage.
</p>
<p class="leafygreen-ui-1kp3ins">
This example shows how to confirm that the
<code class="leafygreen-ui-1l06pbn">
app.inventory
</code>
collection exists on the expected shard:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.inventory.aggregate( [\n { $collStats: {} },\n { $project: { \"shard\": 1 } }\n] )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">inventory</span>.<span class="lg-highlight-title lg-highlight-function">aggregate</span>( <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">$collStats</span>: <!-- -->{<!-- -->} }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">$project</span>: <!-- -->{ <span class="lg-highlight-string">"shard"</span>: <span class="lg-highlight-number">1</span> } }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">] )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
This pipeline stage has output similar to the following:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"[ { shard: 'shard02' } ]","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1agdxuk" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">[ <!-- -->{ <span class="lg-highlight-attr">shard</span>: <span class="lg-highlight-string">'shard02'</span> } ]</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</section>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Learn More
<a class="headerlink leafygreen-ui-1kepx47" href="#learn-more" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="learn-more">
</div>
</a>
</h2>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/moveable-collections/#std-label-moveable-collections">
Moveable Collections
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/moveCollection/#mongodb-dbcommand-dbcmd.moveCollection">
<code class="leafygreen-ui-1l06pbn">
moveCollection
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/sh.moveCollection/#mongodb-method-sh.moveCollection">
<code class="leafygreen-ui-1l06pbn">
sh.moveCollection()
</code>
</a>
</p>
</li>
</ul>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/operator/aggregation/last/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
$last (aggregation)
<a class="headerlink leafygreen-ui-1kepx47" href="#-last--aggregation-" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="-last--aggregation-">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
<span>
Definition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#syntax" target="_self">
<span>
Syntax
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#behaviors" target="_self">
<span>
Behaviors
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#examples" target="_self">
<span>
Examples
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Definition
<a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="definition">
</div>
</a>
</h2>
<dl class="group">
<dt>
<code class="leafygreen-ui-1l06pbn">
$last
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-group-grp.-last" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-group-grp.-last">
</div>
</a>
</dt>
<dd>
</dd>
</dl>
<div>
<p>
<em>
Changed
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
Returns the result of an
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/#std-label-aggregation-expressions">
expression
</a>
for
the last document in a group of documents. Only meaningful when
documents are in a defined order.
</p>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-group-grp.-last" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$last
</code>
</span>
</a>
is available in these stages:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/bucket/#mongodb-pipeline-pipe.-bucket">
<code class="leafygreen-ui-1l06pbn">
$bucket
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/bucketAuto/#mongodb-pipeline-pipe.-bucketAuto">
<code class="leafygreen-ui-1l06pbn">
$bucketAuto
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/group/#mongodb-pipeline-pipe.-group">
<code class="leafygreen-ui-1l06pbn">
$group
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/setWindowFields/#mongodb-pipeline-pipe.-setWindowFields">
<code class="leafygreen-ui-1l06pbn">
$setWindowFields
</code>
</a>
(Available starting in MongoDB 5.0)
</p>
</li>
</ul>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Syntax
<a class="headerlink leafygreen-ui-1kepx47" href="#syntax" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="syntax">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
$last
</code>
syntax:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ $last: <expression> }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">$last</span>: <<!-- -->expression<!-- -->> <!-- -->}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Behaviors
<a class="headerlink leafygreen-ui-1kepx47" href="#behaviors" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="behaviors">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Defining Document Order
<a class="headerlink leafygreen-ui-1kepx47" href="#defining-document-order" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="defining-document-order">
</div>
</a>
</h3>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
To define the document order for
<code class="leafygreen-ui-1l06pbn">
$last
</code>
in a
<code class="leafygreen-ui-1l06pbn">
$setWindowFields
</code>
, set the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/setWindowFields/#std-label-setWindowFields-sortBy">
sortBy
</a>
field.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
To define the document order for
<code class="leafygreen-ui-1l06pbn">
$last
</code>
in other pipeline stages,
add a preceding
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/sort/#mongodb-pipeline-pipe.-sort">
<code class="leafygreen-ui-1l06pbn">
$sort
</code>
</a>
stage.
</p>
</li>
</ul>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Array Operator
<a class="headerlink leafygreen-ui-1kepx47" href="#array-operator" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="array-operator">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
If the expression resolves to an array:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
For a group of documents, as with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/group/#mongodb-pipeline-pipe.-group">
<code class="leafygreen-ui-1l06pbn">
$group
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/setWindowFields/#mongodb-pipeline-pipe.-setWindowFields">
<code class="leafygreen-ui-1l06pbn">
$setWindowFields
</code>
</a>
stages,
<code class="leafygreen-ui-1l06pbn">
$last
</code>
returns the
entire array from the last document. It does not traverse array elements.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
For an individual document, as with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/addFields/#mongodb-pipeline-pipe.-addFields">
<code class="leafygreen-ui-1l06pbn">
$addFields
</code>
</a>
stage,
<code class="leafygreen-ui-1l06pbn">
$last
</code>
returns the last element of the array.
</p>
</li>
</ul>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Missing Values
<a class="headerlink leafygreen-ui-1kepx47" href="#missing-values" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="missing-values">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Documents in a group may be missing fields or may have fields with
missing values.
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If there are no documents from the prior pipeline stage, the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/group/#mongodb-pipeline-pipe.-group">
<code class="leafygreen-ui-1l06pbn">
$group
</code>
</a>
stage returns nothing.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If the field that the
<code class="leafygreen-ui-1l06pbn">
$last
</code>
accumulator is processing is
missing,
<code class="leafygreen-ui-1l06pbn">
$last
</code>
returns
<code class="leafygreen-ui-1l06pbn">
null
</code>
.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
When used with
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/setWindowFields/#mongodb-pipeline-pipe.-setWindowFields">
<code class="leafygreen-ui-1l06pbn">
$setWindowFields
</code>
</a>
,
<code class="leafygreen-ui-1l06pbn">
$last
</code>
returns
<code class="leafygreen-ui-1l06pbn">
null
</code>
for empty windows. For example, when you have a
<code class="leafygreen-ui-1l06pbn">
{
documents: [ -1, -1] }
</code>
<code class="leafygreen-ui-1l06pbn">
documents
</code>
window on the first document
of a partition.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
For more information, see the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/first/#std-label-first-missing-values-example">
Missing Data
</a>
example later in this topic.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Examples
<a class="headerlink leafygreen-ui-1kepx47" href="#examples" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="examples">
</div>
</a>
</h2>
<span class="leafygreen-ui-1qnjd6d" id="std-label-last-accumulator-group-example">
</span>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Use in
<code class="leafygreen-ui-1l06pbn">
$group
</code>
Stage
<a class="headerlink leafygreen-ui-1kepx47" href="#use-in--group-stage" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="use-in--group-stage">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Consider a
<code class="leafygreen-ui-1l06pbn">
sales
</code>
collection with the following documents:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ \"_id\" : 1, \"item\" : \"abc\", \"date\" : ISODate(\"2014-01-01T08:00:00Z\"), \"price\" : 10, \"quantity\" : 2 }\n{ \"_id\" : 2, \"item\" : \"jkl\", \"date\" : ISODate(\"2014-02-03T09:00:00Z\"), \"price\" : 20, \"quantity\" : 1 }\n{ \"_id\" : 3, \"item\" : \"xyz\", \"date\" : ISODate(\"2014-02-03T09:05:00Z\"), \"price\" : 5, \"quantity\" : 5 }\n{ \"_id\" : 4, \"item\" : \"abc\", \"date\" : ISODate(\"2014-02-15T08:00:00Z\"), \"price\" : 10, \"quantity\" : 10 }\n{ \"_id\" : 5, \"item\" : \"xyz\", \"date\" : ISODate(\"2014-02-15T09:05:00Z\"), \"price\" : 5, \"quantity\" : 10 }\n{ \"_id\" : 6, \"item\" : \"xyz\", \"date\" : ISODate(\"2014-02-15T12:05:10Z\"), \"price\" : 5, \"quantity\" : 5 }\n{ \"_id\" : 7, \"item\" : \"xyz\", \"date\" : ISODate(\"2014-02-15T14:12:12Z\"), \"price\" : 5, \"quantity\" : 10 }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-string">"item"</span> <!-- -->: <span class="lg-highlight-string">"abc"</span>, <span class="lg-highlight-string">"date"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2014-01-01T08:00:00Z"</span>)<!-- -->, <span class="lg-highlight-string">"price"</span> <!-- -->: <span class="lg-highlight-number">10</span>, <span class="lg-highlight-string">"quantity"</span> <!-- -->: <span class="lg-highlight-number">2</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">2</span>, <span class="lg-highlight-string">"item"</span> <!-- -->: <span class="lg-highlight-string">"jkl"</span>, <span class="lg-highlight-string">"date"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2014-02-03T09:00:00Z"</span>)<!-- -->, <span class="lg-highlight-string">"price"</span> <!-- -->: <span class="lg-highlight-number">20</span>, <span class="lg-highlight-string">"quantity"</span> <!-- -->: <span class="lg-highlight-number">1</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">3</span>, <span class="lg-highlight-string">"item"</span> <!-- -->: <span class="lg-highlight-string">"xyz"</span>, <span class="lg-highlight-string">"date"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2014-02-03T09:05:00Z"</span>)<!-- -->, <span class="lg-highlight-string">"price"</span> <!-- -->: <span class="lg-highlight-number">5</span>, <span class="lg-highlight-string">"quantity"</span> <!-- -->: <span class="lg-highlight-number">5</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">4</span>, <span class="lg-highlight-string">"item"</span> <!-- -->: <span class="lg-highlight-string">"abc"</span>, <span class="lg-highlight-string">"date"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2014-02-15T08:00:00Z"</span>)<!-- -->, <span class="lg-highlight-string">"price"</span> <!-- -->: <span class="lg-highlight-number">10</span>, <span class="lg-highlight-string">"quantity"</span> <!-- -->: <span class="lg-highlight-number">10</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">5</span>, <span class="lg-highlight-string">"item"</span> <!-- -->: <span class="lg-highlight-string">"xyz"</span>, <span class="lg-highlight-string">"date"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2014-02-15T09:05:00Z"</span>)<!-- -->, <span class="lg-highlight-string">"price"</span> <!-- -->: <span class="lg-highlight-number">5</span>, <span class="lg-highlight-string">"quantity"</span> <!-- -->: <span class="lg-highlight-number">10</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">6</span>, <span class="lg-highlight-string">"item"</span> <!-- -->: <span class="lg-highlight-string">"xyz"</span>, <span class="lg-highlight-string">"date"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2014-02-15T12:05:10Z"</span>)<!-- -->, <span class="lg-highlight-string">"price"</span> <!-- -->: <span class="lg-highlight-number">5</span>, <span class="lg-highlight-string">"quantity"</span> <!-- -->: <span class="lg-highlight-number">5</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">7</span>, <span class="lg-highlight-string">"item"</span> <!-- -->: <span class="lg-highlight-string">"xyz"</span>, <span class="lg-highlight-string">"date"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2014-02-15T14:12:12Z"</span>)<!-- -->, <span class="lg-highlight-string">"price"</span> <!-- -->: <span class="lg-highlight-number">5</span>, <span class="lg-highlight-string">"quantity"</span> <!-- -->: <span class="lg-highlight-number">10</span> }</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The following operation first sorts the documents by
<code class="leafygreen-ui-1l06pbn">
item
</code>
and
<code class="leafygreen-ui-1l06pbn">
date
</code>
, and then in the following
<code class="leafygreen-ui-1l06pbn">
$group
</code>
stage, groups the now
sorted documents by the
<code class="leafygreen-ui-1l06pbn">
item
</code>
field and uses the
<code class="leafygreen-ui-1l06pbn">
$last
</code>
accumulator to compute the last sales date for each item:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.sales.aggregate(\n [\n { $sort: { item: 1, date: 1 } },\n {\n $group:\n {\n _id: \"$item\",\n lastSalesDate: { $last: \"$date\" }\n }\n }\n ]\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">sales</span>.<span class="lg-highlight-title lg-highlight-function">aggregate</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">$sort</span>: <!-- -->{ <span class="lg-highlight-attr">item</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">date</span>: <span class="lg-highlight-number">1</span> } }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$group</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-string">"$item"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">lastSalesDate</span>: <!-- -->{ <span class="lg-highlight-attr">$last</span>: <span class="lg-highlight-string">"$date"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The operation returns the following results:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ \"_id\" : \"xyz\", \"lastSalesDate\" : ISODate(\"2014-02-15T14:12:12Z\") }\n{ \"_id\" : \"jkl\", \"lastSalesDate\" : ISODate(\"2014-02-03T09:00:00Z\") }\n{ \"_id\" : \"abc\", \"lastSalesDate\" : ISODate(\"2014-02-15T08:00:00Z\") }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-string">"xyz"</span>, <span class="lg-highlight-string">"lastSalesDate"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2014-02-15T14:12:12Z"</span>) }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-string">"jkl"</span>, <span class="lg-highlight-string">"lastSalesDate"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2014-02-03T09:00:00Z"</span>) }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-string">"abc"</span>, <span class="lg-highlight-string">"lastSalesDate"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2014-02-15T08:00:00Z"</span>) }</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-last-accumulator-window-example">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Use in
<code class="leafygreen-ui-1l06pbn">
$setWindowFields
</code>
Stage
<a class="headerlink leafygreen-ui-1kepx47" href="#use-in--setwindowfields-stage" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="use-in--setwindowfields-stage">
</div>
</a>
</h3>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
Create a
<code class="leafygreen-ui-1l06pbn">
cakeSales
</code>
collection that contains cake sales in the states
of California (
<code class="leafygreen-ui-1l06pbn">
CA
</code>
) and Washington (
<code class="leafygreen-ui-1l06pbn">
WA
</code>
):
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.cakeSales.insertMany( [\n { _id: 0, type: \"chocolate\", orderDate: new Date(\"2020-05-18T14:10:30Z\"),\n state: \"CA\", price: 13, quantity: 120 },\n { _id: 1, type: \"chocolate\", orderDate: new Date(\"2021-03-20T11:30:05Z\"),\n state: \"WA\", price: 14, quantity: 140 },\n { _id: 2, type: \"vanilla\", orderDate: new Date(\"2021-01-11T06:31:15Z\"),\n state: \"CA\", price: 12, quantity: 145 },\n { _id: 3, type: \"vanilla\", orderDate: new Date(\"2020-02-08T13:13:23Z\"),\n state: \"WA\", price: 13, quantity: 104 },\n { _id: 4, type: \"strawberry\", orderDate: new Date(\"2019-05-18T16:09:01Z\"),\n state: \"CA\", price: 41, quantity: 162 },\n { _id: 5, type: \"strawberry\", orderDate: new Date(\"2019-01-08T06:12:03Z\"),\n state: \"WA\", price: 43, quantity: 134 }\n] )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">cakeSales</span>.<span class="lg-highlight-title lg-highlight-function">insertMany</span>( <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">0</span>, <span class="lg-highlight-attr">type</span>: <span class="lg-highlight-string">"chocolate"</span>, <span class="lg-highlight-attr">orderDate</span>: <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Date</span>(<span class="lg-highlight-string">"2020-05-18T14:10:30Z"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">state</span>: <span class="lg-highlight-string">"CA"</span>, <span class="lg-highlight-attr">price</span>: <span class="lg-highlight-number">13</span>, <span class="lg-highlight-attr">quantity</span>: <span class="lg-highlight-number">120</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">type</span>: <span class="lg-highlight-string">"chocolate"</span>, <span class="lg-highlight-attr">orderDate</span>: <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Date</span>(<span class="lg-highlight-string">"2021-03-20T11:30:05Z"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">state</span>: <span class="lg-highlight-string">"WA"</span>, <span class="lg-highlight-attr">price</span>: <span class="lg-highlight-number">14</span>, <span class="lg-highlight-attr">quantity</span>: <span class="lg-highlight-number">140</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">2</span>, <span class="lg-highlight-attr">type</span>: <span class="lg-highlight-string">"vanilla"</span>, <span class="lg-highlight-attr">orderDate</span>: <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Date</span>(<span class="lg-highlight-string">"2021-01-11T06:31:15Z"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">state</span>: <span class="lg-highlight-string">"CA"</span>, <span class="lg-highlight-attr">price</span>: <span class="lg-highlight-number">12</span>, <span class="lg-highlight-attr">quantity</span>: <span class="lg-highlight-number">145</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">3</span>, <span class="lg-highlight-attr">type</span>: <span class="lg-highlight-string">"vanilla"</span>, <span class="lg-highlight-attr">orderDate</span>: <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Date</span>(<span class="lg-highlight-string">"2020-02-08T13:13:23Z"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">state</span>: <span class="lg-highlight-string">"WA"</span>, <span class="lg-highlight-attr">price</span>: <span class="lg-highlight-number">13</span>, <span class="lg-highlight-attr">quantity</span>: <span class="lg-highlight-number">104</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">4</span>, <span class="lg-highlight-attr">type</span>: <span class="lg-highlight-string">"strawberry"</span>, <span class="lg-highlight-attr">orderDate</span>: <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Date</span>(<span class="lg-highlight-string">"2019-05-18T16:09:01Z"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">state</span>: <span class="lg-highlight-string">"CA"</span>, <span class="lg-highlight-attr">price</span>: <span class="lg-highlight-number">41</span>, <span class="lg-highlight-attr">quantity</span>: <span class="lg-highlight-number">162</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">5</span>, <span class="lg-highlight-attr">type</span>: <span class="lg-highlight-string">"strawberry"</span>, <span class="lg-highlight-attr">orderDate</span>: <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Date</span>(<span class="lg-highlight-string">"2019-01-08T06:12:03Z"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">state</span>: <span class="lg-highlight-string">"WA"</span>, <span class="lg-highlight-attr">price</span>: <span class="lg-highlight-number">43</span>, <span class="lg-highlight-attr">quantity</span>: <span class="lg-highlight-number">134</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">] )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
This example uses
<code class="leafygreen-ui-1l06pbn">
$last
</code>
in the
<code class="leafygreen-ui-1l06pbn">
$setWindowFields
</code>
stage to output
the last cake sales order
<code class="leafygreen-ui-1l06pbn">
type
</code>
for each
<code class="leafygreen-ui-1l06pbn">
state
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.cakeSales.aggregate( [\n {\n $setWindowFields: {\n partitionBy: \"$state\",\n sortBy: { orderDate: 1 },\n output: {\n lastOrderTypeForState: {\n $last: \"$type\",\n window: {\n documents: [ \"current\", \"unbounded\" ]\n }\n }\n }\n }\n }\n] )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">cakeSales</span>.<span class="lg-highlight-title lg-highlight-function">aggregate</span>( <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$setWindowFields</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">partitionBy</span>: <span class="lg-highlight-string">"$state"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">sortBy</span>: <!-- -->{ <span class="lg-highlight-attr">orderDate</span>: <span class="lg-highlight-number">1</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">output</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">lastOrderTypeForState</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$last</span>: <span class="lg-highlight-string">"$type"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">window</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">documents</span>: <!-- -->[ <span class="lg-highlight-string">"current"</span>, <span class="lg-highlight-string">"unbounded"</span> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">] )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
In the example:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
partitionBy: "$state"
</code>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/setWindowFields/#std-label-setWindowFields-partitionBy">
partitions
</a>
the documents in the collection by
<code class="leafygreen-ui-1l06pbn">
state
</code>
. There are partitions for
<code class="leafygreen-ui-1l06pbn">
CA
</code>
and
<code class="leafygreen-ui-1l06pbn">
WA
</code>
.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
sortBy: { orderDate: 1 }
</code>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/setWindowFields/#std-label-setWindowFields-sortBy">
sorts
</a>
the documents in each partition by
<code class="leafygreen-ui-1l06pbn">
orderDate
</code>
in ascending order (
<code class="leafygreen-ui-1l06pbn">
1
</code>
), so the earliest
<code class="leafygreen-ui-1l06pbn">
orderDate
</code>
is first.
</p>
</li>
</ul>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
output
</code>
sets the
<code class="leafygreen-ui-1l06pbn">
lastOrderTypeForState
</code>
field to the last
order
<code class="leafygreen-ui-1l06pbn">
type
</code>
from the
<code class="leafygreen-ui-1l06pbn">
documents
</code>
window.
</p>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
window
</code>
contains documents between the
<code class="leafygreen-ui-1l06pbn">
current
</code>
lower limit,
which is the current document in the output, and the
<code class="leafygreen-ui-1l06pbn">
unbounded
</code>
upper limit. This means
<code class="leafygreen-ui-1l06pbn">
$last
</code>
returns the last order
<code class="leafygreen-ui-1l06pbn">
type
</code>
for
the documents between the current document and the end of the
partition.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
In this output, the last order
<code class="leafygreen-ui-1l06pbn">
type
</code>
value for
<code class="leafygreen-ui-1l06pbn">
CA
</code>
and
<code class="leafygreen-ui-1l06pbn">
WA
</code>
is
shown in the
<code class="leafygreen-ui-1l06pbn">
lastOrderTypeForState
</code>
field:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ \"_id\" : 4, \"type\" : \"strawberry\", \"orderDate\" : ISODate(\"2019-05-18T16:09:01Z\"),\n \"state\" : \"CA\", \"price\" : 41, \"quantity\" : 162, \"lastOrderTypeForState\" : \"vanilla\" }\n{ \"_id\" : 0, \"type\" : \"chocolate\", \"orderDate\" : ISODate(\"2020-05-18T14:10:30Z\"),\n \"state\" : \"CA\", \"price\" : 13, \"quantity\" : 120, \"lastOrderTypeForState\" : \"vanilla\" }\n{ \"_id\" : 2, \"type\" : \"vanilla\", \"orderDate\" : ISODate(\"2021-01-11T06:31:15Z\"),\n \"state\" : \"CA\", \"price\" : 12, \"quantity\" : 145, \"lastOrderTypeForState\" : \"vanilla\" }\n{ \"_id\" : 5, \"type\" : \"strawberry\", \"orderDate\" : ISODate(\"2019-01-08T06:12:03Z\"),\n \"state\" : \"WA\", \"price\" : 43, \"quantity\" : 134, \"lastOrderTypeForState\" : \"chocolate\" }\n{ \"_id\" : 3, \"type\" : \"vanilla\", \"orderDate\" : ISODate(\"2020-02-08T13:13:23Z\"),\n \"state\" : \"WA\", \"price\" : 13, \"quantity\" : 104, \"lastOrderTypeForState\" : \"chocolate\" }\n{ \"_id\" : 1, \"type\" : \"chocolate\", \"orderDate\" : ISODate(\"2021-03-20T11:30:05Z\"),\n \"state\" : \"WA\", \"price\" : 14, \"quantity\" : 140, \"lastOrderTypeForState\" : \"chocolate\" }","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-tyg50d">
<pre class="leafygreen-ui-1453az5" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">4</span>, <span class="lg-highlight-string">"type"</span> <!-- -->: <span class="lg-highlight-string">"strawberry"</span>, <span class="lg-highlight-string">"orderDate"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2019-05-18T16:09:01Z"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"state"</span> <!-- -->: <span class="lg-highlight-string">"CA"</span>, <span class="lg-highlight-string">"price"</span> <!-- -->: <span class="lg-highlight-number">41</span>, <span class="lg-highlight-string">"quantity"</span> <!-- -->: <span class="lg-highlight-number">162</span>, <span class="lg-highlight-string">"lastOrderTypeForState"</span> <!-- -->: <span class="lg-highlight-string">"vanilla"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">0</span>, <span class="lg-highlight-string">"type"</span> <!-- -->: <span class="lg-highlight-string">"chocolate"</span>, <span class="lg-highlight-string">"orderDate"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2020-05-18T14:10:30Z"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"state"</span> <!-- -->: <span class="lg-highlight-string">"CA"</span>, <span class="lg-highlight-string">"price"</span> <!-- -->: <span class="lg-highlight-number">13</span>, <span class="lg-highlight-string">"quantity"</span> <!-- -->: <span class="lg-highlight-number">120</span>, <span class="lg-highlight-string">"lastOrderTypeForState"</span> <!-- -->: <span class="lg-highlight-string">"vanilla"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">2</span>, <span class="lg-highlight-string">"type"</span> <!-- -->: <span class="lg-highlight-string">"vanilla"</span>, <span class="lg-highlight-string">"orderDate"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2021-01-11T06:31:15Z"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"state"</span> <!-- -->: <span class="lg-highlight-string">"CA"</span>, <span class="lg-highlight-string">"price"</span> <!-- -->: <span class="lg-highlight-number">12</span>, <span class="lg-highlight-string">"quantity"</span> <!-- -->: <span class="lg-highlight-number">145</span>, <span class="lg-highlight-string">"lastOrderTypeForState"</span> <!-- -->: <span class="lg-highlight-string">"vanilla"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">5</span>, <span class="lg-highlight-string">"type"</span> <!-- -->: <span class="lg-highlight-string">"strawberry"</span>, <span class="lg-highlight-string">"orderDate"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2019-01-08T06:12:03Z"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"state"</span> <!-- -->: <span class="lg-highlight-string">"WA"</span>, <span class="lg-highlight-string">"price"</span> <!-- -->: <span class="lg-highlight-number">43</span>, <span class="lg-highlight-string">"quantity"</span> <!-- -->: <span class="lg-highlight-number">134</span>, <span class="lg-highlight-string">"lastOrderTypeForState"</span> <!-- -->: <span class="lg-highlight-string">"chocolate"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">3</span>, <span class="lg-highlight-string">"type"</span> <!-- -->: <span class="lg-highlight-string">"vanilla"</span>, <span class="lg-highlight-string">"orderDate"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2020-02-08T13:13:23Z"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"state"</span> <!-- -->: <span class="lg-highlight-string">"WA"</span>, <span class="lg-highlight-string">"price"</span> <!-- -->: <span class="lg-highlight-number">13</span>, <span class="lg-highlight-string">"quantity"</span> <!-- -->: <span class="lg-highlight-number">104</span>, <span class="lg-highlight-string">"lastOrderTypeForState"</span> <!-- -->: <span class="lg-highlight-string">"chocolate"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-string">"type"</span> <!-- -->: <span class="lg-highlight-string">"chocolate"</span>, <span class="lg-highlight-string">"orderDate"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2021-03-20T11:30:05Z"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"state"</span> <!-- -->: <span class="lg-highlight-string">"WA"</span>, <span class="lg-highlight-string">"price"</span> <!-- -->: <span class="lg-highlight-number">14</span>, <span class="lg-highlight-string">"quantity"</span> <!-- -->: <span class="lg-highlight-number">140</span>, <span class="lg-highlight-string">"lastOrderTypeForState"</span> <!-- -->: <span class="lg-highlight-string">"chocolate"</span> }</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</section>
</section>
</section>
|
https://www.mongodb.com/docs/manual/tutorial/backup-with-filesystem-snapshots/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Back Up and Restore a Self-Managed Deployment with Filesystem Snapshots
<a class="headerlink leafygreen-ui-1kepx47" href="#back-up-and-restore-a-self-managed-deployment-with-filesystem-snapshots" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="back-up-and-restore-a-self-managed-deployment-with-filesystem-snapshots">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#snapshots-overview" target="_self">
<span>
Snapshots Overview
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#considerations" target="_self">
<span>
Considerations
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#back-up-and-restore-using-lvm-on-linux" target="_self">
<span>
Back Up and Restore Using LVM on Linux
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#back-up-instances-with-journal-files-on-separate-volume-or-without-journaling" target="_self">
<span>
Back up Instances with Journal Files on Separate Volume or without Journaling
</span>
</a>
</li>
</ul>
</div>
<p class="leafygreen-ui-1kp3ins">
This document describes a procedure for creating backups of
MongoDB standalone servers and replica sets using system-level
tools, such as
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-LVM">
LVM
</a>
or storage appliance, as well as the
corresponding restoration strategies. For information on
sharded clusters, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/backup-sharded-cluster-with-filesystem-snapshots/#std-label-backup-sharded-lvm">
Back Up a Self-Managed Sharded Cluster with File System Snapshots
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
These filesystem snapshots, or "block-level" backup methods, use system
level tools to create copies of the device that holds MongoDB's data
files. These methods complete quickly and work reliably, but require
additional system configuration outside of MongoDB.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/backups/">
Backup Methods for a Self-Managed Deployment
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/backup-and-restore-tools/">
Back Up and Restore a Self-Managed Deployment with MongoDB Tools
</a>
</p>
</li>
</ul>
</div>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-snapshots-overview">
</span>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Snapshots Overview
<a class="headerlink leafygreen-ui-1kepx47" href="#snapshots-overview" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="snapshots-overview">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Snapshots work by creating pointers between the live data and a
special snapshot volume. These pointers are theoretically equivalent
to "hard links." As the working data diverges from the snapshot,
the snapshot process uses a copy-on-write strategy. As a result, the snapshot
only stores modified data.
</p>
<p class="leafygreen-ui-1kp3ins">
After making the snapshot, you mount the snapshot image on your
file system and copy data from the snapshot. The resulting backup
contains a full copy of all data.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Considerations
<a class="headerlink leafygreen-ui-1kepx47" href="#considerations" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="considerations">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
WiredTiger Storage Engine
<a class="headerlink leafygreen-ui-1kepx47" href="#wiredtiger-storage-engine" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="wiredtiger-storage-engine">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
MongoDB supports volume-level back up using the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/wiredtiger/#std-label-storage-wiredtiger">
WiredTiger
</a>
storage engine when the MongoDB instance's data files and
journal files reside on separate volumes. However, to create a coherent backup,
the database must be locked and all writes to the database must be suspended
during the backup process.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Encrypted Storage Engine (MongoDB Enterprise Only)
<a class="headerlink leafygreen-ui-1kepx47" href="#encrypted-storage-engine--mongodb-enterprise-only-" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="encrypted-storage-engine--mongodb-enterprise-only-">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
For
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/security-encryption-at-rest/#std-label-encrypted-storage-engine">
encrypted storage engines
</a>
that
use
<code class="leafygreen-ui-1l06pbn">
AES256-GCM
</code>
encryption mode,
<code class="leafygreen-ui-1l06pbn">
AES256-GCM
</code>
requires that every
process use a unique counter block value with the key.
</p>
<p class="leafygreen-ui-1kp3ins">
For
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/security-encryption-at-rest/#std-label-encrypted-storage-engine">
encrypted storage engine
</a>
configured with
<code class="leafygreen-ui-1l06pbn">
AES256-GCM
</code>
cipher:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<dl>
<dt>
Restoring from Hot Backup
</dt>
<dd class="css-1ufxuu7">
Starting in 4.2, if you restore from files taken via "hot"
backup (i.e. the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
is running), MongoDB
can detect "dirty" keys on startup and automatically rollover
the database key to avoid IV (Initialization Vector) reuse.
</dd>
</dl>
</li>
<li class="leafygreen-ui-d7p7b6">
<dl>
<dt>
Restoring from Cold Backup
</dt>
<dd class="css-1ufxuu7">
<p class="leafygreen-ui-1kp3ins">
However, if you restore from files taken via "cold" backup
(i.e. the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
is not running), MongoDB
cannot detect "dirty" keys on startup, and reuse of IV voids
confidentiality and integrity guarantees.
</p>
<p class="leafygreen-ui-1kp3ins">
Starting in 4.2, to avoid the reuse of the keys after
restoring from a cold filesystem snapshot, MongoDB adds a new
command-line option
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--eseDatabaseKeyRollover">
<code class="leafygreen-ui-1l06pbn">
--eseDatabaseKeyRollover
</code>
</a>
. When started with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--eseDatabaseKeyRollover">
<code class="leafygreen-ui-1l06pbn">
--eseDatabaseKeyRollover
</code>
</a>
option, the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance rolls over the database keys configured with
<code class="leafygreen-ui-1l06pbn">
AES256-GCM
</code>
cipher and exits.
</p>
</dd>
</dl>
</li>
</ul>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Valid Database at the Time of Snapshot
<a class="headerlink leafygreen-ui-1kepx47" href="#valid-database-at-the-time-of-snapshot" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="valid-database-at-the-time-of-snapshot">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The database must be valid when the snapshot takes place. This means
that all writes accepted by the database need to be fully written to
disk: either to the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-journal">
journal
</a>
or to data files.
</p>
<p class="leafygreen-ui-1kp3ins">
If there are writes that are not on disk when the backup occurs, the backup
will not reflect these changes.
</p>
<p class="leafygreen-ui-1kp3ins">
For the WiredTiger storage engine, the data
files reflect a consistent state as of the last
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/wiredtiger/#std-label-storage-wiredtiger-checkpoints">
checkpoint
</a>
. Checkpoints occur with every 2 GB of
data or every minute.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Entire Disk Image
<a class="headerlink leafygreen-ui-1kepx47" href="#entire-disk-image" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="entire-disk-image">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Snapshots create an image of an entire disk image. Unless you need to
back up your entire system, consider isolating your MongoDB data files,
journal (if applicable), and configuration on one logical disk that
doesn't contain any other data.
</p>
<p class="leafygreen-ui-1kp3ins">
Alternately, store all MongoDB data files on a dedicated device
so that you can make backups without duplicating extraneous data.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Site Failure Precaution
<a class="headerlink leafygreen-ui-1kepx47" href="#site-failure-precaution" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="site-failure-precaution">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Ensure that you copy data from snapshots onto other systems. This
ensures that data is safe from site failures.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
No Incremental Backups
<a class="headerlink leafygreen-ui-1kepx47" href="#no-incremental-backups" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="no-incremental-backups">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
This tutorial does not include procedures for incremental backups.
Although different snapshot methods provide different features, the
LVM method outlined below does not provide any capacity for capturing
incremental backups.
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-backup-with-journaling">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Snapshots With Journaling
<a class="headerlink leafygreen-ui-1kepx47" href="#snapshots-with-journaling" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="snapshots-with-journaling">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
If your
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance has journaling enabled, then you can
use any kind of file system or volume/block level snapshot tool to
create backups.
</p>
<p class="leafygreen-ui-1kp3ins">
If you manage your own infrastructure on a Linux-based system, configure
your system with
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-LVM">
LVM
</a>
to provide your disk packages and provide
snapshot capability. You can also use LVM-based setups
<em>
within
</em>
a
cloud/virtualized environment.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Running
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-LVM">
LVM
</a>
provides additional flexibility and enables the
possibility of using snapshots to back up MongoDB.
</p>
</div>
</div>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Snapshots with Amazon EBS in a RAID 10 Configuration
<a class="headerlink leafygreen-ui-1kepx47" href="#snapshots-with-amazon-ebs-in-a-raid-10-configuration" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="snapshots-with-amazon-ebs-in-a-raid-10-configuration">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
If your deployment depends on Amazon's Elastic Block Storage (EBS) with
RAID configured within your instance, it is impossible to get a
consistent state across all disks using the platform's snapshot tool. As
an alternative, you can do one of the following:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Flush all writes to disk and create a write lock to ensure
consistent state during the backup process.
</p>
<p class="leafygreen-ui-1kp3ins">
If you choose this option see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-backup-without-journaling" target="_self">
<span>
Back up Instances with Journal Files on Separate Volume or without Journaling
<!-- -->
.
</span>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Configure
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-LVM">
LVM
</a>
to run and hold your MongoDB data files on top of the
RAID within your system.
</p>
<p class="leafygreen-ui-1kp3ins">
If you choose this option, perform the LVM backup operation described
in
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-lvm-backup-operation" target="_self">
<span>
Create a Snapshot
<!-- -->
.
</span>
</a>
</p>
</li>
</ul>
<span class="leafygreen-ui-1qnjd6d" id="std-label-lvm-backup-and-restore">
</span>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Back Up and Restore Using LVM on Linux
<a class="headerlink leafygreen-ui-1kepx47" href="#back-up-and-restore-using-lvm-on-linux" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="back-up-and-restore-using-lvm-on-linux">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
This section provides an overview of a simple backup process
using
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-LVM">
LVM
</a>
on a Linux system. While the tools, commands, and paths may
be (slightly) different on your system the following steps provide a
high level overview of the backup operation.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Only use the following procedure as a guideline for a backup system
and infrastructure. Production backup systems must consider a number
of application specific requirements and factors unique to specific
environments.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For information on sharded clusters, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/backup-sharded-cluster-with-filesystem-snapshots/#std-label-backup-sharded-lvm">
Back Up a Self-Managed Sharded Cluster with File System Snapshots
<!-- -->
.
</a>
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-lvm-backup-operation">
</span>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Create a Snapshot
<a class="headerlink leafygreen-ui-1kepx47" href="#create-a-snapshot" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="create-a-snapshot">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
For the purpose of volume-level backup of MongoDB instances using WiredTiger,
the data files and the journal are no longer required to reside on a single
volume.
</p>
<p class="leafygreen-ui-1kp3ins">
To create a snapshot with
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-LVM">
LVM
</a>
, issue a command as root in the
following format:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"lvcreate --size 100M --snapshot --name mdb-snap01 /dev/vg0/mongodb","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">lvcreate --size 100M --snapshot --name mdb-snap01 <!-- -->/dev/vg<!-- -->0<!-- -->/mongodb</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
This command creates an
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-LVM">
LVM
</a>
snapshot (with the
<code class="leafygreen-ui-1l06pbn">
--snapshot
</code>
option)
named
<code class="leafygreen-ui-1l06pbn">
mdb-snap01
</code>
of the
<code class="leafygreen-ui-1l06pbn">
mongodb
</code>
volume in the
<code class="leafygreen-ui-1l06pbn">
vg0
</code>
volume group.
</p>
<p class="leafygreen-ui-1kp3ins">
This example creates a snapshot named
<code class="leafygreen-ui-1l06pbn">
mdb-snap01
</code>
located at
<code class="leafygreen-ui-1l06pbn">
/dev/vg0/mdb-snap01
</code>
. The location and paths to your systems volume
groups and devices may vary slightly depending on your operating
system's
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-LVM">
LVM
</a>
configuration.
</p>
<p class="leafygreen-ui-1kp3ins">
The snapshot has a cap of at 100 megabytes, because of the parameter
<code class="leafygreen-ui-1l06pbn">
--size 100M
</code>
. This size does not reflect the total amount of the
data on the disk, but rather the quantity of differences between the
current state of
<code class="leafygreen-ui-1l06pbn">
/dev/vg0/mongodb
</code>
and the creation of the snapshot
(i.e.
<code class="leafygreen-ui-1l06pbn">
/dev/vg0/mdb-snap01
</code>
.)
</p>
<div class="leafygreen-ui-1sjx7ru" role="note">
<h2 class="leafygreen-ui-29m78u">
Warning
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Ensure that you create snapshots with enough space to account for
data growth, particularly for the period of time that it takes to copy
data out of the system or to a temporary image.
</p>
<p class="leafygreen-ui-1kp3ins">
If your snapshot runs out of space, the snapshot image
becomes unusable. Discard this logical volume and create another.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The snapshot will exist when the command returns. You can restore
directly from the snapshot at any time or by creating a new logical
volume and restoring from this snapshot to the alternate image.
</p>
<p class="leafygreen-ui-1kp3ins">
While snapshots are great for creating high quality backups
quickly, they are not ideal as a format for storing backup
data. Snapshots typically depend and reside on the same storage
infrastructure as the original disk images. Therefore, it's crucial
that you archive these snapshots and store them elsewhere.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Archive a Snapshot
<a class="headerlink leafygreen-ui-1kepx47" href="#archive-a-snapshot" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="archive-a-snapshot">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
After creating a snapshot, mount the snapshot and copy the data to
separate storage. Your system might try to compress the backup images as
you move them offline. Alternatively, take a block level copy of the
snapshot image, such as with the following procedure:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"umount /dev/vg0/mdb-snap01\ndd if=/dev/vg0/mdb-snap01 | gzip > mdb-snap01.gz","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">umount <!-- -->/dev/vg<!-- -->0<!-- -->/mdb-snap<!-- -->01</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-built_in">dd</span> <span class="lg-highlight-keyword">if</span>=<!-- -->/dev/vg<!-- -->0<!-- -->/mdb-snap<!-- -->01 | gzip > mdb-snap01.gz</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The above command sequence does the following:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Ensures that the
<code class="leafygreen-ui-1l06pbn">
/dev/vg0/mdb-snap01
</code>
device is not mounted. Never
take a block level copy of a filesystem or filesystem snapshot that is
mounted.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Performs a block level copy of the entire snapshot image using the
<code class="leafygreen-ui-1l06pbn">
dd
</code>
command and compresses the result in a gzipped file in the
current working directory.
</p>
<div class="leafygreen-ui-1sjx7ru" role="note">
<h2 class="leafygreen-ui-29m78u">
Warning
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
This command will create a large
<code class="leafygreen-ui-1l06pbn">
gz
</code>
file in your current
working directory. Make sure that you run this command in a file
system that has enough free space.
</p>
</div>
</div>
</li>
</ul>
<span class="leafygreen-ui-1qnjd6d" id="std-label-backup-restore-snapshot">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Restore a Snapshot
<a class="headerlink leafygreen-ui-1kepx47" href="#restore-a-snapshot" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="restore-a-snapshot">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To restore a snapshot created with
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-LVM">
LVM
</a>
, issue the following
sequence of commands:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"lvcreate --size 1G --name mdb-new vg0\ngzip -d -c mdb-snap01.gz | dd of=/dev/vg0/mdb-new\nmount /dev/vg0/mdb-new /srv/mongodb","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">lvcreate --size 1G --name mdb-new vg0</td></tr><tr class=""><td class="leafygreen-ui-7razhx">gzip -d -c mdb-snap01.gz | <span class="lg-highlight-built_in">dd</span> of=<!-- -->/dev/vg<!-- -->0<!-- -->/mdb-new</td></tr><tr class=""><td class="leafygreen-ui-7razhx">mount <!-- -->/dev/vg<!-- -->0<!-- -->/mdb-new<!-- --> <!-- -->/srv/mongodb</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The above sequence does the following:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Creates a new logical volume named
<code class="leafygreen-ui-1l06pbn">
mdb-new
</code>
, in the
<code class="leafygreen-ui-1l06pbn">
/dev/vg0
</code>
volume group. The path to the new device will be
<code class="leafygreen-ui-1l06pbn">
/dev/vg0/mdb-new
</code>
.
</p>
<div class="leafygreen-ui-1sjx7ru" role="note">
<h2 class="leafygreen-ui-29m78u">
Warning
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
This volume will have a maximum size of 1 gigabyte. The original
file system must have had a total size of 1 gigabyte or smaller, or
else the restoration will fail.
</p>
<p class="leafygreen-ui-1kp3ins">
Change
<code class="leafygreen-ui-1l06pbn">
1G
</code>
to your desired volume size.
</p>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Uncompresses and unarchives the
<code class="leafygreen-ui-1l06pbn">
mdb-snap01.gz
</code>
into the
<code class="leafygreen-ui-1l06pbn">
mdb-new
</code>
disk image.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Mounts the
<code class="leafygreen-ui-1l06pbn">
mdb-new
</code>
disk image to the
<code class="leafygreen-ui-1l06pbn">
/srv/mongodb
</code>
directory.
Modify the mount point to correspond to your MongoDB data file
location, or other location as needed.
</p>
</li>
</ul>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
The restored snapshot will have a stale
<code class="leafygreen-ui-1l06pbn">
mongod.lock
</code>
file. If
you do not remove this file from the snapshot, and MongoDB may
assume that the stale lock file indicates an unclean shutdown. If you use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.fsyncLock/#mongodb-method-db.fsyncLock">
<code class="leafygreen-ui-1l06pbn">
db.fsyncLock()
</code>
</a>
you will need to remove the
<code class="leafygreen-ui-1l06pbn">
mongod.lock
</code>
file.
</p>
</div>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-backup-restore-from-snapshot">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Restore Directly from a Snapshot
<a class="headerlink leafygreen-ui-1kepx47" href="#restore-directly-from-a-snapshot" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="restore-directly-from-a-snapshot">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To restore a backup without writing to a compressed
<code class="leafygreen-ui-1l06pbn">
gz
</code>
file, use
the following sequence of commands:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"umount /dev/vg0/mdb-snap01\nlvcreate --size 1G --name mdb-new vg0\ndd if=/dev/vg0/mdb-snap01 of=/dev/vg0/mdb-new\nmount /dev/vg0/mdb-new /srv/mongodb","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">umount <!-- -->/dev/vg<!-- -->0<!-- -->/mdb-snap<!-- -->01</td></tr><tr class=""><td class="leafygreen-ui-7razhx">lvcreate --size 1G --name mdb-new vg0</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-built_in">dd</span> <span class="lg-highlight-keyword">if</span>=<!-- -->/dev/vg<!-- -->0<!-- -->/mdb-snap<!-- -->01 of=<!-- -->/dev/vg<!-- -->0<!-- -->/mdb-new</td></tr><tr class=""><td class="leafygreen-ui-7razhx">mount <!-- -->/dev/vg<!-- -->0<!-- -->/mdb-new<!-- --> <!-- -->/srv/mongodb</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
All MongoDB collections have
<span class="leafygreen-ui-vm4wms" tabindex="0">
UUIDs
</span>
by default. When
MongoDB restores collections, the restored collections retain their
original UUIDs. When restoring a collection where no UUID was
present, MongoDB generates a UUID for the restored collection.
</p>
<p class="leafygreen-ui-1kp3ins">
For more information on collection UUIDs, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/databases-and-collections/#std-label-collections">
Collections
<!-- -->
.
</a>
</p>
</div>
</div>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Remote Backup Storage
<a class="headerlink leafygreen-ui-1kepx47" href="#remote-backup-storage" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="remote-backup-storage">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
You can implement off-system backups using the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-backup-restore-from-snapshot" target="_self">
<span>
combined process
</span>
</a>
and SSH.
</p>
<p class="leafygreen-ui-1kp3ins">
This sequence is identical to procedures explained above, except that it
archives and compresses the backup on a remote system using SSH.
</p>
<p class="leafygreen-ui-1kp3ins">
Consider the following procedure:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"umount /dev/vg0/mdb-snap01\ndd if=/dev/vg0/mdb-snap01 | ssh [email protected] gzip > /opt/backup/mdb-snap01.gz\nlvcreate --size 1G --name mdb-new vg0\nssh [email protected] gzip -d -c /opt/backup/mdb-snap01.gz | dd of=/dev/vg0/mdb-new\nmount /dev/vg0/mdb-new /srv/mongodb","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">umount <!-- -->/dev/vg<!-- -->0<!-- -->/mdb-snap<!-- -->01</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-built_in">dd</span> <span class="lg-highlight-keyword">if</span>=<!-- -->/dev/vg<!-- -->0<!-- -->/mdb-snap<!-- -->01 | ssh [email protected] gzip > <!-- -->/opt/backup/mdb-snap<!-- -->01.gz</td></tr><tr class=""><td class="leafygreen-ui-7razhx">lvcreate --size 1G --name mdb-new vg0</td></tr><tr class=""><td class="leafygreen-ui-7razhx">ssh [email protected] gzip -d -c <!-- -->/opt/backup/mdb-snap<!-- -->01.gz | <span class="lg-highlight-built_in">dd</span> of=<!-- -->/dev/vg<!-- -->0<!-- -->/mdb-new</td></tr><tr class=""><td class="leafygreen-ui-7razhx">mount <!-- -->/dev/vg<!-- -->0<!-- -->/mdb-new<!-- --> <!-- -->/srv/mongodb</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
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</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-backup-without-journaling">
</span>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Back up Instances with Journal Files on Separate Volume or without Journaling
<a class="headerlink leafygreen-ui-1kepx47" href="#back-up-instances-with-journal-files-on-separate-volume-or-without-journaling" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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<div class="css-1btu0w3 evvkmar0" id="back-up-instances-with-journal-files-on-separate-volume-or-without-journaling">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
For the purpose of volume-level backup of MongoDB instances using WiredTiger,
the data files and the journal are no longer required to reside on a single
volume. However, the database must be locked and all writes to the database must
be suspended during the backup process to ensure the consistency of the backup.
</p>
<p class="leafygreen-ui-1kp3ins">
If your
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance is either running without journaling
or has the journal files on a separate volume, you must flush all
writes to disk and lock the database to prevent writes during the
backup process. If you have a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-replica-set">
replica set
</a>
configuration, then
for your backup use a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-secondary">
secondary
</a>
which is not receiving reads
(i.e.
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-hidden-member">
hidden member
</a>
).
</p>
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<div class="css-4nyere eccljxs0">
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Flush writes to disk and lock the database to prevent further writes.
<a class="headerlink leafygreen-ui-1kepx47" href="#flush-writes-to-disk-and-lock-the-database-to-prevent-further-writes" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="flush-writes-to-disk-and-lock-the-database-to-prevent-further-writes">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To flush writes to disk and to "lock" the database, issue the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.fsyncLock/#mongodb-method-db.fsyncLock">
<code class="leafygreen-ui-1l06pbn">
db.fsyncLock()
</code>
</a>
method in
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
:
</span>
</a>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.fsyncLock();\n","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">fsyncLock</span>(<!-- -->)<!-- -->;</td></tr></tbody></table></code></pre>
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2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Perform the backup operation described in
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-lvm-backup-operation" target="_self">
<span>
Create a Snapshot
</span>
</a>
.
<a class="headerlink leafygreen-ui-1kepx47" href="#perform-the-backup-operation-described-in" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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</a>
</h3>
</section>
</div>
</div>
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<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
3
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
After you create the snapshot, unlock the database.
<a class="headerlink leafygreen-ui-1kepx47" href="#after-you-create-the-snapshot-unlock-the-database" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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</svg>
<div class="css-1btu0w3 evvkmar0" id="after-you-create-the-snapshot-unlock-the-database">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To unlock the database after you create the snapshot,
use the following command in
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
:
</span>
</a>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.fsyncUnlock();\n","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">fsyncUnlock</span>(<!-- -->)<!-- -->;</td></tr></tbody></table></code></pre>
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</section>
|
https://www.mongodb.com/docs/manual/reference/operator/aggregation/minN/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
$minN (aggregation accumulator)
<a class="headerlink leafygreen-ui-1kepx47" href="#-minn--aggregation-accumulator-" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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<div class="css-1btu0w3 evvkmar0" id="-minn--aggregation-accumulator-">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
<span>
Definition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#syntax" target="_self">
<span>
Syntax
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#behavior" target="_self">
<span>
Behavior
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#restrictions" target="_self">
<span>
Restrictions
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#examples" target="_self">
<span>
Examples
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Definition
<a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="definition">
</div>
</a>
</h2>
<dl class="group">
<dt>
<code class="leafygreen-ui-1l06pbn">
$minN
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-group-grp.-minN" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-group-grp.-minN">
</div>
</a>
</dt>
<dd>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.2
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
Returns an aggregation of the minimum value
<code class="leafygreen-ui-1l06pbn">
n
</code>
elements within a
group. If the group contains fewer than
<code class="leafygreen-ui-1l06pbn">
n
</code>
elements,
<code class="leafygreen-ui-1l06pbn">
$minN
</code>
returns all elements in the group.
</p>
</dd>
</dl>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Syntax
<a class="headerlink leafygreen-ui-1kepx47" href="#syntax" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="syntax">
</div>
</a>
</h2>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n $minN:\n {\n input: <expression>,\n n: <expression>\n }\n}"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> $minN:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> input: <expression>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> n: <expression></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
input
</code>
specifies an expression that is the input to
<code class="leafygreen-ui-1l06pbn">
$minN
</code>
. It
is evaluated for each element in the group and
<code class="leafygreen-ui-1l06pbn">
$minN
</code>
preserves the
minimum
<code class="leafygreen-ui-1l06pbn">
n
</code>
values.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
n
</code>
limits the number of results per group and
<code class="leafygreen-ui-1l06pbn">
n
</code>
has to be a
positive integral expression that is either a constant or depends on
the
<code class="leafygreen-ui-1l06pbn">
_id
</code>
value for
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/group/#mongodb-pipeline-pipe.-group">
<code class="leafygreen-ui-1l06pbn">
$group
</code>
.
</a>
</p>
</li>
</ul>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Behavior
<a class="headerlink leafygreen-ui-1kepx47" href="#behavior" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="behavior">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Result Type
<a class="headerlink leafygreen-ui-1kepx47" href="#result-type" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="result-type">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
$minN
</code>
compares input data following the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/bson-type-comparison-order/#std-label-bson-types-comparison-order">
BSON Comparison order
</a>
to
determine the appropriate output type. When the input data contains
multiple data types, the
<code class="leafygreen-ui-1l06pbn">
$minN
</code>
output type is the
<!-- -->
lowest
<!-- -->
in the comparison order.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Null and Missing Values
<a class="headerlink leafygreen-ui-1kepx47" href="#null-and-missing-values" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="null-and-missing-values">
</div>
</a>
</h3>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
$minN
</code>
filters out null and missing values.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
Consider the following aggregation that returns the minimum
<code class="leafygreen-ui-1l06pbn">
n
</code>
documents from a group:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.aggregate( [\n {\n $documents: [\n { playerId: \"PlayerA\", gameId: \"G1\", score: 1 },\n { playerId: \"PlayerB\", gameId: \"G1\", score: 2 },\n { playerId: \"PlayerC\", gameId: \"G1\", score: 3 },\n { playerId: \"PlayerD\", gameId: \"G1\" },\n { playerId: \"PlayerE\", gameId: \"G1\", score: null }\n ]\n },\n {\n $group:\n {\n _id: \"$gameId\",\n minimumThreeScores:\n {\n $minN:\n {\n input: \"$score\",\n n: 4\n }\n }\n }\n }\n] )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">aggregate</span>( <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$documents</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">playerId</span>: <span class="lg-highlight-string">"PlayerA"</span>, <span class="lg-highlight-attr">gameId</span>: <span class="lg-highlight-string">"G1"</span>, <span class="lg-highlight-attr">score</span>: <span class="lg-highlight-number">1</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">playerId</span>: <span class="lg-highlight-string">"PlayerB"</span>, <span class="lg-highlight-attr">gameId</span>: <span class="lg-highlight-string">"G1"</span>, <span class="lg-highlight-attr">score</span>: <span class="lg-highlight-number">2</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">playerId</span>: <span class="lg-highlight-string">"PlayerC"</span>, <span class="lg-highlight-attr">gameId</span>: <span class="lg-highlight-string">"G1"</span>, <span class="lg-highlight-attr">score</span>: <span class="lg-highlight-number">3</span> }<!-- -->,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">playerId</span>: <span class="lg-highlight-string">"PlayerD"</span>, <span class="lg-highlight-attr">gameId</span>: <span class="lg-highlight-string">"G1"</span> }<!-- -->,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">playerId</span>: <span class="lg-highlight-string">"PlayerE"</span>, <span class="lg-highlight-attr">gameId</span>: <span class="lg-highlight-string">"G1"</span>, <span class="lg-highlight-attr">score</span>: <span class="lg-highlight-literal">null</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$group</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-string">"$gameId"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">minimumThreeScores</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$minN</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">input</span>: <span class="lg-highlight-string">"$score"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">n</span>: <span class="lg-highlight-number">4</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">] )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
In this example:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/documents/#mongodb-pipeline-pipe.-documents">
<code class="leafygreen-ui-1l06pbn">
$documents
</code>
</a>
creates the literal documents that contain
player scores.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/group/#mongodb-pipeline-pipe.-group">
<code class="leafygreen-ui-1l06pbn">
$group
</code>
</a>
groups the documents by
<code class="leafygreen-ui-1l06pbn">
gameId
</code>
. This
example has only one
<code class="leafygreen-ui-1l06pbn">
gameId
</code>
,
<code class="leafygreen-ui-1l06pbn">
G1
</code>
.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
PlayerD
</code>
has a missing score and
<code class="leafygreen-ui-1l06pbn">
PlayerE
</code>
has a
null
<code class="leafygreen-ui-1l06pbn">
score
</code>
. These values are both ignored.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
minimumThreeScores
</code>
field is specified as
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-group-grp.-minN" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$minN
</code>
</span>
</a>
with
<code class="leafygreen-ui-1l06pbn">
input : "$score"
</code>
and returned as an array.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Since there are only 3 documents with
<code class="leafygreen-ui-1l06pbn">
scores
</code>
<code class="leafygreen-ui-1l06pbn">
minN
</code>
returns
the minimum 3
<code class="leafygreen-ui-1l06pbn">
score
</code>
fields even though
<code class="leafygreen-ui-1l06pbn">
n = 4
</code>
.
</p>
</li>
</ul>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"[\n {\n _id: 'G1',\n minimumThreeScores: [ 1, 2, 3 ]\n }\n]","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-string">'G1'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">minimumThreeScores</span>: <!-- -->[ <span class="lg-highlight-number">1</span>, <span class="lg-highlight-number">2</span>, <span class="lg-highlight-number">3</span> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">]</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Comparison of
<code class="leafygreen-ui-1l06pbn">
$minN
</code>
and
<code class="leafygreen-ui-1l06pbn">
$bottomN
</code>
Accumulators
<a class="headerlink leafygreen-ui-1kepx47" href="#comparison-of--minn-and--bottomn-accumulators" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="comparison-of--minn-and--bottomn-accumulators">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Both
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-group-grp.-minN" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$minN
</code>
</span>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/bottomN/#mongodb-group-grp.-bottomN">
<code class="leafygreen-ui-1l06pbn">
$bottomN
</code>
</a>
accumulators can accomplish
similar results.
</p>
<p class="leafygreen-ui-1kp3ins">
In general:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-group-grp.-minN" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$minN
</code>
</span>
</a>
has the advantage of finding minimum values
in no particular sort order. If you want to know the
minimum values for
<code class="leafygreen-ui-1l06pbn">
n
</code>
documents use
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-group-grp.-minN" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$minN
</code>
.
</span>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If guaranteing a particular sort order is a requirement
use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/bottomN/#mongodb-group-grp.-bottomN">
<code class="leafygreen-ui-1l06pbn">
$bottomN
</code>
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/bottomN/#mongodb-group-grp.-bottomN">
<code class="leafygreen-ui-1l06pbn">
$bottomN
</code>
</a>
if you don't intend on sorting on the output
values.
</p>
</li>
</ul>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Restrictions
<a class="headerlink leafygreen-ui-1kepx47" href="#restrictions" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="restrictions">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Window Function and Aggregation Expression Support
<a class="headerlink leafygreen-ui-1kepx47" href="#window-function-and-aggregation-expression-support" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="window-function-and-aggregation-expression-support">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
You can use
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-group-grp.-minN" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$minN
</code>
</span>
</a>
as an accumulator.
</p>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-group-grp.-minN" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$minN
</code>
</span>
</a>
is supported as an
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/#std-label-aggregation-expressions">
aggregation expression
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-group-grp.-minN" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$minN
</code>
</span>
</a>
is supported as a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/setWindowFields/#mongodb-pipeline-pipe.-setWindowFields">
<code class="leafygreen-ui-1l06pbn">
window operator
</code>
.
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Memory Limit Considerations
<a class="headerlink leafygreen-ui-1kepx47" href="#memory-limit-considerations" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="memory-limit-considerations">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Aggregation pipelines which call
<code class="leafygreen-ui-1l06pbn">
$minN
</code>
are subject to the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/aggregation-pipeline-limits/#std-label-agg-memory-restrictions">
100 MB limit
</a>
. If this
limit is exceeded for an individual group, the aggregation fails
with an error.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Examples
<a class="headerlink leafygreen-ui-1kepx47" href="#examples" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="examples">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Consider a
<code class="leafygreen-ui-1l06pbn">
gamescores
</code>
collection with the following documents:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.gamescores.insertMany([\n { playerId: \"PlayerA\", gameId: \"G1\", score: 31 },\n { playerId: \"PlayerB\", gameId: \"G1\", score: 33 },\n { playerId: \"PlayerC\", gameId: \"G1\", score: 99 },\n { playerId: \"PlayerD\", gameId: \"G1\", score: 1 },\n { playerId: \"PlayerA\", gameId: \"G2\", score: 10 },\n { playerId: \"PlayerB\", gameId: \"G2\", score: 14 },\n { playerId: \"PlayerC\", gameId: \"G2\", score: 66 },\n { playerId: \"PlayerD\", gameId: \"G2\", score: 80 }\n])","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">gamescores</span>.<span class="lg-highlight-title lg-highlight-function">insertMany</span>(<!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">playerId</span>: <span class="lg-highlight-string">"PlayerA"</span>, <span class="lg-highlight-attr">gameId</span>: <span class="lg-highlight-string">"G1"</span>, <span class="lg-highlight-attr">score</span>: <span class="lg-highlight-number">31</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">playerId</span>: <span class="lg-highlight-string">"PlayerB"</span>, <span class="lg-highlight-attr">gameId</span>: <span class="lg-highlight-string">"G1"</span>, <span class="lg-highlight-attr">score</span>: <span class="lg-highlight-number">33</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">playerId</span>: <span class="lg-highlight-string">"PlayerC"</span>, <span class="lg-highlight-attr">gameId</span>: <span class="lg-highlight-string">"G1"</span>, <span class="lg-highlight-attr">score</span>: <span class="lg-highlight-number">99</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">playerId</span>: <span class="lg-highlight-string">"PlayerD"</span>, <span class="lg-highlight-attr">gameId</span>: <span class="lg-highlight-string">"G1"</span>, <span class="lg-highlight-attr">score</span>: <span class="lg-highlight-number">1</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">playerId</span>: <span class="lg-highlight-string">"PlayerA"</span>, <span class="lg-highlight-attr">gameId</span>: <span class="lg-highlight-string">"G2"</span>, <span class="lg-highlight-attr">score</span>: <span class="lg-highlight-number">10</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">playerId</span>: <span class="lg-highlight-string">"PlayerB"</span>, <span class="lg-highlight-attr">gameId</span>: <span class="lg-highlight-string">"G2"</span>, <span class="lg-highlight-attr">score</span>: <span class="lg-highlight-number">14</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">playerId</span>: <span class="lg-highlight-string">"PlayerC"</span>, <span class="lg-highlight-attr">gameId</span>: <span class="lg-highlight-string">"G2"</span>, <span class="lg-highlight-attr">score</span>: <span class="lg-highlight-number">66</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">playerId</span>: <span class="lg-highlight-string">"PlayerD"</span>, <span class="lg-highlight-attr">gameId</span>: <span class="lg-highlight-string">"G2"</span>, <span class="lg-highlight-attr">score</span>: <span class="lg-highlight-number">80</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">])</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Find the Minimum Three
<code class="leafygreen-ui-1l06pbn">
Scores
</code>
for a Single Game
<a class="headerlink leafygreen-ui-1kepx47" href="#find-the-minimum-three-scores-for-a-single-game" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="find-the-minimum-three-scores-for-a-single-game">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
You can use the
<code class="leafygreen-ui-1l06pbn">
$minN
</code>
accumulator to find the minimum three scores
in a single game.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.gamescores.aggregate( [\n {\n $match : { gameId : \"G1\" }\n },\n {\n $group:\n {\n _id: \"$gameId\",\n minScores:\n {\n $minN:\n {\n input: [\"$score\",\"$playerId\"],\n n:3\n }\n }\n }\n }\n] )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">gamescores</span>.<span class="lg-highlight-title lg-highlight-function">aggregate</span>( <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->$match<!-- --> <!-- -->: <!-- -->{ <!-- -->gameId <!-- -->: <span class="lg-highlight-string">"G1"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$group</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-string">"$gameId"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">minScores</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$minN</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">input</span>: <!-- -->[<span class="lg-highlight-string">"$score"</span>,<span class="lg-highlight-string">"$playerId"</span>]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">n</span>:<span class="lg-highlight-number">3</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">] )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The example pipeline:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Uses
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/match/#mongodb-pipeline-pipe.-match">
<code class="leafygreen-ui-1l06pbn">
$match
</code>
</a>
to filter the results on a single
<code class="leafygreen-ui-1l06pbn">
gameId
</code>
.
In this case,
<code class="leafygreen-ui-1l06pbn">
G1
</code>
.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Uses
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/group/#mongodb-pipeline-pipe.-group">
<code class="leafygreen-ui-1l06pbn">
$group
</code>
</a>
to group the results by
<code class="leafygreen-ui-1l06pbn">
gameId
</code>
. In this
case,
<code class="leafygreen-ui-1l06pbn">
G1
</code>
.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Specifies the fields that are input for
<code class="leafygreen-ui-1l06pbn">
$minN
</code>
with
<code class="leafygreen-ui-1l06pbn">
input : ["$score","$playerId"]
</code>
.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Uses
<code class="leafygreen-ui-1l06pbn">
$minN
</code>
to return the first three score elements
for the
<code class="leafygreen-ui-1l06pbn">
G1
</code>
game with
<code class="leafygreen-ui-1l06pbn">
n : 3
</code>
.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
The operation returns the following results:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"[\n {\n _id: 'G1',\n minScores: [ [ 1, 'PlayerD' ], [ 31, 'PlayerA' ], [ 33, 'PlayerB' ] ]\n }\n]","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-tyg50d">
<pre class="leafygreen-ui-1453az5" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-string">'G1'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">minScores</span>: <!-- -->[ <!-- -->[ <span class="lg-highlight-number">1</span>, <span class="lg-highlight-string">'PlayerD'</span> ]<!-- -->, <!-- -->[ <span class="lg-highlight-number">31</span>, <span class="lg-highlight-string">'PlayerA'</span> ]<!-- -->, <!-- -->[ <span class="lg-highlight-number">33</span>, <span class="lg-highlight-string">'PlayerB'</span> ] ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">]</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Finding the Minimum Three Documents Across Multiple Games
<a class="headerlink leafygreen-ui-1kepx47" href="#finding-the-minimum-three-documents-across-multiple-games" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="finding-the-minimum-three-documents-across-multiple-games">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
You can use the
<code class="leafygreen-ui-1l06pbn">
$minN
</code>
accumulator to find the minimum
<code class="leafygreen-ui-1l06pbn">
n
</code>
scores in each game.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.gamescores.aggregate( [\n {\n $group:\n {\n _id: \"$gameId\",\n minScores:\n {\n $minN:\n {\n input: [\"$score\",\"$playerId\"],\n n: 3\n }\n }\n }\n }\n] )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">gamescores</span>.<span class="lg-highlight-title lg-highlight-function">aggregate</span>( <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$group</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-string">"$gameId"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">minScores</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$minN</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">input</span>: <!-- -->[<span class="lg-highlight-string">"$score"</span>,<span class="lg-highlight-string">"$playerId"</span>]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">n</span>: <span class="lg-highlight-number">3</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">] )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The example pipeline:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Uses
<code class="leafygreen-ui-1l06pbn">
$group
</code>
to group the results by
<code class="leafygreen-ui-1l06pbn">
gameId
</code>
.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Uses
<code class="leafygreen-ui-1l06pbn">
$minN
</code>
to return the minimum three score elements
for each game with
<code class="leafygreen-ui-1l06pbn">
n: 3
</code>
.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Specifies the fields that are input for
<code class="leafygreen-ui-1l06pbn">
$minN
</code>
with
<code class="leafygreen-ui-1l06pbn">
input: ["$score","$playerId"]
</code>
.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
The operation returns the following results:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"[\n {\n _id: 'G2',\n minScores: [ [ 10, 'PlayerA' ], [ 14, 'PlayerB' ], [ 66, 'PlayerC' ] ]\n },\n {\n _id: 'G1',\n minScores: [ [ 1, 'PlayerD' ], [ 31, 'PlayerA' ], [ 33, 'PlayerB' ] ]\n }\n]","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-tyg50d">
<pre class="leafygreen-ui-1453az5" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-string">'G2'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">minScores</span>: <!-- -->[ <!-- -->[ <span class="lg-highlight-number">10</span>, <span class="lg-highlight-string">'PlayerA'</span> ]<!-- -->, <!-- -->[ <span class="lg-highlight-number">14</span>, <span class="lg-highlight-string">'PlayerB'</span> ]<!-- -->, <!-- -->[ <span class="lg-highlight-number">66</span>, <span class="lg-highlight-string">'PlayerC'</span> ] ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-string">'G1'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">minScores</span>: <!-- -->[ <!-- -->[ <span class="lg-highlight-number">1</span>, <span class="lg-highlight-string">'PlayerD'</span> ]<!-- -->, <!-- -->[ <span class="lg-highlight-number">31</span>, <span class="lg-highlight-string">'PlayerA'</span> ]<!-- -->, <!-- -->[ <span class="lg-highlight-number">33</span>, <span class="lg-highlight-string">'PlayerB'</span> ] ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">]</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Computing
<code class="leafygreen-ui-1l06pbn">
n
</code>
Based on the Group Key for
<code class="leafygreen-ui-1l06pbn">
$group
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#computing-n-based-on-the-group-key-for--group" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="computing-n-based-on-the-group-key-for--group">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
You can also assign the value of
<code class="leafygreen-ui-1l06pbn">
n
</code>
dynamically. In this example,
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/cond/#mongodb-expression-exp.-cond">
<code class="leafygreen-ui-1l06pbn">
$cond
</code>
</a>
expression is used on the
<code class="leafygreen-ui-1l06pbn">
gameId
</code>
field.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.gamescores.aggregate([\n {\n $group:\n {\n _id: {\"gameId\": \"$gameId\"},\n gamescores:\n {\n $minN:\n {\n input: [\"$score\",\"$playerId\"],\n n: { $cond: { if: {$eq: [\"$gameId\",\"G2\"] }, then: 1, else: 3 } }\n }\n }\n }\n }\n] )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">gamescores</span>.<span class="lg-highlight-title lg-highlight-function">aggregate</span>(<!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$group</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <!-- -->{<span class="lg-highlight-string">"gameId"</span>: <span class="lg-highlight-string">"$gameId"</span>}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">gamescores</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$minN</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">input</span>: <!-- -->[<span class="lg-highlight-string">"$score"</span>,<span class="lg-highlight-string">"$playerId"</span>]<!-- -->,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">n</span>: <!-- -->{ <span class="lg-highlight-attr">$cond</span>: <!-- -->{ <span class="lg-highlight-attr">if</span>: <!-- -->{<span class="lg-highlight-attr">$eq</span>: <!-- -->[<span class="lg-highlight-string">"$gameId"</span>,<span class="lg-highlight-string">"G2"</span>] }<!-- -->, <span class="lg-highlight-attr">then</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">else</span>: <span class="lg-highlight-number">3</span> } }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">] )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The example pipeline:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Uses
<code class="leafygreen-ui-1l06pbn">
$group
</code>
to group the results by
<code class="leafygreen-ui-1l06pbn">
gameId
</code>
.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Specifies the fields that input for
<code class="leafygreen-ui-1l06pbn">
$minN
</code>
with
<code class="leafygreen-ui-1l06pbn">
input : ["$score","$playerId"]
</code>
.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If the
<code class="leafygreen-ui-1l06pbn">
gameId
</code>
is
<code class="leafygreen-ui-1l06pbn">
G2
</code>
then
<code class="leafygreen-ui-1l06pbn">
n
</code>
is 1, otherwise
<code class="leafygreen-ui-1l06pbn">
n
</code>
is 3.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
The operation returns the following results:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"[\n { _id: { gameId: 'G2' }, gamescores: [ [ 10, 'PlayerA' ] ] },\n {\n _id: { gameId: 'G1' },\n gamescores: [ [ 1, 'PlayerD' ], [ 31, 'PlayerA' ], [ 33, 'PlayerB' ] ]\n }\n]","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-tyg50d">
<pre class="leafygreen-ui-1453az5" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">_id</span>: <!-- -->{ <span class="lg-highlight-attr">gameId</span>: <span class="lg-highlight-string">'G2'</span> }<!-- -->, <span class="lg-highlight-attr">gamescores</span>: <!-- -->[ <!-- -->[ <span class="lg-highlight-number">10</span>, <span class="lg-highlight-string">'PlayerA'</span> ] ] }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <!-- -->{ <span class="lg-highlight-attr">gameId</span>: <span class="lg-highlight-string">'G1'</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">gamescores</span>: <!-- -->[ <!-- -->[ <span class="lg-highlight-number">1</span>, <span class="lg-highlight-string">'PlayerD'</span> ]<!-- -->, <!-- -->[ <span class="lg-highlight-number">31</span>, <span class="lg-highlight-string">'PlayerA'</span> ]<!-- -->, <!-- -->[ <span class="lg-highlight-number">33</span>, <span class="lg-highlight-string">'PlayerB'</span> ] ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">]</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</section>
</section>
</section>
|
https://www.mongodb.com/docs/manual/release-notes/8.0-upgrade-sharded-cluster/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Upgrade a Sharded Cluster to 8.0
<a class="headerlink leafygreen-ui-1kepx47" href="#upgrade-a-sharded-cluster-to-8.0" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="upgrade-a-sharded-cluster-to-8.0">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#upgrade-recommendations-and-checklists" target="_self">
<span>
Upgrade Recommendations and Checklists
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#prerequisites" target="_self">
<span>
Prerequisites
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#download-newversion-binaries" target="_self">
<span>
Download
<!-- -->
8.0
<!-- -->
Binaries
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#upgrade-procedure" target="_self">
<span>
Upgrade Procedure
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#additional-upgrade-procedures" target="_self">
<span>
Additional Upgrade Procedures
</span>
</a>
</li>
</ul>
</div>
<p class="leafygreen-ui-1kp3ins">
Familiarize yourself with the content of this document, including
thoroughly reviewing the prerequisites, prior to upgrading to MongoDB
8.0.
</p>
<p class="leafygreen-ui-1kp3ins">
The following steps outline the procedure to upgrade a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
that is a shard member from version
<!-- -->
7.0
<!-- -->
to
<!-- -->
8.0
<!-- -->
.
</p>
<p class="leafygreen-ui-1kp3ins">
If you need guidance on upgrading to
<!-- -->
8.0
<!-- -->
,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/products/consulting?tck=docs_server" target="_self">
<span>
MongoDB
professional services
</span>
</a>
offer major version upgrade support to help ensure a smooth transition
without interruption to your MongoDB application.
</p>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Upgrade Recommendations and Checklists
<a class="headerlink leafygreen-ui-1kepx47" href="#upgrade-recommendations-and-checklists" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="upgrade-recommendations-and-checklists">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
When upgrading, consider the following:
</p>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Upgrade Version Path
<a class="headerlink leafygreen-ui-1kepx47" href="#upgrade-version-path" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="upgrade-version-path">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To upgrade an existing MongoDB deployment to
<!-- -->
8.0
<!-- -->
, you must be
running a
<!-- -->
7.0-series
<!-- -->
release.
</p>
<p class="leafygreen-ui-1kp3ins">
To upgrade from a version earlier than the
<!-- -->
7.0-series
<!-- -->
, you must
successively upgrade major releases until you have upgraded to
<!-- -->
7.0-series
<!-- -->
. For example, if you are running a
<!-- -->
6.0-series
<!-- -->
, you must
<a class="leafygreen-ui-tqgtui" href="/docs/manual/release-notes/7.0/#std-label-7.0-upgrade">
upgrade first to 7.0
</a>
<em>
before
</em>
you can upgrade to
<!-- -->
8.0
<!-- -->
.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Check Driver Compatibility
<a class="headerlink leafygreen-ui-1kepx47" href="#check-driver-compatibility" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="check-driver-compatibility">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Before you upgrade MongoDB, check that you're using a MongoDB
<!-- -->
8.0
<!-- -->
-compatible driver. Consult the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/drivers/" target="_self">
<span>
driver documentation
</span>
</a>
for your specific driver to verify
compatibility with MongoDB
<!-- -->
8.0
<!-- -->
.
</p>
<p class="leafygreen-ui-1kp3ins">
Upgraded deployments that run on incompatible drivers might encounter
unexpected or undefined behavior.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Preparedness
<a class="headerlink leafygreen-ui-1kepx47" href="#preparedness" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="preparedness">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Before beginning your upgrade, see the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/release-notes/8.0-compatibility/#std-label-8.0-compatibility">
Compatibility Changes in MongoDB 8.0
</a>
document to
ensure that your applications and deployments are compatible with
MongoDB
<!-- -->
8.0
<!-- -->
. Resolve the incompatibilities in your deployment
before starting the upgrade.
</p>
<p class="leafygreen-ui-1kp3ins">
Before upgrading MongoDB, always test your application in a staging
environment before deploying the upgrade to your production
environment.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Downgrade Consideration
<a class="headerlink leafygreen-ui-1kepx47" href="#downgrade-consideration" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="downgrade-consideration">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
You cannot downgrade your deployment's binary version without assistance from
support.
</p>
<p class="leafygreen-ui-1kp3ins">
To learn more, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/release-notes/8.0-downgrade/#std-label-8.0-downgrade">
Downgrade
<!-- -->
8.0
<!-- -->
to
<!-- -->
7.0
<!-- -->
.
</a>
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Prerequisites
<a class="headerlink leafygreen-ui-1kepx47" href="#prerequisites" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="prerequisites">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
All Members Version
<a class="headerlink leafygreen-ui-1kepx47" href="#all-members-version" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="all-members-version">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To upgrade a sharded cluster to
<!-- -->
8.0
<!-- -->
,
<strong>
all
</strong>
members of the
cluster must be at least version
<!-- -->
7.0
<!-- -->
. The upgrade process
checks all components of the cluster and will produce warnings if any
component is running version earlier than
<!-- -->
7.0
<!-- -->
.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Feature Compatibility Version
<a class="headerlink leafygreen-ui-1kepx47" href="#feature-compatibility-version" title="Permalink to this heading">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="feature-compatibility-version">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The
<!-- -->
7.0
<!-- -->
sharded cluster must have
<code class="leafygreen-ui-1l06pbn">
featureCompatibilityVersion
</code>
set to
<code class="leafygreen-ui-1l06pbn">
"7.0"
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
To ensure that all members of the sharded cluster have
<code class="leafygreen-ui-1l06pbn">
featureCompatibilityVersion
</code>
set to
<code class="leafygreen-ui-1l06pbn">
"7.0"
</code>
, connect to each
shard replica set member and each config server replica set member
and check the
<code class="leafygreen-ui-1l06pbn">
featureCompatibilityVersion
</code>
:
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
For a sharded cluster that has access control enabled, to run the
following command against a shard replica set member, you must
connect to the member as a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/security-users/#std-label-shard-local-users">
shard local user
<!-- -->
.
</a>
</p>
</div>
</div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.adminCommand( { getParameter: 1, featureCompatibilityVersion: 1 } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">adminCommand</span>( <!-- -->{ <span class="lg-highlight-attr">getParameter</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">featureCompatibilityVersion</span>: <span class="lg-highlight-number">1</span> } )</td></tr></tbody></table></code></pre>
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</div>
<p class="leafygreen-ui-1kp3ins">
All members should return a result that includes
<code class="leafygreen-ui-1l06pbn">
"featureCompatibilityVersion" : { "version" : "7.0" }
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
To set or update
<code class="leafygreen-ui-1l06pbn">
featureCompatibilityVersion
</code>
, run the
following command on the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
:
</a>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.adminCommand( { setFeatureCompatibilityVersion: \"7.0\" } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">adminCommand</span>( <!-- -->{ <span class="lg-highlight-attr">setFeatureCompatibilityVersion</span>: <span class="lg-highlight-string">"7.0"</span> } )</td></tr></tbody></table></code></pre>
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</div>
<p class="leafygreen-ui-1kp3ins">
For more information, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/setFeatureCompatibilityVersion/#mongodb-dbcommand-dbcmd.setFeatureCompatibilityVersion">
<code class="leafygreen-ui-1l06pbn">
setFeatureCompatibilityVersion
</code>
.
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Replica Set Member State
<a class="headerlink leafygreen-ui-1kepx47" href="#replica-set-member-state" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="replica-set-member-state">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
For shards and config servers, ensure that no replica set member is in
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-states/#mongodb-replstate-replstate.ROLLBACK">
<code class="leafygreen-ui-1l06pbn">
ROLLBACK
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-states/#mongodb-replstate-replstate.RECOVERING">
<code class="leafygreen-ui-1l06pbn">
RECOVERING
</code>
</a>
state.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.adminCommand( { replSetGetStatus: 1 } )","programmingLanguage":"JavaScript"}
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<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">adminCommand</span>( <!-- -->{ <span class="lg-highlight-attr">replSetGetStatus</span>: <span class="lg-highlight-number">1</span> } )</td></tr></tbody></table></code></pre>
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</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Back up the
<code class="leafygreen-ui-1l06pbn">
config
</code>
Database
<a class="headerlink leafygreen-ui-1kepx47" href="#back-up-the-config-database" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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</svg>
<div class="css-1btu0w3 evvkmar0" id="back-up-the-config-database">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
<em>
Optional but Recommended.
</em>
As a precaution, take a backup of the
<code class="leafygreen-ui-1l06pbn">
config
</code>
database
<em>
before
</em>
upgrading the sharded cluster.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Download
<!-- -->
8.0
<!-- -->
Binaries
<a class="headerlink leafygreen-ui-1kepx47" href="#download-newversion-binaries" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="download-newversion-binaries">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Use Package Manager
<a class="headerlink leafygreen-ui-1kepx47" href="#use-package-manager" title="Permalink to this heading">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="use-package-manager">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
If you installed MongoDB from the MongoDB
<code class="leafygreen-ui-1l06pbn">
apt
</code>
,
<code class="leafygreen-ui-1l06pbn">
yum
</code>
,
<code class="leafygreen-ui-1l06pbn">
dnf
</code>
, or
<code class="leafygreen-ui-1l06pbn">
zypper
</code>
repositories, you should upgrade to
<!-- -->
8.0
<!-- -->
using your package
manager.
</p>
<p class="leafygreen-ui-1kp3ins">
Follow the appropriate
<a class="leafygreen-ui-tqgtui" href="/docs/manual/installation/#std-label-tutorial-installation">
8.0 installation instructions
</a>
for your Linux system. This
will involve adding a repository for the new release, then performing
the actual upgrade process.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Download
<!-- -->
8.0
<!-- -->
Binaries Manually
<a class="headerlink leafygreen-ui-1kepx47" href="#download-newversion-binaries-manually" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="download-newversion-binaries-manually">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
If you have not installed MongoDB using a package manager, you can
manually download the MongoDB binaries from the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/try/download?tck=docs_server" target="_self">
<span>
MongoDB Download
Center
</span>
</a>
.
</p>
<p class="leafygreen-ui-1kp3ins">
See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/installation/#std-label-tutorial-installation">
8.0 installation instructions
</a>
for more information.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Upgrade Procedure
<a class="headerlink leafygreen-ui-1kepx47" href="#upgrade-procedure" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="upgrade-procedure">
</div>
</a>
</h2>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"Connect mongosh to a mongos instance\nin the sharded cluster, and run sh.stopBalancer() to\ndisable the balancer:If a migration is in progress, the system will complete the\nin-progress migration before stopping the balancer. You can run\nsh.isBalancerRunning() to check the balancer's current\nstate.To verify that the balancer is disabled, run\nsh.getBalancerState(), which returns false if the\nbalancer is disabled:For more information on disabling the balancer, see\nDisable the Balancer.","name":"Disable the Balancer."},{"@type":"HowToStep","text":"Upgrade the secondary members of the replica set, one at a time.Shut down the secondary instance.To shut down the mongod process, use\nmongosh to connect to the cluster member and\nrun the following command:Replace the 7.0 binary with the 8.0 binary.Start the 8.0 binary.Start the 8.0 binary with the --configsvr,\n--replSet, and --port.\nInclude any other options as used by the deployment.If using a configuration file, update the file to\nspecify sharding.clusterRole: configsvr, replication.replSetName,\nnet.port, and net.bindIp,\nthen start the 8.0 binary:Include any other settings as appropriate for your deployment.Wait for the member to recover to the SECONDARY state before upgrading the next secondary member.To check the member's state, issue rs.status() in\nmongosh.Repeat for each secondary member.Step down the replica set primary.Connect mongosh to the primary and use\nrs.stepDown() to step down the primary and force an\nelection of a new primary:Shut down the stepped-down primary.When rs.status() shows that the primary has stepped\ndown and another member has assumed the PRIMARY state, shut\ndown the stepped-down primary.To shut down the stepped-down primary, use\nmongosh to connect to the primary and\nrun the following command:Replace the mongod binary with the 8.0 binary.Start the 8.0 binary.Start the 8.0 with the --configsvr,\n--replSet,\n--port, and --bind_ip options. Include any optional command line\noptions used by the previous deployment:If using a configuration file, update the file to\nspecify sharding.clusterRole: configsvr, replication.replSetName,\nnet.port, and net.bindIp,\nthen start the 8.0 binary:Include any other configuration as appropriate for your deployment.","name":"Upgrade the config servers."},{"@type":"HowToStep","text":"Upgrade the shards one at a time.For each shard replica set:Upgrade the secondary members of the replica set, one at a time.Shut down the secondary instance.To shut down the mongod process, use\nmongosh to connect to the cluster member and\nrun the following command:Replace the 7.0 binary with the 8.0 binary.Start the 8.0 binary with the --shardsvr, --replSet,\n--port, and --bind_ip options. Include any additional command line\noptions as appropriate for your deployment:If using a configuration file, update the file to\ninclude sharding.clusterRole: shardsvr,\nreplication.replSetName, net.port, and\nnet.bindIp, then start the 8.0 binary:Include any other configuration as appropriate for your deployment.Wait for the member to recover to the SECONDARY state before upgrading the next secondary member.To check the member's state, you can issue\nrs.status() in mongosh.Repeat for each secondary member.Step down the replica set primary.Connect mongosh to the primary and use\nrs.stepDown() to step down the primary and force an\nelection of a new primary:Upgrade the stepped-down primary.When rs.status() shows that the primary has\nstepped down and another member has assumed the PRIMARY\nstate, upgrade the stepped-down primary:Shut down the stepped-down primary.To shut down the stepped-down primary, use\nmongosh to connect to the replica set\nmember and run the following command:Replace the mongod binary. with the 8.0 binary.Start the 8.0 binary.Start the 8.0 binary with the --shardsvr,\n--replSet,\n--port, and --bind_ip options. Include any additional command line\noptions as appropriate for your deployment:If using a configuration file, update the file to\nspecify sharding.clusterRole: shardsvr, replication.replSetName,\nnet.port, and net.bindIp, then start the\n8.0 binary:Include any other configuration as appropriate for your deployment.","name":"Upgrade the shards."},{"@type":"HowToStep","text":"Replace each mongos instance with the 8.0 binary\nand restart. Include any other configuration as appropriate for your\ndeployment.The --bind_ip option must be specified when\nthe sharded cluster members are run on different hosts or if\nremote clients connect to the sharded cluster.","name":"Upgrade the mongos instances."},{"@type":"HowToStep","text":"Using mongosh, connect to a\nmongos in the cluster and run\nsh.startBalancer() to re-enable the balancer:For more information about re-enabling the balancer, see\nEnable the Balancer.","name":"Re-enable the balancer."},{"@type":"HowToStep","text":"At this point, you can run the 8.0 binaries without the\n8.0 features that are incompatible with 7.0.To enable these 8.0 features, set the feature compatibility\nversion (fCV) to 8.0.Enabling these backwards-incompatible features can complicate the\ndowngrade process since you must remove any persisted backwards-incompatible\nfeatures before you downgrade.It is recommended that after upgrading, you allow your deployment to run\nwithout enabling these features for a burn-in period to ensure the\nlikelihood of downgrade is minimal. When you are confident that the\nlikelihood of downgrade is minimal, enable these features.On a mongos instance, run the\nsetFeatureCompatibilityVersion command in the admin\ndatabase:Setting featureCompatibilityVersion (fCV) : \"8.0\"\nimplicitly performs a replSetReconfig on each shard to\nadd the term field to the shard replica configuration\ndocument.The command doesn't complete until the new configuration propagates to a\nmajority of replica set members.This command must perform writes to an internal system collection.\nIf for any reason the command does not complete successfully, you\ncan safely retry the command on the mongos as the\noperation is idempotent.While setFeatureCompatibilityVersion is running on\nthe sharded cluster, chunk migrations, splits, and merges\ncan fail with ConflictingOperationInProgress.Any orphaned documents that exist on your\nshards will be cleaned up when you set the\nsetFeatureCompatibilityVersion to 8.0. The\ncleanup process:Does not block the upgrade from completing, andIs rate limited. To mitigate the potential effect on performance\nduring orphaned document cleanup, see\nRange Deletion Performance Tuning.The mongos binary cannot connect to mongod\ninstances whose feature compatibility version (fCV) is greater\nthan that of the mongos. For example, you cannot connect\na MongoDB 7.0 version mongos to a 8.0\nsharded cluster with fCV set to 8.0. You\ncan, however, connect a MongoDB 7.0 version\nmongos to a 8.0 sharded cluster with fCV set to 7.0.Using substitutions, so that the blurb in example is updated per each version of the manual.","name":"Enable backwards-incompatible 8.0 features."}],"name":"Upgrade Procedure","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
</script>
<div class="css-4nyere eccljxs0">
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Disable the Balancer.
<a class="headerlink leafygreen-ui-1kepx47" href="#disable-the-balancer." title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="disable-the-balancer.">
</div>
</a>
</h3>
<span class="leafygreen-ui-1qnjd6d" id="std-label-8.0-upgrade-disable-balancer">
</span>
<p class="leafygreen-ui-1kp3ins">
Connect
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
to a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance
in the sharded cluster, and run
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/sh.stopBalancer/#mongodb-method-sh.stopBalancer">
<code class="leafygreen-ui-1l06pbn">
sh.stopBalancer()
</code>
</a>
to
disable the balancer:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sh.stopBalancer()","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sh.<span class="lg-highlight-title lg-highlight-function">stopBalancer</span>(<!-- -->)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
If a migration is in progress, the system will complete the
in-progress migration before stopping the balancer. You can run
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/sh.isBalancerRunning/#mongodb-method-sh.isBalancerRunning">
<code class="leafygreen-ui-1l06pbn">
sh.isBalancerRunning()
</code>
</a>
to check the balancer's current
state.
</p>
<p class="leafygreen-ui-1kp3ins">
To verify that the balancer is disabled, run
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/sh.getBalancerState/#mongodb-method-sh.getBalancerState">
<code class="leafygreen-ui-1l06pbn">
sh.getBalancerState()
</code>
</a>
, which returns false if the
balancer is disabled:
</p>
</div>
</div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sh.getBalancerState()","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sh.<span class="lg-highlight-title lg-highlight-function">getBalancerState</span>(<!-- -->)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For more information on disabling the balancer, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/manage-sharded-cluster-balancer/#std-label-sharding-balancing-disable-temporarily">
Disable the Balancer
<!-- -->
.
</a>
</p>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Upgrade the config servers.
<a class="headerlink leafygreen-ui-1kepx47" href="#upgrade-the-config-servers." title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="upgrade-the-config-servers.">
</div>
</a>
</h3>
<span class="leafygreen-ui-1qnjd6d" id="std-label-8.0-upgrade-config-servers">
</span>
<ol class="leafygreen-ui-rioki0" type="a">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Upgrade the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/replica-set-members/#std-label-replica-set-secondary-members">
secondary
</a>
members of the replica set, one at a time.
</p>
<ol class="leafygreen-ui-rioki0" type="i">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Shut down the secondary instance.
</p>
<p class="leafygreen-ui-1kp3ins">
To shut down the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
process, use
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
to connect to the cluster member and
run the following command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.adminCommand( { shutdown: 1 } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">adminCommand</span>( <!-- -->{ <span class="lg-highlight-attr">shutdown</span>: <span class="lg-highlight-number">1</span> } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Replace the
<!-- -->
7.0
<!-- -->
binary with the
<!-- -->
8.0
<!-- -->
binary.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Start the
<!-- -->
8.0
<!-- -->
binary.
</p>
<p class="leafygreen-ui-1kp3ins">
Start the
<!-- -->
8.0
<!-- -->
binary with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--configsvr">
<code class="leafygreen-ui-1l06pbn">
--configsvr
</code>
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--replSet">
<code class="leafygreen-ui-1l06pbn">
--replSet
</code>
</a>
, and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--port">
<code class="leafygreen-ui-1l06pbn">
--port
</code>
</a>
.
Include any other options as used by the deployment.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongod --configsvr --replSet <replsetname> --port <port> --dbpath <path> --bind_ip localhost,<ip>","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongod --configsvr --replSet <replSetName> --port <port> --dbpath <path> --bind_ip localhost,<ip address></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
If using a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#std-label-configuration-options">
configuration file
</a>
, update the file to
specify
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-sharding.clusterRole">
<code class="leafygreen-ui-1l06pbn">
sharding.clusterRole: configsvr
</code>
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-replication.replSetName">
<code class="leafygreen-ui-1l06pbn">
replication.replSetName
</code>
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.port">
<code class="leafygreen-ui-1l06pbn">
net.port
</code>
</a>
, and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.bindIp">
<code class="leafygreen-ui-1l06pbn">
net.bindIp
</code>
</a>
,
then start the
<!-- -->
8.0
<!-- -->
binary:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sharding:\n clusterRole: configsvr\nreplication:\n replSetName: <string>\nnet:\n port: <port>\n bindIp: localhost,<ip>\nstorage:\n dbpath: <path>","programmingLanguage":"YAML"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light yaml leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">sharding:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">clusterRole:</span> <span class="lg-highlight-string">configsvr</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">replication:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">replSetName:</span> <span class="lg-highlight-string"><string></span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">net:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">port:</span> <span class="lg-highlight-string"><port></span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">bindIp:</span> <span class="lg-highlight-string">localhost,<ip</span> <span class="lg-highlight-string">address></span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">storage:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">dbpath:</span> <span class="lg-highlight-string"><path></span></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Include any other settings as appropriate for your deployment.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Wait for the member to recover to the
<code class="leafygreen-ui-1l06pbn">
SECONDARY
</code>
state before upgrading the next secondary member.
</p>
<p class="leafygreen-ui-1kp3ins">
To check the member's state, issue
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.status/#mongodb-method-rs.status">
<code class="leafygreen-ui-1l06pbn">
rs.status()
</code>
</a>
in
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
.
</span>
</a>
</p>
</li>
</ol>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Step down the replica set primary.
</p>
<ol class="leafygreen-ui-rioki0" type="i">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Connect
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
to the primary and use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.stepDown/#mongodb-method-rs.stepDown">
<code class="leafygreen-ui-1l06pbn">
rs.stepDown()
</code>
</a>
to step down the primary and force an
election of a new primary:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"rs.stepDown()","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">rs.<span class="lg-highlight-title lg-highlight-function">stepDown</span>(<!-- -->)</td></tr></tbody></table></code></pre>
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<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Shut down the stepped-down primary.
</p>
<p class="leafygreen-ui-1kp3ins">
When
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.status/#mongodb-method-rs.status">
<code class="leafygreen-ui-1l06pbn">
rs.status()
</code>
</a>
shows that the primary has stepped
down and another member has assumed the
<code class="leafygreen-ui-1l06pbn">
PRIMARY
</code>
state, shut
down the stepped-down primary.
</p>
<p class="leafygreen-ui-1kp3ins">
To shut down the stepped-down primary, use
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
to connect to the primary and
run the following command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.adminCommand( { shutdown: 1 } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">adminCommand</span>( <!-- -->{ <span class="lg-highlight-attr">shutdown</span>: <span class="lg-highlight-number">1</span> } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Replace the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
binary with the
<!-- -->
8.0
<!-- -->
binary.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Start the
<!-- -->
8.0
<!-- -->
binary.
</p>
<p class="leafygreen-ui-1kp3ins">
Start the
<!-- -->
8.0
<!-- -->
with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--configsvr">
<code class="leafygreen-ui-1l06pbn">
--configsvr
</code>
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--replSet">
<code class="leafygreen-ui-1l06pbn">
--replSet
</code>
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--port">
<code class="leafygreen-ui-1l06pbn">
--port
</code>
</a>
, and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--bind_ip">
<code class="leafygreen-ui-1l06pbn">
--bind_ip
</code>
</a>
options. Include any optional command line
options used by the previous deployment:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongod --configsvr --replSet <replsetname> --port <port> --dbpath <path> --bind_ip localhost,<ip>","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongod --configsvr --replSet <replSetName> --port <port> --dbpath <path> --bind_ip localhost,<ip address></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
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<div class="leafygreen-ui-xhlipt">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
If using a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#std-label-configuration-options">
configuration file
</a>
, update the file to
specify
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-sharding.clusterRole">
<code class="leafygreen-ui-1l06pbn">
sharding.clusterRole: configsvr
</code>
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-replication.replSetName">
<code class="leafygreen-ui-1l06pbn">
replication.replSetName
</code>
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.port">
<code class="leafygreen-ui-1l06pbn">
net.port
</code>
</a>
, and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.bindIp">
<code class="leafygreen-ui-1l06pbn">
net.bindIp
</code>
</a>
,
then start the
<!-- -->
8.0
<!-- -->
binary:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sharding:\n clusterRole: configsvr\nreplication:\n replSetName: <string>\nnet:\n port: <port>\n bindIp: localhost,<ip>\nstorage:\n dbpath: <path>","programmingLanguage":"YAML"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light yaml leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">sharding:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">clusterRole:</span> <span class="lg-highlight-string">configsvr</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">replication:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">replSetName:</span> <span class="lg-highlight-string"><string></span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">net:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">port:</span> <span class="lg-highlight-string"><port></span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">bindIp:</span> <span class="lg-highlight-string">localhost,<ip</span> <span class="lg-highlight-string">address></span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">storage:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">dbpath:</span> <span class="lg-highlight-string"><path></span></td></tr></tbody></table></code></pre>
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Include any other configuration as appropriate for your deployment.
</p>
</li>
</ol>
</li>
</ol>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
3
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Upgrade the shards.
<a class="headerlink leafygreen-ui-1kepx47" href="#upgrade-the-shards." title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="upgrade-the-shards.">
</div>
</a>
</h3>
<span class="leafygreen-ui-1qnjd6d" id="std-label-8.0-upgrade-shards">
</span>
<p class="leafygreen-ui-1kp3ins">
Upgrade the shards one at a time.
</p>
<p class="leafygreen-ui-1kp3ins">
For each shard replica set:
</p>
<ol class="leafygreen-ui-rioki0" type="a">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Upgrade the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/replica-set-members/#std-label-replica-set-secondary-members">
secondary
</a>
members of the replica set, one at a time.
</p>
<ol class="leafygreen-ui-rioki0" type="i">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Shut down the secondary instance.
</p>
<p class="leafygreen-ui-1kp3ins">
To shut down the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
process, use
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
to connect to the cluster member and
run the following command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.adminCommand( { shutdown: 1 } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">adminCommand</span>( <!-- -->{ <span class="lg-highlight-attr">shutdown</span>: <span class="lg-highlight-number">1</span> } )</td></tr></tbody></table></code></pre>
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</svg>
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</button>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Replace the
<!-- -->
7.0
<!-- -->
binary with the
<!-- -->
8.0
<!-- -->
binary.
</p>
<p class="leafygreen-ui-1kp3ins">
Start the
<!-- -->
8.0
<!-- -->
binary with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--shardsvr">
<code class="leafygreen-ui-1l06pbn">
--shardsvr
</code>
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--replSet">
<code class="leafygreen-ui-1l06pbn">
--replSet
</code>
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--port">
<code class="leafygreen-ui-1l06pbn">
--port
</code>
</a>
, and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--bind_ip">
<code class="leafygreen-ui-1l06pbn">
--bind_ip
</code>
</a>
options. Include any additional command line
options as appropriate for your deployment:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongod --shardsvr --replSet <replsetname> --port <port> --dbpath <path> --bind_ip localhost,<ip>","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongod --shardsvr --replSet <replSetName> --port <port> --dbpath <path> --bind_ip localhost,<ip address></td></tr></tbody></table></code></pre>
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</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
If using a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#std-label-configuration-options">
configuration file
</a>
, update the file to
include
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-sharding.clusterRole">
<code class="leafygreen-ui-1l06pbn">
sharding.clusterRole: shardsvr
</code>
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-replication.replSetName">
<code class="leafygreen-ui-1l06pbn">
replication.replSetName
</code>
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.port">
<code class="leafygreen-ui-1l06pbn">
net.port
</code>
</a>
, and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.bindIp">
<code class="leafygreen-ui-1l06pbn">
net.bindIp
</code>
</a>
, then start the
<!-- -->
8.0
<!-- -->
binary:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sharding:\n clusterRole: shardsvr\nreplication:\n replSetName: <string>\nnet:\n port: <port>\n bindIp: localhost,<ip>\nstorage:\n dbpath: <path>","programmingLanguage":"YAML"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light yaml leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">sharding:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">clusterRole:</span> <span class="lg-highlight-string">shardsvr</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">replication:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">replSetName:</span> <span class="lg-highlight-string"><string></span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">net:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">port:</span> <span class="lg-highlight-string"><port></span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">bindIp:</span> <span class="lg-highlight-string">localhost,<ip</span> <span class="lg-highlight-string">address></span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">storage:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">dbpath:</span> <span class="lg-highlight-string"><path></span></td></tr></tbody></table></code></pre>
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</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Include any other configuration as appropriate for your deployment.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Wait for the member to recover to the
<code class="leafygreen-ui-1l06pbn">
SECONDARY
</code>
state before upgrading the next secondary member.
</p>
<p class="leafygreen-ui-1kp3ins">
To check the member's state, you can issue
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.status/#mongodb-method-rs.status">
<code class="leafygreen-ui-1l06pbn">
rs.status()
</code>
</a>
in
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
.
</span>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Repeat for each secondary member.
</p>
</li>
</ol>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Step down the replica set primary.
</p>
<p class="leafygreen-ui-1kp3ins">
Connect
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
to the primary and use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.stepDown/#mongodb-method-rs.stepDown">
<code class="leafygreen-ui-1l06pbn">
rs.stepDown()
</code>
</a>
to step down the primary and force an
election of a new primary:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"rs.stepDown()","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">rs.<span class="lg-highlight-title lg-highlight-function">stepDown</span>(<!-- -->)</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Upgrade the stepped-down primary.
</p>
<p class="leafygreen-ui-1kp3ins">
When
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.status/#mongodb-method-rs.status">
<code class="leafygreen-ui-1l06pbn">
rs.status()
</code>
</a>
shows that the primary has
stepped down and another member has assumed the
<code class="leafygreen-ui-1l06pbn">
PRIMARY
</code>
state, upgrade the stepped-down primary:
</p>
<ol class="leafygreen-ui-rioki0" type="i">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Shut down the stepped-down primary.
</p>
<p class="leafygreen-ui-1kp3ins">
To shut down the stepped-down primary, use
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
to connect to the replica set
member and run the following command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.adminCommand( { shutdown: 1 } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">adminCommand</span>( <!-- -->{ <span class="lg-highlight-attr">shutdown</span>: <span class="lg-highlight-number">1</span> } )</td></tr></tbody></table></code></pre>
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</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Replace the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
binary. with the
<!-- -->
8.0
<!-- -->
binary.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Start the
<!-- -->
8.0
<!-- -->
binary.
</p>
<p class="leafygreen-ui-1kp3ins">
Start the
<!-- -->
8.0
<!-- -->
binary with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--shardsvr">
<code class="leafygreen-ui-1l06pbn">
--shardsvr
</code>
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--replSet">
<code class="leafygreen-ui-1l06pbn">
--replSet
</code>
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--port">
<code class="leafygreen-ui-1l06pbn">
--port
</code>
</a>
, and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--bind_ip">
<code class="leafygreen-ui-1l06pbn">
--bind_ip
</code>
</a>
options. Include any additional command line
options as appropriate for your deployment:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongod --shardsvr --replSet <replsetname> --port <port> --dbpath <path> --bind_ip localhost,<ip>","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongod --shardsvr --replSet <replSetName> --port <port> --dbpath <path> --bind_ip localhost,<ip address></td></tr></tbody></table></code></pre>
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</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
If using a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#std-label-configuration-options">
configuration file
</a>
, update the file to
specify
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-sharding.clusterRole">
<code class="leafygreen-ui-1l06pbn">
sharding.clusterRole: shardsvr
</code>
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-replication.replSetName">
<code class="leafygreen-ui-1l06pbn">
replication.replSetName
</code>
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.port">
<code class="leafygreen-ui-1l06pbn">
net.port
</code>
</a>
, and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.bindIp">
<code class="leafygreen-ui-1l06pbn">
net.bindIp
</code>
</a>
, then start the
<!-- -->
8.0
<!-- -->
binary:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sharding:\n clusterRole: shardsvr\nreplication:\n replSetName: <string>\nnet:\n port: <port>\n bindIp: localhost,<ip>\nstorage:\n dbpath: <path>","programmingLanguage":"YAML"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light yaml leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">sharding:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">clusterRole:</span> <span class="lg-highlight-string">shardsvr</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">replication:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">replSetName:</span> <span class="lg-highlight-string"><string></span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">net:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">port:</span> <span class="lg-highlight-string"><port></span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">bindIp:</span> <span class="lg-highlight-string">localhost,<ip</span> <span class="lg-highlight-string">address></span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">storage:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">dbpath:</span> <span class="lg-highlight-string"><path></span></td></tr></tbody></table></code></pre>
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</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Include any other configuration as appropriate for your deployment.
</p>
</li>
</ol>
</li>
</ol>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
4
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Upgrade the
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
instances.
<a class="headerlink leafygreen-ui-1kepx47" href="#upgrade-the-mongos-instances." title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="upgrade-the-mongos-instances.">
</div>
</a>
</h3>
<span class="leafygreen-ui-1qnjd6d" id="std-label-8.0-upgrade-mongos-instances">
</span>
<p class="leafygreen-ui-1kp3ins">
Replace each
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance with the
<!-- -->
8.0
<!-- -->
binary
and restart. Include any other configuration as appropriate for your
deployment.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--bind_ip">
<code class="leafygreen-ui-1l06pbn">
--bind_ip
</code>
</a>
option must be specified when
the sharded cluster members are run on different hosts or if
remote clients connect to the sharded cluster.
</p>
</div>
</div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongos --configdb csReplSet/<rsconfigsver1:port1>,<rsconfigsver2:port2>,<rsconfigsver3:port3> --bind_ip localhost,<ip>","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongos --configdb csReplSet/<rsconfigsver1:port1>,<rsconfigsver2:port2>,<rsconfigsver3:port3> --bind_ip localhost,<ip address></td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
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</div>
</button>
</div>
</div>
</div>
</div>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
5
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Re-enable the balancer.
<a class="headerlink leafygreen-ui-1kepx47" href="#re-enable-the-balancer." title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="re-enable-the-balancer.">
</div>
</a>
</h3>
<span class="leafygreen-ui-1qnjd6d" id="std-label-8.0-upgrade-reenable-balancer">
</span>
<p class="leafygreen-ui-1kp3ins">
Using
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
, connect to a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
in the cluster and run
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/sh.startBalancer/#mongodb-method-sh.startBalancer">
<code class="leafygreen-ui-1l06pbn">
sh.startBalancer()
</code>
</a>
to re-enable the balancer:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sh.startBalancer()","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sh.<span class="lg-highlight-title lg-highlight-function">startBalancer</span>(<!-- -->)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For more information about re-enabling the balancer, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/manage-sharded-cluster-balancer/#std-label-sharding-balancing-enable">
Enable the Balancer
<!-- -->
.
</a>
</p>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
6
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Enable backwards-incompatible
<!-- -->
8.0
<!-- -->
features.
<a class="headerlink leafygreen-ui-1kepx47" href="#enable-backwards-incompatible--features." title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="enable-backwards-incompatible--features.">
</div>
</a>
</h3>
<span class="leafygreen-ui-1qnjd6d" id="std-label-8.0-upgrade-enable-features-mongos">
</span>
<p class="leafygreen-ui-1kp3ins">
At this point, you can run the
<!-- -->
8.0
<!-- -->
binaries without the
<!-- -->
8.0
<!-- -->
<a class="leafygreen-ui-tqgtui" href="/docs/manual/release-notes/8.0-compatibility/#std-label-8.0-downgrade-considerations">
features
</a>
that are incompatible with
<!-- -->
7.0
<!-- -->
.
</p>
<p class="leafygreen-ui-1kp3ins">
To enable these
<!-- -->
8.0
<!-- -->
features, set the feature compatibility
version (
<code class="leafygreen-ui-1l06pbn">
fCV
</code>
) to
<!-- -->
8.0
<!-- -->
.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Enabling these backwards-incompatible features can complicate the
downgrade process since you must remove any persisted backwards-incompatible
features before you downgrade.
</p>
<p class="leafygreen-ui-1kp3ins">
It is recommended that after upgrading, you allow your deployment to run
without enabling these features for a burn-in period to ensure the
likelihood of downgrade is minimal. When you are confident that the
likelihood of downgrade is minimal, enable these features.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
On a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance, run the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/setFeatureCompatibilityVersion/#mongodb-dbcommand-dbcmd.setFeatureCompatibilityVersion">
<code class="leafygreen-ui-1l06pbn">
setFeatureCompatibilityVersion
</code>
</a>
command in the
<code class="leafygreen-ui-1l06pbn">
admin
</code>
database:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.adminCommand( { setFeatureCompatibilityVersion: \"8.0\" } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">adminCommand</span>( <!-- -->{ <span class="lg-highlight-attr">setFeatureCompatibilityVersion</span>: <span class="lg-highlight-string">"8.0"</span> } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Setting
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/setFeatureCompatibilityVersion/#std-label-set-fcv">
featureCompatibilityVersion (fCV) : "8.0"
</a>
implicitly performs a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/replSetReconfig/#mongodb-dbcommand-dbcmd.replSetReconfig">
<code class="leafygreen-ui-1l06pbn">
replSetReconfig
</code>
</a>
on each shard to
add the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/#mongodb-rsconf-rsconf.term">
<code class="leafygreen-ui-1l06pbn">
term
</code>
</a>
field to the shard replica configuration
document.
</p>
<p class="leafygreen-ui-1kp3ins">
The command doesn't complete until the new configuration propagates to a
majority of replica set members.
</p>
<p class="leafygreen-ui-1kp3ins">
This command must perform writes to an internal system collection.
If for any reason the command does not complete successfully, you
can safely retry the command on the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
as the
operation is idempotent.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
While
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/setFeatureCompatibilityVersion/#mongodb-dbcommand-dbcmd.setFeatureCompatibilityVersion">
<code class="leafygreen-ui-1l06pbn">
setFeatureCompatibilityVersion
</code>
</a>
is running on
the sharded cluster, chunk migrations, splits, and merges
can fail with
<code class="leafygreen-ui-1l06pbn">
ConflictingOperationInProgress
</code>
.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Any
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-orphaned-document">
orphaned documents
</a>
that exist on your
shards will be cleaned up when you set the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/setFeatureCompatibilityVersion/#mongodb-dbcommand-dbcmd.setFeatureCompatibilityVersion">
<code class="leafygreen-ui-1l06pbn">
setFeatureCompatibilityVersion
</code>
</a>
to
<!-- -->
8.0
<!-- -->
. The
cleanup process:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Does not block the upgrade from completing, and
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Is rate limited. To mitigate the potential effect on performance
during orphaned document cleanup, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-balancer-administration/#std-label-range-deletion-performance-tuning">
Range Deletion Performance Tuning
<!-- -->
.
</a>
</p>
</li>
</ul>
<div class="leafygreen-ui-1sjx7ru" role="note">
<h2 class="leafygreen-ui-29m78u">
Warning
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
mongos fCV Compatibility
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
binary cannot connect to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instances whose
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/setFeatureCompatibilityVersion/#std-label-view-fcv">
feature compatibility version (fCV)
</a>
is greater
than that of the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
. For example, you cannot connect
a MongoDB
<!-- -->
7.0
<!-- -->
version
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
to a
<!-- -->
8.0
<!-- -->
sharded cluster with
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/setFeatureCompatibilityVersion/#std-label-view-fcv">
fCV
</a>
set to
<!-- -->
8.0
<!-- -->
. You
can, however, connect a MongoDB
<!-- -->
7.0
<!-- -->
version
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
to a
<!-- -->
8.0
<!-- -->
sharded cluster with
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/setFeatureCompatibilityVersion/#std-label-view-fcv">
fCV
</a>
set to
<!-- -->
7.0
<!-- -->
.
</p>
</div>
</div>
</section>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Additional Upgrade Procedures
<a class="headerlink leafygreen-ui-1kepx47" href="#additional-upgrade-procedures" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="additional-upgrade-procedures">
</div>
</a>
</h2>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
To upgrade a standalone, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/release-notes/8.0-upgrade-standalone/#std-label-8.0-upgrade-standalone">
Upgrade a Standalone to 8.0
<!-- -->
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
To upgrade a replica set, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/release-notes/8.0-upgrade-replica-set/#std-label-8.0-upgrade-replica-set">
Upgrade a Replica Set to 8.0
<!-- -->
.
</a>
</p>
</li>
</ul>
</section>
</section>
|
https://www.mongodb.com/docs/manual/core/transactions-operations/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Transactions and Operations
<a class="headerlink leafygreen-ui-1kepx47" href="#transactions-and-operations" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="transactions-and-operations">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#operations-supported-in-multi-document-transactions" target="_self">
<span>
Operations Supported in Multi-Document Transactions
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#crud-operations" target="_self">
<span>
CRUD Operations
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#count-operation" target="_self">
<span>
Count Operation
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#distinct-operation" target="_self">
<span>
Distinct Operation
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#administration-operations" target="_self">
<span>
Administration Operations
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#informational-operations" target="_self">
<span>
Informational Operations
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#restricted-operations" target="_self">
<span>
Restricted Operations
</span>
</a>
</li>
</ul>
</div>
<p class="leafygreen-ui-1kp3ins">
For transactions:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
You can create collections and indexes in transactions. For
details, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-create-collections-indexes">
Create Collections and Indexes in a Transaction
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The collections used in a transaction can be in different
databases.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
You cannot create new collections in cross-shard write transactions.
For example, if you write to an existing collection in one shard and
implicitly create a collection in a different shard, MongoDB cannot
perform both operations in the same transaction.
</p>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
You cannot write to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/capped-collections/#std-label-manual-capped-collection">
capped
</a>
collections.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
You cannot use read concern
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern-snapshot/#mongodb-readconcern-readconcern.-snapshot-">
<code class="leafygreen-ui-1l06pbn">
"snapshot"
</code>
</a>
when reading
from a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/capped-collections/#std-label-manual-capped-collection">
capped
</a>
collection.
(Starting in MongoDB 5.0)
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
You cannot read/write to collections in the
<code class="leafygreen-ui-1l06pbn">
config
</code>
,
<code class="leafygreen-ui-1l06pbn">
admin
</code>
,
or
<code class="leafygreen-ui-1l06pbn">
local
</code>
databases.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
You cannot write to
<code class="leafygreen-ui-1l06pbn">
system.*
</code>
collections.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
You cannot return the supported operation's query plan using
<code class="leafygreen-ui-1l06pbn">
explain
</code>
or similar commands.
</p>
</li>
</ul>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
For cursors created outside of a transaction, you cannot call
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/getMore/#mongodb-dbcommand-dbcmd.getMore">
<code class="leafygreen-ui-1l06pbn">
getMore
</code>
</a>
inside the transaction.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
For cursors created in a transaction, you cannot call
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/getMore/#mongodb-dbcommand-dbcmd.getMore">
<code class="leafygreen-ui-1l06pbn">
getMore
</code>
</a>
outside the transaction.
</p>
</li>
</ul>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
You cannot specify the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/killCursors/#mongodb-dbcommand-dbcmd.killCursors">
<code class="leafygreen-ui-1l06pbn">
killCursors
</code>
</a>
command as
the first operation in a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions">
transaction
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
Additionally, if you run the
<code class="leafygreen-ui-1l06pbn">
killCursors
</code>
command within a
transaction, the server immediately stops the specified
cursors. It does
<strong>
not
</strong>
wait for the transaction to commit.
</p>
</li>
</ul>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Operations Supported in Multi-Document Transactions
<a class="headerlink leafygreen-ui-1kepx47" href="#operations-supported-in-multi-document-transactions" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="operations-supported-in-multi-document-transactions">
</div>
</a>
</h2>
<span class="leafygreen-ui-1qnjd6d" id="std-label-transactions-operations-crud">
</span>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
CRUD Operations
<a class="headerlink leafygreen-ui-1kepx47" href="#crud-operations" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="crud-operations">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The following read/write operations are allowed in transactions:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:50%"/>
<col style="width:20%"/>
<col style="width:30%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Method
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Command
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Note
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.aggregate/#mongodb-method-db.collection.aggregate">
<code class="leafygreen-ui-1l06pbn">
db.collection.aggregate()
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/aggregate/#mongodb-dbcommand-dbcmd.aggregate">
<code class="leafygreen-ui-1l06pbn">
aggregate
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Excluding the following stages:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/collStats/#mongodb-pipeline-pipe.-collStats">
<code class="leafygreen-ui-1l06pbn">
$collStats
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/currentOp/#mongodb-pipeline-pipe.-currentOp">
<code class="leafygreen-ui-1l06pbn">
$currentOp
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/indexStats/#mongodb-pipeline-pipe.-indexStats">
<code class="leafygreen-ui-1l06pbn">
$indexStats
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/listLocalSessions/#mongodb-pipeline-pipe.-listLocalSessions">
<code class="leafygreen-ui-1l06pbn">
$listLocalSessions
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/listSessions/#mongodb-pipeline-pipe.-listSessions">
<code class="leafygreen-ui-1l06pbn">
$listSessions
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/merge/#mongodb-pipeline-pipe.-merge">
<code class="leafygreen-ui-1l06pbn">
$merge
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/out/#mongodb-pipeline-pipe.-out">
<code class="leafygreen-ui-1l06pbn">
$out
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/planCacheStats/#mongodb-pipeline-pipe.-planCacheStats">
<code class="leafygreen-ui-1l06pbn">
$planCacheStats
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/unionWith/#mongodb-pipeline-pipe.-unionWith">
<code class="leafygreen-ui-1l06pbn">
$unionWith
</code>
</a>
</p>
</li>
</ul>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.countDocuments/#mongodb-method-db.collection.countDocuments">
<code class="leafygreen-ui-1l06pbn">
db.collection.countDocuments()
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Excluding the following query operator expressions:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/query/where/#mongodb-query-op.-where">
<code class="leafygreen-ui-1l06pbn">
$where
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/query/near/#mongodb-query-op.-near">
<code class="leafygreen-ui-1l06pbn">
$near
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/query/nearSphere/#mongodb-query-op.-nearSphere">
<code class="leafygreen-ui-1l06pbn">
$nearSphere
</code>
</a>
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
The method uses the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/match/#mongodb-pipeline-pipe.-match">
<code class="leafygreen-ui-1l06pbn">
$match
</code>
</a>
aggregation stage for the
query and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/group/#mongodb-pipeline-pipe.-group">
<code class="leafygreen-ui-1l06pbn">
$group
</code>
</a>
aggregation stage with a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/sum/#mongodb-group-grp.-sum">
<code class="leafygreen-ui-1l06pbn">
$sum
</code>
</a>
expression to perform the count.
</p>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.distinct/#mongodb-method-db.collection.distinct">
<code class="leafygreen-ui-1l06pbn">
db.collection.distinct()
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/distinct/#mongodb-dbcommand-dbcmd.distinct">
<code class="leafygreen-ui-1l06pbn">
distinct
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Available on unsharded collections.
</p>
<div class="line-block">
<div class="line">
For sharded collections, use the aggregation pipeline with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/group/#mongodb-pipeline-pipe.-group">
<code class="leafygreen-ui-1l06pbn">
$group
</code>
</a>
stage. See
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-transactions-operations-distinct" target="_self">
<span>
Distinct Operation
</span>
</a>
.
</div>
</div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.find/#mongodb-method-db.collection.find">
<code class="leafygreen-ui-1l06pbn">
db.collection.find()
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/find/#mongodb-dbcommand-dbcmd.find">
<code class="leafygreen-ui-1l06pbn">
find
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<div class="line-block">
<div class="line">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.deleteMany/#mongodb-method-db.collection.deleteMany">
<code class="leafygreen-ui-1l06pbn">
db.collection.deleteMany()
</code>
</a>
</div>
<div class="line">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.deleteOne/#mongodb-method-db.collection.deleteOne">
<code class="leafygreen-ui-1l06pbn">
db.collection.deleteOne()
</code>
</a>
</div>
<div class="line">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.remove/#mongodb-method-db.collection.remove">
<code class="leafygreen-ui-1l06pbn">
db.collection.remove()
</code>
</a>
</div>
</div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/delete/#mongodb-dbcommand-dbcmd.delete">
<code class="leafygreen-ui-1l06pbn">
delete
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<div class="line-block">
<div class="line">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.findOneAndDelete/#mongodb-method-db.collection.findOneAndDelete">
<code class="leafygreen-ui-1l06pbn">
db.collection.findOneAndDelete()
</code>
</a>
</div>
<div class="line">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.findOneAndReplace/#mongodb-method-db.collection.findOneAndReplace">
<code class="leafygreen-ui-1l06pbn">
db.collection.findOneAndReplace()
</code>
</a>
</div>
<div class="line">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.findOneAndUpdate/#mongodb-method-db.collection.findOneAndUpdate">
<code class="leafygreen-ui-1l06pbn">
db.collection.findOneAndUpdate()
</code>
</a>
</div>
</div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/findAndModify/#mongodb-dbcommand-dbcmd.findAndModify">
<code class="leafygreen-ui-1l06pbn">
findAndModify
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
If the update or replace operation is run with
<code class="leafygreen-ui-1l06pbn">
upsert: true
</code>
on a
non-existing collection, the collection is implicitly created.
</p>
<p class="leafygreen-ui-1kp3ins">
For more details, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-transactions-operations-ddl" target="_self">
<span>
Administration Operations
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<div class="line-block">
<div class="line">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.insertMany/#mongodb-method-db.collection.insertMany">
<code class="leafygreen-ui-1l06pbn">
db.collection.insertMany()
</code>
</a>
</div>
<div class="line">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.insertOne/#mongodb-method-db.collection.insertOne">
<code class="leafygreen-ui-1l06pbn">
db.collection.insertOne()
</code>
</a>
</div>
</div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/insert/#mongodb-dbcommand-dbcmd.insert">
<code class="leafygreen-ui-1l06pbn">
insert
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
If run on a non-existing collection, the collection is implicitly
created.
</p>
<p class="leafygreen-ui-1kp3ins">
For more details, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-transactions-operations-ddl" target="_self">
<span>
Administration Operations
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<div class="line-block">
<div class="line">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.updateOne/#mongodb-method-db.collection.updateOne">
<code class="leafygreen-ui-1l06pbn">
db.collection.updateOne()
</code>
</a>
</div>
<div class="line">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.updateMany/#mongodb-method-db.collection.updateMany">
<code class="leafygreen-ui-1l06pbn">
db.collection.updateMany()
</code>
</a>
</div>
<div class="line">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.replaceOne/#mongodb-method-db.collection.replaceOne">
<code class="leafygreen-ui-1l06pbn">
db.collection.replaceOne()
</code>
</a>
</div>
</div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/update/#mongodb-dbcommand-dbcmd.update">
<code class="leafygreen-ui-1l06pbn">
update
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
If run on a non-existing collection, the collection is implicitly
created.
</p>
<p class="leafygreen-ui-1kp3ins">
For more details, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-transactions-operations-ddl" target="_self">
<span>
Administration Operations
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<div class="line-block">
<div class="line">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.bulkWrite/#mongodb-method-db.collection.bulkWrite">
<code class="leafygreen-ui-1l06pbn">
db.collection.bulkWrite()
</code>
</a>
</div>
<div class="line">
Various
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/js-bulk/">
Bulk Operation Methods
</a>
</div>
</div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
If run on a non-existing collection, the collection is implicitly
created.
</p>
<p class="leafygreen-ui-1kp3ins">
For more details, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-transactions-operations-ddl" target="_self">
<span>
Administration Operations
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
Updates to Shard Key Values
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
You can update a document's shard key value (unless the shard key
field is the immutable
<code class="leafygreen-ui-1l06pbn">
_id
</code>
field) by issuing single-document
update / findAndModify operations either in a transaction or as a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/retryable-writes/#std-label-retryable-writes">
retryable write
</a>
. For details, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-change-shard-key-value/#std-label-update-shard-key">
Change a Document's Shard Key Value
<!-- -->
.
</a>
</p>
</div>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-transactions-operations-count">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Count Operation
<a class="headerlink leafygreen-ui-1kepx47" href="#count-operation" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="count-operation">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To perform a count operation within a transaction, use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/count/#mongodb-pipeline-pipe.-count">
<code class="leafygreen-ui-1l06pbn">
$count
</code>
</a>
aggregation stage or the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/group/#mongodb-pipeline-pipe.-group">
<code class="leafygreen-ui-1l06pbn">
$group
</code>
</a>
(with a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/sum/#mongodb-group-grp.-sum">
<code class="leafygreen-ui-1l06pbn">
$sum
</code>
</a>
expression) aggregation stage.
</p>
<p class="leafygreen-ui-1kp3ins">
MongoDB drivers provide a collection-level API
<code class="leafygreen-ui-1l06pbn">
countDocuments(filter, options)
</code>
as a helper method that uses the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/group/#mongodb-pipeline-pipe.-group">
<code class="leafygreen-ui-1l06pbn">
$group
</code>
</a>
with a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/sum/#mongodb-group-grp.-sum">
<code class="leafygreen-ui-1l06pbn">
$sum
</code>
</a>
expression
to perform a count.
</p>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
provides the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.countDocuments/#mongodb-method-db.collection.countDocuments">
<code class="leafygreen-ui-1l06pbn">
db.collection.countDocuments()
</code>
</a>
helper method that uses the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/group/#mongodb-pipeline-pipe.-group">
<code class="leafygreen-ui-1l06pbn">
$group
</code>
</a>
with a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/sum/#mongodb-group-grp.-sum">
<code class="leafygreen-ui-1l06pbn">
$sum
</code>
</a>
expression to perform a
count.
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-transactions-operations-distinct">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Distinct Operation
<a class="headerlink leafygreen-ui-1kepx47" href="#distinct-operation" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="distinct-operation">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To perform a distinct operation within a transaction:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
For unsharded collections, you can use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.distinct/#mongodb-method-db.collection.distinct">
<code class="leafygreen-ui-1l06pbn">
db.collection.distinct()
</code>
</a>
method/the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/distinct/#mongodb-dbcommand-dbcmd.distinct">
<code class="leafygreen-ui-1l06pbn">
distinct
</code>
</a>
command as well as the aggregation pipeline
with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/group/#mongodb-pipeline-pipe.-group">
<code class="leafygreen-ui-1l06pbn">
$group
</code>
</a>
stage.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
For sharded collections, you cannot use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.distinct/#mongodb-method-db.collection.distinct">
<code class="leafygreen-ui-1l06pbn">
db.collection.distinct()
</code>
</a>
method or the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/distinct/#mongodb-dbcommand-dbcmd.distinct">
<code class="leafygreen-ui-1l06pbn">
distinct
</code>
</a>
command.
</p>
<p class="leafygreen-ui-1kp3ins">
To find the distinct values for a sharded collection, use the
aggregation pipeline with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/group/#mongodb-pipeline-pipe.-group">
<code class="leafygreen-ui-1l06pbn">
$group
</code>
</a>
stage instead.
For example:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Instead of
<code class="leafygreen-ui-1l06pbn">
db.coll.distinct("x")
</code>
, use
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.coll.aggregate([\n { $group: { _id: null, distinctValues: { $addToSet: \"$x\" } } },\n { $project: { _id: 0 } }\n])","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">coll</span>.<span class="lg-highlight-title lg-highlight-function">aggregate</span>(<!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">$group</span>: <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-literal">null</span>, <span class="lg-highlight-attr">distinctValues</span>: <!-- -->{ <span class="lg-highlight-attr">$addToSet</span>: <span class="lg-highlight-string">"$x"</span> } } }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">$project</span>: <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">0</span> } }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">])</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Instead of
<code class="leafygreen-ui-1l06pbn">
db.coll.distinct("x", { status: "A" })
</code>
, use:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.coll.aggregate([\n { $match: { status: \"A\" } },\n { $group: { _id: null, distinctValues: { $addToSet: \"$x\" } } },\n { $project: { _id: 0 } }\n])","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">coll</span>.<span class="lg-highlight-title lg-highlight-function">aggregate</span>(<!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">$match</span>: <!-- -->{ <span class="lg-highlight-attr">status</span>: <span class="lg-highlight-string">"A"</span> } }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">$group</span>: <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-literal">null</span>, <span class="lg-highlight-attr">distinctValues</span>: <!-- -->{ <span class="lg-highlight-attr">$addToSet</span>: <span class="lg-highlight-string">"$x"</span> } } }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">$project</span>: <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">0</span> } }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">])</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
The pipeline returns a cursor to a document:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ \"distinctValues\" : [ 2, 3, 1 ] }","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1agdxuk" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"distinctValues"</span> <!-- -->: <!-- -->[ <span class="lg-highlight-number">2</span>, <span class="lg-highlight-number">3</span>, <span class="lg-highlight-number">1</span> ] }</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Iterate the cursor to access the results document.
</p>
</li>
</ul>
<span class="leafygreen-ui-1qnjd6d" id="std-label-transactions-operations-ddl">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Administration Operations
<a class="headerlink leafygreen-ui-1kepx47" href="#administration-operations" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="administration-operations">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
You can create collections and indexes inside a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-create-collections-indexes">
distributed
transaction
</a>
if the
transaction is
<strong class="css-4dei7l">
not
</strong>
a cross-shard write transaction.
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-transactions-operations-ddl-explicit">
</span>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Explicit Create Operations
<a class="headerlink leafygreen-ui-1kepx47" href="#explicit-create-operations" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="explicit-create-operations">
</div>
</a>
</h4>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:25%"/>
<col style="width:35%"/>
<col style="width:50%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Command
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Method
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Notes
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/create/#mongodb-dbcommand-dbcmd.create">
<code class="leafygreen-ui-1l06pbn">
create
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.createCollection/#mongodb-method-db.createCollection">
<code class="leafygreen-ui-1l06pbn">
db.createCollection()
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
See also the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-transactions-operations-ddl-implicit" target="_self">
<span>
Implicit Create Operations
<!-- -->
.
</span>
</a>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/createIndexes/#mongodb-dbcommand-dbcmd.createIndexes">
<code class="leafygreen-ui-1l06pbn">
createIndexes
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<div class="line-block">
<div class="line">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.createIndex/#mongodb-method-db.collection.createIndex">
<code class="leafygreen-ui-1l06pbn">
db.collection.createIndex()
</code>
</a>
</div>
<div class="line">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.createIndexes/#mongodb-method-db.collection.createIndexes">
<code class="leafygreen-ui-1l06pbn">
db.collection.createIndexes()
</code>
</a>
</div>
</div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The index to create must either be on a non-existing collection,
in which case, the collection is created as part of the
operation, or on a new empty collection created earlier in the
same transaction.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
For explicit creation of a collection or an index inside a
transaction, the transaction read concern level must be
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern-local/#mongodb-readconcern-readconcern.-local-">
<code class="leafygreen-ui-1l06pbn">
"local"
</code>
.
</a>
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For more information on creating collections and indexes in a
transaction, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-create-collections-indexes">
Create Collections and Indexes in a Transaction
<!-- -->
.
</a>
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-transactions-operations-ddl-implicit">
</span>
</section>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Implicit Create Operations
<a class="headerlink leafygreen-ui-1kepx47" href="#implicit-create-operations" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="implicit-create-operations">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
You can also implicitly create a collection through the following write
operations against a
<strong class="css-4dei7l">
non-existing
</strong>
collection:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:70%"/>
<col style="width:30%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Method Run against Non-Existing Collection
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Command Run against Non-Existing Collection
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<div class="line-block">
<div class="line">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.findAndModify/#mongodb-method-db.collection.findAndModify">
<code class="leafygreen-ui-1l06pbn">
db.collection.findAndModify()
</code>
</a>
with
<code class="leafygreen-ui-1l06pbn">
upsert: true
</code>
</div>
<div class="line">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.findOneAndReplace/#mongodb-method-db.collection.findOneAndReplace">
<code class="leafygreen-ui-1l06pbn">
db.collection.findOneAndReplace()
</code>
</a>
with
<code class="leafygreen-ui-1l06pbn">
upsert: true
</code>
</div>
<div class="line">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.findOneAndUpdate/#mongodb-method-db.collection.findOneAndUpdate">
<code class="leafygreen-ui-1l06pbn">
db.collection.findOneAndUpdate()
</code>
</a>
with
<code class="leafygreen-ui-1l06pbn">
upsert: true
</code>
</div>
</div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/findAndModify/#mongodb-dbcommand-dbcmd.findAndModify">
<code class="leafygreen-ui-1l06pbn">
findAndModify
</code>
</a>
with
<code class="leafygreen-ui-1l06pbn">
upsert: true
</code>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<div class="line-block">
<div class="line">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.insertMany/#mongodb-method-db.collection.insertMany">
<code class="leafygreen-ui-1l06pbn">
db.collection.insertMany()
</code>
</a>
</div>
<div class="line">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.insertOne/#mongodb-method-db.collection.insertOne">
<code class="leafygreen-ui-1l06pbn">
db.collection.insertOne()
</code>
</a>
</div>
</div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/insert/#mongodb-dbcommand-dbcmd.insert">
<code class="leafygreen-ui-1l06pbn">
insert
</code>
</a>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<div class="line-block">
<div class="line">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.updateOne/#mongodb-method-db.collection.updateOne">
<code class="leafygreen-ui-1l06pbn">
db.collection.updateOne()
</code>
</a>
with
<code class="leafygreen-ui-1l06pbn">
upsert: true
</code>
</div>
<div class="line">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.updateMany/#mongodb-method-db.collection.updateMany">
<code class="leafygreen-ui-1l06pbn">
db.collection.updateMany()
</code>
</a>
with
<code class="leafygreen-ui-1l06pbn">
upsert: true
</code>
</div>
<div class="line">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.replaceOne/#mongodb-method-db.collection.replaceOne">
<code class="leafygreen-ui-1l06pbn">
db.collection.replaceOne()
</code>
</a>
with
<code class="leafygreen-ui-1l06pbn">
upsert: true
</code>
</div>
</div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/update/#mongodb-dbcommand-dbcmd.update">
<code class="leafygreen-ui-1l06pbn">
update
</code>
</a>
with
<code class="leafygreen-ui-1l06pbn">
upsert: true
</code>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<div class="line-block">
<div class="line">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.bulkWrite/#mongodb-method-db.collection.bulkWrite">
<code class="leafygreen-ui-1l06pbn">
db.collection.bulkWrite()
</code>
</a>
with insert or
<code class="leafygreen-ui-1l06pbn">
upsert:true
</code>
operations
</div>
<div class="line">
Various
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/js-bulk/">
Bulk Operation Methods
</a>
with insert or
<code class="leafygreen-ui-1l06pbn">
upsert:true
</code>
operations
</div>
</div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<p class="leafygreen-ui-1kp3ins">
For other CRUD operations allowed in transactions, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-transactions-operations-crud" target="_self">
<span>
CRUD Operations
<!-- -->
.
</span>
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
For more information on creating collections and indexes in a
transaction, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-create-collections-indexes">
Create Collections and Indexes in a Transaction
<!-- -->
.
</a>
</p>
</section>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Informational Operations
<a class="headerlink leafygreen-ui-1kepx47" href="#informational-operations" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="informational-operations">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Informational commands, such as
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/hello/#mongodb-dbcommand-dbcmd.hello">
<code class="leafygreen-ui-1l06pbn">
hello
</code>
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/buildInfo/#mongodb-dbcommand-dbcmd.buildInfo">
<code class="leafygreen-ui-1l06pbn">
buildInfo
</code>
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/connectionStatus/#mongodb-dbcommand-dbcmd.connectionStatus">
<code class="leafygreen-ui-1l06pbn">
connectionStatus
</code>
</a>
(and their
helper methods) are allowed in transactions; however, they cannot be
the first operation in the transaction.
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-transactions-operations-ref-restricted">
</span>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Restricted Operations
<a class="headerlink leafygreen-ui-1kepx47" href="#restricted-operations" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="restricted-operations">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The following operations are not allowed in transactions:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Creating new collections in cross-shard write transactions. For
example, if you write to an existing collection in one shard and
implicitly create a collection in a different shard, MongoDB cannot
perform both operations in the same transaction.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-transactions-operations-ddl-explicit" target="_self">
<span>
Explicit creation of collections
</span>
</a>
, e.g.
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.createCollection/#mongodb-method-db.createCollection">
<code class="leafygreen-ui-1l06pbn">
db.createCollection()
</code>
</a>
method, and indexes, e.g.
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.createIndexes/#mongodb-method-db.collection.createIndexes">
<code class="leafygreen-ui-1l06pbn">
db.collection.createIndexes()
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.createIndex/#mongodb-method-db.collection.createIndex">
<code class="leafygreen-ui-1l06pbn">
db.collection.createIndex()
</code>
</a>
methods, when using a read
concern level other than
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/read-concern-local/#mongodb-readconcern-readconcern.-local-">
<code class="leafygreen-ui-1l06pbn">
"local"
</code>
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/listCollections/#mongodb-dbcommand-dbcmd.listCollections">
<code class="leafygreen-ui-1l06pbn">
listCollections
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/listIndexes/#mongodb-dbcommand-dbcmd.listIndexes">
<code class="leafygreen-ui-1l06pbn">
listIndexes
</code>
</a>
commands and their helper methods.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Other non-CRUD and non-informational operations, such as
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/createUser/#mongodb-dbcommand-dbcmd.createUser">
<code class="leafygreen-ui-1l06pbn">
createUser
</code>
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/getParameter/#mongodb-dbcommand-dbcmd.getParameter">
<code class="leafygreen-ui-1l06pbn">
getParameter
</code>
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/count/#mongodb-dbcommand-dbcmd.count">
<code class="leafygreen-ui-1l06pbn">
count
</code>
</a>
, etc. and their helpers.
</p>
</li>
</ul>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions-production-consideration/#std-label-txn-prod-considerations-ddl">
Pending DDL Operations and Transactions
</a>
</p>
</div>
</div>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/command/nav-plan-cache/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Query Plan Cache Commands
<a class="headerlink leafygreen-ui-1kepx47" href="#query-plan-cache-commands" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="query-plan-cache-commands">
</div>
</a>
</h1>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
For details on a specific command, including syntax and examples,
click on the link to the command's reference page.
</p>
</div>
</div>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:30%"/>
<col style="width:70%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Name
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/planCacheClear/#mongodb-dbcommand-dbcmd.planCacheClear">
<code class="leafygreen-ui-1l06pbn">
planCacheClear
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Removes cached query plan(s) for a collection.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/planCacheClearFilters/#mongodb-dbcommand-dbcmd.planCacheClearFilters">
<code class="leafygreen-ui-1l06pbn">
planCacheClearFilters
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Clears index filter(s) for a collection.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/planCacheListFilters/#mongodb-dbcommand-dbcmd.planCacheListFilters">
<code class="leafygreen-ui-1l06pbn">
planCacheListFilters
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Lists the index filters for a collection.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/planCacheSetFilter/#mongodb-dbcommand-dbcmd.planCacheSetFilter">
<code class="leafygreen-ui-1l06pbn">
planCacheSetFilter
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Sets an index filter for a collection.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, use query settings instead of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/query-plans/#std-label-index-filters">
index
filters
</a>
. Index filters are deprecated starting in
MongoDB 8.0. To add query settings and explore examples, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/setQuerySettings/#mongodb-dbcommand-dbcmd.setQuerySettings">
<code class="leafygreen-ui-1l06pbn">
setQuerySettings
</code>
.
</a>
</p>
</section>
|
https://www.mongodb.com/docs/manual/reference/method/sh.balancerCollectionStatus/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
sh.balancerCollectionStatus()
<a class="headerlink leafygreen-ui-1kepx47" href="#sh.balancercollectionstatus--" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="sh.balancercollectionstatus--">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
<span>
Definition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#compatibility" target="_self">
<span>
Compatibility
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#syntax" target="_self">
<span>
Syntax
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#access-control" target="_self">
<span>
Access Control
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#examples" target="_self">
<span>
Examples
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Definition
<a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="definition">
</div>
</a>
</h2>
<dl class="method">
<dt>
<code class="leafygreen-ui-1l06pbn">
sh.balancerCollectionStatus(namespace)
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-method-sh.balancerCollectionStatus" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-method-sh.balancerCollectionStatus">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Returns a document that contains information about whether the
chunks of a sharded collection are balanced (i.e. do not need to be
moved) as of the time the command is run or need to be moved because
of draining shards, zone violation or imbalance of chunks across
shards.
</p>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
mongosh Method
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
This page documents a
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
method. This is
<em>
not
</em>
the documentation for database commands or language-specific drivers,
such as Node.js.
</p>
<p class="leafygreen-ui-1kp3ins">
For the database command, see the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/balancerCollectionStatus/#mongodb-dbcommand-dbcmd.balancerCollectionStatus">
<code class="leafygreen-ui-1l06pbn">
balancerCollectionStatus
</code>
</a>
command
<!-- -->
.
</p>
<p class="leafygreen-ui-1kp3ins">
For MongoDB API drivers, refer to the language-specific
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/drivers/" target="_self">
<span>
MongoDB driver documentation
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
</dd>
</dl>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Compatibility
<a class="headerlink leafygreen-ui-1kepx47" href="#compatibility" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="compatibility">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
This method is available in deployments hosted in the following environments:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas?tck=docs_server" target="_self">
<span>
MongoDB Atlas
</span>
</a>
: The fully
managed service for MongoDB deployments in the cloud
</p>
</li>
</ul>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
This command is not supported in serverless instances.
For more information, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/unsupported-commands/" target="_self">
<span>
Unsupported Commands
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-enterprise/#std-label-install-mdb-enterprise">
MongoDB Enterprise
</a>
: The
subscription-based, self-managed version of MongoDB
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-community/#std-label-install-mdb-community-edition">
MongoDB Community
</a>
: The
source-available, free-to-use, and self-managed version of MongoDB
</p>
</li>
</ul>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Syntax
<a class="headerlink leafygreen-ui-1kepx47" href="#syntax" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="syntax">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-sh.balancerCollectionStatus" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
sh.balancerCollectionStatus()
</code>
</span>
</a>
has the following form:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sh.balancerCollectionStatus( <namespace> )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sh.<span class="lg-highlight-title lg-highlight-function">balancerCollectionStatus</span>( <<!-- -->namespace<!-- -->> <!-- -->)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
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</div>
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</div>
</div>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Parameter
<a class="headerlink leafygreen-ui-1kepx47" href="#parameter" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="parameter">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-sh.balancerCollectionStatus" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
sh.balancerCollectionStatus()
</code>
</span>
</a>
method takes the following parameter:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:20%"/>
<col style="width:60%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Parameter
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Type
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-method-balancercollectionstatus-namespace" target="_self">
<span>
namespace
</span>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
String
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-method-balancercollectionstatus-namespace">
</span>
<p class="leafygreen-ui-1kp3ins">
The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-namespace">
namespace
</a>
of the collection to shard in the form
<code class="leafygreen-ui-1l06pbn">
"<database>.<collection>"
</code>
.
</p>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Access Control
<a class="headerlink leafygreen-ui-1kepx47" href="#access-control" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="access-control">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
When running with access control, the user must have the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#mongodb-authaction-enableSharding">
<code class="leafygreen-ui-1l06pbn">
enableSharding
</code>
</a>
privilege actions on
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/resource-document/#std-label-resource-specific-db-and-or-collection">
database
and/or collection
</a>
to run the
method. That is, a user must have a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/authorization/#std-label-roles">
role
</a>
that grants the
following
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/authorization/#std-label-privileges">
privilege
<!-- -->
:
</a>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ resource: { db: <database>, collection: <collection> }, actions: [ \"enableSharding\" ] }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">resource</span>: <!-- -->{ <span class="lg-highlight-attr">db</span>: <<!-- -->database<!-- -->><!-- -->,<!-- --> <span class="lg-highlight-attr">collection</span>: <<!-- -->collection<!-- -->> <!-- -->}<!-- -->, <span class="lg-highlight-attr">actions</span>: <!-- -->[ <span class="lg-highlight-string">"enableSharding"</span> ] }</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The built-in
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/built-in-roles/#mongodb-authrole-clusterManager">
<code class="leafygreen-ui-1l06pbn">
clusterManager
</code>
</a>
role provides the appropriate
privileges.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Examples
<a class="headerlink leafygreen-ui-1kepx47" href="#examples" title="Permalink to this heading">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="examples">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
To check whether the chunks of a sharded collection
<code class="leafygreen-ui-1l06pbn">
test.contacts
</code>
is currently in balance, connect to a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance
and issue the following:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sh.balancerCollectionStatus(\"test.contacts\")","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sh.<span class="lg-highlight-title lg-highlight-function">balancerCollectionStatus</span>(<span class="lg-highlight-string">"test.contacts"</span>)</td></tr></tbody></table></code></pre>
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
If the chunks for the collection do not need to be moved, the method
returns an output similar to the following:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n \"balancerCompliant\" : true,\n \"ok\" : 1,\n \"operationTime\" : Timestamp(1583193238, 1),\n \"$clusterTime\" : {\n \"clusterTime\" : Timestamp(1583193238, 1),\n \"signature\" : {\n \"hash\" : BinData(0,\"AAAAAAAAAAAAAAAAAAAAAAAAAAA=\"),\n \"keyId\" : NumberLong(0)\n }\n }\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"balancerCompliant"</span> <!-- -->: <span class="lg-highlight-literal">true</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"ok"</span> <!-- -->: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"operationTime"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Timestamp</span>(<span class="lg-highlight-number">1583193238</span>, <span class="lg-highlight-number">1</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"$clusterTime"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"clusterTime"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">Timestamp</span>(<span class="lg-highlight-number">1583193238</span>, <span class="lg-highlight-number">1</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"signature"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"hash"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">BinData</span>(<span class="lg-highlight-number">0</span>,<span class="lg-highlight-string">"AAAAAAAAAAAAAAAAAAAAAAAAAAA="</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"keyId"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">NumberLong</span>(<span class="lg-highlight-number">0</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-balancer-collection-status-defrag-output-method">
</span>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Ongoing Defragmentation Process
<a class="headerlink leafygreen-ui-1kepx47" href="#ongoing-defragmentation-process" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="ongoing-defragmentation-process">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
If the queried namespace is going through chunk defragmentation, the
<code class="leafygreen-ui-1l06pbn">
sh.balancerCollectionStatus
</code>
method
<!-- -->
returns output similar to the following:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n \"chunkSize\": Long(\"128\"),\n \"balancerCompliant\": false,\n \"firstComplianceViolation\": \"defragmentingChunks\",\n \"details\": {\n \"currentPhase\": \"moveAndMergeChunks\",\n \"progress\": { \"remainingChunksToProcess\": 1 }\n }\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"chunkSize"</span>: <span class="lg-highlight-title lg-highlight-class">Long</span>(<span class="lg-highlight-string">"128"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"balancerCompliant"</span>: <span class="lg-highlight-literal">false</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"firstComplianceViolation"</span>: <span class="lg-highlight-string">"defragmentingChunks"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"details"</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"currentPhase"</span>: <span class="lg-highlight-string">"moveAndMergeChunks"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"progress"</span>: <!-- -->{ <span class="lg-highlight-string">"remainingChunksToProcess"</span>: <span class="lg-highlight-number">1</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Chunk defragmentation occurs in multiple phases. The
<code class="leafygreen-ui-1l06pbn">
progress
</code>
field
only pertains to the current phase.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For the description of the output, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/balancerCollectionStatus/#std-label-cmd-balancer-CollectionStatus-output">
balancerCollectionStatus
Output
<!-- -->
.
</a>
</p>
</section>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/method/cursor.itcount/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
cursor.itcount()
<a class="headerlink leafygreen-ui-1kepx47" href="#cursor.itcount--" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="cursor.itcount--">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
<span>
Definition
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Definition
<a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="definition">
</div>
</a>
</h2>
<dl class="method">
<dt>
<code class="leafygreen-ui-1l06pbn">
cursor.itcount()
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-method-cursor.itcount" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-method-cursor.itcount">
</div>
</a>
</dt>
<dd>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
mongosh Method
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
This page documents a
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
method. This is
<em>
not
</em>
the documentation for a language-specific driver, such as Node.js.
</p>
<p class="leafygreen-ui-1kp3ins">
For MongoDB API drivers, refer to the language-specific
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/drivers/" target="_self">
<span>
MongoDB driver documentation
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Counts the number of documents remaining in a cursor.
</p>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-cursor.itcount" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
itcount()
</code>
</span>
</a>
is similar to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/cursor.count/#mongodb-method-cursor.count">
<code class="leafygreen-ui-1l06pbn">
cursor.count()
</code>
</a>
, but
actually executes the query on an existing iterator, exhausting its contents
in the process.
</p>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-cursor.itcount" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
itcount()
</code>
</span>
</a>
method has the following
prototype form:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.collection.find(<query>).itcount()","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">collection</span>.<span class="lg-highlight-title lg-highlight-function">find</span>(<<!-- -->query<!-- -->><!-- -->).<span class="lg-highlight-title lg-highlight-function">itcount</span>(<!-- -->)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/cursor.count/#mongodb-method-cursor.count">
<code class="leafygreen-ui-1l06pbn">
cursor.count()
</code>
</a>
</p>
</div>
</div>
</dd>
</dl>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/command/balancerStart/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
balancerStart
<a class="headerlink leafygreen-ui-1kepx47" href="#balancerstart" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="balancerstart">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
<span>
Definition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#compatibility" target="_self">
<span>
Compatibility
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#syntax" target="_self">
<span>
Syntax
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#example" target="_self">
<span>
Example
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Definition
<a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="definition">
</div>
</a>
</h2>
<dl class="dbcommand">
<dt>
<code class="leafygreen-ui-1l06pbn">
balancerStart
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-dbcommand-dbcmd.balancerStart" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-dbcommand-dbcmd.balancerStart">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Starts the balancer thread. The command does not wait for a
balancing round to start.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
In
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#std-program-mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
, this command can also be run through the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/sh.startBalancer/#mongodb-method-sh.startBalancer">
<code class="leafygreen-ui-1l06pbn">
sh.startBalancer()
</code>
</a>
helper method
<!-- -->
.
</p>
<p class="leafygreen-ui-1kp3ins">
Helper methods are convenient for
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#std-program-mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
users, but they may not
return the same level of information as database commands. In cases where
the convenience is not needed or the additional return fields are required,
use the database command.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 6.0.3, automatic chunk splitting is not performed.
This is because of balancing policy improvements. Auto-splitting commands
still exist, but do not perform an operation.
</p>
<p class="leafygreen-ui-1kp3ins">
In MongoDB versions earlier than 6.1, the command enables
auto-splitting for the sharded cluster. To disable auto-splitting
when the balancer is enabled, you can use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/sh.disableAutoSplit/#mongodb-method-sh.disableAutoSplit">
<code class="leafygreen-ui-1l06pbn">
sh.disableAutoSplit()
</code>
.
</a>
</p>
</dd>
</dl>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Compatibility
<a class="headerlink leafygreen-ui-1kepx47" href="#compatibility" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="compatibility">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
This command is available in deployments hosted in the following environments:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas?tck=docs_server" target="_self">
<span>
MongoDB Atlas
</span>
</a>
: The fully
managed service for MongoDB deployments in the cloud
</p>
</li>
</ul>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
This command is not supported in serverless instances.
For more information, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/unsupported-commands/" target="_self">
<span>
Unsupported Commands
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-enterprise/#std-label-install-mdb-enterprise">
MongoDB Enterprise
</a>
: The
subscription-based, self-managed version of MongoDB
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-community/#std-label-install-mdb-community-edition">
MongoDB Community
</a>
: The
source-available, free-to-use, and self-managed version of MongoDB
</p>
</li>
</ul>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Syntax
<a class="headerlink leafygreen-ui-1kepx47" href="#syntax" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="syntax">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
You can only issue the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.balancerStart" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
balancerStart
</code>
</span>
</a>
against the
<code class="leafygreen-ui-1l06pbn">
admin
</code>
database on a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance.
</p>
<p class="leafygreen-ui-1kp3ins">
The command has the following syntax:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.adminCommand(\n {\n balancerStart: 1,\n maxTimeMS: <number>\n }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">adminCommand</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">balancerStart</span>: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">maxTimeMS</span>: <<!-- -->number<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
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</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Command Fields
<a class="headerlink leafygreen-ui-1kepx47" href="#command-fields" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="command-fields">
</div>
</a>
</h3>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:20%"/>
<col style="width:80%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Field
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Type
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
balancerStart
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
any
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Any value.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
maxTimeMS
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
integer
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Optional. Time limit for enabling the balancer.
</p>
<p class="leafygreen-ui-1kp3ins">
Defaults to 60000 milliseconds.
</p>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Example
<a class="headerlink leafygreen-ui-1kepx47" href="#example" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="example">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
To start the balancer thread, connect to a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance
and issue the following command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.adminCommand( { balancerStart: 1 } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">adminCommand</span>( <!-- -->{ <span class="lg-highlight-attr">balancerStart</span>: <span class="lg-highlight-number">1</span> } )</td></tr></tbody></table></code></pre>
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</div>
</div>
</div>
</div>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/sh.startBalancer/#mongodb-method-sh.startBalancer">
<code class="leafygreen-ui-1l06pbn">
sh.startBalancer()
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.balancerStart" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
balancerStart
</code>
</span>
</a>
</p>
</li>
</ul>
</div>
</div>
</section>
</section>
|
https://www.mongodb.com/docs/manual/core/csfle/install/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Installation Requirements
<a class="headerlink leafygreen-ui-1kepx47" href="#installation-requirements" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="installation-requirements">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#overview" target="_self">
<span>
Overview
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#what-you-need" target="_self">
<span>
What You Need
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#learn-more" target="_self">
<span>
Learn More
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Overview
<a class="headerlink leafygreen-ui-1kepx47" href="#overview" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="overview">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Learn about the applications and libraries you must install to use
Client-Side Field Level Encryption (CSFLE).
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
What You Need
<a class="headerlink leafygreen-ui-1kepx47" href="#what-you-need" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="what-you-need">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Before you can use CSFLE, you must set up the following items
in your development environment:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
(Optional) Download the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/csfle/reference/install-library/#std-label-csfle-reference-shared-library-download">
Automatic Encryption Shared Library
</a>
.
The Automatic Encryption Shared Library is a preferred alternative to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/csfle/reference/install-library/#std-label-csfle-reference-mongocryptd">
mongocryptd
</a>
and
does not require spawning a new process.
<code class="leafygreen-ui-1l06pbn">
mongocryptd
</code>
is still supported.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Install
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/manual/installation/#mongodb-enterprise-edition-installation-tutorials" target="_self">
<span>
MongoDB Enterprise Edition
<!-- -->
.
</span>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Install a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/queryable-encryption/reference/compatibility/#std-label-csfle-driver-compatibility">
MongoDB Driver Compatible with CSFLE
<!-- -->
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Start a
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/manual/tutorial/manage-mongodb-processes/#start-mongod-processes" target="_self">
<span>
MongoDB instance
</span>
</a>
or
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/getting-started/?jmp=docs" target="_self">
<span>
Atlas Cluster
<!-- -->
.
</span>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Install specific driver dependencies. To see the list of
dependencies for your driver, select the tab corresponding to the language you
would like to use to complete this guide:
</p>
</li>
</ul>
<span class="leafygreen-ui-1qnjd6d" id="std-label-csfle-quick-start-driver-dependencies">
</span>
<div aria-hidden="true">
</div>
<div class="leafygreen-ui-1b75luy" data-lgid="lg-tabs">
<div class="leafygreen-ui-jp7pox" id="tabs-6">
<div aria-label="Tabs to describe usage of drivers" aria-orientation="horizontal" class="leafygreen-ui-m8p1vb lg-ui-tab-list-0000" data-lgid="lg-tabs-tab_list" role="tablist">
<button aria-controls="_402mpkcew" aria-selected="true" class="leafygreen-ui-1l773z1" data-text="" id="_slfbp78ev" name="" role="tab" tabindex="0">
<div class="leafygreen-ui-1nxuzmg">
C#
</div>
</button>
<button aria-controls="_snpiacxcj" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_7dft5gygx" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Go
</div>
</button>
<button aria-controls="_d09idtz3u" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_igp5pfidq" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Java (Sync)
</div>
</button>
<button aria-controls="_nyioezzia" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_8h0zry7yd" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Node.js
</div>
</button>
<button aria-controls="_yezuoe2i9" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_i11vzk70j" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Python
</div>
</button>
</div>
<div class="leafygreen-ui-ov1ktg">
<div class="leafygreen-ui-1sg2lsz">
</div>
</div>
</div>
<div class="lg-ui-tab-panels-0000" data-lgid="lg-tabs-tab_panels">
<div>
<div aria-labelledby="_xxfqls2ey" class="" id="_66bwazkzo" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:30%"/>
<col style="width:70%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Dependency Name
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x64 Support
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
CSFLE requires x64 support.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
</div>
<div>
<div aria-labelledby="_nw4tw7oss" class="leafygreen-ui-38lglc" id="_swvqrl5rk" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:30%"/>
<col style="width:70%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Dependency Name
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/csfle/reference/libmongocrypt/#std-label-csfle-reference-libmongocrypt">
Install libmongocrypt for CSFLE
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The
<code class="leafygreen-ui-1l06pbn">
libmongocrypt
</code>
library contains bindings to communicate
with the native library that manages the encryption.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
</div>
<div>
<div aria-labelledby="_8uycpe995" class="leafygreen-ui-38lglc" id="_t26pvewhd" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:30%"/>
<col style="width:70%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Dependency Name
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://mvnrepository.com/artifact/org.mongodb/mongodb-crypt" rel="noopener noreferrer">
<span>
mongodb-crypt
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The
<code class="leafygreen-ui-1l06pbn">
mongodb-crypt
</code>
library contains bindings to communicate
with the native library that manages the encryption.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
</div>
<div>
<div aria-labelledby="_bzy0jehwv" class="leafygreen-ui-38lglc" id="_jl53mrdwo" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:30%"/>
<col style="width:70%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Dependency Name
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.npmjs.com/package/mongodb-client-encryption" rel="noopener noreferrer">
<span>
mongodb-client-encryption
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
NodeJS wrapper for the
<code class="leafygreen-ui-1l06pbn">
libmongocrypt
</code>
encryption library.
The
<code class="leafygreen-ui-1l06pbn">
libmongocrypt
</code>
library contains bindings to communicate
with the native library that manages the encryption.
</p>
<p class="leafygreen-ui-1kp3ins">
When using Node.js driver version
<code class="leafygreen-ui-1l06pbn">
6.0.0
</code>
or later,
<code class="leafygreen-ui-1l06pbn">
mongodb-client-encryption
</code>
must have the same major version number as the driver.
</p>
<p class="leafygreen-ui-1kp3ins">
For example, Node.js driver v6.x.x requires
<code class="leafygreen-ui-1l06pbn">
mongodb-client-encryption
</code>
v6.x.x.
</p>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
</div>
<div>
<div aria-labelledby="_uuk1gxuva" class="leafygreen-ui-38lglc" id="_suz27d51v" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:30%"/>
<col style="width:70%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Dependency Name
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://pypi.org/project/pymongocrypt/" rel="noopener noreferrer">
<span>
pymongocrypt
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Python wrapper for the
<code class="leafygreen-ui-1l06pbn">
libmongocrypt
</code>
encryption library.
The
<code class="leafygreen-ui-1l06pbn">
libmongocrypt
</code>
library contains bindings to communicate
with the native library that manages the encryption.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Learn More
<a class="headerlink leafygreen-ui-1kepx47" href="#learn-more" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="learn-more">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
To start using CSFLE, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/csfle/quick-start/#std-label-csfle-quick-start">
Quick Start
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
To learn how to use CSFLE with a remote Key Management System
provider, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/csfle/tutorials/#std-label-csfle-tutorial-automatic-encryption">
Tutorials
<!-- -->
.
</a>
</p>
</section>
</section>
|
https://www.mongodb.com/docs/manual/core/indexes/index-types/index-hashed/create/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Create a Hashed Index
<a class="headerlink leafygreen-ui-1kepx47" href="#create-a-hashed-index" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="create-a-hashed-index">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#about-this-task" target="_self">
<span>
About this Task
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#choose-a-hashed-shard-key" target="_self">
<span>
Choose a Hashed Shard Key
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#before-you-begin" target="_self">
<span>
Before You Begin
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#examples" target="_self">
<span>
Examples
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#create-a-single-field-hashed-index" target="_self">
<span>
Create a Single-Field Hashed Index
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#create-a-compound-hashed-index" target="_self">
<span>
Create a Compound Hashed Index
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#learn-more" target="_self">
<span>
Learn More
</span>
</a>
</li>
</ul>
</div>
<p class="leafygreen-ui-1kp3ins">
To enable sharding for a collection that already contains data, you must
create an index that supports the shard key. To enable sharding for an
empty collection, you can instead specify the shard key index when you
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-shard-a-collection/#std-label-sharding-shard-key-creation">
shard the collection
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
Hashed indexes support
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/hashed-sharding/#std-label-sharding-hashed">
hashed sharding
</a>
, where
data is distributed across shards based on the hashes of shard key
values.
</p>
<p class="leafygreen-ui-1kp3ins">
To create a single-field hashed index, specify
<code class="leafygreen-ui-1l06pbn">
hashed
</code>
as the value
of the index key:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.<collection>.createIndex(\n {\n <field>: \"hashed\"\n }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<!-- --><<!-- -->collection<!-- -->><!-- -->.<span class="lg-highlight-title lg-highlight-function">createIndex</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <<!-- -->field<!-- -->><!-- -->: <span class="lg-highlight-string">"hashed"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
To create a hashed index that contains multiple fields (a compound
hashed index), specify
<code class="leafygreen-ui-1l06pbn">
hashed
</code>
as the value of a
<em>
single
</em>
index key.
For other index keys, specify the sort order (
<code class="leafygreen-ui-1l06pbn">
1
</code>
or
<code class="leafygreen-ui-1l06pbn">
-1
</code>
):
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.<collection>.createIndex(\n {\n <field1>: \"hashed\",\n <field2>: \"<sort>\",\n <field3>: \"<sort>\",\n ...\n }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<!-- --><<!-- -->collection<!-- -->><!-- -->.<span class="lg-highlight-title lg-highlight-function">createIndex</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <<!-- -->field1<!-- -->><!-- -->: <span class="lg-highlight-string">"hashed"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <<!-- -->field2<!-- -->><!-- -->: <span class="lg-highlight-string">"<sort order>"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <<!-- -->field3<!-- -->><!-- -->: <span class="lg-highlight-string">"<sort order>"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->...</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
About this Task
<a class="headerlink leafygreen-ui-1kepx47" href="#about-this-task" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="about-this-task">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Hashed indexing is ideal for shard keys with fields that change
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-choose-a-shard-key/#std-label-shard-key-monotonic">
monotonically
</a>
like
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-ObjectId">
ObjectId
</a>
values
or timestamps. When you use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/ranged-sharding/#std-label-sharding-ranged">
ranged sharding
</a>
with a monotonically increasing shard key value, the chunk with an upper
bound of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/mongodb-extended-json/#mongodb-bsontype-MaxKey">
<code class="leafygreen-ui-1l06pbn">
MaxKey
</code>
</a>
receives the majority incoming writes. This
behavior restricts insert operations to a single shard, which removes
the advantage of distributed writes in a sharded cluster.
</p>
<p class="leafygreen-ui-1kp3ins">
For more information on choosing the best sharding approach for your
application, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/hashed-sharding/#std-label-hashed-versus-ranged-sharding">
Hashed vs Ranged Sharding
</a>
</p>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Choose a Hashed Shard Key
<a class="headerlink leafygreen-ui-1kepx47" href="#choose-a-hashed-shard-key" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="choose-a-hashed-shard-key">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Consider the following guidelines for your hashed shard key:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The field you choose for your hashed shard key should have a high
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-choose-a-shard-key/#std-label-shard-key-range">
cardinality
</a>
, meaning a large number of
different values.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If your data model does not contain a single field with high
cardinality, consider creating a
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-compound-hashed-index-example" target="_self">
<span>
compound hashed index
</span>
</a>
. A compound hashed index provides
more unique indexed values and can increase cardinality.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Your shard key should support common query patterns. Range queries
(like
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/query/gt/#mongodb-query-op.-gt">
<code class="leafygreen-ui-1l06pbn">
$gt
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/query/lt/#mongodb-query-op.-lt">
<code class="leafygreen-ui-1l06pbn">
$lt
</code>
</a>
) cannot use a hashed index. If
your application often performs range queries on the fields included
in your shard key, consider range-based sharding instead.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
A hashed index can contain up to 32 fields.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Before You Begin
<a class="headerlink leafygreen-ui-1kepx47" href="#before-you-begin" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="before-you-begin">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
To implement hashed sharding, you must
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/deploy-shard-cluster/#std-label-sharding-procedure-setup">
deploy a sharded cluster
<!-- -->
.
</a>
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Examples
<a class="headerlink leafygreen-ui-1kepx47" href="#examples" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="examples">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The following examples show you how to:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-single-hashed-index-example" target="_self">
<span>
Create a Single-Field Hashed Index
</span>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-compound-hashed-index-example" target="_self">
<span>
Create a Compound Hashed Index
</span>
</a>
</p>
</li>
</ul>
<span class="leafygreen-ui-1qnjd6d" id="std-label-single-hashed-index-example">
</span>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Create a Single-Field Hashed Index
<a class="headerlink leafygreen-ui-1kepx47" href="#create-a-single-field-hashed-index" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="create-a-single-field-hashed-index">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Consider an
<code class="leafygreen-ui-1l06pbn">
orders
</code>
collection that already contains data. Create a
hashed index in the
<code class="leafygreen-ui-1l06pbn">
orders
</code>
collection on the
<code class="leafygreen-ui-1l06pbn">
_id
</code>
field:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.orders.createIndex( { _id: \"hashed\" } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">orders</span>.<span class="lg-highlight-title lg-highlight-function">createIndex</span>( <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-string">"hashed"</span> } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
_id
</code>
field increases monotonically, which makes it a good
candidate for a hashed index key. Although
<code class="leafygreen-ui-1l06pbn">
_id
</code>
values incrementally
increase, when MongoDB generates a hash for individual
<code class="leafygreen-ui-1l06pbn">
_id
</code>
values,
those hashed values are unlikely to be on the same
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-chunk">
chunk
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
After you create the index, you can shard the
<code class="leafygreen-ui-1l06pbn">
orders
</code>
collection:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sh.shardCollection(\n \"<database>.orders\",\n { _id: \"hashed\" }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sh.<span class="lg-highlight-title lg-highlight-function">shardCollection</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"<database>.orders"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-string">"hashed"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-compound-hashed-index-example">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Create a Compound Hashed Index
<a class="headerlink leafygreen-ui-1kepx47" href="#create-a-compound-hashed-index" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="create-a-compound-hashed-index">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Consider a
<code class="leafygreen-ui-1l06pbn">
customers
</code>
collection that already contains data. Create a
compound hashed index in the
<code class="leafygreen-ui-1l06pbn">
customers
</code>
collection on the
<code class="leafygreen-ui-1l06pbn">
name
</code>
,
<code class="leafygreen-ui-1l06pbn">
address
</code>
, and
<code class="leafygreen-ui-1l06pbn">
birthday
</code>
fields:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.customers.createIndex(\n {\n \"name\" : 1\n \"address\" : \"hashed\",\n \"birthday\" : -1\n }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">customers</span>.<span class="lg-highlight-title lg-highlight-function">createIndex</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"name"</span> <!-- -->: <span class="lg-highlight-number">1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"address"</span> <!-- -->: <span class="lg-highlight-string">"hashed"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"birthday"</span> <!-- -->: <!-- -->-<span class="lg-highlight-number">1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
When you create a compound hashed index, you must specify
<code class="leafygreen-ui-1l06pbn">
hashed
</code>
as
the value of a
<em>
single
</em>
index key. For other index keys, specify the
sort order (
<code class="leafygreen-ui-1l06pbn">
1
</code>
or
<code class="leafygreen-ui-1l06pbn">
-1
</code>
). In the preceding index,
<code class="leafygreen-ui-1l06pbn">
address
</code>
is the
hashed field.
</p>
<p class="leafygreen-ui-1kp3ins">
After you create the index, you can shard the
<code class="leafygreen-ui-1l06pbn">
customers
</code>
collection:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sh.shardCollection(\n \"<database>.customers\",\n {\n \"name\" : 1\n \"address\" : \"hashed\",\n \"birthday\" : -1\n }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sh.<span class="lg-highlight-title lg-highlight-function">shardCollection</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"<database>.customers"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"name"</span> <!-- -->: <span class="lg-highlight-number">1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"address"</span> <!-- -->: <span class="lg-highlight-string">"hashed"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"birthday"</span> <!-- -->: <!-- -->-<span class="lg-highlight-number">1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</div>
</div>
</div>
</div>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Learn More
<a class="headerlink leafygreen-ui-1kepx47" href="#learn-more" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="learn-more">
</div>
</a>
</h2>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/hashed-sharding/#std-label-sharding-hashed">
Hashed Sharding
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-choose-a-shard-key/#std-label-sharding-shard-key-selection">
Choose a Shard Key
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/hashed-sharding/#std-label-hashed-versus-ranged-sharding">
Hashed vs Ranged Sharding
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/deploy-shard-cluster/#std-label-sharding-procedure-setup">
Deploy a Self-Managed Sharded Cluster
</a>
</p>
</li>
</ul>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/operator/aggregation/millisecond/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
$millisecond (aggregation)
<a class="headerlink leafygreen-ui-1kepx47" href="#-millisecond--aggregation-" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="-millisecond--aggregation-">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
<span>
Definition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#behavior" target="_self">
<span>
Behavior
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#example" target="_self">
<span>
Example
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Definition
<a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="definition">
</div>
</a>
</h2>
<dl class="expression">
<dt>
<code class="leafygreen-ui-1l06pbn">
$millisecond
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-expression-exp.-millisecond" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-expression-exp.-millisecond">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Returns the millisecond portion of a date as an integer between 0
and 999.
</p>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-expression-exp.-millisecond" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$millisecond
</code>
</span>
</a>
expression has the following
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/#std-label-aggregation-expressions">
operator expression syntax
<!-- -->
:
</a>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ $millisecond: <dateexpression> }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">$millisecond</span>: <<!-- -->dateExpression<!-- -->> <!-- -->}</td></tr></tbody></table></code></pre>
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The argument can be:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
An
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/#std-label-aggregation-expressions">
expression
</a>
that resolves to a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/bson-types/#std-label-document-bson-type-date">
Date
</a>
, a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/bson-types/#std-label-document-bson-type-timestamp">
Timestamp
</a>
, or an
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/bson-types/#std-label-document-bson-type-object-id">
ObjectID
<!-- -->
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
A document with this format:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ date: <dateexpression>, timezone: <tzexpression> }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">date</span>: <<!-- -->dateExpression<!-- -->><!-- -->,<!-- --> <span class="lg-highlight-attr">timezone</span>: <<!-- -->tzExpression<!-- -->> <!-- -->}</td></tr></tbody></table></code></pre>
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</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:25%"/>
<col style="width:75%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Field
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
date
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
The date to which the operator is applied.
<code class="leafygreen-ui-1l06pbn">
<dateExpression>
</code>
must be a valid
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/#std-label-aggregation-expressions">
expression
</a>
that resolves to a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/bson-types/#std-label-document-bson-type-date">
Date
</a>
, a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/bson-types/#std-label-document-bson-type-timestamp">
Timestamp
</a>
,
or an
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/bson-types/#std-label-document-bson-type-object-id">
ObjectID
<!-- -->
.
</a>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
timezone
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Optional. The timezone of the operation result.
<code class="leafygreen-ui-1l06pbn">
<tzExpression>
</code>
must be a valid
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/#std-label-aggregation-expressions">
expression
</a>
that resolves to a string formatted as either
an
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://en.wikipedia.org/wiki/List_of_tz_database_time_zones" rel="noopener noreferrer">
<span>
Olson Timezone Identifier
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
or a
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://en.wikipedia.org/wiki/List_of_UTC_time_offsets" rel="noopener noreferrer">
<span>
UTC Offset
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
.
If no
<code class="leafygreen-ui-1l06pbn">
timezone
</code>
is provided, the result is in UTC.
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:30%"/>
<col style="width:70%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Format
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Examples
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
Olson Timezone Identifier
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"\"America/New_York\"\n\"Europe/London\"\n\"GMT\""}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">"America/New_York"</td></tr><tr class=""><td class="leafygreen-ui-7razhx">"Europe/London"</td></tr><tr class=""><td class="leafygreen-ui-7razhx">"GMT"</td></tr></tbody></table></code></pre>
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</div>
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</div>
</div>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
UTC Offset
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"+/-[hh]:[mm], e.g. \"+04:45\"\n+/-[hh][mm], e.g. \"-0530\"\n+/-[hh], e.g. \"+03\""}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">+/-[hh]:[mm], e.g. "+04:45"</td></tr><tr class=""><td class="leafygreen-ui-7razhx">+/-[hh][mm], e.g. "-0530"</td></tr><tr class=""><td class="leafygreen-ui-7razhx">+/-[hh], e.g. "+03"</td></tr></tbody></table></code></pre>
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<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</li>
</ul>
</dd>
</dl>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Behavior
<a class="headerlink leafygreen-ui-1kepx47" href="#behavior" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="behavior">
</div>
</a>
</h2>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:90%"/>
<col style="width:10%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Example
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Result
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ $millisecond: new Date(\"2016-01-01\") }","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1agdxuk" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">$millisecond</span>: <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Date</span>(<span class="lg-highlight-string">"2016-01-01"</span>) }</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ $millisecond: { date: new Date(\"Jan 7, 2003\") } }","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1agdxuk" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">$millisecond</span>: <!-- -->{ <span class="lg-highlight-attr">date</span>: <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Date</span>(<span class="lg-highlight-string">"Jan 7, 2003"</span>) } }</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ $millisecond: {\n date: new Date(\"August 14, 2011\"),\n timezone: \"America/Chicago\"\n} }","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">$millisecond</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">date</span>: <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Date</span>(<span class="lg-highlight-string">"August 14, 2011"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">timezone</span>: <span class="lg-highlight-string">"America/Chicago"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">} }</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ $millisecond: ISODate(\"1998-11-07T00:00:00Z\") }","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1agdxuk" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">$millisecond</span>: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"1998-11-07T00:00:00Z"</span>) }</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ $millisecond: {\n date: ISODate(\"1998-11-07T00:00:00Z\"),\n timezone: \"-0400\"\n} }","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">$millisecond</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">date</span>: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"1998-11-07T00:00:00Z"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">timezone</span>: <span class="lg-highlight-string">"-0400"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">} }</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
0
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ $millisecond: \"March 28, 1976\" }","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1agdxuk" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">$millisecond</span>: <span class="lg-highlight-string">"March 28, 1976"</span> }</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
error
</code>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ $millisecond: Date(\"2016-01-01\") }","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1agdxuk" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">$millisecond</span>: <span class="lg-highlight-title lg-highlight-class">Date</span>(<span class="lg-highlight-string">"2016-01-01"</span>) }</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
error
</code>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ $millisecond: \"2009-04-09\" }","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1agdxuk" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">$millisecond</span>: <span class="lg-highlight-string">"2009-04-09"</span> }</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
error
</code>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
$millisecond cannot take a string as an argument.
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Example
<a class="headerlink leafygreen-ui-1kepx47" href="#example" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="example">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Consider a
<code class="leafygreen-ui-1l06pbn">
sales
</code>
collection with the following document:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n \"_id\" : 1,\n \"item\" : \"abc\",\n \"price\" : 10,\n \"quantity\" : 2,\n \"date\" : ISODate(\"2014-01-01T08:15:39.736Z\")\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"item"</span> <!-- -->: <span class="lg-highlight-string">"abc"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"price"</span> <!-- -->: <span class="lg-highlight-number">10</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"quantity"</span> <!-- -->: <span class="lg-highlight-number">2</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"date"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2014-01-01T08:15:39.736Z"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The following aggregation uses the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-expression-exp.-millisecond" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$millisecond
</code>
</span>
</a>
and other
date operators to break down the
<code class="leafygreen-ui-1l06pbn">
date
</code>
field:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.sales.aggregate(\n [\n {\n $project:\n {\n year: { $year: \"$date\" },\n month: { $month: \"$date\" },\n day: { $dayOfMonth: \"$date\" },\n hour: { $hour: \"$date\" },\n minutes: { $minute: \"$date\" },\n seconds: { $second: \"$date\" },\n milliseconds: { $millisecond: \"$date\" },\n dayOfYear: { $dayOfYear: \"$date\" },\n dayOfWeek: { $dayOfWeek: \"$date\" },\n week: { $week: \"$date\" }\n }\n }\n ]\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">sales</span>.<span class="lg-highlight-title lg-highlight-function">aggregate</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$project</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">year</span>: <!-- -->{ <span class="lg-highlight-attr">$year</span>: <span class="lg-highlight-string">"$date"</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">month</span>: <!-- -->{ <span class="lg-highlight-attr">$month</span>: <span class="lg-highlight-string">"$date"</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">day</span>: <!-- -->{ <span class="lg-highlight-attr">$dayOfMonth</span>: <span class="lg-highlight-string">"$date"</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">hour</span>: <!-- -->{ <span class="lg-highlight-attr">$hour</span>: <span class="lg-highlight-string">"$date"</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">minutes</span>: <!-- -->{ <span class="lg-highlight-attr">$minute</span>: <span class="lg-highlight-string">"$date"</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">seconds</span>: <!-- -->{ <span class="lg-highlight-attr">$second</span>: <span class="lg-highlight-string">"$date"</span> }<!-- -->,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">milliseconds</span>: <!-- -->{ <span class="lg-highlight-attr">$millisecond</span>: <span class="lg-highlight-string">"$date"</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">dayOfYear</span>: <!-- -->{ <span class="lg-highlight-attr">$dayOfYear</span>: <span class="lg-highlight-string">"$date"</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">dayOfWeek</span>: <!-- -->{ <span class="lg-highlight-attr">$dayOfWeek</span>: <span class="lg-highlight-string">"$date"</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">week</span>: <!-- -->{ <span class="lg-highlight-attr">$week</span>: <span class="lg-highlight-string">"$date"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The operation returns the following result:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n \"_id\" : 1,\n \"year\" : 2014,\n \"month\" : 1,\n \"day\" : 1,\n \"hour\" : 8,\n \"minutes\" : 15,\n \"seconds\" : 39,\n \"milliseconds\" : 736,\n \"dayOfYear\" : 1,\n \"dayOfWeek\" : 4,\n \"week\" : 0\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"year"</span> <!-- -->: <span class="lg-highlight-number">2014</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"month"</span> <!-- -->: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"day"</span> <!-- -->: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"hour"</span> <!-- -->: <span class="lg-highlight-number">8</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"minutes"</span> <!-- -->: <span class="lg-highlight-number">15</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"seconds"</span> <!-- -->: <span class="lg-highlight-number">39</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"milliseconds"</span> <!-- -->: <span class="lg-highlight-number">736</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"dayOfYear"</span> <!-- -->: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"dayOfWeek"</span> <!-- -->: <span class="lg-highlight-number">4</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"week"</span> <!-- -->: <span class="lg-highlight-number">0</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</div>
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</div>
</div>
</section>
</section>
|
https://www.mongodb.com/docs/manual/core/bulk-write-operations/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Bulk Write Operations
<a class="headerlink leafygreen-ui-1kepx47" href="#bulk-write-operations" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="bulk-write-operations">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#overview" target="_self">
<span>
Overview
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#ordered-vs-unordered-operations" target="_self">
<span>
Ordered vs Unordered Operations
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#bulkwrite---methods" target="_self">
<span>
bulkWrite() Methods
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#example" target="_self">
<span>
Example
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#strategies-for-bulk-inserts-to-a-sharded-collection" target="_self">
<span>
Strategies for Bulk Inserts to a Sharded Collection
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Overview
<a class="headerlink leafygreen-ui-1kepx47" href="#overview" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="overview">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
MongoDB provides clients the ability to perform write operations in
bulk. Bulk write operations affect a
<em>
single
</em>
collection. MongoDB
allows applications to determine the acceptable level of
acknowledgment required for bulk write operations.
</p>
<p class="leafygreen-ui-1kp3ins">
The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.bulkWrite/#mongodb-method-db.collection.bulkWrite">
<code class="leafygreen-ui-1l06pbn">
db.collection.bulkWrite()
</code>
</a>
method provides the ability to
perform bulk insert, update, and delete operations.
</p>
<p class="leafygreen-ui-1kp3ins">
MongoDB also supports bulk insert through the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.insertMany/#mongodb-method-db.collection.insertMany">
<code class="leafygreen-ui-1l06pbn">
db.collection.insertMany()
</code>
</a>
method.
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-bulk-write-operations-ordered-vs-unordered">
</span>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Ordered vs Unordered Operations
<a class="headerlink leafygreen-ui-1kepx47" href="#ordered-vs-unordered-operations" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="ordered-vs-unordered-operations">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Bulk write operations can be either
<em>
ordered
</em>
or
<em>
unordered
</em>
.
</p>
<p class="leafygreen-ui-1kp3ins">
With an ordered list of operations, MongoDB executes the operations serially.
If an error occurs during the processing of one of the write
operations, MongoDB will return without processing any remaining write
operations in the list.
See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.bulkWrite/#std-label-bulkwrite-example-bulk-write-operation">
ordered Bulk Write
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
With an unordered list of operations, MongoDB can execute the
operations in parallel, but this behavior is not guaranteed.
If an error occurs during the processing of one
of the write operations, MongoDB will continue to process remaining
write operations in the list.
See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.bulkWrite/#std-label-bulkwrite-example-unordered-bulk-write">
Unordered Bulk Write Example
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
Executing an ordered list of operations on a sharded collection will
generally be slower than executing an unordered list since with an
ordered list, each operation must wait for the previous operation to
finish.
</p>
<p class="leafygreen-ui-1kp3ins">
By default,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.bulkWrite/#mongodb-method-db.collection.bulkWrite">
<code class="leafygreen-ui-1l06pbn">
bulkWrite()
</code>
</a>
performs
<code class="leafygreen-ui-1l06pbn">
ordered
</code>
operations. To specify
<code class="leafygreen-ui-1l06pbn">
unordered
</code>
write operations, set
<code class="leafygreen-ui-1l06pbn">
ordered : false
</code>
in the options document.
</p>
<p class="leafygreen-ui-1kp3ins">
See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.bulkWrite/#std-label-bulkwrite-write-operations-executionofoperations">
Execution of Operations
</a>
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
bulkWrite() Methods
<a class="headerlink leafygreen-ui-1kepx47" href="#bulkwrite---methods" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="bulkwrite---methods">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.bulkWrite/#mongodb-method-db.collection.bulkWrite">
<code class="leafygreen-ui-1l06pbn">
bulkWrite()
</code>
</a>
supports the following write operations:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.bulkWrite/#std-label-bulkwrite-write-operations-insertOne">
insertOne
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.bulkWrite/#std-label-bulkwrite-write-operations-updateOneMany">
updateOne
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.bulkWrite/#std-label-bulkwrite-write-operations-updateOneMany">
updateMany
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.bulkWrite/#std-label-bulkwrite-write-operations-replaceOne">
replaceOne
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.bulkWrite/#std-label-bulkwrite-write-operations-deleteOneMany">
deleteOne
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.bulkWrite/#std-label-bulkwrite-write-operations-deleteOneMany">
deleteMany
</a>
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
Each write operation is passed to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.bulkWrite/#mongodb-method-db.collection.bulkWrite">
<code class="leafygreen-ui-1l06pbn">
bulkWrite()
</code>
</a>
as a
document in an array.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Example
<a class="headerlink leafygreen-ui-1kepx47" href="#example" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="example">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The example in this section uses the
<code class="leafygreen-ui-1l06pbn">
pizzas
</code>
collection:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.pizzas.insertMany( [\n { _id: 0, type: \"pepperoni\", size: \"small\", price: 4 },\n { _id: 1, type: \"cheese\", size: \"medium\", price: 7 },\n { _id: 2, type: \"vegan\", size: \"large\", price: 8 }\n] )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">pizzas</span>.<span class="lg-highlight-title lg-highlight-function">insertMany</span>( <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">0</span>, <span class="lg-highlight-attr">type</span>: <span class="lg-highlight-string">"pepperoni"</span>, <span class="lg-highlight-attr">size</span>: <span class="lg-highlight-string">"small"</span>, <span class="lg-highlight-attr">price</span>: <span class="lg-highlight-number">4</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">type</span>: <span class="lg-highlight-string">"cheese"</span>, <span class="lg-highlight-attr">size</span>: <span class="lg-highlight-string">"medium"</span>, <span class="lg-highlight-attr">price</span>: <span class="lg-highlight-number">7</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">2</span>, <span class="lg-highlight-attr">type</span>: <span class="lg-highlight-string">"vegan"</span>, <span class="lg-highlight-attr">size</span>: <span class="lg-highlight-string">"large"</span>, <span class="lg-highlight-attr">price</span>: <span class="lg-highlight-number">8</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">] )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The following
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.bulkWrite/#mongodb-method-db.collection.bulkWrite">
<code class="leafygreen-ui-1l06pbn">
bulkWrite()
</code>
</a>
example runs
these operations on the
<code class="leafygreen-ui-1l06pbn">
pizzas
</code>
collection:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Adds two documents using
<code class="leafygreen-ui-1l06pbn">
insertOne
</code>
.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Updates a document using
<code class="leafygreen-ui-1l06pbn">
updateOne
</code>
.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Deletes a document using
<code class="leafygreen-ui-1l06pbn">
deleteOne
</code>
.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Replaces a document using
<code class="leafygreen-ui-1l06pbn">
replaceOne
</code>
.
</p>
</li>
</ul>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"try {\n db.pizzas.bulkWrite( [\n { insertOne: { document: { _id: 3, type: \"beef\", size: \"medium\", price: 6 } } },\n { insertOne: { document: { _id: 4, type: \"sausage\", size: \"large\", price: 10 } } },\n { updateOne: {\n filter: { type: \"cheese\" },\n update: { $set: { price: 8 } }\n } },\n { deleteOne: { filter: { type: \"pepperoni\"} } },\n { replaceOne: {\n filter: { type: \"vegan\" },\n replacement: { type: \"tofu\", size: \"small\", price: 4 }\n } }\n ] )\n} catch( error ) {\n print( error )\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">try</span> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->db.<span class="lg-highlight-property">pizzas</span>.<span class="lg-highlight-title lg-highlight-function">bulkWrite</span>( <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">insertOne</span>: <!-- -->{ <span class="lg-highlight-attr">document</span>: <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">3</span>, <span class="lg-highlight-attr">type</span>: <span class="lg-highlight-string">"beef"</span>, <span class="lg-highlight-attr">size</span>: <span class="lg-highlight-string">"medium"</span>, <span class="lg-highlight-attr">price</span>: <span class="lg-highlight-number">6</span> } } }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">insertOne</span>: <!-- -->{ <span class="lg-highlight-attr">document</span>: <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">4</span>, <span class="lg-highlight-attr">type</span>: <span class="lg-highlight-string">"sausage"</span>, <span class="lg-highlight-attr">size</span>: <span class="lg-highlight-string">"large"</span>, <span class="lg-highlight-attr">price</span>: <span class="lg-highlight-number">10</span> } } }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">updateOne</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">filter</span>: <!-- -->{ <span class="lg-highlight-attr">type</span>: <span class="lg-highlight-string">"cheese"</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">update</span>: <!-- -->{ <span class="lg-highlight-attr">$set</span>: <!-- -->{ <span class="lg-highlight-attr">price</span>: <span class="lg-highlight-number">8</span> } }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> } }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">deleteOne</span>: <!-- -->{ <span class="lg-highlight-attr">filter</span>: <!-- -->{ <span class="lg-highlight-attr">type</span>: <span class="lg-highlight-string">"pepperoni"</span>} } }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">replaceOne</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">filter</span>: <!-- -->{ <span class="lg-highlight-attr">type</span>: <span class="lg-highlight-string">"vegan"</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">replacement</span>: <!-- -->{ <span class="lg-highlight-attr">type</span>: <span class="lg-highlight-string">"tofu"</span>, <span class="lg-highlight-attr">size</span>: <span class="lg-highlight-string">"small"</span>, <span class="lg-highlight-attr">price</span>: <span class="lg-highlight-number">4</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> } }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ] )</td></tr><tr class=""><td class="leafygreen-ui-7razhx">} <span class="lg-highlight-keyword">catch</span>( <!-- -->error ) <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">print</span>( <!-- -->error )</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Example output, which includes a summary of the completed operations:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n acknowledged: true,\n insertedCount: 2,\n insertedIds: { '0': 3, '1': 4 },\n matchedCount: 2,\n modifiedCount: 2,\n deletedCount: 1,\n upsertedCount: 0,\n upsertedIds: {}\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">acknowledged</span>: <span class="lg-highlight-literal">true</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">insertedCount</span>: <span class="lg-highlight-number">2</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">insertedIds</span>: <!-- -->{ <span class="lg-highlight-string">'0'</span>: <span class="lg-highlight-number">3</span>, <span class="lg-highlight-string">'1'</span>: <span class="lg-highlight-number">4</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">matchedCount</span>: <span class="lg-highlight-number">2</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">modifiedCount</span>: <span class="lg-highlight-number">2</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">deletedCount</span>: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">upsertedCount</span>: <span class="lg-highlight-number">0</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">upsertedIds</span>: <!-- -->{<!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For more examples, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.bulkWrite/#std-label-bulkwrite-example-bulk-write-operation">
bulkWrite() Examples
<!-- -->
.
</a>
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-bulk-write-sharded-collection">
</span>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Strategies for Bulk Inserts to a Sharded Collection
<a class="headerlink leafygreen-ui-1kepx47" href="#strategies-for-bulk-inserts-to-a-sharded-collection" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="strategies-for-bulk-inserts-to-a-sharded-collection">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Large bulk insert operations, including initial data inserts or routine
data import, can affect
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-sharded-cluster">
sharded cluster
</a>
performance. For
bulk inserts, consider the following strategies:
</p>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Pre-Split the Collection
<a class="headerlink leafygreen-ui-1kepx47" href="#pre-split-the-collection" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="pre-split-the-collection">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
If the sharded collection is empty, then the collection has only
one initial
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-chunk">
chunk
</a>
, which resides on a single shard.
MongoDB must then take time to receive data, create splits, and
distribute the split chunks to the available shards. To avoid this
performance cost, you can pre-split the collection, as described in
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/split-chunks-in-sharded-cluster/">
Split Chunks in a Sharded Cluster
<!-- -->
.
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Unordered Writes to
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#unordered-writes-to-mongos" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="unordered-writes-to-mongos">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To improve write performance to sharded clusters, use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.bulkWrite/#mongodb-method-db.collection.bulkWrite">
<code class="leafygreen-ui-1l06pbn">
bulkWrite()
</code>
</a>
with the optional parameter
<code class="leafygreen-ui-1l06pbn">
ordered
</code>
set to
<code class="leafygreen-ui-1l06pbn">
false
</code>
.
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
can attempt to send the writes to
multiple shards simultaneously. For
<em>
empty
</em>
collections,
first pre-split the collection as described in
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/split-chunks-in-sharded-cluster/">
Split Chunks in a Sharded Cluster
<!-- -->
.
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Avoid Monotonic Throttling
<a class="headerlink leafygreen-ui-1kepx47" href="#avoid-monotonic-throttling" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="avoid-monotonic-throttling">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
If your shard key increases monotonically during an insert, then all
inserted data goes to the last chunk in the collection, which will
always end up on a single shard. Therefore, the insert capacity of the
cluster will never exceed the insert capacity of that single shard.
</p>
<p class="leafygreen-ui-1kp3ins">
If your insert volume is larger than what a single shard can process,
and if you cannot avoid a monotonically increasing shard key, then
consider the following modifications to your application:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Reverse the binary bits of the shard key. This preserves the
information and avoids correlating insertion order with increasing
sequence of values.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Swap the first and last 16-bit words to "shuffle" the inserts.
</p>
</li>
</ul>
<div class="leafygreen-ui-vg7qwp" role="note">
<h2 class="leafygreen-ui-2xicti">
Example
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
The following example, in C++, swaps the leading and
trailing 16-bit word of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-BSON">
BSON
</a>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-ObjectId">
ObjectIds
</a>
generated so they are no longer monotonically increasing.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"using namespace mongo;\nOID make_an_id() {\n OID x = OID::gen();\n const unsigned char *p = x.getData();\n swap( (unsigned short&) p[0], (unsigned short&) p[10] );\n return x;\n}\n\nvoid foo() {\n // create an object\n BSONObj o = BSON( \"_id\" << make_an_id() << \"x\" << 3 << \"name\" << \"jane\" );\n // now we may insert o into a sharded collection\n}","programmingLanguage":"C++"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light cpp leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">using</span> <span class="lg-highlight-keyword">namespace</span> mongo;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-function">OID </span><span class="lg-highlight-title lg-highlight-function">make_an_id</span><span class="lg-highlight-params lg-highlight-function">()</span><span class="lg-highlight-function"> </span>{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> OID x <!-- -->= OID::<span class="lg-highlight-built_in">gen</span>()<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-type">const</span> <span class="lg-highlight-type">unsigned</span> <span class="lg-highlight-type">char</span> *p <!-- -->= x.<span class="lg-highlight-built_in">getData</span>()<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-built_in">swap</span>( <!-- -->(<span class="lg-highlight-type">unsigned</span> <span class="lg-highlight-type">short</span>&)<!-- --> p[<span class="lg-highlight-number">0</span>], <!-- -->(<span class="lg-highlight-type">unsigned</span> <span class="lg-highlight-type">short</span>&)<!-- --> p[<span class="lg-highlight-number">10</span>] )<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> x;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-type lg-highlight-function">void</span><span class="lg-highlight-function"> </span><span class="lg-highlight-title lg-highlight-function">foo</span><span class="lg-highlight-params lg-highlight-function">()</span><span class="lg-highlight-function"> </span>{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// create an object</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> BSONObj o <!-- -->= <span class="lg-highlight-built_in">BSON</span>( <span class="lg-highlight-string">"_id"</span> << <span class="lg-highlight-built_in">make_an_id</span>()<!-- --> << <span class="lg-highlight-string">"x"</span> << <span class="lg-highlight-number">3</span> << <span class="lg-highlight-string">"name"</span> << <span class="lg-highlight-string">"jane"</span> )<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// now we may insert o</span><span class="lg-highlight-comment"> into a sharded </span><span class="lg-highlight-comment">collection</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</div>
</div>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-shard-key/#std-label-sharding-shard-key">
Shard Keys
</a>
for information
on choosing a sharded key. Also see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-shard-key/#std-label-sharding-internals-shard-keys">
Shard Key
Internals
</a>
(in particular,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-choose-a-shard-key/#std-label-sharding-internals-operations-and-reliability">
Choose a Shard Key
</a>
).
</p>
</div>
</div>
</section>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/delete-methods/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Delete Methods
<a class="headerlink leafygreen-ui-1kepx47" href="#delete-methods" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="delete-methods">
</div>
</a>
</h1>
<p class="leafygreen-ui-1kp3ins">
MongoDB provides the following methods to delete documents of a
collection:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:35%"/>
<col style="width:65%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.deleteOne/#mongodb-method-db.collection.deleteOne">
<code class="leafygreen-ui-1l06pbn">
db.collection.deleteOne()
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Delete at most a single document that match a specified filter
even though multiple documents may match the specified filter.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.deleteMany/#mongodb-method-db.collection.deleteMany">
<code class="leafygreen-ui-1l06pbn">
db.collection.deleteMany()
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Delete all documents that match a specified filter.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.remove/#mongodb-method-db.collection.remove">
<code class="leafygreen-ui-1l06pbn">
db.collection.remove()
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Delete a single document or all documents that match a specified filter.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 6.1:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
To improve efficiency, MongoDB may batch multiple document deletions
together.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/explain/#mongodb-dbcommand-dbcmd.explain">
<code class="leafygreen-ui-1l06pbn">
explain
</code>
</a>
command
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/explain-results/#std-label-explain-results">
results
</a>
contain a new
<code class="leafygreen-ui-1l06pbn">
BATCHED_DELETE
</code>
stage for batched document deletions.
</p>
</li>
</ul>
<span class="leafygreen-ui-1qnjd6d" id="std-label-additional-deletes">
</span>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Additional Methods
<a class="headerlink leafygreen-ui-1kepx47" href="#additional-methods" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="additional-methods">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The following methods can also delete documents from a collection:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.findOneAndDelete/#mongodb-method-db.collection.findOneAndDelete">
<code class="leafygreen-ui-1l06pbn">
db.collection.findOneAndDelete()
</code>
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.findAndModify/#std-label-findAndModify-wrapper-sorted-remove">
findOneAndDelete()
</a>
provides a sort option. The option allows for the deletion of the
first document sorted by the specified order.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.findAndModify/#mongodb-method-db.collection.findAndModify">
<code class="leafygreen-ui-1l06pbn">
db.collection.findAndModify()
</code>
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.findAndModify/#mongodb-method-db.collection.findAndModify">
<code class="leafygreen-ui-1l06pbn">
db.collection.findAndModify()
</code>
</a>
provides a sort option.
The option allows for the deletion of the first document sorted by
the specified order.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.bulkWrite/#mongodb-method-db.collection.bulkWrite">
<code class="leafygreen-ui-1l06pbn">
db.collection.bulkWrite()
</code>
.
</a>
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
See the individual reference pages for the methods for more information
and examples.
</p>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/operator/aggregation/add/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
$add (aggregation)
<a class="headerlink leafygreen-ui-1kepx47" href="#-add--aggregation-" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="-add--aggregation-">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
<span>
Definition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#behavior" target="_self">
<span>
Behavior
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#examples" target="_self">
<span>
Examples
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Definition
<a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="definition">
</div>
</a>
</h2>
<dl class="expression">
<dt>
<code class="leafygreen-ui-1l06pbn">
$add
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-expression-exp.-add" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-expression-exp.-add">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Adds numbers together or adds numbers and a date. If one of the
arguments is a date,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-expression-exp.-add" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$add
</code>
</span>
</a>
treats the other arguments
as milliseconds to add to the date.
</p>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-expression-exp.-add" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$add
</code>
</span>
</a>
expression has the following syntax:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ $add: [ <expression1>, <expression2>, ... ] }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">$add</span>: <!-- -->[ <<!-- -->expression1<!-- -->><!-- -->,<!-- --> <!-- --><<!-- -->expression2<!-- -->><!-- -->,<!-- --> <!-- -->...<!-- --> ] }</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The arguments can be any valid
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/#std-label-aggregation-expressions">
expression
</a>
as long as they resolve to
either all numbers or to numbers and a date. For more information on
expressions, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/#std-label-aggregation-expressions">
Expression Operators
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 6.1 you can optimize the
<code class="leafygreen-ui-1l06pbn">
$add
</code>
operation. To
improve performance, group references at the end of the argument
list. For example,
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"$add: [ 1, 2, 3, '$a', '$b', '$c' ]","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">$add</span>: <!-- -->[ <span class="lg-highlight-number">1</span>, <span class="lg-highlight-number">2</span>, <span class="lg-highlight-number">3</span>, <span class="lg-highlight-string">'$a'</span>, <span class="lg-highlight-string">'$b'</span>, <span class="lg-highlight-string">'$c'</span> ]</td></tr></tbody></table></code></pre>
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</div>
</button>
</div>
</div>
</div>
</div>
</dd>
</dl>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Behavior
<a class="headerlink leafygreen-ui-1kepx47" href="#behavior" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="behavior">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
When input types are mixed,
<code class="leafygreen-ui-1l06pbn">
$add
</code>
promotes the smaller input
type to the larger of the two. A type is considered larger when it
represents a wider range of values. The order of numeric types from
smallest to largest is: integer → long → double → decimal
</p>
<p class="leafygreen-ui-1kp3ins">
The larger of the input types also determines the result type unless
the operation overflows and is beyond the range represented by that
larger data type. In cases of overflow,
<code class="leafygreen-ui-1l06pbn">
$add
</code>
promotes the
result according to the following order:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If the larger input type is
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/mongodb-extended-json/#mongodb-bsontype-Int32">
<code class="leafygreen-ui-1l06pbn">
integer
</code>
</a>
, the result type
is promoted to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/mongodb-extended-json/#mongodb-bsontype-Int64">
<code class="leafygreen-ui-1l06pbn">
long
</code>
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If the larger input type is
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/mongodb-extended-json/#mongodb-bsontype-Int64">
<code class="leafygreen-ui-1l06pbn">
long
</code>
</a>
, the result type is
promoted to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/mongodb-extended-json/#mongodb-bsontype-Double">
<code class="leafygreen-ui-1l06pbn">
double
</code>
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If the larger type is
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/mongodb-extended-json/#mongodb-bsontype-Double">
<code class="leafygreen-ui-1l06pbn">
double
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/mongodb-extended-json/#mongodb-bsontype-Decimal128">
<code class="leafygreen-ui-1l06pbn">
decimal
</code>
</a>
, the overflow result is represented
as + or - infinity. There is no type promotion of the result.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
When mixing
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/mongodb-extended-json/#mongodb-bsontype-Date">
<code class="leafygreen-ui-1l06pbn">
Date
</code>
</a>
and non-integer operands,
<code class="leafygreen-ui-1l06pbn">
$add
</code>
rounds the non-integer value to the nearest integer
before performing the operation.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Examples
<a class="headerlink leafygreen-ui-1kepx47" href="#examples" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="examples">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The following examples use a
<code class="leafygreen-ui-1l06pbn">
sales
</code>
collection with the following
documents:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ \"_id\" : 1, \"item\" : \"abc\", \"price\" : 10, \"fee\" : 2, date: ISODate(\"2014-03-01T08:00:00Z\") }\n{ \"_id\" : 2, \"item\" : \"jkl\", \"price\" : 20, \"fee\" : 1, date: ISODate(\"2014-03-01T09:00:00Z\") }\n{ \"_id\" : 3, \"item\" : \"xyz\", \"price\" : 5, \"fee\" : 0, date: ISODate(\"2014-03-15T09:00:00Z\") }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-string">"item"</span> <!-- -->: <span class="lg-highlight-string">"abc"</span>, <span class="lg-highlight-string">"price"</span> <!-- -->: <span class="lg-highlight-number">10</span>, <span class="lg-highlight-string">"fee"</span> <!-- -->: <span class="lg-highlight-number">2</span>, <span class="lg-highlight-attr">date</span>: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2014-03-01T08:00:00Z"</span>) }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">2</span>, <span class="lg-highlight-string">"item"</span> <!-- -->: <span class="lg-highlight-string">"jkl"</span>, <span class="lg-highlight-string">"price"</span> <!-- -->: <span class="lg-highlight-number">20</span>, <span class="lg-highlight-string">"fee"</span> <!-- -->: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">date</span>: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2014-03-01T09:00:00Z"</span>) }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">3</span>, <span class="lg-highlight-string">"item"</span> <!-- -->: <span class="lg-highlight-string">"xyz"</span>, <span class="lg-highlight-string">"price"</span> <!-- -->: <span class="lg-highlight-number">5</span>, <span class="lg-highlight-string">"fee"</span> <!-- -->: <span class="lg-highlight-number">0</span>, <span class="lg-highlight-attr">date</span>: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2014-03-15T09:00:00Z"</span>) }</td></tr></tbody></table></code></pre>
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<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Add Numbers
<a class="headerlink leafygreen-ui-1kepx47" href="#add-numbers" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="add-numbers">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The following aggregation uses the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-expression-exp.-add" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$add
</code>
</span>
</a>
expression in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/project/#mongodb-pipeline-pipe.-project">
<code class="leafygreen-ui-1l06pbn">
$project
</code>
</a>
pipeline to calculate the total cost:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.sales.aggregate(\n [\n { $project: { item: 1, total: { $add: [ \"$price\", \"$fee\" ] } } }\n ]\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">sales</span>.<span class="lg-highlight-title lg-highlight-function">aggregate</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">$project</span>: <!-- -->{ <span class="lg-highlight-attr">item</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">total</span>: <!-- -->{ <span class="lg-highlight-attr">$add</span>: <!-- -->[ <span class="lg-highlight-string">"$price"</span>, <span class="lg-highlight-string">"$fee"</span> ] } } }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The operation returns the following results:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ \"_id\" : 1, \"item\" : \"abc\", \"total\" : 12 }\n{ \"_id\" : 2, \"item\" : \"jkl\", \"total\" : 21 }\n{ \"_id\" : 3, \"item\" : \"xyz\", \"total\" : 5 }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-string">"item"</span> <!-- -->: <span class="lg-highlight-string">"abc"</span>, <span class="lg-highlight-string">"total"</span> <!-- -->: <span class="lg-highlight-number">12</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">2</span>, <span class="lg-highlight-string">"item"</span> <!-- -->: <span class="lg-highlight-string">"jkl"</span>, <span class="lg-highlight-string">"total"</span> <!-- -->: <span class="lg-highlight-number">21</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">3</span>, <span class="lg-highlight-string">"item"</span> <!-- -->: <span class="lg-highlight-string">"xyz"</span>, <span class="lg-highlight-string">"total"</span> <!-- -->: <span class="lg-highlight-number">5</span> }</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Perform Addition on a Date
<a class="headerlink leafygreen-ui-1kepx47" href="#perform-addition-on-a-date" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="perform-addition-on-a-date">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The following aggregation uses the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-expression-exp.-add" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$add
</code>
</span>
</a>
expression to
compute the
<code class="leafygreen-ui-1l06pbn">
billing_date
</code>
by adding
<code class="leafygreen-ui-1l06pbn">
3*24*60*60000
</code>
milliseconds
(i.e. 3 days) to the
<code class="leafygreen-ui-1l06pbn">
date
</code>
field :
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.sales.aggregate(\n [\n { $project: { item: 1, billing_date: { $add: [ \"$date\", 3*24*60*60000 ] } } }\n ]\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">sales</span>.<span class="lg-highlight-title lg-highlight-function">aggregate</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">$project</span>: <!-- -->{ <span class="lg-highlight-attr">item</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">billing_date</span>: <!-- -->{ <span class="lg-highlight-attr">$add</span>: <!-- -->[ <span class="lg-highlight-string">"$date"</span>, <span class="lg-highlight-number">3</span>*<span class="lg-highlight-number">24</span>*<span class="lg-highlight-number">60</span>*<span class="lg-highlight-number">60000</span> ] } } }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The operation returns the following results:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ \"_id\" : 1, \"item\" : \"abc\", \"billing_date\" : ISODate(\"2014-03-04T08:00:00Z\") }\n{ \"_id\" : 2, \"item\" : \"jkl\", \"billing_date\" : ISODate(\"2014-03-04T09:00:00Z\") }\n{ \"_id\" : 3, \"item\" : \"xyz\", \"billing_date\" : ISODate(\"2014-03-18T09:00:00Z\") }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-string">"item"</span> <!-- -->: <span class="lg-highlight-string">"abc"</span>, <span class="lg-highlight-string">"billing_date"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2014-03-04T08:00:00Z"</span>) }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">2</span>, <span class="lg-highlight-string">"item"</span> <!-- -->: <span class="lg-highlight-string">"jkl"</span>, <span class="lg-highlight-string">"billing_date"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2014-03-04T09:00:00Z"</span>) }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">3</span>, <span class="lg-highlight-string">"item"</span> <!-- -->: <span class="lg-highlight-string">"xyz"</span>, <span class="lg-highlight-string">"billing_date"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">ISODate</span>(<span class="lg-highlight-string">"2014-03-18T09:00:00Z"</span>) }</td></tr></tbody></table></code></pre>
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</div>
</button>
</div>
</div>
</div>
</div>
</section>
</section>
</section>
|
https://www.mongodb.com/docs/manual/tutorial/manage-indexes/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Manage Indexes
<a class="headerlink leafygreen-ui-1kepx47" href="#manage-indexes" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="manage-indexes">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#view-existing-indexes" target="_self">
<span>
View Existing Indexes
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#remove-indexes" target="_self">
<span>
Remove Indexes
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#modify-an-index" target="_self">
<span>
Modify an Index
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#find-inconsistent-indexes-across-shards" target="_self">
<span>
Find Inconsistent Indexes Across Shards
</span>
</a>
</li>
</ul>
</div>
<p class="leafygreen-ui-1kp3ins">
This page shows how to manage existing indexes. For instructions on
creating indexes, refer to the specific index type pages.
</p>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
View Existing Indexes
<a class="headerlink leafygreen-ui-1kepx47" href="#view-existing-indexes" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="view-existing-indexes">
</div>
</a>
</h2>
<div aria-hidden="true">
</div>
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</button>
</div>
<div class="leafygreen-ui-ov1ktg">
<div class="leafygreen-ui-1sg2lsz">
</div>
</div>
</div>
<div class="lg-ui-tab-panels-0000" data-lgid="lg-tabs-tab_panels">
<div>
<div aria-labelledby="_6drli9s4c" class="" id="_8nl9yjmxp" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
The following sections provide methods for viewing existing indexes
on a collection or an entire database.
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-index-list-indexes-for-collection">
</span>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
List All Indexes on a Collection
<a class="headerlink leafygreen-ui-1kepx47" href="#list-all-indexes-on-a-collection" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="list-all-indexes-on-a-collection">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To return a list of all indexes on a collection, use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.getIndexes/#mongodb-method-db.collection.getIndexes">
<code class="leafygreen-ui-1l06pbn">
db.collection.getIndexes()
</code>
</a>
method or a similar
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://api.mongodb.com/" target="_self">
<span>
method
for your driver
<!-- -->
.
</span>
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
For example, to view all indexes on the
<code class="leafygreen-ui-1l06pbn">
people
</code>
collection, run the
following command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.people.getIndexes()","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">people</span>.<span class="lg-highlight-title lg-highlight-function">getIndexes</span>(<!-- -->)</td></tr></tbody></table></code></pre>
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<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-index-list-indexes-for-database">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
List All Indexes for a Database
<a class="headerlink leafygreen-ui-1kepx47" href="#list-all-indexes-for-a-database" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="list-all-indexes-for-a-database">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To list all the collection indexes in a database, run the following
command in
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
:
</span>
</a>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.getCollectionNames().forEach(function(collection) {\n indexes = db[collection].getIndexes();\n print(\"Indexes for \" + collection + \":\");\n printjson(indexes);\n});","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">getCollectionNames</span>(<!-- -->).<span class="lg-highlight-title lg-highlight-function">forEach</span>(<span class="lg-highlight-keyword lg-highlight-function">function</span>(<span class="lg-highlight-params">collection</span>)<!-- --> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->indexes <!-- -->= <!-- -->db<!-- -->[<!-- -->collection].<span class="lg-highlight-title lg-highlight-function">getIndexes</span>(<!-- -->)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">print</span>(<span class="lg-highlight-string">"Indexes for "</span> <!-- -->+ <!-- -->collection <!-- -->+ <span class="lg-highlight-string">":"</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">printjson</span>(<!-- -->indexes)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">})<!-- -->;</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-list-specific-index-types">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
List Specific Type of Indexes
<a class="headerlink leafygreen-ui-1kepx47" href="#list-specific-type-of-indexes" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="list-specific-type-of-indexes">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To list all indexes of a certain type (such as
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/indexes/index-types/index-hashed/#std-label-index-type-hashed">
hashed
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/indexes/index-types/index-text/#std-label-index-type-text">
text
</a>
) for
all collections in all database, run the following command in
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
:
</span>
</a>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"// The following finds all hashed indexes\n\ndb.adminCommand(\"listDatabases\").databases.forEach(function(d){\n let mdb = db.getSiblingDB(d.name);\n mdb.getCollectionInfos({ type: \"collection\" }).forEach(function(c){\n let currentCollection = mdb.getCollection(c.name);\n currentCollection.getIndexes().forEach(function(idx){\n let idxValues = Object.values(Object.assign({}, idx.key));\n\n if (idxValues.includes(\"hashed\")) {\n print(\"Hashed index: \" + idx.name + \" on \" + d.name + \".\" + c.name);\n printjson(idx);\n };\n });\n });\n});","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> The following finds </span><span class="lg-highlight-comment">all hashed indexes</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">adminCommand</span>(<span class="lg-highlight-string">"listDatabases"</span>).<span class="lg-highlight-property">databases</span>.<span class="lg-highlight-title lg-highlight-function">forEach</span>(<span class="lg-highlight-keyword lg-highlight-function">function</span>(<span class="lg-highlight-params">d</span>)<!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">let</span> mdb <!-- -->= <!-- -->db.<span class="lg-highlight-title lg-highlight-function">getSiblingDB</span>(<!-- -->d.<span class="lg-highlight-property">name</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->mdb.<span class="lg-highlight-title lg-highlight-function">getCollectionInfos</span>(<!-- -->{ <span class="lg-highlight-attr">type</span>: <span class="lg-highlight-string">"collection"</span> }).<span class="lg-highlight-title lg-highlight-function">forEach</span>(<span class="lg-highlight-keyword lg-highlight-function">function</span>(<span class="lg-highlight-params">c</span>)<!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">let</span> currentCollection <!-- -->= <!-- -->mdb.<span class="lg-highlight-title lg-highlight-function">getCollection</span>(<!-- -->c.<span class="lg-highlight-property">name</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->currentCollection.<span class="lg-highlight-title lg-highlight-function">getIndexes</span>(<!-- -->).<span class="lg-highlight-title lg-highlight-function">forEach</span>(<span class="lg-highlight-keyword lg-highlight-function">function</span>(<span class="lg-highlight-params">idx</span>)<!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">let</span> idxValues <!-- -->= <span class="lg-highlight-title lg-highlight-class">Object</span>.<span class="lg-highlight-title lg-highlight-function">values</span>(<span class="lg-highlight-title lg-highlight-class">Object</span>.<span class="lg-highlight-title lg-highlight-function">assign</span>(<!-- -->{<!-- -->}<!-- -->, <!-- -->idx.<span class="lg-highlight-property">key</span>))<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> <!-- -->(<!-- -->idxValues.<span class="lg-highlight-title lg-highlight-function">includes</span>(<span class="lg-highlight-string">"hashed"</span>)) <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">print</span>(<span class="lg-highlight-string">"Hashed index: "</span> <!-- -->+ <!-- -->idx.<span class="lg-highlight-property">name</span> <!-- -->+ <span class="lg-highlight-string">" on "</span> <!-- -->+ <!-- -->d.<span class="lg-highlight-property">name</span> <!-- -->+ <span class="lg-highlight-string">"."</span> <!-- -->+ <!-- -->c.<span class="lg-highlight-property">name</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">printjson</span>(<!-- -->idx)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->})<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->})<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">})<!-- -->;</td></tr></tbody></table></code></pre>
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</div>
<div>
<div aria-labelledby="_2oksojuut" class="leafygreen-ui-38lglc" id="_3e2xlxkbi" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
To view a list of all indexes on a collection in
<!-- -->
MongoDB Compass
<!-- -->
,
click on the target collection in the left-hand pane and
select the
<span class="guilabel css-h15tq0">
Indexes
</span>
tab.
</p>
<div class="figure css-5vkxs0" style="width:auto">
<div class="gatsby-image-wrapper gatsby-image-wrapper-constrained leafygreen-ui-12xaq6r" data-gatsby-image-wrapper="">
<div style="max-width:1502px;display:block">
<img alt="" aria-hidden="true" role="presentation" src="data:image/svg+xml;charset=utf-8,%3Csvg%20height='1062'%20width='1502'%20xmlns='http://www.w3.org/2000/svg'%20version='1.1'%3E%3C/svg%3E" style="max-width:100%;display:block;position:static"/>
</div>
<div aria-hidden="true" data-placeholder-image="" style="opacity:1;transition:opacity 500ms linear">
</div>
<img alt="View indexes on a collection in Compass" data-main-image="" decoding="async" height="1062" loading="lazy" sizes="(min-width: 1502px) 1502px, 100vw" src="/docs/manual/static/873d6c5e0e631b42037668b846d0690d/859fe/compass-index-tab-2.webp" srcset="/docs/manual/static/873d6c5e0e631b42037668b846d0690d/b4044/compass-index-tab-2.webp 376w,/docs/manual/static/873d6c5e0e631b42037668b846d0690d/b17d1/compass-index-tab-2.webp 751w,/docs/manual/static/873d6c5e0e631b42037668b846d0690d/859fe/compass-index-tab-2.webp 1502w" style="--border-color:#C1C7C6;opacity:0" width="1502"/>
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</script>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For details on the information displayed in this tab, refer to
the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/compass/current/indexes/#std-label-compass-indexes-tab" target="_self">
<span>
Compass documentation
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Remove Indexes
<a class="headerlink leafygreen-ui-1kepx47" href="#remove-indexes" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="remove-indexes">
</div>
</a>
</h2>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
Hide an Index Before Dropping It
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
If you drop an index that is actively used in production, your
application may incur a performance degradation. Before you drop an
index, you can evaluate the potential impact of the drop by
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/index-hidden/#std-label-hide-existing-index">
hiding the index
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
Hidden indexes are not used to support queries. If you hide an index
and observe substantial negative performance impact, consider keeping
and unhiding the index so queries can resume using it.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
To learn how to remove an existing index, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/indexes/drop-index/#std-label-drop-an-index">
Drop an Index
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
To learn how to remove an index in
<!-- -->
MongoDB Compass
<!-- -->
, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/compass/current/indexes/" target="_self">
<span>
Manage Indexes in Compass
<!-- -->
.
</span>
</a>
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-manage-indexes-modify">
</span>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Modify an Index
<a class="headerlink leafygreen-ui-1kepx47" href="#modify-an-index" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="modify-an-index">
</div>
</a>
</h2>
<div aria-hidden="true">
</div>
<div class="leafygreen-ui-1b75luy" data-lgid="lg-tabs">
<div class="leafygreen-ui-jp7pox" id="tabs-11">
<div aria-label="Tabs to describe usage of drivers" aria-orientation="horizontal" class="leafygreen-ui-m8p1vb lg-ui-tab-list-0000" data-lgid="lg-tabs-tab_list" role="tablist">
<button aria-controls="_76ixtembq" aria-selected="true" class="leafygreen-ui-1l773z1" data-text="" id="_wk4ave3ed" name="" role="tab" tabindex="0">
<div class="leafygreen-ui-1nxuzmg">
MongoDB Shell
</div>
</button>
<button aria-controls="_vu07sfx0y" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_nppq60ihw" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Compass
</div>
</button>
</div>
<div class="leafygreen-ui-ov1ktg">
<div class="leafygreen-ui-1sg2lsz">
</div>
</div>
</div>
<div class="lg-ui-tab-panels-0000" data-lgid="lg-tabs-tab_panels">
<div>
<div aria-labelledby="_axfj9lyzu" class="" id="_0yvju5dtg" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
To modify an existing index in the MongoDB Shell, you need to
drop and recreate the index. The exception to this rule is
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/index-ttl/#std-label-index-feature-ttl">
TTL indexes
</a>
, which can be modified
via the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/collMod/#mongodb-dbcommand-dbcmd.collMod">
<code class="leafygreen-ui-1l06pbn">
collMod
</code>
</a>
command in conjunction with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/collMod/#mongodb-collflag-index">
<code class="leafygreen-ui-1l06pbn">
index
</code>
</a>
collection flag.
</p>
</div>
</div>
</div>
<div>
<div aria-labelledby="_vvlkaqrtu" class="leafygreen-ui-38lglc" id="_2k8lrx8ja" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
To modify an existing index in
<!-- -->
MongoDB Compass
<!-- -->
, you need to drop and
recreate the index.
</p>
</div>
</div>
</div>
</div>
</div>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Minimize Performance Impact With a Temporary Index
<a class="headerlink leafygreen-ui-1kepx47" href="#minimize-performance-impact-with-a-temporary-index" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="minimize-performance-impact-with-a-temporary-index">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
If you drop an index that is actively used in production, your
application may incur a performance degradation. To ensure queries can
still use an index during modification, you can create a temporary,
redundant index that contains the same fields as the modified index.
</p>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Example
<a class="headerlink leafygreen-ui-1kepx47" href="#example" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="example">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
This example creates a new index and modifies that index to make it
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/index-unique/#std-label-index-type-unique">
unique
<!-- -->
.
</a>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"Run this command:The command returns the name of the index:","name":"Create a siteAnalytics collection with an index on the url field"},{"@type":"HowToStep","text":"Run this command:The command returns the name of the index:This temporary index lets you safely drop the original { \"url\":\n1 } index without impacting performance.","name":"Create a temporary index that contains the url field"},{"@type":"HowToStep","text":"Run this command:The command returns:","name":"Drop the original index"},{"@type":"HowToStep","text":"Run this command:The command returns the name of the index:The url_1 index is recreated and you can drop the temporary\nindex without impacting performance. Queries on the url field\ncan use the new unique index.","name":"Recreate the { \"url\": 1 } index with the unique property"},{"@type":"HowToStep","text":"Run this command:The command returns:","name":"Drop the temporary index"},{"@type":"HowToStep","text":"To view the indexes on the siteAnalytics collection, run this\ncommand:The command returns these indexes, indicating that the url_1\nindex is now unique:","name":"Confirm that the index was updated"}],"name":"Example","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
</script>
<div class="css-4nyere eccljxs0">
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h5 class="contains-headerlink leafygreen-ui-1vzlt5f">
Create a
<code class="leafygreen-ui-1l06pbn">
siteAnalytics
</code>
collection with an index on the
<code class="leafygreen-ui-1l06pbn">
url
</code>
field
<a class="headerlink leafygreen-ui-1kepx47" href="#create-a-siteanalytics-collection-with-an-index-on-the-url-field" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="create-a-siteanalytics-collection-with-an-index-on-the-url-field">
</div>
</a>
</h5>
<p class="leafygreen-ui-1kp3ins">
Run this command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.siteAnalytics.createIndex( { \"url\": 1 } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">siteAnalytics</span>.<span class="lg-highlight-title lg-highlight-function">createIndex</span>( <!-- -->{ <span class="lg-highlight-string">"url"</span>: <span class="lg-highlight-number">1</span> } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The command returns the name of the index:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"url_1","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1agdxuk" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">url_1</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h5 class="contains-headerlink leafygreen-ui-1vzlt5f">
Create a temporary index that contains the
<code class="leafygreen-ui-1l06pbn">
url
</code>
field
<a class="headerlink leafygreen-ui-1kepx47" href="#create-a-temporary-index-that-contains-the-url-field" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="create-a-temporary-index-that-contains-the-url-field">
</div>
</a>
</h5>
<p class="leafygreen-ui-1kp3ins">
Run this command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.siteAnalytics.createIndex( { \"url\": 1, \"dummyField\": 1 } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">siteAnalytics</span>.<span class="lg-highlight-title lg-highlight-function">createIndex</span>( <!-- -->{ <span class="lg-highlight-string">"url"</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-string">"dummyField"</span>: <span class="lg-highlight-number">1</span> } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The command returns the name of the index:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"url_1_dummyField_1","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1agdxuk" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">url_1_dummyField_1</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
This temporary index lets you safely drop the original
<code class="leafygreen-ui-1l06pbn">
{ "url":
1 }
</code>
index without impacting performance.
</p>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
3
</div>
</div>
<div class="css-1ed38mk">
<section>
<h5 class="contains-headerlink leafygreen-ui-1vzlt5f">
Drop the original index
<a class="headerlink leafygreen-ui-1kepx47" href="#drop-the-original-index" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="drop-the-original-index">
</div>
</a>
</h5>
<p class="leafygreen-ui-1kp3ins">
Run this command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.siteAnalytics.dropIndex( { \"url_1\" } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">siteAnalytics</span>.<span class="lg-highlight-title lg-highlight-function">dropIndex</span>( <!-- -->{ <span class="lg-highlight-string">"url_1"</span> } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The command returns:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ nIndexesWas: 3, ok: 1 }","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1agdxuk" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">nIndexesWas</span>: <span class="lg-highlight-number">3</span>, <span class="lg-highlight-attr">ok</span>: <span class="lg-highlight-number">1</span> }</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
4
</div>
</div>
<div class="css-1ed38mk">
<section>
<h5 class="contains-headerlink leafygreen-ui-1vzlt5f">
Recreate the
<code class="leafygreen-ui-1l06pbn">
{ "url": 1 }
</code>
index with the
<code class="leafygreen-ui-1l06pbn">
unique
</code>
property
<a class="headerlink leafygreen-ui-1kepx47" href="#recreate-the----url---1---index-with-the-unique-property" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="recreate-the----url---1---index-with-the-unique-property">
</div>
</a>
</h5>
<p class="leafygreen-ui-1kp3ins">
Run this command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.siteAnalytics.createIndex( { \"url\": 1 }, { \"unique\": true } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">siteAnalytics</span>.<span class="lg-highlight-title lg-highlight-function">createIndex</span>( <!-- -->{ <span class="lg-highlight-string">"url"</span>: <span class="lg-highlight-number">1</span> }<!-- -->, <!-- -->{ <span class="lg-highlight-string">"unique"</span>: <span class="lg-highlight-literal">true</span> } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The command returns the name of the index:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"url_1","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1agdxuk" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">url_1</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
url_1
</code>
index is recreated and you can drop the temporary
index without impacting performance. Queries on the
<code class="leafygreen-ui-1l06pbn">
url
</code>
field
can use the new unique index.
</p>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
5
</div>
</div>
<div class="css-1ed38mk">
<section>
<h5 class="contains-headerlink leafygreen-ui-1vzlt5f">
Drop the temporary index
<a class="headerlink leafygreen-ui-1kepx47" href="#drop-the-temporary-index" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="drop-the-temporary-index">
</div>
</a>
</h5>
<p class="leafygreen-ui-1kp3ins">
Run this command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.siteAnalytics.dropIndex( { \"url_1_dummyField_1\" } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">siteAnalytics</span>.<span class="lg-highlight-title lg-highlight-function">dropIndex</span>( <!-- -->{ <span class="lg-highlight-string">"url_1_dummyField_1"</span> } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The command returns:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ nIndexesWas: 3, ok: 1 }","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1agdxuk" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">nIndexesWas</span>: <span class="lg-highlight-number">3</span>, <span class="lg-highlight-attr">ok</span>: <span class="lg-highlight-number">1</span> }</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
6
</div>
</div>
<div class="css-1ed38mk">
<section>
<h5 class="contains-headerlink leafygreen-ui-1vzlt5f">
Confirm that the index was updated
<a class="headerlink leafygreen-ui-1kepx47" href="#confirm-that-the-index-was-updated" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="confirm-that-the-index-was-updated">
</div>
</a>
</h5>
<p class="leafygreen-ui-1kp3ins">
To view the indexes on the
<code class="leafygreen-ui-1l06pbn">
siteAnalytics
</code>
collection, run this
command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.siteAnalytics.getIndexes()","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">siteAnalytics</span>.<span class="lg-highlight-title lg-highlight-function">getIndexes</span>(<!-- -->)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The command returns these indexes, indicating that the
<code class="leafygreen-ui-1l06pbn">
url_1
</code>
index is now unique:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"[\n { v: 2, key: { _id: 1 }, name: '_id_' },\n { v: 2, key: { url: 1 }, name: 'url_1', unique: true }\n]","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">v</span>: <span class="lg-highlight-number">2</span>, <span class="lg-highlight-attr">key</span>: <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">1</span> }<!-- -->, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">'_id_'</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">v</span>: <span class="lg-highlight-number">2</span>, <span class="lg-highlight-attr">key</span>: <!-- -->{ <span class="lg-highlight-attr">url</span>: <span class="lg-highlight-number">1</span> }<!-- -->, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">'url_1'</span>, <span class="lg-highlight-attr">unique</span>: <span class="lg-highlight-literal">true</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">]</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</section>
</div>
</div>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-manage-indexes-find-inconsistent-indexes">
</span>
</section>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Find Inconsistent Indexes Across Shards
<a class="headerlink leafygreen-ui-1kepx47" href="#find-inconsistent-indexes-across-shards" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="find-inconsistent-indexes-across-shards">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
A sharded collection has an inconsistent index if the collection does
not have the exact same indexes (including the index options) on each
shard that contains chunks for the collection. Although inconsistent
indexes should not occur during normal operations, inconsistent indexes
can occur , such as:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
When a user is creating an index with a
<code class="leafygreen-ui-1l06pbn">
unique
</code>
key constraint and
one shard contains a chunk with duplicate documents. In such cases,
the create index operation may succeed on the shards without
duplicates but not on the shard with duplicates.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
When a user is creating an index across the shards in a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/build-indexes-on-sharded-clusters/">
rolling
manner (i.e. manually building the index one by one across the
shards)
</a>
but either
fails to build the index for an associated shard or incorrectly
builds an index with different specification.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharded-cluster-config-servers/#std-label-sharding-config-server">
config server
</a>
primary, by default, checks
for index inconsistencies across the shards for sharded collections, and
the command
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-dbcommand-dbcmd.serverStatus">
<code class="leafygreen-ui-1l06pbn">
serverStatus
</code>
</a>
, when run on the config server
primary, returns the field
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.shardedIndexConsistency">
<code class="leafygreen-ui-1l06pbn">
shardedIndexConsistency
</code>
</a>
field to report on the number of sharded collections with index
inconsistencies.
</p>
<p class="leafygreen-ui-1kp3ins">
If
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.shardedIndexConsistency">
<code class="leafygreen-ui-1l06pbn">
shardedIndexConsistency
</code>
</a>
reports any index
inconsistencies, you can run the following pipeline for your
sharded collections until you find the inconsistencies.
</p>
<ol class="leafygreen-ui-rioki0" type="1">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Define the following
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/aggregation-pipeline/#std-label-aggregation-pipeline">
aggregation pipeline
<!-- -->
:
</a>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"const pipeline = [\n // Get indexes and the shards that they belong to.\n {$indexStats: {}},\n // Attach a list of all shards which reported indexes to each document from $indexStats.\n {$group: {_id: null, indexDoc: {$push: \"$$ROOT\"}, allShards: {$addToSet: \"$shard\"}}},\n // Unwind the generated array back into an array of index documents.\n {$unwind: \"$indexDoc\"},\n // Group by index name.\n {\n $group: {\n \"_id\": \"$indexDoc.name\",\n \"shards\": {$push: \"$indexDoc.shard\"},\n // Convert each index specification into an array of its properties\n // that can be compared using set operators.\n \"specs\": {$push: {$objectToArray: {$ifNull: [\"$indexDoc.spec\", {}]}}},\n \"allShards\": {$first: \"$allShards\"}\n }\n },\n // Compute which indexes are not present on all targeted shards and\n // which index specification properties aren't the same across all shards.\n {\n $project: {\n missingFromShards: {$setDifference: [\"$allShards\", \"$shards\"]},\n inconsistentProperties: {\n $setDifference: [\n {$reduce: {\n input: \"$specs\",\n initialValue: {$arrayElemAt: [\"$specs\", 0]},\n in: {$setUnion: [\"$$value\", \"$$this\"]}}},\n {$reduce: {\n input: \"$specs\",\n initialValue: {$arrayElemAt: [\"$specs\", 0]},\n in: {$setIntersection: [\"$$value\", \"$$this\"]}}}\n ]\n }\n }\n },\n // Only return output that indicates an index was inconsistent, i.e. either a shard was missing\n // an index or a property on at least one shard was not the same on all others.\n {\n $match: {\n $expr:\n {$or: [\n {$gt: [{$size: \"$missingFromShards\"}, 0]},\n {$gt: [{$size: \"$inconsistentProperties\"}, 0]},\n ]\n }\n }\n },\n // Output relevant fields.\n {$project: {_id: 0, indexName: \"$$ROOT._id\", inconsistentProperties: 1, missingFromShards: 1}}\n];","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">const</span> pipeline <!-- -->= <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Get indexes and </span><span class="lg-highlight-comment">the</span><span class="lg-highlight-comment"> shards that they </span><span class="lg-highlight-comment">belong to.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{<span class="lg-highlight-attr">$indexStats</span>: <!-- -->{<!-- -->}}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Attach a list </span><span class="lg-highlight-comment">of</span><span class="lg-highlight-comment"> all shards which </span><span class="lg-highlight-comment">reported</span><span class="lg-highlight-comment"> indexes to each </span><span class="lg-highlight-comment">document from $indexStats.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{<span class="lg-highlight-attr">$group</span>: <!-- -->{<span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-literal">null</span>, <span class="lg-highlight-attr">indexDoc</span>: <!-- -->{<span class="lg-highlight-attr">$push</span>: <span class="lg-highlight-string">"$$ROOT"</span>}<!-- -->, <span class="lg-highlight-attr">allShards</span>: <!-- -->{<span class="lg-highlight-attr">$addToSet</span>: <span class="lg-highlight-string">"$shard"</span>}}}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Unwind the generated </span><span class="lg-highlight-comment">array back into an array of index documents.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{<span class="lg-highlight-attr">$unwind</span>: <span class="lg-highlight-string">"$indexDoc"</span>}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// Group by index name.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$group</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span>: <span class="lg-highlight-string">"$indexDoc.name"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"shards"</span>: <!-- -->{<span class="lg-highlight-attr">$push</span>: <span class="lg-highlight-string">"$indexDoc.shard"</span>}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Convert each index </span><span class="lg-highlight-comment">specification into an array of its properties</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// that can be</span><span class="lg-highlight-comment"> compared using set </span><span class="lg-highlight-comment">operators.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"specs"</span>: <!-- -->{<span class="lg-highlight-attr">$push</span>: <!-- -->{<span class="lg-highlight-attr">$objectToArray</span>: <!-- -->{<span class="lg-highlight-attr">$ifNull</span>: <!-- -->[<span class="lg-highlight-string">"$indexDoc.spec"</span>, <!-- -->{<!-- -->}]}}}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"allShards"</span>: <!-- -->{<span class="lg-highlight-attr">$first</span>: <span class="lg-highlight-string">"$allShards"</span>}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Compute which indexes </span><span class="lg-highlight-comment">are</span><span class="lg-highlight-comment"> not present on </span><span class="lg-highlight-comment">all targeted shards and</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> which index specification </span><span class="lg-highlight-comment">properties</span><span class="lg-highlight-comment"> aren't the same </span><span class="lg-highlight-comment">across all shards.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$project</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">missingFromShards</span>: <!-- -->{<span class="lg-highlight-attr">$setDifference</span>: <!-- -->[<span class="lg-highlight-string">"$allShards"</span>, <span class="lg-highlight-string">"$shards"</span>]}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">inconsistentProperties</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$setDifference</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{<span class="lg-highlight-attr">$reduce</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">input</span>: <span class="lg-highlight-string">"$specs"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">initialValue</span>: <!-- -->{<span class="lg-highlight-attr">$arrayElemAt</span>: <!-- -->[<span class="lg-highlight-string">"$specs"</span>, <span class="lg-highlight-number">0</span>]}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">in</span>: <!-- -->{<span class="lg-highlight-attr">$setUnion</span>: <!-- -->[<span class="lg-highlight-string">"$$value"</span>, <span class="lg-highlight-string">"$$this"</span>]}}}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{<span class="lg-highlight-attr">$reduce</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">input</span>: <span class="lg-highlight-string">"$specs"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">initialValue</span>: <!-- -->{<span class="lg-highlight-attr">$arrayElemAt</span>: <!-- -->[<span class="lg-highlight-string">"$specs"</span>, <span class="lg-highlight-number">0</span>]}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">in</span>: <!-- -->{<span class="lg-highlight-attr">$setIntersection</span>: <!-- -->[<span class="lg-highlight-string">"$$value"</span>, <span class="lg-highlight-string">"$$this"</span>]}}}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Only return output </span><span class="lg-highlight-comment">that indicates an index was inconsistent, i.e.</span><span class="lg-highlight-comment"> either a shard </span><span class="lg-highlight-comment">was missing</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// an index or</span><span class="lg-highlight-comment"> a property on </span><span class="lg-highlight-comment">at</span><span class="lg-highlight-comment"> least one shard </span><span class="lg-highlight-comment">was</span><span class="lg-highlight-comment"> not the same </span><span class="lg-highlight-comment">on all others.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$match</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$expr</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{<span class="lg-highlight-attr">$or</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{<span class="lg-highlight-attr">$gt</span>: <!-- -->[<!-- -->{<span class="lg-highlight-attr">$size</span>: <span class="lg-highlight-string">"$missingFromShards"</span>}<!-- -->, <span class="lg-highlight-number">0</span>]}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{<span class="lg-highlight-attr">$gt</span>: <!-- -->[<!-- -->{<span class="lg-highlight-attr">$size</span>: <span class="lg-highlight-string">"$inconsistentProperties"</span>}<!-- -->, <span class="lg-highlight-number">0</span>]}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// Output relevant fields.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{<span class="lg-highlight-attr">$project</span>: <!-- -->{<span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">0</span>, <span class="lg-highlight-attr">indexName</span>: <span class="lg-highlight-string">"$$ROOT._id"</span>, <span class="lg-highlight-attr">inconsistentProperties</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">missingFromShards</span>: <span class="lg-highlight-number">1</span>}}</td></tr><tr class=""><td class="leafygreen-ui-7razhx">]<!-- -->;</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Run the aggregation pipeline for the sharded collection to test. For
example, to test if the sharded collection
<code class="leafygreen-ui-1l06pbn">
test.reviews
</code>
has
inconsistent indexes across its associated shards:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.getSiblingDB(\"test\").reviews.aggregate(pipeline)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">getSiblingDB</span>(<span class="lg-highlight-string">"test"</span>).<span class="lg-highlight-property">reviews</span>.<span class="lg-highlight-title lg-highlight-function">aggregate</span>(<!-- -->pipeline)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
If the collection has inconsistent indexes, the aggregation for that
collection returns details regarding the inconsistent indexes:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ \"missingFromShards\" : [ \"shardB\" ], \"inconsistentProperties\" : [ ], \"indexName\" : \"page_1_score_1\" }\n{ \"missingFromShards\" : [ ], \"inconsistentProperties\" : [ { \"k\" : \"expireAfterSeconds\", \"v\" : 60 }, { \"k\" : \"expireAfterSeconds\", \"v\" : 600 } ], \"indexName\" : \"reviewDt_1\" }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"missingFromShards"</span> <!-- -->: <!-- -->[ <span class="lg-highlight-string">"shardB"</span> ]<!-- -->, <span class="lg-highlight-string">"inconsistentProperties"</span> <!-- -->: <!-- -->[ <!-- -->]<!-- -->, <span class="lg-highlight-string">"indexName"</span> <!-- -->: <span class="lg-highlight-string">"page_1_score_1"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"missingFromShards"</span> <!-- -->: <!-- -->[ <!-- -->]<!-- -->, <span class="lg-highlight-string">"inconsistentProperties"</span> <!-- -->: <!-- -->[ <!-- -->{ <span class="lg-highlight-string">"k"</span> <!-- -->: <span class="lg-highlight-string">"expireAfterSeconds"</span>, <span class="lg-highlight-string">"v"</span> <!-- -->: <span class="lg-highlight-number">60</span> }<!-- -->, <!-- -->{ <span class="lg-highlight-string">"k"</span> <!-- -->: <span class="lg-highlight-string">"expireAfterSeconds"</span>, <span class="lg-highlight-string">"v"</span> <!-- -->: <span class="lg-highlight-number">600</span> } ]<!-- -->, <span class="lg-highlight-string">"indexName"</span> <!-- -->: <span class="lg-highlight-string">"reviewDt_1"</span> }</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The returned documents indicate two inconsistencies for the sharded
collection
<code class="leafygreen-ui-1l06pbn">
test.reviews
</code>
:
</p>
<ol class="leafygreen-ui-rioki0" type="1">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
An index named
<code class="leafygreen-ui-1l06pbn">
page_1_score_1
</code>
is missing from the collection
on
<code class="leafygreen-ui-1l06pbn">
shardB
</code>
.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
An index named
<code class="leafygreen-ui-1l06pbn">
reviewDt_1
</code>
has inconsistent properties across
the collection's shards, specifically, the
<code class="leafygreen-ui-1l06pbn">
expireAfterSeconds
</code>
properties differ.
</p>
</li>
</ol>
</li>
</ol>
<dl>
<dt>
To resolve the inconsistency where an index is missing from the collection on a particular shard(s),
</dt>
<dd class="css-1ufxuu7">
<p class="leafygreen-ui-1kp3ins">
You can either:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Perform a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/build-indexes-on-sharded-clusters/">
rolling index build
</a>
for the collection
on the affected shard(s).
</p>
<p class="leafygreen-ui-1kp3ins">
-OR-
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Issue an index build
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.createIndex/#mongodb-method-db.collection.createIndex">
<code class="leafygreen-ui-1l06pbn">
db.collection.createIndex()
</code>
</a>
from a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance. The operation only builds the
collection's index on the shard(s) missing the index.
</p>
</li>
</ul>
</dd>
<dt>
To resolve where the index properties differ across the shards,
</dt>
<dd class="css-1ufxuu7">
<p class="leafygreen-ui-1kp3ins">
Drop the incorrect index from the collection on the affected
shard(s) and rebuild the index. To rebuild the index, you can either:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Perform a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/build-indexes-on-sharded-clusters/">
rolling index build
</a>
for the collection
on the affected shard.
</p>
<p class="leafygreen-ui-1kp3ins">
-OR-
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Issue an index build
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.createIndex/#mongodb-method-db.collection.createIndex">
<code class="leafygreen-ui-1l06pbn">
db.collection.createIndex()
</code>
</a>
from a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance. The operation only builds the
collection's index on the shard(s) missing the index.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
Alternatively, if the inconsistency is the
<code class="leafygreen-ui-1l06pbn">
expireAfterSeconds
</code>
property,
you can run the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/collMod/#mongodb-dbcommand-dbcmd.collMod">
<code class="leafygreen-ui-1l06pbn">
collMod
</code>
</a>
command to update the number of
seconds instead of dropping and rebuilding the index.
</p>
</dd>
</dl>
</section>
</section>
|
https://www.mongodb.com/docs/manual/tutorial/migrate-chunks-in-sharded-cluster/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Migrate Ranges in a Sharded Cluster
<a class="headerlink leafygreen-ui-1kepx47" href="#migrate-ranges-in-a-sharded-cluster" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="migrate-ranges-in-a-sharded-cluster">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#change-streams-and-orphan-documents" target="_self">
<span>
Change Streams and Orphan Documents
</span>
</a>
</li>
</ul>
</div>
<p class="leafygreen-ui-1kp3ins">
In most circumstances, you should let the automatic
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-balancer">
balancer
</a>
migrate
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-range">
ranges
</a>
between
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-shard">
shards
</a>
. However,
you may want to migrate ranges manually in a few cases:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
When
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-pre-splitting">
pre-splitting
</a>
an empty collection, migrate ranges
manually to distribute them evenly across the shards. Use
pre-splitting in limited situations to support bulk data ingestion.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If the balancer in an active cluster cannot distribute ranges within
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/manage-sharded-cluster-balancer/#std-label-sharding-schedule-balancing-window">
balancing window
</a>
, then
you will have to migrate ranges manually.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
To manually migrate ranges, use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/moveChunk/#mongodb-dbcommand-dbcmd.moveChunk">
<code class="leafygreen-ui-1l06pbn">
moveChunk
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/moveRange/#mongodb-dbcommand-dbcmd.moveRange">
<code class="leafygreen-ui-1l06pbn">
moveRange
</code>
</a>
command.
</p>
<p class="leafygreen-ui-1kp3ins">
For more information on how the automatic balancer moves ranges between
shards, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-balancer-administration/#std-label-sharding-balancing-internals">
Balancer Internals
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-data-partitioning/#std-label-sharding-range-migration">
Range Migration
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
For more information on tuning the migration, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.chunkMigrationConcurrency">
<code class="leafygreen-ui-1l06pbn">
chunkMigrationConcurrency
</code>
.
</a>
</p>
<div class="leafygreen-ui-vg7qwp" role="note">
<h2 class="leafygreen-ui-2xicti">
Example
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
Migrate a single range
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
The following example assumes that the field
<code class="leafygreen-ui-1l06pbn">
username
</code>
is the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-shard-key">
shard key
</a>
for a collection named
<code class="leafygreen-ui-1l06pbn">
users
</code>
in the
<code class="leafygreen-ui-1l06pbn">
myapp
</code>
database, and that the value
<code class="leafygreen-ui-1l06pbn">
smith
</code>
exists within the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-range">
range
</a>
to migrate. Migrate the range using the following command in
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
.
</span>
</a>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.adminCommand( { moveChunk : \"myapp.users\",\n find : {username : \"smith\"},\n to : \"mongodb-shard3.example.net\" } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">adminCommand</span>( <!-- -->{ <!-- -->moveChunk <!-- -->: <span class="lg-highlight-string">"myapp.users"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->find <!-- -->: <!-- -->{<!-- -->username <!-- -->: <span class="lg-highlight-string">"smith"</span>}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->to <!-- -->: <span class="lg-highlight-string">"mongodb-shard3.example.net"</span> } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
This command moves the range that includes the shard key value "smith" to the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-shard">
shard
</a>
named
<code class="leafygreen-ui-1l06pbn">
mongodb-shard3.example.net
</code>
. The command will
block until the migration is complete.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
To return a list of shards, use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/listShards/#mongodb-dbcommand-dbcmd.listShards">
<code class="leafygreen-ui-1l06pbn">
listShards
</code>
</a>
command.
</p>
</div>
</div>
</div>
</div>
<div class="leafygreen-ui-vg7qwp" role="note">
<h2 class="leafygreen-ui-2xicti">
Example
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
Evenly migrate ranges
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
To evenly migrate ranges for the
<code class="leafygreen-ui-1l06pbn">
myapp.users
</code>
collection,
put each prefix range on the next shard from the other and run
the following commands in the mongo shell:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"var shServer = [ \"sh0.example.net\", \"sh1.example.net\", \"sh2.example.net\", \"sh3.example.net\", \"sh4.example.net\" ];\nfor ( var x=97; x<97+26; x++ ){\n for( var y=97; y<97+26; y+=6 ) {\n var prefix = String.fromCharCode(x) + String.fromCharCode(y);\n db.adminCommand({moveChunk : \"myapp.users\", find : {email : prefix}, to : shServer[(y-97)/6]})\n }\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> shServer <!-- -->= <!-- -->[ <span class="lg-highlight-string">"sh0.example.net"</span>, <span class="lg-highlight-string">"sh1.example.net"</span>, <span class="lg-highlight-string">"sh2.example.net"</span>, <span class="lg-highlight-string">"sh3.example.net"</span>, <span class="lg-highlight-string">"sh4.example.net"</span> ]<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">for</span> <!-- -->( <span class="lg-highlight-keyword">var</span> x<!-- -->=<span class="lg-highlight-number">97</span>; <!-- -->x<!-- --><<span class="lg-highlight-number">97</span>+<span class="lg-highlight-number">26</span>; <!-- -->x<!-- -->+<!-- -->+ <!-- -->)<!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">for</span>( <span class="lg-highlight-keyword">var</span> y<!-- -->=<span class="lg-highlight-number">97</span>; <!-- -->y<!-- --><<span class="lg-highlight-number">97</span>+<span class="lg-highlight-number">26</span>; <!-- -->y<!-- -->+<!-- -->=<span class="lg-highlight-number">6</span> ) <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">var</span> prefix <!-- -->= <span class="lg-highlight-title lg-highlight-class">String</span>.<span class="lg-highlight-title lg-highlight-function">fromCharCode</span>(<!-- -->x) <!-- -->+ <span class="lg-highlight-title lg-highlight-class">String</span>.<span class="lg-highlight-title lg-highlight-function">fromCharCode</span>(<!-- -->y)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->db.<span class="lg-highlight-title lg-highlight-function">adminCommand</span>(<!-- -->{<!-- -->moveChunk <!-- -->: <span class="lg-highlight-string">"myapp.users"</span>, <!-- -->find <!-- -->: <!-- -->{<!-- -->email <!-- -->: <!-- -->prefix}<!-- -->, <!-- -->to <!-- -->: <!-- -->shServer<!-- -->[<!-- -->(<!-- -->y<!-- -->-<span class="lg-highlight-number">97</span>)<!-- -->/<span class="lg-highlight-number">6</span>]})</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/create-chunks-in-sharded-cluster/#std-label-create-ranges-in-a-sharded-cluster">
Create Ranges in a Sharded Cluster
</a>
for an introduction to
pre-splitting.
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/moveChunk/#mongodb-dbcommand-dbcmd.moveChunk">
<code class="leafygreen-ui-1l06pbn">
moveChunk
</code>
</a>
command with the
<code class="leafygreen-ui-1l06pbn">
_secondaryThrottle
</code>
and
<code class="leafygreen-ui-1l06pbn">
writeConcern
</code>
fields to determine when the balancer
proceeds with the next document in the migrating range.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/moveRange/#mongodb-dbcommand-dbcmd.moveRange">
<code class="leafygreen-ui-1l06pbn">
moveRange
</code>
</a>
command with the
<code class="leafygreen-ui-1l06pbn">
secondaryThrottle
</code>
and
<code class="leafygreen-ui-1l06pbn">
writeConcern
</code>
fields to determine when the balancer
proceeds with the next document in the migrating range.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/moveChunk/#mongodb-dbcommand-dbcmd.moveChunk">
<code class="leafygreen-ui-1l06pbn">
moveChunk
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/moveRange/#mongodb-dbcommand-dbcmd.moveRange">
<code class="leafygreen-ui-1l06pbn">
moveRange
</code>
</a>
for details.
</p>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Change Streams and Orphan Documents
<a class="headerlink leafygreen-ui-1kepx47" href="#change-streams-and-orphan-documents" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="change-streams-and-orphan-documents">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 5.3, during
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharding-balancer-administration/#std-label-range-migration-procedure">
range migration
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/changeStreams/#std-label-changeStreams">
change stream
</a>
events are not generated for updates to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-orphaned-document">
orphaned documents
<!-- -->
.
</a>
</p>
</section>
</section>
|
https://www.mongodb.com/docs/manual/release-notes/5.0-upgrade/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Upgrade
<!-- -->
4.4
<!-- -->
to
<!-- -->
5.0
<a class="headerlink leafygreen-ui-1kepx47" href="#upgrade-oldversion-to-newversion" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="upgrade-oldversion-to-newversion">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#upgrade-path" target="_self">
<span>
Upgrade Path
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#procedures" target="_self">
<span>
Procedures
</span>
</a>
</li>
</ul>
</div>
<p class="leafygreen-ui-1kp3ins">
This page lists procedures used to upgrade from
<!-- -->
4.4
<!-- -->
to
<!-- -->
5.0
<!-- -->
.
</p>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Upgrade Path
<a class="headerlink leafygreen-ui-1kepx47" href="#upgrade-path" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="upgrade-path">
</div>
</a>
</h2>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Before you upgrade or downgrade a replica set, ensure all replica set
members are running. If you do not, the upgrade or downgrade will not
complete until all members are started.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
If you need to downgrade from
<!-- -->
5.0
<!-- -->
, downgrade to the latest
patch release of
<!-- -->
4.4
<!-- -->
.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Procedures
<a class="headerlink leafygreen-ui-1kepx47" href="#procedures" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="procedures">
</div>
</a>
</h2>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/release-notes/5.0-upgrade-standalone/#std-label-5.0-upgrade-standalone">
Upgrade a Standalone to 5.0
<!-- -->
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/release-notes/5.0-upgrade-replica-set/#std-label-5.0-upgrade-replica-set">
Upgrade a Replica Set to 5.0
<!-- -->
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/release-notes/5.0-upgrade-sharded-cluster/#std-label-5.0-upgrade-sharded-cluster">
Upgrade a Sharded Cluster to 5.0
<!-- -->
.
</a>
</p>
</li>
</ul>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/command/nav-auditing/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
System Events Auditing Commands
<a class="headerlink leafygreen-ui-1kepx47" href="#system-events-auditing-commands" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="system-events-auditing-commands">
</div>
</a>
</h1>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
For details on a specific command, including syntax and examples,
click on the link to the command's reference page.
</p>
</div>
</div>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:30%"/>
<col style="width:70%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Name
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/logApplicationMessage/#mongodb-dbcommand-dbcmd.logApplicationMessage">
<code class="leafygreen-ui-1l06pbn">
logApplicationMessage
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Posts a custom message to the audit log.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</section>
|
https://www.mongodb.com/docs/manual/reference/resource-document/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Resource Document on Self-Managed Deployments
<a class="headerlink leafygreen-ui-1kepx47" href="#resource-document-on-self-managed-deployments" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="resource-document-on-self-managed-deployments">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#database-and-or-collection-resource" target="_self">
<span>
Database and/or Collection Resource
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#cluster-resource" target="_self">
<span>
Cluster Resource
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#anyresource" target="_self">
<span>
<code class="css-1kekw28 e1wawog0">
anyResource
</code>
</span>
</a>
</li>
</ul>
</div>
<p class="leafygreen-ui-1kp3ins">
The resource document specifies the resources upon which a
privilege permits
<code class="leafygreen-ui-1l06pbn">
actions
</code>
.
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-resource-specific-db-and-or-collection">
</span>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Database and/or Collection Resource
<a class="headerlink leafygreen-ui-1kepx47" href="#database-and-or-collection-resource" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="database-and-or-collection-resource">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
To specify databases and/or collections, use the following syntax:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ db: <database>, collection: <collection> }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">db</span>: <<!-- -->database<!-- -->><!-- -->,<!-- --> <span class="lg-highlight-attr">collection</span>: <<!-- -->collection<!-- -->> <!-- -->}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</div>
</button>
</div>
</div>
</div>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-resource-specific-db-collection">
</span>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Specify a Collection of a Database as Resource
<a class="headerlink leafygreen-ui-1kepx47" href="#specify-a-collection-of-a-database-as-resource" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="specify-a-collection-of-a-database-as-resource">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
If the resource document specifies both the
<code class="leafygreen-ui-1l06pbn">
db
</code>
and
<code class="leafygreen-ui-1l06pbn">
collection
</code>
fields as non-empty strings, the resource is the specified
collection in the specified database. For example, the following
document specifies a resource of the
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection in the
<code class="leafygreen-ui-1l06pbn">
products
</code>
database:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ db: \"products\", collection: \"inventory\" }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">"products"</span>, <span class="lg-highlight-attr">collection</span>: <span class="lg-highlight-string">"inventory"</span> }</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For a user-defined role scoped for a non-
<code class="leafygreen-ui-1l06pbn">
admin
</code>
database, the
resource specification for its privileges must specify the same
database as the role. User-defined roles scoped for the
<code class="leafygreen-ui-1l06pbn">
admin
</code>
database can specify other databases.
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-resource-specific-db">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Specify a Database as Resource
<a class="headerlink leafygreen-ui-1kepx47" href="#specify-a-database-as-resource" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="specify-a-database-as-resource">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
If only the
<code class="leafygreen-ui-1l06pbn">
collection
</code>
field is an empty string (
<code class="leafygreen-ui-1l06pbn">
""
</code>
), the
resource is the specified database, excluding the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/system-collections/">
system
collections
</a>
. For example, the
following resource document specifies the resource of the
<code class="leafygreen-ui-1l06pbn">
test
</code>
database, excluding the system collections:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ db: \"test\", collection: \"\" }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">"test"</span>, <span class="lg-highlight-attr">collection</span>: <span class="lg-highlight-string">""</span> }</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For a user-defined role scoped for a non-
<code class="leafygreen-ui-1l06pbn">
admin
</code>
database, the
resource specification for its privileges must specify the same
database as the role. User-defined roles scoped for the
<code class="leafygreen-ui-1l06pbn">
admin
</code>
database can specify other databases.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
When you specify a database as the resource, system
collections are excluded, unless you name them explicitly, as in the
following:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ db: \"test\", collection: \"system.js\" }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">"test"</span>, <span class="lg-highlight-attr">collection</span>: <span class="lg-highlight-string">"system.js"</span> }</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
System collections include but are not limited to the following:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/system-collections/#mongodb-data--database-.system.profile">
<code class="leafygreen-ui-1l06pbn">
<database>.system.profile
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/system-collections/#mongodb-data--database-.system.js">
<code class="leafygreen-ui-1l06pbn">
<database>.system.js
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/system-users-collection/">
<code class="leafygreen-ui-1l06pbn">
system.users
</code>
Collection in Self-Managed Deployments
</a>
in the
<code class="leafygreen-ui-1l06pbn">
admin
</code>
database
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/system-roles-collection/">
<code class="leafygreen-ui-1l06pbn">
system.roles
</code>
Collection in Self-Managed Deployments
</a>
in the
<code class="leafygreen-ui-1l06pbn">
admin
</code>
database
</p>
</li>
</ul>
</div>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-resource-specific-collection">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Specify Collections Across Databases as Resource
<a class="headerlink leafygreen-ui-1kepx47" href="#specify-collections-across-databases-as-resource" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="specify-collections-across-databases-as-resource">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
If only the
<code class="leafygreen-ui-1l06pbn">
db
</code>
field is an empty string (
<code class="leafygreen-ui-1l06pbn">
""
</code>
), the resource is
all collections with the specified name across all databases. For
example, the following document specifies the resource of all
the
<code class="leafygreen-ui-1l06pbn">
accounts
</code>
collections across all the databases:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ db: \"\", collection: \"accounts\" }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">""</span>, <span class="lg-highlight-attr">collection</span>: <span class="lg-highlight-string">"accounts"</span> }</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For user-defined roles, only roles scoped for the
<code class="leafygreen-ui-1l06pbn">
admin
</code>
database
can have this resource specification for their privileges.
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-resource-all-but-system-collections">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Specify All Non-System Collections in All Databases
<a class="headerlink leafygreen-ui-1kepx47" href="#specify-all-non-system-collections-in-all-databases" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="specify-all-non-system-collections-in-all-databases">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
If both the
<code class="leafygreen-ui-1l06pbn">
db
</code>
and
<code class="leafygreen-ui-1l06pbn">
collection
</code>
fields are empty strings
(
<code class="leafygreen-ui-1l06pbn">
""
</code>
), the resource is all collections, excluding the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/system-collections/">
system
collections
</a>
, in all the databases:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ db: \"\", collection: \"\" }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">""</span>, <span class="lg-highlight-attr">collection</span>: <span class="lg-highlight-string">""</span> }</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For user-defined roles, only roles scoped for the
<code class="leafygreen-ui-1l06pbn">
admin
</code>
database
can have this resource specification for their privileges.
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-resource-cluster">
</span>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Cluster Resource
<a class="headerlink leafygreen-ui-1kepx47" href="#cluster-resource" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="cluster-resource">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
To specify the cluster as the resource, use the following syntax:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ cluster : true }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <!-- -->cluster <!-- -->: <span class="lg-highlight-literal">true</span> }</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Use the
<code class="leafygreen-ui-1l06pbn">
cluster
</code>
resource for actions that affect the state of the
system rather than act on specific set of databases or collections.
Examples of such actions are
<code class="leafygreen-ui-1l06pbn">
shutdown
</code>
,
<code class="leafygreen-ui-1l06pbn">
replSetReconfig
</code>
, and
<code class="leafygreen-ui-1l06pbn">
addShard
</code>
. For example, the following document grants the action
<code class="leafygreen-ui-1l06pbn">
shutdown
</code>
on the
<code class="leafygreen-ui-1l06pbn">
cluster
</code>
.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ resource: { cluster : true }, actions: [ \"shutdown\" ] }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">resource</span>: <!-- -->{ <!-- -->cluster <!-- -->: <span class="lg-highlight-literal">true</span> }<!-- -->, <span class="lg-highlight-attr">actions</span>: <!-- -->[ <span class="lg-highlight-string">"shutdown"</span> ] }</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For user-defined roles, only roles scoped for the
<code class="leafygreen-ui-1l06pbn">
admin
</code>
database
can have this resource specification for their privileges.
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-resource-anyresource">
</span>
<span class="leafygreen-ui-1qnjd6d" id="std-label-anyResource">
</span>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
<code class="leafygreen-ui-1l06pbn">
anyResource
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#anyresource" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="anyresource">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The internal resource
<code class="leafygreen-ui-1l06pbn">
anyResource
</code>
gives access to every resource in
the system and is intended for internal use.
<strong>
Do not
</strong>
use this resource,
other than in exceptional circumstances. The syntax for this resource is
<code class="leafygreen-ui-1l06pbn">
{ anyResource: true }
</code>
.
</p>
</section>
</section>
|
https://www.mongodb.com/docs/manual/tutorial/install-mongodb-on-suse/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Install MongoDB Community Edition on SUSE
<a class="headerlink leafygreen-ui-1kepx47" href="#install-mongodb-community-edition-on-suse" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="install-mongodb-community-edition-on-suse">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#overview" target="_self">
<span>
Overview
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#considerations" target="_self">
<span>
Considerations
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#install-mongodb-community-edition" target="_self">
<span>
Install MongoDB Community Edition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#run-mongodb-community-edition" target="_self">
<span>
Run MongoDB Community Edition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#uninstall-mongodb-community-edition" target="_self">
<span>
Uninstall MongoDB Community Edition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#additional-information" target="_self">
<span>
Additional Information
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Overview
<a class="headerlink leafygreen-ui-1kepx47" href="#overview" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="overview">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Use this tutorial to install MongoDB 8.0
<!-- -->
Community
<!-- -->
Edition on SUSE Linux Enterprise Server (SLES) using the
<code class="leafygreen-ui-1l06pbn">
zypper
</code>
package manager.
</p>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
MongoDB Version
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-version" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-version">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
This tutorial installs MongoDB 8.0
<!-- -->
Community
<!-- -->
Edition. To install a different version of MongoDB
<!-- -->
Community
<!-- -->
,
use the version drop-down menu in the upper-left corner of this page to
select the documentation for that version.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Considerations
<a class="headerlink leafygreen-ui-1kepx47" href="#considerations" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="considerations">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Platform Support
<a class="headerlink leafygreen-ui-1kepx47" href="#platform-support" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="platform-support">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
MongoDB 8.0 Community Edition supports the following
<strong class="css-4dei7l">
64-bit
</strong>
SUSE Linux Enterprise Server (SLES) releases on
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/production-notes/#std-label-prod-notes-supported-platforms-x86_64">
x86_64
</a>
architecture:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<span class="leafygreen-ui-vm4wms" tabindex="0">
SLES
</span>
15
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
MongoDB only supports the 64-bit versions of these platforms.
</p>
<p class="leafygreen-ui-1kp3ins">
See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/production-notes/#std-label-prod-notes-supported-platforms">
Platform Support
</a>
for more information.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Production Notes
<a class="headerlink leafygreen-ui-1kepx47" href="#production-notes" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="production-notes">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Before deploying MongoDB in a production environment, consider the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/production-notes/">
Production Notes for Self-Managed Deployments
</a>
document which offers
performance considerations and configuration recommendations for
production MongoDB deployments.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Install MongoDB Community Edition
<a class="headerlink leafygreen-ui-1kepx47" href="#install-mongodb-community-edition" title="Permalink to this heading">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="install-mongodb-community-edition">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Follow these steps to install MongoDB
<!-- -->
Community
<!-- -->
Edition using the
<code class="leafygreen-ui-1l06pbn">
zypper
</code>
package manager.
</p>
<script class="structured_data" type="application/ld+json">
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</script>
<div class="css-4nyere eccljxs0">
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Import the MongoDB public key.
<a class="headerlink leafygreen-ui-1kepx47" href="#import-the-mongodb-public-key" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="import-the-mongodb-public-key">
</div>
</a>
</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo rpm --import https://pgp.mongodb.com/server-8.0.asc\n","programmingLanguage":"Shell"}
</script>
<div class="css-16lmvu9">
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<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light shell leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo rpm --import https://pgp.mongodb.com/server-8.0.asc</td></tr></tbody></table></code></pre>
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<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Add the MongoDB repository.
<a class="headerlink leafygreen-ui-1kepx47" href="#add-the-mongodb-repository" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="add-the-mongodb-repository">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Add the repository so that you can install MongoDB. Use the command
appropriate for your version of SUSE:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo zypper addrepo --gpgcheck \"https://repo.mongodb.org/zypper/suse/15/mongodb-org/8.0/x86_64/\" mongodb","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo zypper addrepo --gpgcheck <span class="lg-highlight-string">"https://repo.mongodb.org/zypper/suse/15/mongodb-org/8.0/x86_64/"</span> mongodb</td></tr></tbody></table></code></pre>
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3
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<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Install the MongoDB packages.
<a class="headerlink leafygreen-ui-1kepx47" href="#install-the-mongodb-packages" title="Permalink to this heading">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="install-the-mongodb-packages">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To install the latest version of MongoDB, issue the following
command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo zypper -n install mongodb-org\n","programmingLanguage":"Shell"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light shell leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo zypper -n install mongodb-org</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
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</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
To install a specific release of MongoDB, specify each
component package individually and append the version number to the
package name, as in the following example:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo zypper install mongodb-org-8.0.0 mongodb-org-database-8.0.0 mongodb-org-server-8.0.0 mongodb-mongosh mongodb-org-mongos-8.0.0 mongodb-org-tools-8.0.0\n","programmingLanguage":"Shell"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light shell leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo zypper install mongodb-org-8.0.0 mongodb-org-database-8.0.0 mongodb-org-server-8.0.0 mongodb-mongosh mongodb-org-mongos-8.0.0 mongodb-org-tools-8.0.0</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
You can specify any available version of MongoDB. However
<code class="leafygreen-ui-1l06pbn">
zypper
</code>
upgrades the packages when a newer version becomes available. To
prevent unintended upgrades, pin the packages by running the following
command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo zypper addlock mongodb-org-8.0.0 mongodb-org-database-8.0.0 mongodb-org-server-8.0.0 mongodb-mongosh mongodb-org-mongos-8.0.0 mongodb-org-tools-8.0.0\n","programmingLanguage":"Shell"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light shell leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo zypper addlock mongodb-org-8.0.0 mongodb-org-database-8.0.0 mongodb-org-server-8.0.0 mongodb-mongosh mongodb-org-mongos-8.0.0 mongodb-org-tools-8.0.0</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Previous versions of MongoDB packages use a different repository location.
Refer to the version of the documentation appropriate for
your MongoDB version.
</p>
</section>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Run MongoDB Community Edition
<a class="headerlink leafygreen-ui-1kepx47" href="#run-mongodb-community-edition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="run-mongodb-community-edition">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
ulimit Considerations
<a class="headerlink leafygreen-ui-1kepx47" href="#ulimit-considerations" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="ulimit-considerations">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Most Unix-like operating systems limit the system resources that a
process may use. These limits may negatively impact MongoDB operation,
and should be adjusted. See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/ulimit/">
UNIX
<code class="leafygreen-ui-1l06pbn">
ulimit
</code>
Settings for Self-Managed Deployments
</a>
for the recommended
settings for your platform.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
If the
<code class="leafygreen-ui-1l06pbn">
ulimit
</code>
value for number of open files is under
<code class="leafygreen-ui-1l06pbn">
64000
</code>
, MongoDB
generates a startup warning.
</p>
</div>
</div>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Directories
<a class="headerlink leafygreen-ui-1kepx47" href="#directories" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="directories">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
By default, a MongoDB instance stores:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
its data files in
<code class="leafygreen-ui-1l06pbn">
/var/lib/mongo
</code>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
its log files in
<code class="leafygreen-ui-1l06pbn">
/var/log/mongodb
</code>
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
If you installed via the package manager, these default directories are
created during the installation.
</p>
<p class="leafygreen-ui-1kp3ins">
If you installed manually by downloading the tarballs, you can create
the directories using
<code class="leafygreen-ui-1l06pbn">
mkdir -p <directory>
</code>
or
<code class="leafygreen-ui-1l06pbn">
sudo mkdir -p
<directory>
</code>
depending on the user that will run MongoDB. (See your
linux man pages for information on
<code class="leafygreen-ui-1l06pbn">
mkdir
</code>
and
<code class="leafygreen-ui-1l06pbn">
sudo
</code>
.)
</p>
<p class="leafygreen-ui-1kp3ins">
By default, MongoDB runs using the
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
user account. If you
change the user that runs the MongoDB process, you
<strong>
must
</strong>
also modify
the permission to the
<code class="leafygreen-ui-1l06pbn">
/var/lib/mongo
</code>
and
<code class="leafygreen-ui-1l06pbn">
/var/log/mongodb
</code>
directories to give this user access to these directories.
</p>
<p class="leafygreen-ui-1kp3ins">
To specify a different log file directory and data file directory, edit
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-systemLog.path">
<code class="leafygreen-ui-1l06pbn">
systemLog.path
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-storage.dbPath">
<code class="leafygreen-ui-1l06pbn">
storage.dbPath
</code>
</a>
settings in
the
<code class="leafygreen-ui-1l06pbn">
/etc/mongod.conf
</code>
. Ensure that the user running MongoDB has
access to these directories.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Procedure
<a class="headerlink leafygreen-ui-1kepx47" href="#procedure" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="procedure">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Follow these steps to run MongoDB
<!-- -->
Community
<!-- -->
Edition. These instructions
assume that you are using the default settings.
</p>
<p class="leafygreen-ui-1kp3ins">
<strong>
Init System
</strong>
</p>
<p class="leafygreen-ui-1kp3ins">
To run and manage your
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
process, you will be using
your operating system's built-in
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-init-system">
init system
</a>
. Recent versions of
Linux tend to use
<strong>
systemd
</strong>
(which uses the
<code class="leafygreen-ui-1l06pbn">
systemctl
</code>
command),
while older versions of Linux tend to use
<strong>
System V init
</strong>
(which uses
the
<code class="leafygreen-ui-1l06pbn">
service
</code>
command).
</p>
<p class="leafygreen-ui-1kp3ins">
If you are unsure which init system your platform uses, run the
following command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"ps --no-headers -o comm 1","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">ps --no-headers -o <span class="lg-highlight-built_in">comm</span> 1</td></tr></tbody></table></code></pre>
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<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Then select the appropriate tab below based on the result:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
systemd
</code>
- select the
<strong>
systemd (systemctl)
</strong>
tab below.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
init
</code>
- select the
<strong>
System V Init (service)
</strong>
tab below.
</p>
</li>
</ul>
<div class="line-block">
<div class="line">
<br/>
</div>
</div>
<div aria-hidden="true">
</div>
<div class="leafygreen-ui-1b75luy" data-lgid="lg-tabs">
<div class="leafygreen-ui-jp7pox" id="tabs-27">
<div aria-label="Tabs to describe usage of systemd-systemctl/systemvinit-service" aria-orientation="horizontal" class="leafygreen-ui-m8p1vb lg-ui-tab-list-0000" data-lgid="lg-tabs-tab_list" role="tablist">
<button aria-controls="_fwwxi4nsu" aria-selected="true" class="leafygreen-ui-1l773z1" data-text="" id="_ul7u8bspz" name="" role="tab" tabindex="0">
<div class="leafygreen-ui-1nxuzmg">
systemd (systemctl)
</div>
</button>
<button aria-controls="_v3lusf9p0" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_d042nmvgn" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
System V Init (service)
</div>
</button>
</div>
<div class="leafygreen-ui-ov1ktg">
<div class="leafygreen-ui-1sg2lsz">
</div>
</div>
</div>
<div class="lg-ui-tab-panels-0000" data-lgid="lg-tabs-tab_panels">
<div>
<div aria-labelledby="_pfin57pic" class="" id="_uqscp3t1b" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"Start MongoDB.You can start the mongod process by issuing the\nfollowing command:If you receive an error similar to the following when starting\nmongod:Failed to start mongod.service: Unit mongod.service not found.Run the following command first:Then run the start command above again."},{"@type":"HowToStep","text":"Verify that MongoDB has started successfully.You can verify that the mongod process has started\nsuccessfully by issuing the following command:You can optionally ensure that MongoDB will start following a\nsystem reboot by issuing the following command:"},{"@type":"HowToStep","text":"Stop MongoDB.As needed, you can stop the mongod process by issuing the\nfollowing command:"},{"@type":"HowToStep","text":"Restart MongoDB.You can restart the mongod process by issuing the following\ncommand:You can follow the state of the process for errors or important messages\nby watching the output in the /var/log/mongodb/mongod.log file."},{"@type":"HowToStep","text":"Begin using MongoDB.Start a mongosh session on the same host machine as the\nmongod. You can run mongosh\nwithout any command-line options to connect to a\nmongod that is running on your localhost with default\nport 27017.For more information on connecting using mongosh,\nsuch as to connect to a mongod instance running\non a different host and/or port, see the\nmongosh documentation.To help you start using MongoDB, MongoDB provides Getting\nStarted Guides in various driver editions. For the\ndriver documentation, see Start Developing with MongoDB."}],"name":"Procedure - systemd (systemctl)","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
</script>
<div class="css-4nyere eccljxs0">
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Start MongoDB.
<a class="headerlink leafygreen-ui-1kepx47" href="#start-mongodb" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="start-mongodb">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
You can start the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
process by issuing the
following command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo systemctl start mongod\n","programmingLanguage":"Shell"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light shell leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo systemctl start mongod</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
If you receive an error similar to the following when starting
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
:
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
Failed to start mongod.service: Unit mongod.service not found.
</code>
</p>
<p class="leafygreen-ui-1kp3ins">
Run the following command first:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo systemctl daemon-reload\n","programmingLanguage":"Shell"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light shell leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo systemctl daemon-reload</td></tr></tbody></table></code></pre>
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<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Then run the start command above again.
</p>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Verify that MongoDB has started successfully.
<a class="headerlink leafygreen-ui-1kepx47" href="#verify-that-mongodb-has-started-successfully" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="verify-that-mongodb-has-started-successfully">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
You can verify that the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
process has started
successfully by issuing the following command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo systemctl status mongod\n","programmingLanguage":"Shell"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light shell leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo systemctl status mongod</td></tr></tbody></table></code></pre>
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
You can optionally ensure that MongoDB will start following a
system reboot by issuing the following command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo systemctl enable mongod\n","programmingLanguage":"Shell"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light shell leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo systemctl enable mongod</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
3
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Stop MongoDB.
<a class="headerlink leafygreen-ui-1kepx47" href="#stop-mongodb" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="stop-mongodb">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
As needed, you can stop the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
process by issuing the
following command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo systemctl stop mongod\n","programmingLanguage":"Shell"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light shell leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo systemctl stop mongod</td></tr></tbody></table></code></pre>
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4
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<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Restart MongoDB.
<a class="headerlink leafygreen-ui-1kepx47" href="#restart-mongodb" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="restart-mongodb">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
You can restart the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
process by issuing the following
command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo systemctl restart mongod\n","programmingLanguage":"Shell"}
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<div class="leafygreen-ui-196mwvg">
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light shell leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo systemctl restart mongod</td></tr></tbody></table></code></pre>
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</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
You can follow the state of the process for errors or important messages
by watching the output in the
<code class="leafygreen-ui-1l06pbn">
/var/log/mongodb/mongod.log
</code>
file.
</p>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
5
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Begin using MongoDB.
<a class="headerlink leafygreen-ui-1kepx47" href="#begin-using-mongodb" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="begin-using-mongodb">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Start a
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
session on the same host machine as the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
. You can run
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
without any command-line options to connect to a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
that is running on your localhost with default
port 27017.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"\nmongosh\n","programmingLanguage":"Shell"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light shell leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongosh</td></tr></tbody></table></code></pre>
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</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For more information on connecting using
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
,
such as to connect to a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance running
on a different host and/or port, see the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/" target="_self">
<span>
mongosh documentation
<!-- -->
.
</span>
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
To help you start using MongoDB, MongoDB provides
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/getting-started/#std-label-getting-started">
Getting
Started Guides
</a>
in various driver editions. For the
driver documentation, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://api.mongodb.com/" target="_self">
<span>
Start Developing with MongoDB
<!-- -->
.
</span>
</a>
</p>
</section>
</div>
</div>
</div>
</div>
</div>
</div>
<div>
<div aria-labelledby="_k8pvtexdn" class="leafygreen-ui-38lglc" id="_rgafnz2gj" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"Start MongoDB.You can start the mongod process by issuing the following\ncommand:"},{"@type":"HowToStep","text":"Verify that MongoDB has started successfullyYou can verify that the mongod process has started\nsuccessfully by checking the contents of the log file at\n/var/log/mongodb/mongod.log\nfor a line readingwhere <port> is the port configured in /etc/mongod.conf, 27017 by default.You can optionally ensure that MongoDB will start following a system\nreboot by issuing the following command:"},{"@type":"HowToStep","text":"Stop MongoDB.As needed, you can stop the mongod process by issuing the\nfollowing command:"},{"@type":"HowToStep","text":"Restart MongoDB.You can restart the mongod process by issuing the following\ncommand:You can follow the state of the process for errors or important messages\nby watching the output in the /var/log/mongodb/mongod.log file."},{"@type":"HowToStep","text":"Begin using MongoDB.Start a mongosh session on the same host machine as the\nmongod. You can run mongosh\nwithout any command-line options to connect to a\nmongod that is running on your localhost with default\nport 27017.For more information on connecting using mongosh,\nsuch as to connect to a mongod instance running\non a different host and/or port, see the\nmongosh documentation.To help you start using MongoDB, MongoDB provides Getting\nStarted Guides in various driver editions. For the\ndriver documentation, see Start Developing with MongoDB."}],"name":"Procedure - System V Init (service)","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
</script>
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1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Start MongoDB.
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<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="start-mongodb-1">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
You can start the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
process by issuing the following
command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo service mongod start\n","programmingLanguage":"Shell"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light shell leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo service mongod start</td></tr></tbody></table></code></pre>
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</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Verify that MongoDB has started successfully
<a class="headerlink leafygreen-ui-1kepx47" href="#verify-that-mongodb-has-started-successfully-1" title="Permalink to this heading">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="verify-that-mongodb-has-started-successfully-1">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
You can verify that the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
process has started
successfully by checking the contents of the log file at
<code class="leafygreen-ui-1l06pbn">
/var/log/mongodb/mongod.log
</code>
for a line reading
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"[initandlisten] waiting for connections on port <port>\n"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">[initandlisten] waiting for connections on port <port></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
where
<code class="leafygreen-ui-1l06pbn">
<port>
</code>
is the port configured in
<code class="leafygreen-ui-1l06pbn">
/etc/mongod.conf
</code>
,
<code class="leafygreen-ui-1l06pbn">
27017
</code>
by default.
</p>
<p class="leafygreen-ui-1kp3ins">
You can optionally ensure that MongoDB will start following a system
reboot by issuing the following command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo chkconfig mongod on\n","programmingLanguage":"Shell"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light shell leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo chkconfig mongod on</td></tr></tbody></table></code></pre>
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<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
3
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Stop MongoDB.
<a class="headerlink leafygreen-ui-1kepx47" href="#stop-mongodb-1" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="stop-mongodb-1">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
As needed, you can stop the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
process by issuing the
following command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo service mongod stop\n","programmingLanguage":"Shell"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light shell leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo service mongod stop</td></tr></tbody></table></code></pre>
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</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
4
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Restart MongoDB.
<a class="headerlink leafygreen-ui-1kepx47" href="#restart-mongodb-1" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="restart-mongodb-1">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
You can restart the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
process by issuing the following
command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo service mongod restart\n","programmingLanguage":"Shell"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light shell leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo service mongod restart</td></tr></tbody></table></code></pre>
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<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
You can follow the state of the process for errors or important messages
by watching the output in the
<code class="leafygreen-ui-1l06pbn">
/var/log/mongodb/mongod.log
</code>
file.
</p>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
5
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Begin using MongoDB.
<a class="headerlink leafygreen-ui-1kepx47" href="#begin-using-mongodb-1" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="begin-using-mongodb-1">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Start a
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
session on the same host machine as the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
. You can run
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
without any command-line options to connect to a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
that is running on your localhost with default
port 27017.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"\nmongosh\n","programmingLanguage":"Shell"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light shell leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongosh</td></tr></tbody></table></code></pre>
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<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For more information on connecting using
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
,
such as to connect to a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance running
on a different host and/or port, see the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/" target="_self">
<span>
mongosh documentation
<!-- -->
.
</span>
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
To help you start using MongoDB, MongoDB provides
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/getting-started/#std-label-getting-started">
Getting
Started Guides
</a>
in various driver editions. For the
driver documentation, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://api.mongodb.com/" target="_self">
<span>
Start Developing with MongoDB
<!-- -->
.
</span>
</a>
</p>
</section>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Uninstall MongoDB Community Edition
<a class="headerlink leafygreen-ui-1kepx47" href="#uninstall-mongodb-community-edition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="uninstall-mongodb-community-edition">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
To completely remove MongoDB from a system, you must remove the MongoDB
applications themselves, the configuration files, and any directories containing
data and logs. The following section guides you through the necessary steps.
</p>
<div class="leafygreen-ui-1sjx7ru" role="note">
<h2 class="leafygreen-ui-29m78u">
Warning
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
This process will
<em>
completely
</em>
remove MongoDB, its configuration, and
<em>
all
</em>
databases. This process is not reversible, so ensure that all of your
configuration and data is backed up before proceeding.
</p>
</div>
</div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"Stop MongoDB.Stop the mongod process by issuing the following command:"},{"@type":"HowToStep","text":"Remove Packages.Remove any MongoDB packages that you had previously installed."},{"@type":"HowToStep","text":"Remove Data Directories.Remove MongoDB databases and log files."}],"name":"Uninstall MongoDB Community Edition","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
</script>
<div class="css-4nyere eccljxs0">
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Stop MongoDB.
<a class="headerlink leafygreen-ui-1kepx47" href="#stop-mongodb-2" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="stop-mongodb-2">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Stop the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
process by issuing the following command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo service mongod stop\n","programmingLanguage":"Shell"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light shell leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo service mongod stop</td></tr></tbody></table></code></pre>
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</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Remove Packages.
<a class="headerlink leafygreen-ui-1kepx47" href="#remove-packages" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="remove-packages">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Remove any MongoDB packages that you had previously installed.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo zypper remove $(rpm -qa | grep mongodb-org)\n","programmingLanguage":"Shell"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light shell leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo zypper remove $(rpm -qa | grep mongodb-org)</td></tr></tbody></table></code></pre>
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</div>
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3
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Remove Data Directories.
<a class="headerlink leafygreen-ui-1kepx47" href="#remove-data-directories" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="remove-data-directories">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Remove MongoDB databases and log files.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo rm -r /var/log/mongodb\nsudo rm -r /var/lib/mongo\n","programmingLanguage":"Shell"}
</script>
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<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light shell leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo rm -r /var/log/mongodb</td></tr><tr class=""><td class="leafygreen-ui-7razhx">sudo rm -r /var/lib/mongo</td></tr></tbody></table></code></pre>
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</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Additional Information
<a class="headerlink leafygreen-ui-1kepx47" href="#additional-information" title="Permalink to this heading">
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<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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<div class="css-1btu0w3 evvkmar0" id="additional-information">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Localhost Binding by Default
<a class="headerlink leafygreen-ui-1kepx47" href="#localhost-binding-by-default" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="localhost-binding-by-default">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
By default, MongoDB launches with
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.bindIp">
<code class="leafygreen-ui-1l06pbn">
bindIp
</code>
</a>
set to
<code class="leafygreen-ui-1l06pbn">
127.0.0.1
</code>
, which binds to the localhost network interface. This
means that the
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
can only accept connections from
clients that are running on the same machine. Remote clients will not be
able to connect to the
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
, and the
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
will
not be able to initialize a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-replica-set">
replica set
</a>
unless this value is set
to a valid network interface.
</p>
<p class="leafygreen-ui-1kp3ins">
This value can be configured either:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
in the MongoDB configuration file with
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.bindIp">
<code class="leafygreen-ui-1l06pbn">
bindIp
</code>
</a>
, or
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
via the command-line argument
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--bind_ip">
<code class="leafygreen-ui-1l06pbn">
--bind_ip
</code>
</a>
</p>
</li>
</ul>
<div class="leafygreen-ui-1sjx7ru" role="note">
<h2 class="leafygreen-ui-29m78u">
Warning
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Before you bind your instance to a publicly-accessible IP address,
you must secure your cluster from unauthorized access. For a complete
list of security recommendations, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/security-checklist/#std-label-security-checklist">
Security Checklist for Self-Managed Deployments
</a>
. At minimum, consider
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/security-checklist/#std-label-checklist-auth">
enabling authentication
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/security-hardening/#std-label-network-config-hardening">
hardening
network infrastructure
<!-- -->
.
</a>
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For more information on configuring
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.bindIp">
<code class="leafygreen-ui-1l06pbn">
bindIp
</code>
</a>
, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/security-mongodb-configuration/">
IP Binding in Self-Managed Deployments
<!-- -->
.
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
MongoDB Community Edition Packages
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-community-edition-packages" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-community-edition-packages">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
MongoDB Community Edition is available from its own dedicated
repository, and contains the following officially-supported packages:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:25%"/>
<col style="width:75%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Package Name
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
mongodb-org
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
A
<code class="leafygreen-ui-1l06pbn">
metapackage
</code>
that automatically installs the component
packages listed below.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
mongodb-org-database
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
A
<code class="leafygreen-ui-1l06pbn">
metapackage
</code>
that automatically installs the component
packages listed below.
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:50%"/>
<col style="width:50%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Package Name
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
mongodb-org-server
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Contains the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
daemon, associated init
script, and a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#std-label-conf-file">
configuration file
</a>
(
<code class="leafygreen-ui-1l06pbn">
/etc/mongod.conf
</code>
). You
can use the initialization script to start
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
with the configuration file. For details, see the "Run MongoDB
Community Edition" section, above.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
mongodb-org-mongos
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Contains the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
daemon.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
mongodb-mongosh
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Contains the MongoDB Shell (
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
).
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
mongodb-org-tools
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
A
<code class="leafygreen-ui-1l06pbn">
metapackage
</code>
that automatically installs the component
packages listed below:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:50%"/>
<col style="width:50%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Package Name
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
mongodb-database-tools
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Contains the following MongoDB database tools:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/database-tools/mongodump/#mongodb-binary-bin.mongodump" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongodump
</code>
</span>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/database-tools/mongorestore/#mongodb-binary-bin.mongorestore" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongorestore
</code>
</span>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/database-tools/bsondump/#mongodb-binary-bin.bsondump" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
bsondump
</code>
</span>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/database-tools/mongoimport/#mongodb-binary-bin.mongoimport" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongoimport
</code>
</span>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/database-tools/mongoexport/#mongodb-binary-bin.mongoexport" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongoexport
</code>
</span>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/database-tools/mongostat/#mongodb-binary-bin.mongostat" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongostat
</code>
</span>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/database-tools/mongotop/#mongodb-binary-bin.mongotop" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongotop
</code>
</span>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/database-tools/mongofiles/#mongodb-binary-bin.mongofiles" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongofiles
</code>
</span>
</a>
</p>
</li>
</ul>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
mongodb-org-database-tools-extra
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Contains the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/install_compass/#std-label-install-compass">
<code class="leafygreen-ui-1l06pbn">
install_compass
</code>
</a>
script
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</section>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/operator/aggregation/lt/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
$lt (aggregation)
<a class="headerlink leafygreen-ui-1kepx47" href="#-lt--aggregation-" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="-lt--aggregation-">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
<span>
Definition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#example" target="_self">
<span>
Example
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Definition
<a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="definition">
</div>
</a>
</h2>
<dl class="expression">
<dt>
<code class="leafygreen-ui-1l06pbn">
$lt
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-expression-exp.-lt" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-expression-exp.-lt">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Compares two values and returns:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
true
</code>
when the first value is
<em>
less than
</em>
the second value.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
false
</code>
when the first value is
<em>
greater than or equivalent to
</em>
the
second value.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-expression-exp.-lt" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$lt
</code>
</span>
</a>
compares both value and type, using the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/bson-type-comparison-order/#std-label-bson-types-comparison-order">
specified BSON comparison order
</a>
for values of different types.
</p>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-expression-exp.-lt" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$lt
</code>
</span>
</a>
has the following syntax:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ $lt: [ <expression1>, <expression2> ] }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-attr">$lt</span>: <!-- -->[ <<!-- -->expression1<!-- -->><!-- -->,<!-- --> <!-- --><<!-- -->expression2<!-- -->> <!-- -->] }</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For more information on expressions, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/#std-label-aggregation-expressions">
Expression Operators
<!-- -->
.
</a>
</p>
</dd>
</dl>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Example
<a class="headerlink leafygreen-ui-1kepx47" href="#example" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="example">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Consider an
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection with the following documents:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.inventory.insertMany( [\n { _id : 1, item : \"abc1\", description: \"product 1\", qty: 300 },\n { _id : 2, item : \"abc2\", description: \"product 2\", qty: 200 },\n { _id : 3, item : \"xyz1\", description: \"product 3\", qty: 250 },\n { _id : 4, item : \"VWZ1\", description: \"product 4\", qty: 300 },\n { _id : 5, item : \"VWZ2\", description: \"product 5\", qty: 180 }\n] )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">inventory</span>.<span class="lg-highlight-title lg-highlight-function">insertMany</span>( <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <!-- -->_id <!-- -->: <span class="lg-highlight-number">1</span>, <!-- -->item <!-- -->: <span class="lg-highlight-string">"abc1"</span>, <span class="lg-highlight-attr">description</span>: <span class="lg-highlight-string">"product 1"</span>, <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">300</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <!-- -->_id <!-- -->: <span class="lg-highlight-number">2</span>, <!-- -->item <!-- -->: <span class="lg-highlight-string">"abc2"</span>, <span class="lg-highlight-attr">description</span>: <span class="lg-highlight-string">"product 2"</span>, <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">200</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <!-- -->_id <!-- -->: <span class="lg-highlight-number">3</span>, <!-- -->item <!-- -->: <span class="lg-highlight-string">"xyz1"</span>, <span class="lg-highlight-attr">description</span>: <span class="lg-highlight-string">"product 3"</span>, <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">250</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <!-- -->_id <!-- -->: <span class="lg-highlight-number">4</span>, <!-- -->item <!-- -->: <span class="lg-highlight-string">"VWZ1"</span>, <span class="lg-highlight-attr">description</span>: <span class="lg-highlight-string">"product 4"</span>, <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">300</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <!-- -->_id <!-- -->: <span class="lg-highlight-number">5</span>, <!-- -->item <!-- -->: <span class="lg-highlight-string">"VWZ2"</span>, <span class="lg-highlight-attr">description</span>: <span class="lg-highlight-string">"product 5"</span>, <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">180</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">] )</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The following operation uses the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-expression-exp.-lt" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$lt
</code>
</span>
</a>
operator to
determine if
<code class="leafygreen-ui-1l06pbn">
qty
</code>
is less than
<code class="leafygreen-ui-1l06pbn">
250
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.inventory.aggregate(\n [\n {\n $project:\n {\n item: 1,\n qty: 1,\n qtyLt250: { $lt: [ \"$qty\", 250 ] },\n _id: 0\n }\n }\n ]\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">inventory</span>.<span class="lg-highlight-title lg-highlight-function">aggregate</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$project</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">item</span>: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">qtyLt250</span>: <!-- -->{ <span class="lg-highlight-attr">$lt</span>: <!-- -->[ <span class="lg-highlight-string">"$qty"</span>, <span class="lg-highlight-number">250</span> ] }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">0</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The operation returns the following results:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ \"item\" : \"abc1\", \"qty\" : 300, \"qtyLt250\" : false }\n{ \"item\" : \"abc2\", \"qty\" : 200, \"qtyLt250\" : true }\n{ \"item\" : \"xyz1\", \"qty\" : 250, \"qtyLt250\" : false }\n{ \"item\" : \"VWZ1\", \"qty\" : 300, \"qtyLt250\" : false }\n{ \"item\" : \"VWZ2\", \"qty\" : 180, \"qtyLt250\" : true }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"item"</span> <!-- -->: <span class="lg-highlight-string">"abc1"</span>, <span class="lg-highlight-string">"qty"</span> <!-- -->: <span class="lg-highlight-number">300</span>, <span class="lg-highlight-string">"qtyLt250"</span> <!-- -->: <span class="lg-highlight-literal">false</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"item"</span> <!-- -->: <span class="lg-highlight-string">"abc2"</span>, <span class="lg-highlight-string">"qty"</span> <!-- -->: <span class="lg-highlight-number">200</span>, <span class="lg-highlight-string">"qtyLt250"</span> <!-- -->: <span class="lg-highlight-literal">true</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"item"</span> <!-- -->: <span class="lg-highlight-string">"xyz1"</span>, <span class="lg-highlight-string">"qty"</span> <!-- -->: <span class="lg-highlight-number">250</span>, <span class="lg-highlight-string">"qtyLt250"</span> <!-- -->: <span class="lg-highlight-literal">false</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"item"</span> <!-- -->: <span class="lg-highlight-string">"VWZ1"</span>, <span class="lg-highlight-string">"qty"</span> <!-- -->: <span class="lg-highlight-number">300</span>, <span class="lg-highlight-string">"qtyLt250"</span> <!-- -->: <span class="lg-highlight-literal">false</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"item"</span> <!-- -->: <span class="lg-highlight-string">"VWZ2"</span>, <span class="lg-highlight-string">"qty"</span> <!-- -->: <span class="lg-highlight-number">180</span>, <span class="lg-highlight-string">"qtyLt250"</span> <!-- -->: <span class="lg-highlight-literal">true</span> }</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</div>
</div>
</section>
</section>
|
https://www.mongodb.com/docs/manual/administration/production-notes/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Production Notes for Self-Managed Deployments
<a class="headerlink leafygreen-ui-1kepx47" href="#production-notes-for-self-managed-deployments" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="production-notes-for-self-managed-deployments">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#platform-support" target="_self">
<span>
Platform Support
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#platform-support-notes" target="_self">
<span>
Platform Support Notes
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#platform-support-matrix" target="_self">
<span>
Platform Support Matrix
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#mongodb-dbpath" target="_self">
<span>
MongoDB
<code class="css-1kekw28 e1wawog0">
dbPath
</code>
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#concurrency" target="_self">
<span>
Concurrency
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#data-consistency" target="_self">
<span>
Data Consistency
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#networking" target="_self">
<span>
Networking
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#hardware-considerations" target="_self">
<span>
Hardware Considerations
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#architecture" target="_self">
<span>
Architecture
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#compression" target="_self">
<span>
Compression
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#clock-synchronization" target="_self">
<span>
Clock Synchronization
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#platform-specific-considerations" target="_self">
<span>
Platform Specific Considerations
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#performance-monitoring" target="_self">
<span>
Performance Monitoring
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#backups" target="_self">
<span>
Backups
</span>
</a>
</li>
</ul>
</div>
<p class="leafygreen-ui-1kp3ins">
This page details system configurations that affect MongoDB,
especially when running in production.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/atlas/database?tck=docs_server" target="_self">
<span>
MongoDB Atlas
</span>
</a>
is a
cloud-hosted database-as-a-service.
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://cloud.mongodb.com/?tck=docs_server" target="_self">
<span>
MongoDB Cloud Manager
</span>
</a>
, a hosted service,
and
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/products/mongodb-enterprise-advanced?tck=docs_server" target="_self">
<span>
Ops Manager
</span>
</a>
,
an on-premise solution, provide monitoring, backup, and
automation of MongoDB instances. For documentation, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://docs.atlas.mongodb.com?tck=docs_server" target="_self">
<span>
Atlas
documentation
</span>
</a>
, the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/cloud-manager/" target="_self">
<span>
MongoDB Cloud Manager documentation
</span>
</a>
and
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://docs.opsmanager.mongodb.com?tck=docs_server" target="_self">
<span>
Ops Manager documentation
</span>
</a>
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
To learn more about
<!-- -->
running in production
<!-- -->
for deployments hosted in MongoDB
Atlas, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/production-notes/" target="_self">
<span>
Atlas Production Notes
</span>
</a>
.
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-prod-notes-supported-platforms">
</span>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Platform Support
<a class="headerlink leafygreen-ui-1kepx47" href="#platform-support" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="platform-support">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
For running
<strong>
in production
</strong>
, refer to the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-prod-notes-recommended-platforms" target="_self">
<span>
Recommended Platforms
</span>
</a>
for operating system
recommendations.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Platform Support Notes
<a class="headerlink leafygreen-ui-1kepx47" href="#platform-support-notes" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="platform-support-notes">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
x86_64
<a class="headerlink leafygreen-ui-1kepx47" href="#x86_64" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="x86_64">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
MongoDB requires the following minimum
<code class="leafygreen-ui-1l06pbn">
x86_64
</code>
microarchitectures:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
For Intel
<code class="leafygreen-ui-1l06pbn">
x86_64
</code>
, MongoDB requires one of:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
a
<em>
Sandy Bridge
</em>
or later Core processor, or
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
a
<em>
Tiger Lake
</em>
or later Celeron or Pentium processor.
</p>
</li>
</ul>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
For AMD
<code class="leafygreen-ui-1l06pbn">
x86_64
</code>
, MongoDB requires:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
a
<em>
Bulldozer
</em>
or later processor.
</p>
</li>
</ul>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 5.0,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
,
and the legacy
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/mongo/#mongodb-binary-bin.mongo">
<code class="leafygreen-ui-1l06pbn">
mongo
</code>
</a>
shell no longer support
<code class="leafygreen-ui-1l06pbn">
x86_64
</code>
platforms which do not meet this minimum microarchitecture requirement.
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
MongoDB only supports Oracle Linux running the Red Hat Compatible
Kernel (RHCK). MongoDB does
<strong>
not
</strong>
support the Unbreakable
Enterprise Kernel (UEK).
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
MongoDB 5.0 requires use of the AVX instruction set, available on
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://en.wikipedia.org/wiki/Advanced_Vector_Extensions#CPUs_with_AVX" rel="noopener noreferrer">
<span>
select Intel and AMD processors
<!-- -->
.
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</p>
</li>
</ul>
<span class="leafygreen-ui-1qnjd6d" id="std-label-prod-notes-supported-platforms-ARM64">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
ARM64
<a class="headerlink leafygreen-ui-1kepx47" href="#arm64" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="arm64">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
MongoDB on
<code class="leafygreen-ui-1l06pbn">
arm64
</code>
requires the
<em>
ARMv8.2-A
</em>
or later
microarchitecture.
</p>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 5.0,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
,
and the legacy
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/mongo/#mongodb-binary-bin.mongo">
<code class="leafygreen-ui-1l06pbn">
mongo
</code>
</a>
shell no longer support
<code class="leafygreen-ui-1l06pbn">
arm64
</code>
platforms which do not meet this minimum microarchitecture requirement.
</p>
<p class="leafygreen-ui-1kp3ins">
To use the
<em>
ARM v8.4-A
</em>
or later microarchitecture, use MongoDB version 7.0 or later.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
MongoDB no longer supports single board hardware lacking the proper
CPU architecture (Raspberry Pi 4). See
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/manual/release-notes/5.0-compatibility/#removed-raspberry-pi-support" target="_self">
<span>
Compatibility Changes in MongoDB 5.0
</span>
</a>
for more information.
</p>
</div>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-prod-notes-supported-platforms-x86_64">
</span>
<span class="leafygreen-ui-1qnjd6d" id="std-label-prod-notes-supported-platforms-PPC64LE">
</span>
<span class="leafygreen-ui-1qnjd6d" id="std-label-prod-notes-supported-platforms-s390x">
</span>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Platform Support Matrix
<a class="headerlink leafygreen-ui-1kepx47" href="#platform-support-matrix" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="platform-support-matrix">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 8.0, new MongoDB Server versions (major and minor)
support the minimum operating system (OS) minor version defined by the
OS vendor. After an OS minor version is no longer supported by the OS
vendor, MongoDB updates the MongoDB Server to support the next OS minor
version. For details, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/blog/post/announcing-mongodb-server-8-0-platform-support-improvements" target="_self">
<span>
MongoDB Platform Support Improvements
</span>
</a>
.
</p>
<p class="leafygreen-ui-1kp3ins">
MongoDB 8.0 supports the following minimum OS minor versions:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Red Hat Enterprise Linux 8.8
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Red Hat Enterprise Linux 9.3
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
SUSE Linux Enterprise Server 15 SP5
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Amazon Linux 2023 version 2023.3
</p>
</li>
</ul>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
v4.4 End of Life
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
v4.4 reached end of life on February 29, 2024 and is no longer
supported by MongoDB.
</p>
</div>
</div>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:20%"/>
<col style="width:20%"/>
<col style="width:10%"/>
<col style="width:10%"/>
<col style="width:10%"/>
<col style="width:10%"/>
<col style="width:10%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Platform
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Architecture
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Edition
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
8.0
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
7.0
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
6.0
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
5.0
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
4.4
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Amazon Linux 2023
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Amazon Linux 2023
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Amazon Linux V2
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Amazon Linux V2
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Debian 12
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Debian 12
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Debian 11
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
5.0.8+
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Debian 11
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
5.0.8+
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Debian 10
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Debian 10
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Debian 9
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Debian 9
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
RHEL/Rocky/Alma/Oracle Linux 9.0+
<a class="footnote-reference header-buffer" href="#footnote-oracle-support" id="ref-oracle-support-id1">
[
<!-- -->
1
<!-- -->
]
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
6.0.4+
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
RHEL/Rocky/Alma/Oracle Linux 9.0+
<a class="footnote-reference header-buffer" href="#footnote-oracle-support" id="ref-oracle-support-id2">
[
<!-- -->
1
<!-- -->
]
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
6.0.4+
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
RHEL/Rocky/Alma/Oracle Linux 8.0+
<a class="footnote-reference header-buffer" href="#footnote-oracle-support" id="ref-oracle-support-id3">
[
<!-- -->
1
<!-- -->
]
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
RHEL/Rocky/Alma/Oracle Linux 8.0+
<a class="footnote-reference header-buffer" href="#footnote-oracle-support" id="ref-oracle-support-id4">
[
<!-- -->
1
<!-- -->
]
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
RHEL/CentOS/Oracle Linux 7.0+
<a class="footnote-reference header-buffer" href="#footnote-oracle-support" id="ref-oracle-support-id5">
[
<!-- -->
1
<!-- -->
]
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
RHEL/CentOS/Oracle Linux 7.0+
<a class="footnote-reference header-buffer" href="#footnote-oracle-support" id="ref-oracle-support-id6">
[
<!-- -->
1
<!-- -->
]
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
RHEL/CentOS/Oracle Linux 6.2+
<a class="footnote-reference header-buffer" href="#footnote-oracle-support" id="ref-oracle-support-id7">
[
<!-- -->
1
<!-- -->
]
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
RHEL/CentOS/Oracle Linux 6.2+
<a class="footnote-reference header-buffer" href="#footnote-oracle-support" id="ref-oracle-support-id8">
[
<!-- -->
1
<!-- -->
]
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
SLES 15
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
SLES 15
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
SLES 12
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
SLES 12
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Ubuntu 24.04
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Ubuntu 24.04
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Ubuntu 22.04
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
6.0.4+
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Ubuntu 22.04
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
6.0.4+
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Ubuntu 20.04
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Ubuntu 20.04
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Ubuntu 18.04
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Ubuntu 18.04
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Ubuntu 16.04
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Ubuntu 16.04
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Windows 11
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Windows 11
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Windows Server 2022
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Windows Server 2022
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Windows Server 2019
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Windows Server 2019
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Windows 10 / Server 2016
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Windows 10 / Server 2016
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
macOS 14
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
macOS 14
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
macOS 13
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
macOS 13
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
macOS 12
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
macOS 12
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
macOS 11
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
macOS 11
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
macOS 10.15
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
macOS 10.15
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
macOS 10.14
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
macOS 10.14
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
macOS 10.13
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
macOS 10.13
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
x86_64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
macOS 14
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
arm64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
macOS 14
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
arm64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
macOS 13
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
arm64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
macOS 13
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
arm64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
macOS 12
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
arm64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
macOS 12
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
arm64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
macOS 11
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
arm64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
macOS 11
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
arm64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Amazon Linux 2023
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
arm64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Amazon Linux 2023
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
arm64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Amazon Linux 2
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
arm64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
4.4.4+
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Amazon Linux 2
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
arm64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
4.4.4+
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
RHEL/CentOS/Rocky/Alma 9
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
arm64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
RHEL/CentOS/Rocky/Alma 9
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
arm64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
RHEL/CentOS/Rocky/Alma 8
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
arm64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
4.4.4+
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
RHEL/CentOS/Rocky/Alma 8
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
arm64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
4.4.4+
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Ubuntu 24.04
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
arm64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Ubuntu 24.04
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
arm64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Ubuntu 22.04
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
arm64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
6.0.4+
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Ubuntu 22.04
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
arm64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
6.0.4+
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Ubuntu 20.04
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
arm64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Ubuntu 20.04
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
arm64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Ubuntu 18.04
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
arm64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Ubuntu 18.04
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
arm64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
Ubuntu 16.04
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
arm64
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
RHEL/Rocky/Alma 9
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
ppc64le
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
RHEL/Rocky/Alma 8
<a class="footnote-reference header-buffer" href="#footnote-RHEL8-tcmalloc-support" id="ref-RHEL8-tcmalloc-support-id9">
[
<!-- -->
5
<!-- -->
]
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
ppc64le
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
RHEL/CentOS 7
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
ppc64le
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
6.0.7+
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
RHEL/Rocky/Alma 8
<a class="footnote-reference header-buffer" href="#footnote-RHEL8-tcmalloc-support" id="ref-RHEL8-tcmalloc-support-id10">
[
<!-- -->
5
<!-- -->
]
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
s390x
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
5.0.9+
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
RHEL/CentOS 7
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
s390x
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Enterprise
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-xejatx" role="rowheader">
<div class="leafygreen-ui-1n4j8xf">
<div>
RHEL/CentOS 7
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
s390x
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Community
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
✓
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<table class="header-buffer leafygreen-ui-rbqgrl" frame="void" id="footnote-oracle-support" rules="none">
<colgroup>
<col/>
</colgroup>
<tbody valign="top">
<tr>
<td class="leafygreen-ui-17r2xs0">
[
<!-- -->
1
<!-- -->
]
</td>
<td class="leafygreen-ui-17r2xs0">
<em>
(
<a href="#ref-oracle-support-id1">
1
</a>
,
<a href="#ref-oracle-support-id2">
2
</a>
,
<a href="#ref-oracle-support-id3">
3
</a>
,
<a href="#ref-oracle-support-id4">
4
</a>
,
<a href="#ref-oracle-support-id5">
5
</a>
,
<a href="#ref-oracle-support-id6">
6
</a>
,
<a href="#ref-oracle-support-id7">
7
</a>
,
<a href="#ref-oracle-support-id8">
8
</a>
)
</em>
<!-- -->
On Oracle Linux, MongoDB only supports the Red Hat
Compatible Kernel.
</td>
</tr>
</tbody>
</table>
<table class="header-buffer leafygreen-ui-rbqgrl" frame="void" id="footnote-SLES12-SP-info" rules="none">
<colgroup>
<col/>
</colgroup>
<tbody valign="top">
<tr>
<td class="leafygreen-ui-17r2xs0">
[
<!-- -->
2
<!-- -->
]
</td>
<td class="leafygreen-ui-17r2xs0">
<!-- -->
MongoDB versions 5.0 and greater are tested against SLES 12 service
pack 5. Earlier versions of MongoDB are tested against SLES 12
with no service pack.
</td>
</tr>
</tbody>
</table>
<table class="header-buffer leafygreen-ui-rbqgrl" frame="void" id="footnote-SLES15-SP-info" rules="none">
<colgroup>
<col/>
</colgroup>
<tbody valign="top">
<tr>
<td class="leafygreen-ui-17r2xs0">
[
<!-- -->
3
<!-- -->
]
</td>
<td class="leafygreen-ui-17r2xs0">
<!-- -->
MongoDB versions 7.0 and later are tested against SLES 15 service pack 4.
Earlier versions of MongoDB are tested against SLES 15 with no service pack.
</td>
</tr>
</tbody>
</table>
<table class="header-buffer leafygreen-ui-rbqgrl" frame="void" id="footnote-RHEL7-compat" rules="none">
<colgroup>
<col/>
</colgroup>
<tbody valign="top">
<tr>
<td class="leafygreen-ui-17r2xs0">
[
<!-- -->
4
<!-- -->
]
</td>
<td class="leafygreen-ui-17r2xs0">
<!-- -->
MongoDB version 7.0 is built and tested against RHEL 7.9. Earlier versions
of MongoDB are tested against RHEL 7 and assume forward compatibility.
</td>
</tr>
</tbody>
</table>
<table class="header-buffer leafygreen-ui-rbqgrl" frame="void" id="footnote-RHEL8-tcmalloc-support" rules="none">
<colgroup>
<col/>
</colgroup>
<tbody valign="top">
<tr>
<td class="leafygreen-ui-17r2xs0">
[
<!-- -->
5
<!-- -->
]
</td>
<td class="leafygreen-ui-17r2xs0">
<em>
(
<a href="#ref-RHEL8-tcmalloc-support-id9">
1
</a>
,
<a href="#ref-RHEL8-tcmalloc-support-id10">
2
</a>
)
</em>
<!-- -->
RHEL 8 on PPC64LE and s390x does not support the updated version of TCMalloc
used in MongoDB versions 8.0 and later. On these architectures, RHEL 8 uses
the legacy TCMalloc version. To learn more, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/tcmalloc-performance/#std-label-tcmalloc-performance">
TCMalloc Performance Optimization for a Self-Managed Deployment
<!-- -->
.
</a>
</td>
</tr>
</tbody>
</table>
<table class="header-buffer leafygreen-ui-rbqgrl" frame="void" id="footnote-RHEL9-tcmalloc-support" rules="none">
<colgroup>
<col/>
</colgroup>
<tbody valign="top">
<tr>
<td class="leafygreen-ui-17r2xs0">
[
<!-- -->
6
<!-- -->
]
</td>
<td class="leafygreen-ui-17r2xs0">
<!-- -->
RHEL 9 on PPC64LE does not support the updated version of TCMalloc
used in MongoDB versions 8.0 and later. On this architecture, RHEL 9 uses
the legacy TCMalloc version. To learn more, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/tcmalloc-performance/#std-label-tcmalloc-performance">
TCMalloc Performance Optimization for a Self-Managed Deployment
<!-- -->
.
</a>
</td>
</tr>
</tbody>
</table>
<span class="leafygreen-ui-1qnjd6d" id="std-label-prod-notes-recommended-platforms">
</span>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Recommended Platforms
<a class="headerlink leafygreen-ui-1kepx47" href="#recommended-platforms" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="recommended-platforms">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
While MongoDB supports a variety of platforms, the following operating
systems are recommended for production use on
<code class="leafygreen-ui-1l06pbn">
x86_64
</code>
architecture:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Amazon Linux
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Debian
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<span class="leafygreen-ui-vm4wms" tabindex="0">
RHEL
</span>
<a class="footnote-reference header-buffer" href="#footnote-rocky-almalinux" id="ref-rocky-almalinux-id11">
[
<!-- -->
7
<!-- -->
]
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
SLES
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Ubuntu LTS
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Windows Server
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
For best results, run the latest version of your platform. If you run an
older version, make sure that your version is supported by its provider.
</p>
<table class="header-buffer leafygreen-ui-rbqgrl" frame="void" id="footnote-rocky-almalinux" rules="none">
<colgroup>
<col/>
</colgroup>
<tbody valign="top">
<tr>
<td class="leafygreen-ui-17r2xs0">
[
<a href="#ref-rocky-almalinux-id11">
7
</a>
]
</td>
<td class="leafygreen-ui-17r2xs0">
<!-- -->
MongoDB on-premises products released for RHEL version 8.0+ are
compatible with Rocky Linux version 8.0+ and AlmaLinux version 8.0+,
contingent upon those distributions meeting their obligation to
deliver full RHEL compatibility.
</td>
</tr>
</tbody>
</table>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-prod-notes-platform-considerations" target="_self">
<span>
Platform Specific Considerations
</span>
</a>
</p>
</div>
</div>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Use the Latest Stable Packages
<a class="headerlink leafygreen-ui-1kepx47" href="#use-the-latest-stable-packages" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="use-the-latest-stable-packages">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Be sure you have the latest stable release.
</p>
<p class="leafygreen-ui-1kp3ins">
MongoDB releases are available on the MongoDB Download Center:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/try/download/enterprise-advanced" target="_self">
<span>
MongoDB Enterprise Advanced
</span>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/try/download/community-edition" target="_self">
<span>
MongoDB Community Edition
</span>
</a>
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
For details on upgrading to the most current minor release, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/upgrade-revision/#std-label-upgrade-to-latest-revision">
Upgrade to the Latest Self-Managed Patch Release of MongoDB
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
The following related packages are also available on the MongoDB
Download Center:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/try/download/tools" target="_self">
<span>
Tools
</span>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/try/download/atlas-sql" target="_self">
<span>
Atlas SQL Interface
</span>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/try/download/realm" target="_self">
<span>
Mobile & Edge
</span>
</a>
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
For other MongoDB products, see their
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/?tck=docs_server" target="_self">
<span>
respective documentation
</span>
</a>
.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
MongoDB
<code class="leafygreen-ui-1l06pbn">
dbPath
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-dbpath" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-dbpath">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The files in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-storage.dbPath">
<code class="leafygreen-ui-1l06pbn">
dbPath
</code>
</a>
directory must correspond
to the configured
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-storage-engine">
storage engine
</a>
.
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
will not start if
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-storage.dbPath">
<code class="leafygreen-ui-1l06pbn">
dbPath
</code>
</a>
contains data files created by a storage
engine other than the one specified by
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--storageEngine">
<code class="leafygreen-ui-1l06pbn">
--storageEngine
</code>
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
must possess read and write permissions for the specified
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-storage.dbPath">
<code class="leafygreen-ui-1l06pbn">
dbPath
</code>
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
If you use an antivirus (AV) scanner or an endpoint detection and
response (EDR) scanner, configure your scanner to exclude the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-storage.dbPath">
<code class="leafygreen-ui-1l06pbn">
database storage path
</code>
</a>
and the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-systemLog.path">
<code class="leafygreen-ui-1l06pbn">
database log path
</code>
</a>
from the scan.
</p>
<p class="leafygreen-ui-1kp3ins">
The data files in the
<code class="leafygreen-ui-1l06pbn">
database storage path
</code>
are compressed.
Additionally, if you use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/security-encryption-at-rest/#std-label-security-encryption-at-rest">
encrypted storage engine
</a>
, the data files are also encrypted. The
I/O and CPU costs to scan these files may significantly decrease
performance without providing any security benefits.
</p>
<p class="leafygreen-ui-1kp3ins">
If you don't exclude the directories in your
<code class="leafygreen-ui-1l06pbn">
database storage path
</code>
and
<code class="leafygreen-ui-1l06pbn">
database log path
</code>
, the scanner could quarantine or delete
important files. Missing or quarantined files can corrupt your database
and crash your MongoDB instance.
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-prod-notes-concurrency">
</span>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Concurrency
<a class="headerlink leafygreen-ui-1kepx47" href="#concurrency" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="concurrency">
</div>
</a>
</h2>
<span class="leafygreen-ui-1qnjd6d" id="std-label-prod-notes-wired-tiger-concurrency">
</span>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
WiredTiger
<a class="headerlink leafygreen-ui-1kepx47" href="#wiredtiger" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="wiredtiger">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/wiredtiger/#std-label-storage-wiredtiger">
WiredTiger
</a>
supports concurrent access by
readers and writers to the documents in a collection. Clients can read
documents while write operations are in progress, and multiple threads
can modify different documents in a collection at the same time.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-prod-notes-ram" target="_self">
<span>
Allocate Sufficient RAM and CPU
</span>
</a>
provides information about how WiredTiger
takes advantage of multiple CPU cores and how to improve operation
throughput.
</p>
</div>
</div>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Data Consistency
<a class="headerlink leafygreen-ui-1kepx47" href="#data-consistency" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="data-consistency">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Journaling
<a class="headerlink leafygreen-ui-1kepx47" href="#journaling" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="journaling">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
MongoDB uses
<em>
write ahead logging
</em>
to an on-disk
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-journal">
journal
</a>
.
Journaling guarantees that MongoDB can quickly recover
<a class="leafygreen-ui-tqgtui" href="/docs/manual/crud/#std-label-crud">
write
operations
</a>
that were written to the journal
but not written to data files in cases where
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
terminated due to a crash or other serious failure. See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/journaling/#std-label-journaling-internals">
Journaling
</a>
for more information.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Read Concern
<a class="headerlink leafygreen-ui-1kepx47" href="#read-concern" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="read-concern">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
You can use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/read-isolation-consistency-recency/#std-label-sessions">
causally consistent sessions
</a>
to read your own
writes, if the writes request acknowledgment.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Write Concern
<a class="headerlink leafygreen-ui-1kepx47" href="#write-concern" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="write-concern">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#std-label-write-concern">
Write Concern
</a>
describes the level of
acknowledgment requested from MongoDB for write operations. The level
of the write concerns affects how quickly the write operation returns.
When write operations have a
<em>
weak
</em>
write concern, they return quickly.
With
<em>
stronger
</em>
write concerns, clients must wait after sending a write
operation until MongoDB confirms the write operation at the requested
write concern level. With insufficient write concerns, write operations
may appear to a client to have succeeded, but may not persist in some
cases of server failure.
</p>
<p class="leafygreen-ui-1kp3ins">
See the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/write-concern/#std-label-write-concern">
Write Concern
</a>
document for more
information about choosing an appropriate write concern level for your
deployment.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Networking
<a class="headerlink leafygreen-ui-1kepx47" href="#networking" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="networking">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Use Trusted Networking Environments
<a class="headerlink leafygreen-ui-1kepx47" href="#use-trusted-networking-environments" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="use-trusted-networking-environments">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Always run MongoDB in a
<em>
trusted environment
</em>
, with network rules that
prevent access from
<em>
all
</em>
unknown machines, systems, and networks. As
with any sensitive system that is dependent on network access, your
MongoDB deployment should only be accessible to specific systems that
require access, such as application servers, monitoring services, and
other MongoDB components.
</p>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
By default,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/authorization/#std-label-authorization">
authorization
</a>
is not
enabled, and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
assumes a trusted environment. Enable
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-security.authorization">
<code class="leafygreen-ui-1l06pbn">
authorization
</code>
</a>
mode as needed. For more
information on authentication mechanisms supported in MongoDB as
well as authorization in MongoDB, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/authentication/#std-label-authentication">
Authentication on Self-Managed Deployments
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/authorization/#std-label-authorization">
Role-Based Access Control in Self-Managed Deployments
<!-- -->
.
</a>
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For additional information and considerations on security, refer to the
documents in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/security/#std-label-security">
Security Section
</a>
, specifically:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/security-checklist/">
Security Checklist for Self-Managed Deployments
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/security-hardening/">
Network and Configuration Hardening for Self-Managed Deployments
</a>
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
For Windows users, consider the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="http://technet.microsoft.com/en-us/library/dd349797.aspx" rel="noopener noreferrer">
<span>
Windows Server Technet Article on TCP
Configuration
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
when deploying MongoDB on Windows.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Disable HTTP Interface
<a class="headerlink leafygreen-ui-1kepx47" href="#disable-http-interface" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="disable-http-interface">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The HTTP interface is disabled by default. Do not enable the HTTP interface in
production environments.
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-prod-notes-connection-pools">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Manage Connection Pool Sizes
<a class="headerlink leafygreen-ui-1kepx47" href="#manage-connection-pool-sizes" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="manage-connection-pool-sizes">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Avoid overloading the connection resources of a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance by adjusting the connection pool size to suit
your use case. Start at 110-115% of the typical number of current database
requests, and modify the connection pool size as needed. Refer to the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/connection-string-options/#std-label-connection-pool-options">
Connection Pool Options
</a>
for adjusting the connection pool size.
</p>
<p class="leafygreen-ui-1kp3ins">
The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/connPoolStats/#mongodb-dbcommand-dbcmd.connPoolStats">
<code class="leafygreen-ui-1l06pbn">
connPoolStats
</code>
</a>
command returns information regarding
the number of open connections to the current database for
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instances in sharded clusters.
</p>
<p class="leafygreen-ui-1kp3ins">
See also
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-prod-notes-ram" target="_self">
<span>
Allocate Sufficient RAM and CPU
<!-- -->
.
</span>
</a>
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Hardware Considerations
<a class="headerlink leafygreen-ui-1kepx47" href="#hardware-considerations" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="hardware-considerations">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
MongoDB is designed specifically with commodity hardware in mind and
has few hardware requirements or limitations. MongoDB's core components
run on little-endian hardware, primarily x86/x86_64 processors. Client
libraries (i.e. drivers) can run on big or little endian systems.
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-prod-notes-ram">
</span>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Allocate Sufficient RAM and CPU
<a class="headerlink leafygreen-ui-1kepx47" href="#allocate-sufficient-ram-and-cpu" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="allocate-sufficient-ram-and-cpu">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
At a minimum, ensure that each
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instance has access to two real cores or
one multi-core physical CPU.
</p>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
WiredTiger
<a class="headerlink leafygreen-ui-1kepx47" href="#wiredtiger-1" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="wiredtiger-1">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/wiredtiger/#std-label-storage-wiredtiger">
WiredTiger
</a>
storage engine is multithreaded and can take advantage
of additional CPU cores. Specifically, the total number of active threads
(i.e. concurrent operations) relative to the number of available CPUs can impact
performance:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Throughput
<em>
increases
</em>
as the number of concurrent active operations
increases up to the number of CPUs.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Throughput
<em>
decreases
</em>
as the number of concurrent active operations
exceeds the number of CPUs by some threshold amount.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
The threshold depends on your application. You can determine the
optimum number of concurrent active operations for your application by
experimenting and measuring throughput. The output from
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/database-tools/mongostat/#mongodb-binary-bin.mongostat" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongostat
</code>
</span>
</a>
provides statistics on the number of active
reads/writes in the (
<code class="leafygreen-ui-1l06pbn">
ar|aw
</code>
) column.
</p>
<p class="leafygreen-ui-1kp3ins">
With WiredTiger, MongoDB utilizes both the WiredTiger internal cache
and the filesystem cache.
</p>
<p class="leafygreen-ui-1kp3ins">
The default WiredTiger internal cache size is the larger of either:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
50% of (RAM - 1 GB), or
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
256 MB.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
For example, on a system with a total of 4GB of RAM the
WiredTiger cache uses 1.5GB of RAM (
<code class="leafygreen-ui-1l06pbn">
0.5 * (4 GB - 1 GB) =
1.5 GB
</code>
). Conversely, on a system with a total of 1.25 GB of
RAM WiredTiger allocates 256 MB to the WiredTiger cache
because that is more than half of the total RAM minus one
gigabyte (
<code class="leafygreen-ui-1l06pbn">
0.5 * (1.25 GB - 1 GB) = 128 MB < 256 MB
</code>
).
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
In some instances, such as when running in a container, the database
can have memory constraints that are lower than the total system
memory. In such instances, this memory limit, rather than the total
system memory, is used as the maximum RAM available.
</p>
<p class="leafygreen-ui-1kp3ins">
To see the memory limit, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/hostInfo/#mongodb-data-hostInfo.system.memLimitMB">
<code class="leafygreen-ui-1l06pbn">
hostInfo.system.memLimitMB
</code>
.
</a>
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
By default, WiredTiger uses Snappy block compression for all collections
and prefix compression for all indexes. Compression defaults are configurable
at a global level and can also be set on a per-collection and per-index
basis during collection and index creation.
</p>
<p class="leafygreen-ui-1kp3ins">
Different representations are used for data in the WiredTiger internal cache
versus the on-disk format:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Data in the filesystem cache is the same as the on-disk format, including
benefits of any compression for data files. The filesystem cache is used
by the operating system to reduce disk I/O.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Indexes loaded in the WiredTiger internal cache have a different data
representation to the on-disk format, but can still take advantage of
index prefix compression to reduce RAM usage. Index prefix compression
deduplicates common prefixes from indexed fields.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Collection data in the WiredTiger internal cache is uncompressed
and uses a different representation from the on-disk format. Block
compression can provide significant on-disk storage savings, but
data must be uncompressed to be manipulated by the server.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
With the filesystem cache, MongoDB automatically uses all free memory
that is not used by the WiredTiger cache or by other processes.
</p>
<p class="leafygreen-ui-1kp3ins">
To adjust the size of the WiredTiger internal cache, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-storage.wiredTiger.engineConfig.cacheSizeGB">
<code class="leafygreen-ui-1l06pbn">
storage.wiredTiger.engineConfig.cacheSizeGB
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--wiredTigerCacheSizeGB">
<code class="leafygreen-ui-1l06pbn">
--wiredTigerCacheSizeGB
</code>
</a>
. Avoid increasing the WiredTiger
internal cache size above its default value.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-storage.wiredTiger.engineConfig.cacheSizeGB">
<code class="leafygreen-ui-1l06pbn">
storage.wiredTiger.engineConfig.cacheSizeGB
</code>
</a>
limits the size of the WiredTiger internal
cache. The operating system uses the available free memory
for filesystem cache, which allows the compressed MongoDB data
files to stay in memory. In addition, the operating system
uses any free RAM to buffer file system blocks and file system
cache.
</p>
<p class="leafygreen-ui-1kp3ins">
To accommodate the additional consumers of RAM, you may have to
decrease WiredTiger internal cache size.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The default WiredTiger internal cache size value assumes that there is a
single
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance per machine. If a single machine
contains multiple MongoDB instances, then you should decrease the setting to
accommodate the other
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instances.
</p>
<p class="leafygreen-ui-1kp3ins">
If you run
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
in a container (for example,
<code class="leafygreen-ui-1l06pbn">
lxc
</code>
,
<code class="leafygreen-ui-1l06pbn">
cgroups
</code>
, Docker, etc.) that does
<em>
not
</em>
have access to all of the
RAM available in a system, you must set
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-storage.wiredTiger.engineConfig.cacheSizeGB">
<code class="leafygreen-ui-1l06pbn">
storage.wiredTiger.engineConfig.cacheSizeGB
</code>
</a>
to a value
less than the amount of RAM available in the container. The exact
amount depends on the other processes running in the container. See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/hostInfo/#mongodb-data-hostInfo.system.memLimitMB">
<code class="leafygreen-ui-1l06pbn">
memLimitMB
</code>
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
To view statistics on the cache and eviction rate, see the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.wiredTiger.cache">
<code class="leafygreen-ui-1l06pbn">
wiredTiger.cache
</code>
</a>
field
returned from the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/serverStatus/#mongodb-dbcommand-dbcmd.serverStatus">
<code class="leafygreen-ui-1l06pbn">
serverStatus
</code>
</a>
command.
</p>
</section>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Compression and Encryption
<a class="headerlink leafygreen-ui-1kepx47" href="#compression-and-encryption" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="compression-and-encryption">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
When using encryption, CPUs equipped with AES-NI instruction-set
extensions show significant performance advantages.
If you are using MongoDB Enterprise with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/security-encryption-at-rest/#std-label-encrypted-storage-engine">
Encrypted Storage Engine
</a>
, choose a CPU that supports AES-NI for
better performance.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-prod-notes-concurrency" target="_self">
<span>
Concurrency
</span>
</a>
</p>
</div>
</div>
</section>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Use Solid State Disks (SSDs)
<a class="headerlink leafygreen-ui-1kepx47" href="#use-solid-state-disks--ssds-" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="use-solid-state-disks--ssds-">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
MongoDB has good results and a good price-performance ratio with
SATA SSD (Solid State Disk).
</p>
<p class="leafygreen-ui-1kp3ins">
Use SSD if available and economical.
</p>
<p class="leafygreen-ui-1kp3ins">
Commodity (SATA) spinning drives are often a good option, as the
random I/O performance increase with more expensive spinning drives
is not that dramatic (only on the order of 2x). Using SSDs or
increasing RAM may be more effective in increasing I/O throughput.
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-production-numa">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
MongoDB and NUMA Hardware
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-and-numa-hardware" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-and-numa-hardware">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Running MongoDB on a system with Non-Uniform Memory Access (NUMA) can
cause a number of operational problems, including slow performance for
periods of time and high system process usage.
</p>
<p class="leafygreen-ui-1kp3ins">
When running MongoDB servers and clients on NUMA hardware, you should configure
a memory interleave policy so that the host behaves in a non-NUMA fashion.
MongoDB checks NUMA settings on start up when deployed on Linux (since version
2.0) and Windows (since version 2.6) machines. If the
NUMA configuration may degrade performance, MongoDB prints a warning.
</p>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
numad
</code>
daemon process can also reduce
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
performance.
You should ensure
<code class="leafygreen-ui-1l06pbn">
numad
</code>
is not enabled on MongoDB servers.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="http://jcole.us/blog/archives/2010/09/28/mysql-swap-insanity-and-the-numa-architecture/" rel="noopener noreferrer">
<span>
The MySQL "swap insanity" problem and the effects of NUMA
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
post, which describes the effects of
NUMA on databases. The post introduces NUMA and its goals, and
illustrates how these goals are not compatible with production
databases. Although the blog post addresses the impact of NUMA for
MySQL, the issues for MongoDB are similar.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://queue.acm.org/detail.cfm?id=2513149" rel="noopener noreferrer">
<span>
NUMA: An Overview
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
.
</p>
</li>
</ul>
</div>
</div>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Configuring NUMA on Windows
<a class="headerlink leafygreen-ui-1kepx47" href="#configuring-numa-on-windows" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="configuring-numa-on-windows">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
On Windows, memory interleaving must be enabled through the machine's BIOS.
Consult your system documentation for details.
</p>
</section>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Configuring NUMA on Linux
<a class="headerlink leafygreen-ui-1kepx47" href="#configuring-numa-on-linux" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="configuring-numa-on-linux">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
On Linux, you must disable
<em>
zone reclaim
</em>
and also ensure that your
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instances are started by
<code class="leafygreen-ui-1l06pbn">
numactl
</code>
, which is generally configured through your platform's init
system. You must perform both of these operations to properly disable
NUMA for use with MongoDB.
</p>
<ol class="leafygreen-ui-rioki0" type="1">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Disable
<em>
zone reclaim
</em>
with one of the following commands:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"echo 0 | sudo tee /proc/sys/vm/zone_reclaim_mode","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-built_in">echo</span> 0 | sudo <span class="lg-highlight-built_in">tee</span> <!-- -->/proc/sys/vm/zone_reclaim_mode</td></tr></tbody></table></code></pre>
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<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</div>
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<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo sysctl -w vm.zone_reclaim_mode=0","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo sysctl -w vm.zone_reclaim_mode=0</td></tr></tbody></table></code></pre>
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<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Ensure that
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
are
started by
<code class="leafygreen-ui-1l06pbn">
numactl
</code>
. This is generally configured through your
platform's init system. Run the following command to determine which
init system is in use on your platform:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"ps --no-headers -o comm 1","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">ps --no-headers -o <span class="lg-highlight-built_in">comm</span> 1</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If "
<code class="leafygreen-ui-1l06pbn">
systemd
</code>
", your platform uses the
<strong>
systemd
</strong>
init
system, and you
<em>
must
</em>
follow the steps in the
<strong>
systemd
</strong>
tab
below to edit your MongoDB service file(s).
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If "
<code class="leafygreen-ui-1l06pbn">
init
</code>
", your platform uses the
<em>
SysV Init
</em>
system, and you
<em>
do not
</em>
need to perform this step. The default MongoDB init script
for SysV Init includes the necessary steps to start MongoDB
instances via
<code class="leafygreen-ui-1l06pbn">
numactl
</code>
by default.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If you manage your own init scripts (i.e. you are not using either
of these init systems), you
<em>
must
</em>
follow the steps in the
<strong>
Custom init scripts
</strong>
tab below to edit your custom init
script(s).
</p>
<div class="line-block">
<div class="line">
<br/>
</div>
</div>
</li>
</ul>
<div aria-hidden="true">
</div>
<div class="leafygreen-ui-1b75luy" data-lgid="lg-tabs">
<div class="leafygreen-ui-jp7pox" id="tabs-30">
<div aria-label="Tabs to describe usage of custom-scripts-numa-steps/systemd-numa-steps" aria-orientation="horizontal" class="leafygreen-ui-m8p1vb lg-ui-tab-list-0000" data-lgid="lg-tabs-tab_list" role="tablist">
<button aria-controls="_pih9d6ck4" aria-selected="true" class="leafygreen-ui-1l773z1" data-text="" id="_lckj0my7e" name="" role="tab" tabindex="0">
<div class="leafygreen-ui-1nxuzmg">
systemd
</div>
</button>
<button aria-controls="_7258bj0k7" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_w1h13vj1j" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Custom init scripts
</div>
</button>
</div>
<div class="leafygreen-ui-ov1ktg">
<div class="leafygreen-ui-1sg2lsz">
</div>
</div>
</div>
<div class="lg-ui-tab-panels-0000" data-lgid="lg-tabs-tab_panels">
<div>
<div aria-labelledby="_wqgw5nbg5" class="" id="_geijz1vqn" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
You must use
<code class="leafygreen-ui-1l06pbn">
numactl
</code>
to start each of your
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instances, including all
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharded-cluster-config-servers/#std-label-sharding-config-server">
config servers
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instances, and clients. Edit the default
<strong>
systemd
</strong>
service file for each as follows:
</p>
<ol class="leafygreen-ui-rioki0" type="1">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Copy the default MongoDB service file:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo cp /lib/systemd/system/mongod.service /etc/systemd/system/","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo <span class="lg-highlight-built_in">cp</span> <!-- -->/lib/systemd/system/mongod.service<!-- --> <!-- -->/etc/systemd/system<!-- -->/</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Edit the
<code class="leafygreen-ui-1l06pbn">
/etc/systemd/system/mongod.service
</code>
file, and
update the
<code class="leafygreen-ui-1l06pbn">
ExecStart
</code>
statement to begin with:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"/usr/bin/numactl --interleave=all","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">/usr/bin/numactl<!-- --> --interleave=all</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<div class="leafygreen-ui-vg7qwp" role="note">
<h2 class="leafygreen-ui-2xicti">
Example
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
If your existing
<code class="leafygreen-ui-1l06pbn">
ExecStart
</code>
statement reads:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"ExecStart=/usr/bin/mongod --config /etc/mongod.conf","programmingLanguage":"Bash"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1agdxuk" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">ExecStart=<!-- -->/usr/bin/mongod<!-- --> --config <!-- -->/etc/mongod.conf</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Update that statement to read:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"ExecStart=/usr/bin/numactl --interleave=all /usr/bin/mongod --config /etc/mongod.conf","programmingLanguage":"Bash"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1agdxuk" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">ExecStart=<!-- -->/usr/bin/numactl<!-- --> --interleave=all <!-- -->/usr/bin/mongod<!-- --> --config <!-- -->/etc/mongod.conf</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Apply the change to
<code class="leafygreen-ui-1l06pbn">
systemd
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo systemctl daemon-reload","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo systemctl daemon-reload</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Restart any running
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
instances:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo systemctl stop mongod\nsudo systemctl start mongod","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo systemctl stop mongod</td></tr><tr class=""><td class="leafygreen-ui-7razhx">sudo systemctl start mongod</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If applicable, repeat these steps for any
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instances.
</p>
</li>
</ol>
</div>
</div>
</div>
<div>
<div aria-labelledby="_n0z7dg9s7" class="leafygreen-ui-38lglc" id="_d8uj6gx2v" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
You must use
<code class="leafygreen-ui-1l06pbn">
numactl
</code>
to start each of your
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instances, including all
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharded-cluster-config-servers/#std-label-sharding-config-server">
config servers
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
instances, and clients.
</p>
<ol class="leafygreen-ui-rioki0" type="1">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Install
<code class="leafygreen-ui-1l06pbn">
numactl
</code>
for your platform if not already
installed. Refer to the documentation for your operating
system for information on installing the
<code class="leafygreen-ui-1l06pbn">
numactl
</code>
package.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Configure each of your custom init scripts to start each
MongoDB instance via
<code class="leafygreen-ui-1l06pbn">
numactl
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"numactl --interleave=all <path> <options>","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">numactl --interleave=all <path> <options></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Where
<code class="leafygreen-ui-1l06pbn">
<path>
</code>
is the path to the program you are starting
and
<code class="leafygreen-ui-1l06pbn">
<options>
</code>
are any optional arguments to pass to that
program.
</p>
<div class="leafygreen-ui-vg7qwp" role="note">
<h2 class="leafygreen-ui-2xicti">
Example
</h2>
<div class="leafygreen-ui-9mycqc">
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"numactl --interleave=all /usr/local/bin/mongod -f /etc/mongod.conf","programmingLanguage":"Bash"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1agdxuk" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">numactl --interleave=all <!-- -->/usr/local/bin/mongod<!-- --> -f <!-- -->/etc/mongod.conf</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
</li>
</ol>
</div>
</div>
</div>
</div>
</div>
</li>
</ol>
<p class="leafygreen-ui-1kp3ins">
For more information, see the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="http://www.kernel.org/doc/Documentation/sysctl/vm.txt" rel="noopener noreferrer">
<span>
Documentation for /proc/sys/vm/*
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
.
</p>
</section>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Disk and Storage Systems
<a class="headerlink leafygreen-ui-1kepx47" href="#disk-and-storage-systems" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="disk-and-storage-systems">
</div>
</a>
</h3>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Swap
<a class="headerlink leafygreen-ui-1kepx47" href="#swap" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="swap">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
MongoDB performs best where swapping can be avoided or kept to a
minimum, as retrieving data from swap will always be slower
than accessing data in RAM. However, if the system hosting MongoDB runs
out of RAM, swapping can prevent the Linux OOM Killer from terminating
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
process.
</p>
<p class="leafygreen-ui-1kp3ins">
Generally, you should choose one of the following swap strategies:
</p>
<ol class="leafygreen-ui-rioki0" type="1">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Assign swap space on your system, and configure the kernel to only
permit swapping under high memory load, or
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Do not assign swap space on your system, and configure the kernel to
disable swapping entirely
</p>
</li>
</ol>
<p class="leafygreen-ui-1kp3ins">
See
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-set-swappiness" target="_self">
<span>
Set vm.swappiness
</span>
</a>
for instructions on
configuring swap on your Linux system following these guidelines.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
If your MongoDB instance is hosted on a system that also runs other
software, such as a webserver, you should choose the first swap
strategy. Do
<em>
not
</em>
disable swap in this case. If possible, it is
highly recommended that you run MongoDB on its own dedicated system.
</p>
</div>
</div>
</section>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
RAID
<a class="headerlink leafygreen-ui-1kepx47" href="#raid" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="raid">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
For optimal performance in terms of the storage layer, use disks
backed by RAID-10. RAID-5 and RAID-6 do not typically provide
sufficient performance to support a MongoDB deployment.
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-production-nfs">
</span>
</section>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Remote Filesystems (NFS)
<a class="headerlink leafygreen-ui-1kepx47" href="#remote-filesystems--nfs-" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="remote-filesystems--nfs-">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
With the WiredTiger storage engine, WiredTiger objects may be stored on
remote file systems if the remote file system conforms to ISO/IEC
9945-1:1996 (POSIX.1). Because remote file systems are often slower
than local file systems, using a remote file system for storage may
degrade performance.
</p>
<p class="leafygreen-ui-1kp3ins">
If you decide to use NFS, add the following NFS options to your
<code class="leafygreen-ui-1l06pbn">
/etc/fstab
</code>
file:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
bg
</code>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
hard
</code>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
nolock
</code>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
noatime
</code>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
nointr
</code>
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
Depending on your kernel version, some of these values may already be
set as the default. Consult your platform's documentation for more
information.
</p>
</section>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Separate Components onto Different Storage Devices
<a class="headerlink leafygreen-ui-1kepx47" href="#separate-components-onto-different-storage-devices" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="separate-components-onto-different-storage-devices">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
For improved performance, consider separating your database's data,
journal, and logs onto different storage devices, based on your application's
access and write pattern. Mount the components as separate filesystems
and use symbolic links to map each component's path to the device
storing it.
</p>
<p class="leafygreen-ui-1kp3ins">
For the WiredTiger storage engine, you can also store the indexes on a
different storage device. See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-storage.wiredTiger.engineConfig.directoryForIndexes">
<code class="leafygreen-ui-1l06pbn">
storage.wiredTiger.engineConfig.directoryForIndexes
</code>
.
</a>
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Using different storage devices will affect your ability to create
snapshot-style backups of your data, since the files will be on
different devices and volumes.
</p>
</div>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-virtualized-disks-scheduling">
</span>
</section>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Scheduling
<a class="headerlink leafygreen-ui-1kepx47" href="#scheduling" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="scheduling">
</div>
</a>
</h4>
<section>
<h5 class="contains-headerlink leafygreen-ui-1vzlt5f">
Scheduling for Virtual or Cloud Hosted Devices
<a class="headerlink leafygreen-ui-1kepx47" href="#scheduling-for-virtual-or-cloud-hosted-devices" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="scheduling-for-virtual-or-cloud-hosted-devices">
</div>
</a>
</h5>
<p class="leafygreen-ui-1kp3ins">
For local block devices attached to a virtual machine instance via
the hypervisor or hosted by a cloud hosting provider, the guest operating system
should use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-cfq">
cfq
</a>
scheduler for best performance. The
<code class="leafygreen-ui-1l06pbn">
cfq
</code>
scheduler allows the operating system to defer I/O scheduling to
the underlying hypervisor.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-noop">
noop
</a>
scheduler can be used for scheduling if all the
following conditions are met:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The hypervisor is VMware.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
A replica set topology or sharded cluster is used.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The virtual machines are located on the same virtual host.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The underlying storage containing the DBpaths is a common
<span class="leafygreen-ui-vm4wms" tabindex="0">
LUN
</span>
blockstore.
</p>
</li>
</ul>
</div>
</div>
</section>
<section>
<h5 class="contains-headerlink leafygreen-ui-1vzlt5f">
Scheduling for Physical Servers
<a class="headerlink leafygreen-ui-1kepx47" href="#scheduling-for-physical-servers" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="scheduling-for-physical-servers">
</div>
</a>
</h5>
<p class="leafygreen-ui-1kp3ins">
For physical servers, the operating system should use a
<em>
deadline
</em>
scheduler. The
<em>
deadline
</em>
scheduler caps maximum latency per request
and maintains a good disk throughput that is best for disk-intensive
database applications.
</p>
</section>
</section>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Architecture
<a class="headerlink leafygreen-ui-1kepx47" href="#architecture" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="architecture">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Replica Sets
<a class="headerlink leafygreen-ui-1kepx47" href="#replica-sets" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="replica-sets">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
See the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/replica-set-architectures/#std-label-replica-set-architecture">
Replica Set Architectures
</a>
document for an overview of architectural considerations for replica
set deployments.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Sharded Clusters
<a class="headerlink leafygreen-ui-1kepx47" href="#sharded-clusters" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="sharded-clusters">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharded-cluster-components/#std-label-sharding-shards">
Sharded Cluster Production Architecture
</a>
for an
overview of recommended sharded cluster architectures for production
deployments.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/production-checklist-development/">
Development Checklist
</a>
</p>
</div>
</div>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Compression
<a class="headerlink leafygreen-ui-1kepx47" href="#compression" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="compression">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
WiredTiger can compress collection data using one of the following
compression library:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<dl>
<dt>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-snappy">
snappy
</a>
</dt>
<dd class="css-1ufxuu7">
Provides a lower compression rate than
<code class="leafygreen-ui-1l06pbn">
zlib
</code>
or
<code class="leafygreen-ui-1l06pbn">
zstd
</code>
but has a lower CPU cost than either.
</dd>
</dl>
</li>
<li class="leafygreen-ui-d7p7b6">
<dl>
<dt>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-zlib">
zlib
</a>
</dt>
<dd class="css-1ufxuu7">
Provides better compression rate than
<code class="leafygreen-ui-1l06pbn">
snappy
</code>
but has a
higher CPU cost than both
<code class="leafygreen-ui-1l06pbn">
snappy
</code>
and
<code class="leafygreen-ui-1l06pbn">
zstd
</code>
.
</dd>
</dl>
</li>
<li class="leafygreen-ui-d7p7b6">
<dl>
<dt>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-zstd">
zstd
</a>
</dt>
<dd class="css-1ufxuu7">
Provides better compression rate than both
<code class="leafygreen-ui-1l06pbn">
snappy
</code>
and
<code class="leafygreen-ui-1l06pbn">
zlib
</code>
and has a lower CPU cost than
<code class="leafygreen-ui-1l06pbn">
zlib
</code>
.
</dd>
</dl>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
By default, WiredTiger uses
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-snappy">
snappy
</a>
compression library. To
change the compression setting, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-storage.wiredTiger.collectionConfig.blockCompressor">
<code class="leafygreen-ui-1l06pbn">
storage.wiredTiger.collectionConfig.blockCompressor
</code>
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
WiredTiger uses
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-prefix-compression">
prefix compression
</a>
on all indexes by default.
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-production-notes-clock-synchronization">
</span>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Clock Synchronization
<a class="headerlink leafygreen-ui-1kepx47" href="#clock-synchronization" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="clock-synchronization">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
MongoDB
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/#std-label-mongodb-package-components">
components
</a>
keep logical clocks for
supporting time-dependent operations. Using
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="http://www.ntp.org/" rel="noopener noreferrer">
<span>
NTP
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
to synchronize host machine clocks mitigates the risk of clock drift
between components. Clock drift between components increases the
likelihood of incorrect or abnormal behavior of time-dependent
operations like the following:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If the underlying system clock of any given MongoDB
component drifts a year or more from other components in the same
deployment, communication between those members may become unreliable
or halt altogether.
</p>
<p class="leafygreen-ui-1kp3ins">
The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.maxAcceptableLogicalClockDriftSecs">
<code class="leafygreen-ui-1l06pbn">
maxAcceptableLogicalClockDriftSecs
</code>
</a>
parameter controls
the amount of acceptable clock drift between components. Clusters with
a lower value of
<code class="leafygreen-ui-1l06pbn">
maxAcceptableLogicalClockDriftSecs
</code>
have a
correspondingly lower tolerance for clock drift.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Two cluster members with different system clocks may return
different values for operations that return the current
cluster or system time, such as
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/Date/#mongodb-method-Date">
<code class="leafygreen-ui-1l06pbn">
Date()
</code>
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/aggregation-variables/#mongodb-variable-variable.NOW">
<code class="leafygreen-ui-1l06pbn">
NOW
</code>
</a>
, and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/aggregation-variables/#mongodb-variable-variable.CLUSTER_TIME">
<code class="leafygreen-ui-1l06pbn">
CLUSTER_TIME
</code>
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Features which rely on timekeeping may have inconsistent or
unpredictable behavior in clusters with clock drift between MongoDB
components.
</p>
</li>
</ul>
<span class="leafygreen-ui-1qnjd6d" id="std-label-prod-notes-platform-considerations">
</span>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Platform Specific Considerations
<a class="headerlink leafygreen-ui-1kepx47" href="#platform-specific-considerations" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="platform-specific-considerations">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
MongoDB on Linux
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-on-linux" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-on-linux">
</div>
</a>
</h3>
<span class="leafygreen-ui-1qnjd6d" id="std-label-prod-notes-linux-file-system">
</span>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Kernel and File Systems
<a class="headerlink leafygreen-ui-1kepx47" href="#kernel-and-file-systems" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="kernel-and-file-systems">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
When running MongoDB in production on Linux, you should use Linux
kernel version 2.6.36 or later, with either the XFS or EXT4 filesystem.
If possible, use XFS as it generally performs better with MongoDB.
</p>
<p class="leafygreen-ui-1kp3ins">
With the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/wiredtiger/#std-label-storage-wiredtiger">
WiredTiger storage engine
</a>
, using
XFS is
<strong>
strongly recommended
</strong>
for data bearing nodes to avoid
performance issues that may occur when using EXT4 with WiredTiger.
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
In general, if you use the XFS file system, use at least version
<code class="leafygreen-ui-1l06pbn">
2.6.25
</code>
of the Linux Kernel.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If you use the EXT4 file system, use at least version
<code class="leafygreen-ui-1l06pbn">
2.6.28
</code>
of the Linux Kernel.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
On Red Hat Enterprise Linux and CentOS, use at least version
<code class="leafygreen-ui-1l06pbn">
2.6.18-194
</code>
of the Linux kernel.
</p>
</li>
</ul>
</section>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
System C Library
<a class="headerlink leafygreen-ui-1kepx47" href="#system-c-library" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="system-c-library">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
MongoDB uses the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="http://www.gnu.org/software/libc/" rel="noopener noreferrer">
<span>
GNU C Library
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
(glibc) on Linux. Generally, each Linux distro provides its own
vetted version of this library. For best results, use the latest update
available for this system-provided version. You can check whether you have
the latest version installed by using your system's package manager. For
example:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
On
<span class="leafygreen-ui-vm4wms" tabindex="0">
RHEL
</span>
/ CentOS, the following
command updates the system-provided GNU C Library:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo yum update glibc","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo yum update glibc</td></tr></tbody></table></code></pre>
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</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
On Ubuntu / Debian, the following command updates the system-provided
GNU C Library:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo apt-get install libc6","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo apt-get install libc6</td></tr></tbody></table></code></pre>
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</li>
</ul>
</section>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
<code class="leafygreen-ui-1l06pbn">
fsync()
</code>
on Directories
<a class="headerlink leafygreen-ui-1kepx47" href="#fsync---on-directories" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="fsync---on-directories">
</div>
</a>
</h4>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
MongoDB requires a filesystem that supports
<code class="leafygreen-ui-1l06pbn">
fsync()
</code>
<em>
on directories
</em>
. For example, HGFS and Virtual Box's shared
folders do
<em>
not
</em>
support this operation.
</p>
</div>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-set-swappiness">
</span>
</section>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Set
<code class="leafygreen-ui-1l06pbn">
vm.swappiness
</code>
to
<code class="leafygreen-ui-1l06pbn">
1
</code>
or
<code class="leafygreen-ui-1l06pbn">
0
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#set-vm.swappiness-to-1-or-0" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="set-vm.swappiness-to-1-or-0">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
"Swappiness" is a Linux kernel setting that influences the behavior of
the Virtual Memory manager. The
<code class="leafygreen-ui-1l06pbn">
vm.swappiness
</code>
setting ranges from
<code class="leafygreen-ui-1l06pbn">
0
</code>
to
<code class="leafygreen-ui-1l06pbn">
100
</code>
: the higher the value, the more strongly it prefers
swapping memory pages to disk over dropping pages from RAM.
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
A setting of
<code class="leafygreen-ui-1l06pbn">
0
</code>
disables swapping entirely
<a class="footnote-reference header-buffer" href="#footnote-swappiness-kernel-version" id="ref-swappiness-kernel-version-id12">
[
<!-- -->
8
<!-- -->
]
</a>
.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
A setting of
<code class="leafygreen-ui-1l06pbn">
1
</code>
permits the kernel to swap only to avoid
out-of-memory problems.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
A setting of
<code class="leafygreen-ui-1l06pbn">
60
</code>
tells the kernel to swap to disk often, and is the
default value on many Linux distributions.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
A setting of
<code class="leafygreen-ui-1l06pbn">
100
</code>
tells the kernel to swap aggressively to disk.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
MongoDB performs best where swapping can be avoided or kept to a
minimum. As such you should set
<code class="leafygreen-ui-1l06pbn">
vm.swappiness
</code>
to either
<code class="leafygreen-ui-1l06pbn">
1
</code>
or
<code class="leafygreen-ui-1l06pbn">
0
</code>
depending on your application needs and cluster configuration.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Most system and user processes run within a cgroup, which, by default, sets
the
<code class="leafygreen-ui-1l06pbn">
vm.swappiness
</code>
to
<code class="leafygreen-ui-1l06pbn">
60
</code>
. If you are running
<span class="leafygreen-ui-vm4wms" tabindex="0">
RHEL
</span>
/ CentOS, set
<code class="leafygreen-ui-1l06pbn">
vm.force_cgroup_v2_swappiness
</code>
to
<code class="leafygreen-ui-1l06pbn">
1
</code>
to ensure that the specified
<code class="leafygreen-ui-1l06pbn">
vm.swappiness
</code>
value overrides any cgroup defaults.
</p>
</div>
</div>
<table class="header-buffer leafygreen-ui-rbqgrl" frame="void" id="footnote-swappiness-kernel-version" rules="none">
<colgroup>
<col/>
</colgroup>
<tbody valign="top">
<tr>
<td class="leafygreen-ui-17r2xs0">
[
<a href="#ref-swappiness-kernel-version-id12">
8
</a>
]
</td>
<td class="leafygreen-ui-17r2xs0">
<!-- -->
With Linux kernel versions previous to
<code class="leafygreen-ui-1l06pbn">
3.5
</code>
, or
<span class="leafygreen-ui-vm4wms" tabindex="0">
RHEL
</span>
/ CentOS kernel versions
previous to
<code class="leafygreen-ui-1l06pbn">
2.6.32-303
</code>
, a
<code class="leafygreen-ui-1l06pbn">
vm.swappiness
</code>
setting of
<code class="leafygreen-ui-1l06pbn">
0
</code>
would still allow the kernel to swap in certain emergency situations.
</td>
</tr>
</tbody>
</table>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
If your MongoDB instance is hosted on a system that also runs other
software, such as a webserver, you should set
<code class="leafygreen-ui-1l06pbn">
vm.swappiness
</code>
to
<code class="leafygreen-ui-1l06pbn">
1
</code>
. If possible, it is highly recommended that you run MongoDB on
its own dedicated system.
</p>
</div>
</div>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
To check the current swappiness setting on your system, run:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"cat /proc/sys/vm/swappiness","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-built_in">cat</span> <!-- -->/proc/sys/vm/swappiness</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
To change swappiness on your system:
</p>
<ol class="leafygreen-ui-rioki0" type="1">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Edit the
<code class="leafygreen-ui-1l06pbn">
/etc/sysctl.conf
</code>
file and add the following line:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"vm.swappiness = 1","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">vm.swappiness = 1</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Run the following command to apply the setting:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo sysctl -p","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo sysctl -p</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</li>
</ol>
</li>
</ul>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
If you are running RHEL / CentOS and using a
<code class="leafygreen-ui-1l06pbn">
tuned
</code>
performance
profile, you must also edit your chosen profile to set
<code class="leafygreen-ui-1l06pbn">
vm.swappiness
</code>
to
<code class="leafygreen-ui-1l06pbn">
1
</code>
or
<code class="leafygreen-ui-1l06pbn">
0
</code>
.
</p>
</div>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-linux-recommended-configuration">
</span>
</section>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Recommended Configuration
<a class="headerlink leafygreen-ui-1kepx47" href="#recommended-configuration" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="recommended-configuration">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
For
<strong>
all
</strong>
MongoDB deployments:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Use the Network Time Protocol (NTP) to synchronize time among
your hosts. This is especially important in sharded clusters.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
For the
<strong>
WiredTiger
</strong>
storage engines,
consider the following recommendations:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Turn off
<code class="leafygreen-ui-1l06pbn">
atime
</code>
for the storage volume containing the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-dbpath">
database
files
<!-- -->
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Adjust the
<code class="leafygreen-ui-1l06pbn">
ulimit
</code>
settings for your platform according to the
recommendations in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/ulimit/#std-label-ulimit">
ulimit
</a>
reference.
Low
<code class="leafygreen-ui-1l06pbn">
ulimit
</code>
values will negatively affect MongoDB when under heavy
use and can lead to failed connections to MongoDB processes and loss
of service.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
If the
<code class="leafygreen-ui-1l06pbn">
ulimit
</code>
value for number of open files is under
<code class="leafygreen-ui-1l06pbn">
64000
</code>
, MongoDB
generates a startup warning.
</p>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If you are running MongoDB 8.0,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/tcmalloc-performance/#std-label-enable-thp">
enable Transparent Hugepages
<!-- -->
.
</a>
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If you are running MongoDB 7.0 or earlier,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/disable-transparent-huge-pages/#std-label-disable-thp">
disable Transparent
Hugepages
</a>
. In earlier versions, MongoDB performs better with
typical (4096 bytes) virtual memory pages.
</p>
</li>
</ul>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Disable NUMA in your BIOS. If that is not possible, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-production-numa" target="_self">
<span>
MongoDB on NUMA Hardware
<!-- -->
.
</span>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Configure SELinux for MongoDB
<strong>
if
</strong>
you are
<strong>
not
</strong>
using the
default MongoDB directory paths or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/default-mongodb-port/">
ports
<!-- -->
.
</a>
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
If you are using SELinux, any MongoDB operation that requires
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/server-side-javascript/#std-label-server-side-javascript">
server-side JavaScript
</a>
will
result in segfault errors.
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/server-side-javascript/#std-label-disable-server-side-js">
Disable Server-Side Execution of JavaScript
</a>
describes
how to disable execution of server-side JavaScript.
</p>
</div>
</div>
</li>
</ul>
<span class="leafygreen-ui-1qnjd6d" id="std-label-readahead">
</span>
<p class="leafygreen-ui-1kp3ins">
For the
<strong>
WiredTiger
</strong>
storage engine:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Set the readahead setting between 8 and 32 regardless of storage
media type (spinning disk, SSD, etc.).
</p>
<p class="leafygreen-ui-1kp3ins">
Higher readahead commonly benefits sequential I/O operations.
Since MongoDB disk access patterns are generally random, using higher
readahead settings provides limited benefit or potential performance
degradation. As such, for optimal MongoDB performance, set
readahead between 8 and 32, unless testing shows a measurable,
repeatable, and reliable benefit in a higher readahead value.
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://support.mongodb.com/welcome?tck=docs_server" target="_self">
<span>
MongoDB commercial support
</span>
</a>
can
provide advice and guidance on alternate readahead configurations.
</p>
</li>
</ul>
</section>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
MongoDB and TLS/SSL Libraries
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-and-tls-ssl-libraries" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-and-tls-ssl-libraries">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
On Linux platforms, you may observe one of the following statements in
the MongoDB log:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"<path>/libssl.so.<version>: no version information available (required by /usr/bin/mongod)\n<path>/libcrypto.so.<version>: no version information available (required by /usr/bin/mongod)"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><path to TLS/SSL libs>/libssl.so.<version>: no version information available (required by /usr/bin/mongod)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><path to TLS/SSL libs>/libcrypto.so.<version>: no version information available (required by /usr/bin/mongod)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
These warnings indicate that the system's TLS/SSL libraries are different
from the TLS/SSL libraries that the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
was compiled against.
Typically these messages do not require intervention; however, you can
use the following operations to determine the symbol versions that
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
expects:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"objdump -T <path>/mongod | grep \" SSL_\"\nobjdump -T <path>/mongod | grep \" CRYPTO_\"","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">objdump -T <path to mongod><!-- -->/mongod<!-- --> | grep <span class="lg-highlight-string">" SSL_"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">objdump -T <path to mongod><!-- -->/mongod<!-- --> | grep <span class="lg-highlight-string">" CRYPTO_"</span></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
These operations will return output that resembles one the of the
following lines:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"0000000000000000 DF *UND* 0000000000000000 libssl.so.10 SSL_write\n0000000000000000 DF *UND* 0000000000000000 OPENSSL_1.0.0 SSL_write"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">0000000000000000 DF *UND* 0000000000000000 libssl.so.10 SSL_write</td></tr><tr class=""><td class="leafygreen-ui-7razhx">0000000000000000 DF *UND* 0000000000000000 OPENSSL_1.0.0 SSL_write</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The last two strings in this output are the symbol version and symbol
name. Compare these values with the values returned by the following
operations to detect symbol version mismatches:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"objdump -T <path>/libssl.so.1*\nobjdump -T <path>/libcrypto.so.1*","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">objdump -T <path to TLS/SSL libs><!-- -->/libssl.so.<!-- -->1*</td></tr><tr class=""><td class="leafygreen-ui-7razhx">objdump -T <path to TLS/SSL libs><!-- -->/libcrypto.so.<!-- -->1*</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
This procedure is neither exact nor exhaustive: many symbols used by
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
from the
<code class="leafygreen-ui-1l06pbn">
libcrypto
</code>
library do not begin with
<code class="leafygreen-ui-1l06pbn">
CRYPTO_
</code>
.
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-production-virtualization">
</span>
</section>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
MongoDB on Windows
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-on-windows" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-on-windows">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
For MongoDB instances using the WiredTiger storage engine, performance
on Windows is comparable to performance on Linux.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
MongoDB on Virtual Environments
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-on-virtual-environments" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-on-virtual-environments">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
This section describes considerations when running MongoDB in some of
the more common virtual environments.
</p>
<p class="leafygreen-ui-1kp3ins">
For all platforms, consider
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-virtualized-disks-scheduling" target="_self">
<span>
Scheduling
<!-- -->
.
</span>
</a>
</p>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
<span class="leafygreen-ui-vm4wms" tabindex="0">
AWS
</span>
<span class="leafygreen-ui-vm4wms" tabindex="0">
EC2
</span>
<a class="headerlink leafygreen-ui-1kepx47" href="#aws--amazon-web-services--ec2--elastic-compute-cloud-" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="aws--amazon-web-services--ec2--elastic-compute-cloud-">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
There are two performance configurations to consider:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Reproducible performance for performance testing or benchmarking, and
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Raw maximum performance
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
To tune performance on
<span class="leafygreen-ui-vm4wms" tabindex="0">
EC2
</span>
for either
configuration, you should:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Enable
<span class="leafygreen-ui-vm4wms" tabindex="0">
AWS
</span>
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/enhanced-networking.html#enabling_enhanced_networking" rel="noopener noreferrer">
<span>
Enhanced Networking
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
for your instance. Not all instance types support Enhanced Networking.
</p>
<p class="leafygreen-ui-1kp3ins">
To learn more about Enhanced Networking, see to the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/enhanced-networking.html#enabling_enhanced_networking" rel="noopener noreferrer">
<span>
AWS documentation
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Set
<code class="leafygreen-ui-1l06pbn">
tcp_keepalive_time
</code>
to 120.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
If you are concerned more about reproducible performance on
<span class="leafygreen-ui-vm4wms" tabindex="0">
EC2
</span>
, you should also:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Use provisioned
<span class="leafygreen-ui-vm4wms" tabindex="0">
IOPS
</span>
for the storage, with separate devices for journal and data. Do not
use the ephemeral (
<span class="leafygreen-ui-vm4wms" tabindex="0">
SSD
</span>
) storage available
on most instance types as their performance changes moment to moment.
(The
<code class="leafygreen-ui-1l06pbn">
i
</code>
series is a notable exception, but very expensive.)
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Disable
<span class="leafygreen-ui-vm4wms" tabindex="0">
DVFS
</span>
and
<span class="leafygreen-ui-vm4wms" tabindex="0">
CPU
</span>
power saving modes.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/processor_state_control.html" rel="noopener noreferrer">
<span>
Amazon documentation on Processor State Control
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</p>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Disable hyperthreading.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://aws.amazon.com/blogs/compute/disabling-intel-hyper-threading-technology-on-amazon-linux/" rel="noopener noreferrer">
<span>
Amazon blog post on disabling Hyper-Threading
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
.
</p>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Use
<code class="leafygreen-ui-1l06pbn">
numactl
</code>
to bind memory locality to a single socket.
</p>
</li>
</ul>
<span class="leafygreen-ui-1qnjd6d" id="std-label-windows-azure-production-notes">
</span>
</section>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Azure
<a class="headerlink leafygreen-ui-1kepx47" href="#azure" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="azure">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Use
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://azure.microsoft.com/en-us/documentation/articles/storage-premium-storage/" rel="noopener noreferrer">
<span>
Premium Storage
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
.
Microsoft Azure offers two general types of storage:
Standard storage, and Premium storage. MongoDB on Azure has better
performance when using Premium storage than it does with Standard
storage.
</p>
<p class="leafygreen-ui-1kp3ins">
The TCP idle timeout on the Azure load balancer is 240 seconds by
default, which can cause it to silently drop connections if the TCP
keepalive on your Azure systems is greater than this value. You
should set
<code class="leafygreen-ui-1l06pbn">
tcp_keepalive_time
</code>
to 120 to ameliorate this problem.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
You will need to restart
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
processes for new system-wide keepalive settings to take effect.
</p>
</div>
</div>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
To view the keepalive setting on Linux, use one of the following
commands:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sysctl net.ipv4.tcp_keepalive_time","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sysctl net.ipv4.tcp_keepalive_time</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Or:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"cat /proc/sys/net/ipv4/tcp_keepalive_time","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-built_in">cat</span> <!-- -->/proc/sys/net/ipv<!-- -->4<!-- -->/tcp_keepalive_time</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The value is measured in seconds.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Although the setting name includes
<code class="leafygreen-ui-1l06pbn">
ipv4
</code>
, the
<code class="leafygreen-ui-1l06pbn">
tcp_keepalive_time
</code>
value applies to both IPv4 and IPv6.
</p>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
To change the
<code class="leafygreen-ui-1l06pbn">
tcp_keepalive_time
</code>
value, you can use one of the
following commands, supplying a
<em>
<value>
</em>
in seconds:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sudo sysctl -w net.ipv4.tcp_keepalive_time=<value>","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sudo sysctl -w net.ipv4.tcp_keepalive_time=<value></td></tr></tbody></table></code></pre>
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Or:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"echo <value> | sudo tee /proc/sys/net/ipv4/tcp_keepalive_time","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-built_in">echo</span> <value> | sudo <span class="lg-highlight-built_in">tee</span> <!-- -->/proc/sys/net/ipv<!-- -->4<!-- -->/tcp_keepalive_time</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
These operations do not persist across system reboots. To persist
the setting, add the following line to
<code class="leafygreen-ui-1l06pbn">
/etc/sysctl.conf
</code>
,
supplying a
<em>
<value>
</em>
in seconds, and reboot the machine:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"net.ipv4.tcp_keepalive_time = <value>","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">net.ipv4.tcp_keepalive_time = <value></td></tr></tbody></table></code></pre>
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<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Keepalive values greater than
<code class="leafygreen-ui-1l06pbn">
300
</code>
seconds,
(5 minutes) will be overridden on
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
sockets and set to
<code class="leafygreen-ui-1l06pbn">
300
</code>
seconds.
</p>
</li>
</ul>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
To view the keepalive setting on Windows, issue the following command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"reg query HKLM\\SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters /v KeepAliveTime"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">reg query HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters /v KeepAliveTime</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The registry value is not present by default. The system default,
used if the value is absent, is
<code class="leafygreen-ui-1l06pbn">
7200000
</code>
milliseconds or
<code class="leafygreen-ui-1l06pbn">
0x6ddd00
</code>
in hexadecimal.
</p>
<div class="line-block">
<div class="line">
<br/>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
To change the
<code class="leafygreen-ui-1l06pbn">
KeepAliveTime
</code>
value, use the following command in
an Administrator
<span class="guilabel css-h15tq0">
Command Prompt
</span>
, where
<code class="leafygreen-ui-1l06pbn">
<value>
</code>
is
expressed in hexadecimal (e.g.
<code class="leafygreen-ui-1l06pbn">
120000
</code>
is
<code class="leafygreen-ui-1l06pbn">
0x1d4c0
</code>
):
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"reg add HKLM\\SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters\\ /t REG_DWORD /v KeepAliveTime /d <value>"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">reg add HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\ /t REG_DWORD /v KeepAliveTime /d <value></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Windows users should consider the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://technet.microsoft.com/en-us/library/cc957549.aspx" rel="noopener noreferrer">
<span>
Windows Server Technet Article on
KeepAliveTime
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
for
more information on setting keepalive for MongoDB deployments on
Windows systems. Keepalive values greater than or equal to
<em>
600000
</em>
milliseconds (10 minutes) will be ignored by
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
.
</a>
</p>
</li>
</ul>
</section>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
VMware
<a class="headerlink leafygreen-ui-1kepx47" href="#vmware" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="vmware">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
MongoDB is compatible with VMware.
</p>
<p class="leafygreen-ui-1kp3ins">
VMware supports
<em>
memory overcommitment
</em>
, where you can assign more memory
to your virtual machines than the physical machine has available. When
memory is overcommitted, the hypervisor reallocates memory between the
virtual machines. VMware's balloon driver (
<code class="leafygreen-ui-1l06pbn">
vmmemctl
</code>
) reclaims the
pages that are considered least valuable.
</p>
<p class="leafygreen-ui-1kp3ins">
The balloon driver resides inside the guest operating system. Under
certain configurations, when the balloon driver expands, it can
interfere with MongoDB's memory management and affect MongoDB's
performance.
</p>
<p class="leafygreen-ui-1kp3ins">
To prevent negative performance impact from the balloon driver and
memory overcommitment features, reserve the full amount of memory for
the virtual machine running MongoDB. Reserving the appropriate amount
of memory for the virtual machine prevents the balloon from inflating
in the local operating system when there is memory pressure in the
hypervisor.
</p>
<p class="leafygreen-ui-1kp3ins">
Even though the balloon driver and memory overcommitment features can
negatively affect MongoDB performance under certain configurations,
<strong>
do not disable these features
</strong>
. If you disable these features, the
hypervisor may use its swap space to fulfill memory requests, which
negatively affects performance.
</p>
<p class="leafygreen-ui-1kp3ins">
Ensure that virtual machines stay on a specific ESX/ESXi host by
setting VMware's
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.resmgmt.doc/GUID-2FB90EF5-7733-4095-8B66-F10D6C57B820.html" rel="noopener noreferrer">
<span>
affinity rules
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
.
If you must manually migrate a virtual machine
to another host and the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance on the virtual machine is the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-primary">
primary
</a>
, you must first
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.stepDown/#mongodb-method-rs.stepDown">
<code class="leafygreen-ui-1l06pbn">
step down
</code>
</a>
the primary and then
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.shutdownServer/#mongodb-method-db.shutdownServer">
<code class="leafygreen-ui-1l06pbn">
shut down the instance
</code>
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
Follow the networking best practices for
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.vcenterhost.doc/GUID-7DAD15D4-7F41-4913-9F16-567289E22977.html" rel="noopener noreferrer">
<span>
vMotion
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
and
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://knowledge.broadcom.com/external/article?legacyId=2054994" rel="noopener noreferrer">
<span>
VMKernel
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
.
Failure to follow the best practices can result in performance problems
and affect
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/replica-set-high-availability/">
replica set
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/sharding/#std-label-sharding-sharded-cluster">
sharded cluster
</a>
high
availability mechanisms.
</p>
<p class="leafygreen-ui-1kp3ins">
You can clone a virtual machine running MongoDB. You might use this
function to deploy a new virtual host to add as a member of a replica
set.
</p>
</section>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
KVM
<a class="headerlink leafygreen-ui-1kepx47" href="#kvm" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="kvm">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
MongoDB is compatible with KVM.
</p>
<p class="leafygreen-ui-1kp3ins">
KVM supports
<em>
memory overcommitment
</em>
, where you can assign more memory
to your virtual machines than the physical machine has available. When
memory is overcommitted, the hypervisor reallocates memory between the
virtual machines. KVM's balloon driver reclaims the
pages that are considered least valuable.
</p>
<p class="leafygreen-ui-1kp3ins">
The balloon driver resides inside the guest operating system. Under
certain configurations, when the balloon driver expands, it can
interfere with MongoDB's memory management and affect MongoDB's
performance.
</p>
<p class="leafygreen-ui-1kp3ins">
To prevent negative performance impact from the balloon driver and
memory overcommitment features, reserve the full amount of memory for
the virtual machine running MongoDB. Reserving the appropriate amount
of memory for the virtual machine prevents the balloon from inflating
in the local operating system when there is memory pressure in the
hypervisor.
</p>
<p class="leafygreen-ui-1kp3ins">
Even though the balloon driver and memory overcommitment features can
negatively affect MongoDB performance under certain configurations,
<strong>
do not disable these features
</strong>
. If you disable these features, the
hypervisor may use its swap space to fulfill memory requests, which
negatively affects performance.
</p>
</section>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Performance Monitoring
<a class="headerlink leafygreen-ui-1kepx47" href="#performance-monitoring" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="performance-monitoring">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
iostat
<a class="headerlink leafygreen-ui-1kepx47" href="#iostat" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="iostat">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
On Linux, use the
<code class="leafygreen-ui-1l06pbn">
iostat
</code>
command to check if disk I/O is a bottleneck
for your database. Specify a number of seconds when running iostat to
avoid displaying stats covering the time since server boot.
</p>
<p class="leafygreen-ui-1kp3ins">
For example, the following command will display extended statistics and
the time for each displayed report, with traffic in MB/s, at one second
intervals:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"iostat -xmt 1","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">iostat -xmt 1</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Key fields from
<code class="leafygreen-ui-1l06pbn">
iostat
</code>
:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
%util
</code>
: this is the most useful field for a quick check, it
indicates what percent of the time the device/drive is in use.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
avgrq-sz
</code>
: average request size. Smaller number for this value
reflect more random IO operations.
</p>
</li>
</ul>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
bwm-ng
<a class="headerlink leafygreen-ui-1kepx47" href="#bwm-ng" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="bwm-ng">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="http://www.gropp.org/?id=projects&sub=bwm-ng" rel="noopener noreferrer">
<span>
bwm-ng
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
is a
command-line tool for monitoring network use. If you suspect a
network-based bottleneck, you may use
<code class="leafygreen-ui-1l06pbn">
bwm-ng
</code>
to begin your
diagnostic process.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Backups
<a class="headerlink leafygreen-ui-1kepx47" href="#backups" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="backups">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
To make backups of your MongoDB database, please refer to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/backups/#std-label-backup-methods">
MongoDB Backup Methods Overview
<!-- -->
.
</a>
</p>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/method/db.collection.dropIndexes/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
db.collection.dropIndexes()
<a class="headerlink leafygreen-ui-1kepx47" href="#db.collection.dropindexes--" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="db.collection.dropindexes--">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
<span>
Definition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#compatibility" target="_self">
<span>
Compatibility
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#behavior" target="_self">
<span>
Behavior
</span>
</a>
</li>
</ul>
</div>
<div class="leafygreen-ui-147elvs">
<p class="leafygreen-ui-1ronz74">
MongoDB with drivers
</p>
<div class="leafygreen-ui-18k5rfm">
<p class="leafygreen-ui-1kp3ins">
This page documents a
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
method. To see the equivalent
method in a MongoDB driver, see the corresponding page for your
programming language:
</p>
</div>
<div class="leafygreen-ui-zgrwqu notranslate">
<a class="leafygreen-ui-v22cck" href="https://mongodb.github.io/mongo-csharp-driver/2.29.0/api/MongoDB.Driver/MongoDB.Driver.IMongoIndexManager-1.DropAll.html" target="_self">
<svg class="leafygreen-ui-x3zji3" fill="none" height="24" viewbox="0 0 28 29" width="24" xmlns="http://www.w3.org/2000/svg">
<g clip-path="url(#clip0_1351_59964)">
<g clip-path="url(#clip1_1351_59964)">
<path d="M25.7709 9.2495C25.7709 8.79827 25.678 8.39408 25.4827 8.04627C25.2874 7.70785 25.0084 7.42586 24.627 7.20025C21.465 5.35781 18.2937 3.51538 15.1317 1.67295C14.2761 1.17474 13.4484 1.19354 12.6021 1.70115C11.3466 2.45316 5.04112 6.10042 3.15321 7.20025C2.3813 7.65142 2 8.34705 2 9.24005C2 12.9531 2 16.6568 2 20.3698C2 20.8117 2.093 21.2064 2.279 21.5449C2.4743 21.8927 2.7626 22.1841 3.15321 22.4191C5.03182 23.5189 11.3373 27.1662 12.6021 27.9182C13.4484 28.4258 14.2761 28.4446 15.1317 27.9463C18.2937 26.1039 21.465 24.2615 24.627 22.4191C25.0177 22.1935 25.306 21.9021 25.5012 21.5449C25.6873 21.2064 25.7803 20.8117 25.7803 20.3698C25.7709 20.3698 25.7709 12.9531 25.7709 9.2495Z" fill="#A179DC">
</path>
<path d="M13.9227 14.7673L2.27905 21.5449C2.47435 21.8927 2.76265 22.1841 3.15326 22.4191C5.03187 23.5189 11.3373 27.1662 12.6021 27.9182C13.4484 28.4258 14.2762 28.4445 15.1317 27.9463C18.2938 26.1039 21.4651 24.2615 24.6271 22.4191C25.0177 22.1935 25.306 21.9021 25.5013 21.5449L13.9227 14.7673Z" fill="#280068">
</path>
<path d="M25.7711 9.24949C25.7711 8.79827 25.6781 8.39408 25.4828 8.04626L13.9229 14.7768L25.4921 21.5543C25.6781 21.2159 25.7711 20.8211 25.7711 20.3793C25.7711 20.3699 25.7711 12.9531 25.7711 9.24949Z" fill="#390091">
</path>
<path d="M20.7771 12.2387V13.5078H22.0325V12.2387H22.6557V13.5078H23.9111V14.1376H22.6557V15.4066H23.9111V16.0364H22.6557V17.3054H22.0325V16.0364H20.7771V17.3054H20.1539V16.0364H18.8984V15.4066H20.1539V14.1376H18.8984V13.5078H20.1539V12.2387H20.7771ZM22.0325 14.1376H20.7771V15.4066H22.0325V14.1376Z" fill="white">
</path>
<path d="M13.9508 5.87482C17.2151 5.87482 20.0702 7.67022 21.6047 10.3399L21.5861 10.3117L17.7452 12.5489C16.9919 11.2517 15.5969 10.3775 14.0066 10.3587H13.9601C11.5328 10.3587 9.56116 12.3515 9.56116 14.805C9.56116 15.604 9.77503 16.3654 10.1377 17.014C10.9004 18.3488 12.3232 19.2512 13.9601 19.2512C15.6062 19.2512 17.0384 18.3394 17.7917 16.9858L17.7731 17.014L21.614 19.2606C20.0981 21.9021 17.2895 23.6975 14.0531 23.7257H13.9508C10.6679 23.7257 7.81274 21.9209 6.28753 19.2418C5.54353 17.9352 5.11572 16.4124 5.11572 14.7956C5.11572 9.87931 9.06825 5.87482 13.9508 5.87482Z" fill="white">
</path>
</g>
</g>
<defs>
<clippath id="clip0_1351_59964">
<rect fill="white" height="28" transform="translate(0 0.809265)" width="28">
</rect>
</clippath>
<clippath id="clip1_1351_59964">
<rect fill="white" height="27" transform="translate(2 1.30966)" width="24">
</rect>
</clippath>
</defs>
</svg>
<span>
C#
</span>
</a>
<a class="leafygreen-ui-v22cck" href="https://www.mongodb.com/docs/drivers/java/sync/v5.2/fundamentals/indexes/#remove-an-index-using-a-wildcard-character" target="_self">
<svg class="leafygreen-ui-x3zji3" fill="none" height="24" viewbox="0 0 30 41" width="24" xmlns="http://www.w3.org/2000/svg">
<path d="M10.0921 30.7949C10.0921 30.7949 8.57608 31.6793 11.166 31.9636C14.2929 32.311 15.9037 32.2794 19.3464 31.6161C19.3464 31.6161 20.2623 32.1846 21.5257 32.6901C13.7876 35.9748 4.02791 32.5005 10.0921 30.7949Z" fill="#0074BD">
</path>
<path d="M9.14539 26.4678C9.14539 26.4678 7.43985 27.7312 10.0298 27.9838C13.3778 28.3312 15.9992 28.3628 20.579 27.4785C20.579 27.4785 21.2107 28.1101 22.1898 28.4576C12.8724 31.2054 2.44949 28.6787 9.14539 26.4678Z" fill="#0074BD">
</path>
<path d="M17.1039 19.1398C18.9989 21.3191 16.5985 23.3089 16.5985 23.3089C16.5985 23.3089 21.431 20.8138 19.2201 17.6869C17.1355 14.7811 15.5563 13.3282 24.1788 8.33789C24.1473 8.33789 10.6607 11.6858 17.1039 19.1398Z" fill="#EA2D2E">
</path>
<path d="M27.3377 33.9845C27.3377 33.9845 28.4431 34.9004 26.1059 35.6269C21.6525 36.985 7.53417 37.3957 3.61769 35.6901C2.19639 35.0899 4.84949 34.2372 5.67069 34.0477C6.52347 33.8582 7.02884 33.8898 7.02884 33.8898C5.44961 32.7843 -3.10981 36.0691 2.67016 36.9851C18.4308 39.5433 31.4121 35.8164 27.3377 33.9845Z" fill="#0074BD">
</path>
<path d="M10.8194 21.983C10.8194 21.983 3.6497 23.6885 8.2926 24.3203C10.2509 24.5729 14.1357 24.5097 17.7995 24.2255C20.7685 23.9728 23.7375 23.4359 23.7375 23.4359C23.7375 23.4359 22.6951 23.8781 21.9372 24.415C14.6411 26.3416 0.585992 25.4257 4.62881 23.4675C8.00839 21.7935 10.8194 21.983 10.8194 21.983Z" fill="#0074BD">
</path>
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Java Sync
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<path d="M25.4011 8.06086C25.2152 7.73146 24.9596 7.44915 24.673 7.2845L14.8739 1.55983C14.3084 1.23046 13.3866 1.23046 12.8211 1.55983L3.02202 7.2845C2.46429 7.61385 1.99951 8.42158 1.99951 9.08033V20.5375C1.99951 20.8669 2.11571 21.2354 2.30162 21.5647L13.8514 14.8128L25.4011 8.06086Z" fill="#659AD2">
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<path d="M13.8512 22.8115C9.49778 22.8115 5.94995 19.2199 5.94995 14.8127C5.94995 10.4055 9.49778 6.81387 13.8512 6.81387C16.6631 6.81387 19.2813 8.34305 20.6912 10.8133L17.2751 12.813C16.5701 11.5818 15.261 10.8133 13.8512 10.8133C11.6745 10.8133 9.90055 12.6091 9.90055 14.8127C9.90055 17.0163 11.6745 18.8121 13.8512 18.8121C15.261 18.8121 16.5701 18.0436 17.2751 16.8124L20.6912 18.8121C19.2813 21.2745 16.6631 22.8115 13.8512 22.8115Z" fill="white">
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<path d="M21.7524 14.3657H20.8771V13.4796H19.994V14.3657H19.1187V15.2518H19.994V16.1458H20.8771V15.2518H21.7524V14.3657Z" fill="white">
</path>
<path d="M25.0446 14.3657H24.1693V13.4796H23.2862V14.3657H22.4109V15.2518H23.2862V16.1458H24.1693V15.2518H25.0446V14.3657Z" fill="white">
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<span>
C++
</span>
</a>
<a class="leafygreen-ui-18cpm0b" href="https://pkg.go.dev/go.mongodb.org/[email protected]/mongo#IndexView.DropAll" target="_self">
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</svg>
<span>
Go
</span>
</a>
<a class="leafygreen-ui-18cpm0b" href="https://mongodb.github.io/mongo-java-driver/5.2/apidocs/mongodb-driver-reactivestreams/com/mongodb/reactivestreams/client/MongoCollection.html#dropIndexes()" target="_self">
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</path>
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<path d="M10.8194 21.983C10.8194 21.983 3.6497 23.6885 8.2926 24.3203C10.2509 24.5729 14.1357 24.5097 17.7995 24.2255C20.7685 23.9728 23.7375 23.4359 23.7375 23.4359C23.7375 23.4359 22.6951 23.8781 21.9372 24.415C14.6411 26.3416 0.585992 25.4257 4.62881 23.4675C8.00839 21.7935 10.8194 21.983 10.8194 21.983Z" fill="#0074BD">
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<path d="M19.2206 0.25293C19.2206 0.25293 23.3266 4.35891 15.3357 10.6758C8.92404 15.7293 13.8828 18.6351 15.3357 21.9199C11.6087 18.5403 8.86088 15.5714 10.6928 12.792C13.3775 8.74919 20.863 6.79093 19.2206 0.25293Z" fill="#EA2D2E">
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</svg>
<span>
Java RS
</span>
</a>
<a class="leafygreen-ui-18cpm0b" href="https://www.mongodb.com/docs/drivers/kotlin/coroutine/current/fundamentals/indexes/#remove-an-index-using-a-wildcard-character" target="_self">
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<span>
Kotlin Coroutine
</span>
</a>
<a class="leafygreen-ui-18cpm0b" href="https://www.mongodb.com/docs/languages/kotlin/kotlin-sync-driver/current/work-with-indexes/#delete-all-indexes" target="_self">
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<span>
Kotlin Sync
</span>
</a>
<a class="leafygreen-ui-18cpm0b" href="https://www.mongodb.com/docs/php-library/current/indexes/index-mgmt/#delete-all-indexes" target="_self">
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<span>
PHP
</span>
</a>
<a class="leafygreen-ui-18cpm0b" href="https://www.mongodb.com/docs/mongoid/current/reference/indexes/#index-management-rake-tasks" target="_self">
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<path d="M17.174 171.34l-5.57 66.328c10.51 14.357 24.97 15.605 40.136 14.486-10.973-27.311-32.894-81.92-34.566-80.814z" fill="url(#:R1ov5qcmqn9:o)">
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<path d="M174.826 22.654l78.1 10.96c-4.169-17.662-16.969-29.06-38.787-32.623l-39.313 21.663z" fill="url(#:R1ov5qcmqn9:p)">
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<span>
Mongoid
</span>
</a>
<a class="leafygreen-ui-18cpm0b" href="https://www.mongodb.com/docs/drivers/rust/current/fundamentals/indexes/#remove-an-index" target="_self">
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<defs>
<clippath id="clip0_5454_14623">
<rect fill="black" height="30" width="30">
</rect>
</clippath>
</defs>
</svg>
<span>
Rust
</span>
</a>
<a class="leafygreen-ui-18cpm0b" href="https://mongodb.github.io/mongo-java-driver/5.2/apidocs/mongo-scala-driver/org/mongodb/scala/MongoCollection.html#dropIndexes():org.mongodb.scala.SingleObservable[Unit]" target="_self">
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<stop offset="75.091%" stop-color="#CD4543">
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</stop>
</lineargradient>
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<path d="M13 39v5c0 .843 17.73 2.255 29.28 5 5.582-1.327 9.72-2.966 9.72-5v-5c0-2.034-4.138-3.673-9.72-5C30.73 36.745 13 38.157 13 39M13 20v5c0 .843 17.73 2.255 29.28 5 5.582-1.327 9.72-2.966 9.72-5v-5c0-2.034-4.138-3.673-9.72-5C30.73 17.745 13 19.157 13 20" fill="#731818">
</path>
<g fill="url(#:R1sv5qcmqn9:aaa)" transform="translate(13)">
<path d="M0 29.53v14.766c0-1.232 39-3.692 39-9.844V19.686c0 6.152-39 8.612-39 9.844M0 9.843V24.61c0-1.231 39-3.691 39-9.843V0C39 6.152 0 8.612 0 9.843M0 49.216v14.766c0-1.231 39-3.691 39-9.843V39.373c0 6.151-39 8.612-39 9.843">
</path>
</g>
</g>
</svg>
<span>
Scala
</span>
</a>
</div>
<button class="leafygreen-ui-ki2t97">
Show all
<svg aria-label="Chevron Down Icon" class="" fill="none" height="16" role="img" viewbox="0 0 16 16" width="16" xmlns="http://www.w3.org/2000/svg">
<path clip-rule="evenodd" d="M1.636 5.364a1 1 0 0 0 0 1.414l4.95 4.95.707.707a1 1 0 0 0 1.414 0l.707-.707 4.95-4.95a1 1 0 0 0 0-1.414l-.707-.707a1 1 0 0 0-1.414 0L8 8.899 3.757 4.657a1 1 0 0 0-1.414 0l-.707.707Z" fill="currentColor" fill-rule="evenodd">
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</svg>
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</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Definition
<a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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</div>
</a>
</h2>
<dl class="method">
<dt>
<code class="leafygreen-ui-1l06pbn">
db.collection.dropIndexes()
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-method-db.collection.dropIndexes" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-method-db.collection.dropIndexes">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Drops the specified index or indexes (except the index on the
<code class="leafygreen-ui-1l06pbn">
_id
</code>
field and the last remaining shard key index) from a
collection.
</p>
<p class="leafygreen-ui-1kp3ins">
You can use the method to:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Drop all but the
<code class="leafygreen-ui-1l06pbn">
_id
</code>
index from a collection.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.collection.dropIndexes()","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">collection</span>.<span class="lg-highlight-title lg-highlight-function">dropIndexes</span>(<!-- -->)</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Drop a specified index from a collection. To specify the index,
you can pass the method either:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The index specification document (unless the index is a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/indexes/index-types/index-text/#std-label-index-type-text">
text
</a>
index in which case, use the
index name to drop):
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.collection.dropIndexes( { a: 1, b: 1 } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">collection</span>.<span class="lg-highlight-title lg-highlight-function">dropIndexes</span>( <!-- -->{ <span class="lg-highlight-attr">a</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">b</span>: <span class="lg-highlight-number">1</span> } )</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The index name:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.collection.dropIndexes( \"a_1_b_1\" )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">collection</span>.<span class="lg-highlight-title lg-highlight-function">dropIndexes</span>( <span class="lg-highlight-string">"a_1_b_1"</span> )</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
To get the names of the indexes, use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.getIndexes/#mongodb-method-db.collection.getIndexes">
<code class="leafygreen-ui-1l06pbn">
db.collection.getIndexes()
</code>
</a>
method.
</p>
</div>
</div>
</li>
</ul>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Drop specified indexes from a collection. To specify multiple indexes to
drop, pass the method an array of index names:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.collection.dropIndexes( [ \"a_1_b_1\", \"a_1\", \"a_1__id_-1\" ] )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">collection</span>.<span class="lg-highlight-title lg-highlight-function">dropIndexes</span>( <!-- -->[ <span class="lg-highlight-string">"a_1_b_1"</span>, <span class="lg-highlight-string">"a_1"</span>, <span class="lg-highlight-string">"a_1__id_-1"</span> ] )</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
If the array of index
names includes a non-existent index, the method errors without
dropping any of the specified indexes.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
To get the names of the indexes, use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.getIndexes/#mongodb-method-db.collection.getIndexes">
<code class="leafygreen-ui-1l06pbn">
db.collection.getIndexes()
</code>
</a>
method.
</p>
</div>
</div>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.collection.dropIndexes" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.collection.dropIndexes()
</code>
</span>
</a>
method takes the following
optional parameter:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:20%"/>
<col style="width:80%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Parameter
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Type
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
indexes
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
string or document or array of strings
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Optional. Specifies the index or indexes to drop.
</p>
<p class="leafygreen-ui-1kp3ins">
<strong>
To drop all but the _id index from the collection
</strong>
,
omit the parameter.
</p>
<p class="leafygreen-ui-1kp3ins">
<strong>
To drop a single index
</strong>
, specify either the index name, the
index specification document (unless the index is a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/indexes/index-types/index-text/#std-label-index-type-text">
text
</a>
index), or an array of the
index name. To drop a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/indexes/index-types/index-text/#std-label-index-type-text">
text
</a>
index,
specify the index name or an array of the index name instead
of the index specification document.
</p>
<p class="leafygreen-ui-1kp3ins">
<strong>
To drop multiple indexes
</strong>
, specify an array of the index names.
</p>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</dd>
</dl>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Compatibility
<a class="headerlink leafygreen-ui-1kepx47" href="#compatibility" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="compatibility">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
This method is available in deployments hosted in the following environments:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas?tck=docs_server" target="_self">
<span>
MongoDB Atlas
</span>
</a>
: The fully
managed service for MongoDB deployments in the cloud
</p>
</li>
</ul>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
This command is supported in all MongoDB Atlas clusters.
For information on Atlas support for all commands, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/unsupported-commands/" target="_self">
<span>
Unsupported Commands
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-enterprise/#std-label-install-mdb-enterprise">
MongoDB Enterprise
</a>
: The
subscription-based, self-managed version of MongoDB
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-community/#std-label-install-mdb-community-edition">
MongoDB Community
</a>
: The
source-available, free-to-use, and self-managed version of MongoDB
</p>
</li>
</ul>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Behavior
<a class="headerlink leafygreen-ui-1kepx47" href="#behavior" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="behavior">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 6.0,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.collection.dropIndexes" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.collection.dropIndexes()
</code>
</span>
</a>
raises an error if you attempt
to use it to remove the last remaining shard key compatible index.
Passing
<code class="leafygreen-ui-1l06pbn">
"*"
</code>
to
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.collection.dropIndexes" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.collection.dropIndexes()
</code>
</span>
</a>
drops all indexes except
the
<code class="leafygreen-ui-1l06pbn">
_id
</code>
index and the last remaining shard key compatible index,
if one exists.
</p>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 5.2, you can use
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.collection.dropIndexes" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.collection.dropIndexes()
</code>
</span>
</a>
to drop existing
indexes on the same collection even if there is a build in progress on
another index. In earlier versions, attempting to drop a different
index during an in-progress index build results in a
<code class="leafygreen-ui-1l06pbn">
BackgroundOperationInProgressForNamespace
</code>
error.
</p>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Kill related queries only
<a class="headerlink leafygreen-ui-1kepx47" href="#kill-related-queries-only" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="kill-related-queries-only">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.collection.dropIndexes" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
dropIndexes()
</code>
</span>
</a>
operation only kills queries that are using the index being
dropped. This may include queries considering the index as part of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/query-plans/#std-label-query-plans-query-optimization">
query planning
<!-- -->
.
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Resource Locking
<a class="headerlink leafygreen-ui-1kepx47" href="#resource-locking" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="resource-locking">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.collection.dropIndexes" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.collection.dropIndexes()
</code>
</span>
</a>
obtains an exclusive lock on the specified collection
for the duration of the operation. All subsequent operations on the
collection must wait until
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.collection.dropIndexes" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.collection.dropIndexes()
</code>
</span>
</a>
releases the
lock.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Index Names
<a class="headerlink leafygreen-ui-1kepx47" href="#index-names" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="index-names">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
If the method is passed an array of index names that includes a
non-existent index, the method errors without dropping any of the
specified indexes.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
<code class="leafygreen-ui-1l06pbn">
_id
</code>
Index
<a class="headerlink leafygreen-ui-1kepx47" href="#_id-index" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="_id-index">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
You cannot drop the default index on the
<code class="leafygreen-ui-1l06pbn">
_id
</code>
field.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
text Indexes
<a class="headerlink leafygreen-ui-1kepx47" href="#text-indexes" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="text-indexes">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To drop a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/indexes/index-types/index-text/#std-label-index-type-text">
text
</a>
index, specify the index name
instead of the index specification document.
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-dropIndexes-method-index-builds">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Stop In-Progress Index Builds
<a class="headerlink leafygreen-ui-1kepx47" href="#stop-in-progress-index-builds" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="stop-in-progress-index-builds">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
If an index specified to
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.collection.dropIndexes" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.collection.dropIndexes()
</code>
</span>
</a>
is still building,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.collection.dropIndexes" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.collection.dropIndexes()
</code>
</span>
</a>
attempts
to stop the in-progress build. Stopping an index build has the same effect as
dropping the built index.
</p>
<p class="leafygreen-ui-1kp3ins">
For replica sets, run
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.collection.dropIndexes" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.collection.dropIndexes()
</code>
</span>
</a>
on the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-primary">
primary
</a>
.
The primary stops the index build and creates an associated
"abortIndexBuild"
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-oplog">
oplog
</a>
entry. Secondaries which replicate
the "abortIndexBuild" oplog entry stop the in-progress index build and
discard the build job. See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/index-creation/#std-label-index-build-process">
Index Build Process
</a>
for detailed
documentation on the index build process.
</p>
<p class="leafygreen-ui-1kp3ins">
Use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/currentOp/#mongodb-dbcommand-dbcmd.currentOp">
<code class="leafygreen-ui-1l06pbn">
currentOp
</code>
</a>
to identify the index builds associated with
a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/createIndexes/#mongodb-dbcommand-dbcmd.createIndexes">
<code class="leafygreen-ui-1l06pbn">
createIndexes
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.createIndexes/#mongodb-method-db.collection.createIndexes">
<code class="leafygreen-ui-1l06pbn">
db.collection.createIndexes()
</code>
</a>
operation. See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/currentOp/#std-label-currentOp-cmd-index-creation">
Active Indexing Operations
</a>
for an example.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Hidden Indexes
<a class="headerlink leafygreen-ui-1kepx47" href="#hidden-indexes" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="hidden-indexes">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
MongoDB offers the ability to hide or unhide indexes from the query planner.
By hiding an index from the planner, you can evaluate the potential impact of
dropping an index without actually dropping the index.
</p>
<p class="leafygreen-ui-1kp3ins">
If after the evaluation, the user decides to drop the index, you
can drop the hidden index; i.e. you do not need to unhide it first to
drop it.
</p>
<p class="leafygreen-ui-1kp3ins">
If, however, the impact is negative, the user can unhide the index
instead of having to recreate a dropped index. And because indexes are
fully maintained while hidden, the indexes are immediately available
for use once unhidden.
</p>
<p class="leafygreen-ui-1kp3ins">
For more information on hidden indexes, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/index-hidden/">
Hidden Indexes
<!-- -->
.
</a>
</p>
</section>
</section>
</section>
|
https://www.mongodb.com/docs/manual/tutorial/query-array-of-documents/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Query an Array of Embedded Documents
<a class="headerlink leafygreen-ui-1kepx47" href="#query-an-array-of-embedded-documents" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="query-an-array-of-embedded-documents">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#query-for-a-document-nested-in-an-array" target="_self">
<span>
Query for a Document Nested in an Array
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#specify-a-query-condition-on-a-field-in-an-array-of-documents" target="_self">
<span>
Specify a Query Condition on a Field in an Array of Documents
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#specify-multiple-conditions-for-array-of-documents" target="_self">
<span>
Specify Multiple Conditions for Array of Documents
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#query-an-array-of-documents-with-mongodb-atlas" target="_self">
<span>
Query an Array of Documents with MongoDB Atlas
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#additional-query-tutorials" target="_self">
<span>
Additional Query Tutorials
</span>
</a>
</li>
</ul>
</div>
<p class="leafygreen-ui-1kp3ins">
You can query documents in MongoDB by using the following
methods:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Your programming language's driver.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/" target="_self">
<span>
MongoDB Atlas UI
</span>
</a>
. To learn more, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-query-array-documents-atlas-ui" target="_self">
<span>
Query an Array of Documents with MongoDB Atlas
</span>
</a>
.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/compass/current/" target="_self">
<span>
MongoDB Compass
<!-- -->
.
</span>
</a>
</p>
</li>
</ul>
<hr class="css-1unva0n e4ru7ww0"/>
<p class="leafygreen-ui-1kp3ins">
➤
<!-- -->
Use the
<strong>
Select your language
</strong>
drop-down menu in the
upper-right to set the language of the following examples or select
MongoDB Compass.
</p>
<hr class="css-1unva0n e4ru7ww0"/>
<div aria-hidden="true">
</div>
<div class="leafygreen-ui-f2qztv" data-lgid="lg-tabs">
<div class="leafygreen-ui-jp7pox" id="tabs-4">
<div aria-label="Tabs to describe usage of drivers" aria-orientation="horizontal" class="leafygreen-ui-m8p1vb lg-ui-tab-list-0000" data-lgid="lg-tabs-tab_list" role="tablist">
<button aria-controls="_yj1c5y4ml" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_pkdfzhamf" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
MongoDB Shell
</div>
</button>
<button aria-controls="_qkf9q8bv1" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_3780kwti4" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Compass
</div>
</button>
<button aria-controls="_jjxj3wib2" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_9drjp3qas" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
C
</div>
</button>
<button aria-controls="_bur92wlb3" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_qkr8p7cpr" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
C#
</div>
</button>
<button aria-controls="_344w2i30a" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_bq8qqmkab" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Go
</div>
</button>
<button aria-controls="_stypj7p7z" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_4ddkfhiac" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Java (Async)
</div>
</button>
<button aria-controls="_0k5ef8k7k" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_j30eds53i" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Java (Sync)
</div>
</button>
<button aria-controls="_xhteeh4nu" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_tj3u138vi" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Kotlin (Coroutine)
</div>
</button>
<button aria-controls="_8itkgb2a9" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_1382lkk3o" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Motor
</div>
</button>
<button aria-controls="_72eg1hiwb" aria-selected="true" class="leafygreen-ui-1l773z1" data-text="" id="_kj5e380il" name="" role="tab" tabindex="0">
<div class="leafygreen-ui-1nxuzmg">
Node.js
</div>
</button>
<button aria-controls="_ntdd6ajka" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_h0g8tma86" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Perl
</div>
</button>
<button aria-controls="_sike844h1" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_go4n5binn" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
PHP
</div>
</button>
<button aria-controls="_ia86q4tsv" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_7r6zjtr8u" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Python
</div>
</button>
<button aria-controls="_1qib0v6c6" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_tmwtnek7w" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Ruby
</div>
</button>
<button aria-controls="_p5yrx8zpf" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_xumo4ee9s" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Scala
</div>
</button>
</div>
<div class="leafygreen-ui-ov1ktg">
<div class="leafygreen-ui-1sg2lsz">
</div>
</div>
</div>
<div class="lg-ui-tab-panels-0000" data-lgid="lg-tabs-tab_panels">
<div>
<div aria-labelledby="_9ukbzqqg8" class="leafygreen-ui-38lglc" id="_wgittew5l" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
This page provides examples of
<!-- -->
query operations on an array of nested documents
<!-- -->
using the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.find/#mongodb-method-db.collection.find">
<code class="leafygreen-ui-1l06pbn">
db.collection.find()
</code>
</a>
method in
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
.
</span>
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
The examples on this page use the
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection. Connect to a
test database in your MongoDB instance then create the
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection:
</p>
</div>
</div>
</div>
<div>
<div aria-labelledby="_q0sophwln" class="leafygreen-ui-38lglc" id="_erfrpt97d" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
This page provides examples of
<!-- -->
query operations on an array of nested documents
<!-- -->
using
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/compass/current/#std-label-compass-index" target="_self">
<span>
MongoDB Compass
<!-- -->
.
</span>
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
The examples on this page use the
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection. Connect to a
test database in your MongoDB instance then create the
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection:
</p>
</div>
</div>
</div>
<div>
<div aria-labelledby="_gkarqhp0p" class="leafygreen-ui-38lglc" id="_d3apvh2ng" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
This page provides examples of
<!-- -->
query operations on an array of nested documents
<!-- -->
using
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://mongoc.org/libmongoc/current/mongoc_collection_find_with_opts.html" rel="noopener noreferrer">
<span>
mongoc_collection_find_with_opts
<!-- -->
.
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
The examples on this page use the
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection. Connect to a
test database in your MongoDB instance then create the
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection:
</p>
</div>
</div>
</div>
<div>
<div aria-labelledby="_zdtkf9juy" class="leafygreen-ui-38lglc" id="_56ux5ernt" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
This page provides examples of
<!-- -->
query operations on an array of nested documents
<!-- -->
using the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://mongodb.github.io/mongo-csharp-driver/2.10/apidocs/html/M_MongoDB_Driver_MongoCollection_1_Find.htm" rel="noopener noreferrer">
<span>
MongoCollection.Find()
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
method in the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://mongodb.github.io/mongo-csharp-driver/" rel="noopener noreferrer">
<span>
MongoDB C# Driver
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
.
</p>
<p class="leafygreen-ui-1kp3ins">
The examples on this page use the
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection. Connect to a
test database in your MongoDB instance then create the
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection:
</p>
</div>
</div>
</div>
<div>
<div aria-labelledby="_ozibvyyb8" class="leafygreen-ui-38lglc" id="_bod1hlrz1" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
This page provides examples of
<!-- -->
query operations on an array of nested documents
<!-- -->
using the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://godoc.org/github.com/mongodb/mongo-go-driver/mongo#Collection.Find" rel="noopener noreferrer">
<span>
Collection.Find
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
function in the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://github.com/mongodb/mongo-go-driver/" rel="noopener noreferrer">
<span>
MongoDB Go Driver
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
.
</p>
<p class="leafygreen-ui-1kp3ins">
The examples on this page use the
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection. Connect to a
test database in your MongoDB instance then create the
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection:
</p>
</div>
</div>
</div>
<div>
<div aria-labelledby="_iroyn48t9" class="leafygreen-ui-38lglc" id="_zziee3ka0" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
This page provides examples of
<!-- -->
query operations on an array of nested documents
<!-- -->
using the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="http://mongodb.github.io/mongo-java-driver-reactivestreams/1.6/javadoc/com/mongodb/reactivestreams/client/MongoCollection.html#find()" rel="noopener noreferrer">
<span>
com.mongodb.reactivestreams.client.MongoCollection.find
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
method in the MongoDB
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="http://mongodb.github.io/mongo-java-driver-reactivestreams/1.6/" rel="noopener noreferrer">
<span>
Java Reactive Streams Driver
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
.
</p>
<p class="leafygreen-ui-1kp3ins">
The examples on this page use the
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection. Connect to a
test database in your MongoDB instance then create the
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection:
</p>
</div>
</div>
</div>
<div>
<div aria-labelledby="_jc0141oab" class="leafygreen-ui-38lglc" id="_7nrx89w6c" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
This page provides examples of
<!-- -->
query operations on an array of nested documents
<!-- -->
using the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://mongodb.github.io/mongo-java-driver/3.4/javadoc/com/mongodb/client/MongoCollection.html#find--" rel="noopener noreferrer">
<span>
com.mongodb.client.MongoCollection.find
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
method in the MongoDB
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="http://mongodb.github.io/mongo-java-driver/3.4/driver/" rel="noopener noreferrer">
<span>
Java Synchronous Driver
<!-- -->
.
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
The driver provides
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://mongodb.github.io/mongo-java-driver/3.4/javadoc/com/mongodb/client/model/Filters.html" rel="noopener noreferrer">
<span>
com.mongodb.client.model.Filters
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
helper methods to facilitate the creation of filter
documents. The examples on this page use these methods to
create the filter documents.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The examples on this page use the
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection. Connect to a
test database in your MongoDB instance then create the
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection:
</p>
</div>
</div>
</div>
<div>
<div aria-labelledby="_augjzwc7k" class="leafygreen-ui-38lglc" id="_a0bglke1d" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
This page provides examples of
<!-- -->
query operations on an array of nested documents
<!-- -->
by using the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://mongodb.github.io/mongo-java-driver/4.11/apidocs/mongodb-driver-kotlin-coroutine/mongodb-driver-kotlin-coroutine/com.mongodb.kotlin.client.coroutine/-mongo-collection/find.html" rel="noopener noreferrer">
<span>
MongoCollection.find()
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
method in the MongoDB
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/drivers/kotlin/coroutine/current/" target="_self">
<span>
Kotlin Coroutine Driver
<!-- -->
.
</span>
</a>
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
The driver provides
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://mongodb.github.io/mongo-java-driver/4.11/apidocs/mongodb-driver-core/com/mongodb/client/model/Filters.html" rel="noopener noreferrer">
<span>
com.mongodb.client.model.Filters
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
helper methods to facilitate the creation of filter
documents. The examples on this page use these methods to
create the filter documents.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The examples on this page use the
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection. Connect to a
test database in your MongoDB instance then create the
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection:
</p>
</div>
</div>
</div>
<div>
<div aria-labelledby="_c4ac1pq0c" class="leafygreen-ui-38lglc" id="_0qg1jpaoo" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
This page provides examples of
<!-- -->
query operations on an array of nested documents
<!-- -->
using the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://motor.readthedocs.io/en/stable/api-asyncio/asyncio_motor_collection.html#motor.motor_asyncio.AsyncIOMotorCollection.find" rel="noopener noreferrer">
<span>
<code class="leafygreen-ui-1l06pbn">
motor.motor_asyncio.AsyncIOMotorCollection.find
</code>
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
method in the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://motor.readthedocs.io/en/stable/" rel="noopener noreferrer">
<span>
Motor
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
driver.
</p>
<p class="leafygreen-ui-1kp3ins">
The examples on this page use the
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection. Connect to a
test database in your MongoDB instance then create the
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection:
</p>
</div>
</div>
</div>
<div>
<div aria-labelledby="_6lqg58u0q" class="" id="_y6fkwae4f" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
This page provides examples of
<!-- -->
query operations on an array of nested documents
<!-- -->
using the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="http://mongodb.github.io/node-mongodb-native/3.6/api/Collection.html#find" rel="noopener noreferrer">
<span>
Collection.find()
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
method in
the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="http://mongodb.github.io/node-mongodb-native/3.6/" rel="noopener noreferrer">
<span>
MongoDB Node.js Driver
<!-- -->
.
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
The examples on this page use the
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection. Connect to a
test database in your MongoDB instance then create the
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection:
</p>
</div>
</div>
</div>
<div>
<div aria-labelledby="_h2uabynd9" class="leafygreen-ui-38lglc" id="_pjyjl0ksu" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
This page provides examples of
<!-- -->
query operations on an array of nested documents
<!-- -->
using the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://metacpan.org/pod/MongoDB::Collection#find" rel="noopener noreferrer">
<span>
MongoDB::Collection::find()
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
method
in the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://metacpan.org/release/MongoDB" rel="noopener noreferrer">
<span>
MongoDB Perl Driver
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
.
</p>
<p class="leafygreen-ui-1kp3ins">
The examples on this page use the
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection. Connect to a
test database in your MongoDB instance then create the
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection:
</p>
</div>
</div>
</div>
<div>
<div aria-labelledby="_9btyb8osj" class="leafygreen-ui-38lglc" id="_c58eqa17t" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
This page provides examples of
<!-- -->
query operations on an array of nested documents
<!-- -->
using the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/php-library/upcoming/reference/method/MongoDBCollection-find/#mongodb-phpmethod-phpmethod.MongoDB-Collection--find--" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
MongoDB\\Collection::find()
</code>
</span>
</a>
method in the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/drivers/php-libraries/" target="_self">
<span>
MongoDB PHP Library
</span>
</a>
.
</p>
<p class="leafygreen-ui-1kp3ins">
The examples on this page use the
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection. Connect to a
test database in your MongoDB instance then create the
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection:
</p>
</div>
</div>
</div>
<div>
<div aria-labelledby="_46v7nyama" class="leafygreen-ui-38lglc" id="_z008t48jq" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
This page provides examples of
<!-- -->
query operations on an array of nested documents
<!-- -->
using the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://pymongo.readthedocs.io/en/stable/api/pymongo/collection.html#pymongo.collection.Collection.find" rel="noopener noreferrer">
<span>
<code class="leafygreen-ui-1l06pbn">
pymongo.collection.Collection.find
</code>
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
method in the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/languages/python/pymongo-driver/current/" target="_self">
<span>
PyMongo
</span>
</a>
Python driver.
</p>
<p class="leafygreen-ui-1kp3ins">
The examples on this page use the
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection. Connect to a
test database in your MongoDB instance then create the
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection:
</p>
</div>
</div>
</div>
<div>
<div aria-labelledby="_6icpmn0aq" class="leafygreen-ui-38lglc" id="_aro6nb993" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
This page provides examples of
<!-- -->
query operations on an array of nested documents
<!-- -->
using the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="http://api.mongodb.com/ruby/current/Mongo/Collection.html#find-instance_method" target="_self">
<span>
Mongo::Collection#find()
</span>
</a>
method in the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/ruby-driver/current/" target="_self">
<span>
MongoDB Ruby Driver
<!-- -->
.
</span>
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
The examples on this page use the
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection. Connect to a
test database in your MongoDB instance then create the
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection:
</p>
</div>
</div>
</div>
<div>
<div aria-labelledby="_72wgec68l" class="leafygreen-ui-38lglc" id="_eo1i84npc" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
This page provides examples of
<!-- -->
query operations on an array of nested documents
<!-- -->
using the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="http://mongodb.github.io/mongo-scala-driver/2.9/scaladoc/org/mongodb/scala/MongoCollection.html#find[C](filter:org.mongodb.scala.bson.conversions.Bson)(implicite:org.mongodb.scala.bson.DefaultHelper.DefaultsTo[C,TResult],implicitct:scala.reflect.ClassTag[C]):org.mongodb.scala.FindObservable[C]" rel="noopener noreferrer">
<span>
collection.find()
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
method
in the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="http://mongodb.github.io/mongo-scala-driver/" rel="noopener noreferrer">
<span>
MongoDB Scala Driver
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
.
</p>
<p class="leafygreen-ui-1kp3ins">
The examples on this page use the
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection. Connect to a
test database in your MongoDB instance then create the
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection:
</p>
</div>
</div>
</div>
</div>
</div>
<div aria-hidden="true">
</div>
<div class="leafygreen-ui-f2qztv" data-lgid="lg-tabs">
<div class="leafygreen-ui-jp7pox" id="tabs-5">
<div aria-label="Tabs to describe usage of drivers" aria-orientation="horizontal" class="leafygreen-ui-m8p1vb lg-ui-tab-list-0000" data-lgid="lg-tabs-tab_list" role="tablist">
<button aria-controls="_xpukrh9lr" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_2i7nwp0zp" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
MongoDB Shell
</div>
</button>
<button aria-controls="_6q6w4q24g" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_y43jusgv9" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Compass
</div>
</button>
<button aria-controls="_ietp4ellu" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_8ghhg72ao" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
C
</div>
</button>
<button aria-controls="_s5gshp3st" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_empwng33a" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
C#
</div>
</button>
<button aria-controls="_9qwcqb2ej" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_qr4behqxw" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Go
</div>
</button>
<button aria-controls="_7ypgfh7bp" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_g2pp1ttq6" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Java (Async)
</div>
</button>
<button aria-controls="_3cd60wffb" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_wkuk0qmxo" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Java (Sync)
</div>
</button>
<button aria-controls="_a6yhh1hdf" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_dzxasl21g" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Kotlin (Coroutine)
</div>
</button>
<button aria-controls="_gl7qlkgsh" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_y7pk49vdp" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Motor
</div>
</button>
<button aria-controls="_hbkwre9km" aria-selected="true" class="leafygreen-ui-1l773z1" data-text="" id="_yhdnn09m4" name="" role="tab" tabindex="0">
<div class="leafygreen-ui-1nxuzmg">
Node.js
</div>
</button>
<button aria-controls="_zfgndd5ir" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_9il7fd0zv" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Perl
</div>
</button>
<button aria-controls="_zx1ndqibt" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_ieglz9eby" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
PHP
</div>
</button>
<button aria-controls="_d8hsrxw29" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_3bvel6ybd" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Python
</div>
</button>
<button aria-controls="_2g2gvbdcb" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_2lyxnyfss" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Ruby
</div>
</button>
<button aria-controls="_sn781ek84" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_111j5bw5l" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Scala
</div>
</button>
</div>
<div class="leafygreen-ui-ov1ktg">
<div class="leafygreen-ui-1sg2lsz">
</div>
</div>
</div>
<div class="lg-ui-tab-panels-0000" data-lgid="lg-tabs-tab_panels">
<div>
<div aria-labelledby="_8dwyf7clq" class="leafygreen-ui-38lglc" id="_td4re6um6" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.inventory.insertMany( [\n { item: \"journal\", instock: [ { warehouse: \"A\", qty: 5 }, { warehouse: \"C\", qty: 15 } ] },\n { item: \"notebook\", instock: [ { warehouse: \"C\", qty: 5 } ] },\n { item: \"paper\", instock: [ { warehouse: \"A\", qty: 60 }, { warehouse: \"B\", qty: 15 } ] },\n { item: \"planner\", instock: [ { warehouse: \"A\", qty: 40 }, { warehouse: \"B\", qty: 5 } ] },\n { item: \"postcard\", instock: [ { warehouse: \"B\", qty: 15 }, { warehouse: \"C\", qty: 35 } ] }\n]);","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-9lvdmr">
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-string">"item"</span>: <span class="lg-highlight-string">"journal"</span>, <span class="lg-highlight-string">"instock"</span>: <!-- -->[ <!-- -->{ <span class="lg-highlight-string">"warehouse"</span>: <span class="lg-highlight-string">"A"</span>, <span class="lg-highlight-string">"qty"</span>: <span class="lg-highlight-number">5</span> }<!-- -->, <!-- -->{ <span class="lg-highlight-string">"warehouse"</span>: <span class="lg-highlight-string">"C"</span>, <span class="lg-highlight-string">"qty"</span>: <span class="lg-highlight-number">15</span> } ] }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-string">"item"</span>: <span class="lg-highlight-string">"notebook"</span>, <span class="lg-highlight-string">"instock"</span>: <!-- -->[ <!-- -->{ <span class="lg-highlight-string">"warehouse"</span>: <span class="lg-highlight-string">"C"</span>, <span class="lg-highlight-string">"qty"</span>: <span class="lg-highlight-number">5</span> } ] }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-string">"item"</span>: <span class="lg-highlight-string">"paper"</span>, <span class="lg-highlight-string">"instock"</span>: <!-- -->[ <!-- -->{ <span class="lg-highlight-string">"warehouse"</span>: <span class="lg-highlight-string">"A"</span>, <span class="lg-highlight-string">"qty"</span>: <span class="lg-highlight-number">60</span> }<!-- -->, <!-- -->{ <span class="lg-highlight-string">"warehouse"</span>: <span class="lg-highlight-string">"B"</span>, <span class="lg-highlight-string">"qty"</span>: <span class="lg-highlight-number">15</span> } ] }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-string">"item"</span>: <span class="lg-highlight-string">"planner"</span>, <span class="lg-highlight-string">"instock"</span>: <!-- -->[ <!-- -->{ <span class="lg-highlight-string">"warehouse"</span>: <span class="lg-highlight-string">"A"</span>, <span class="lg-highlight-string">"qty"</span>: <span class="lg-highlight-number">40</span> }<!-- -->, <!-- -->{ <span class="lg-highlight-string">"warehouse"</span>: <span class="lg-highlight-string">"B"</span>, <span class="lg-highlight-string">"qty"</span>: <span class="lg-highlight-number">5</span> } ] }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-string">"item"</span>: <span class="lg-highlight-string">"postcard"</span>, <span class="lg-highlight-string">"instock"</span>: <!-- -->[ <!-- -->{ <span class="lg-highlight-string">"warehouse"</span>: <span class="lg-highlight-string">"B"</span>,<span class="lg-highlight-string">"qty"</span>: <span class="lg-highlight-number">15</span> }<!-- -->, <!-- -->{ <span class="lg-highlight-string">"warehouse"</span>: <span class="lg-highlight-string">"C"</span>, <span class="lg-highlight-string">"qty"</span>: <span class="lg-highlight-number">35</span> } ] }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">]</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongoc_collection_t *collection;\nmongoc_bulk_operation_t *bulk;\nbson_t *doc;\nbool r;\nbson_error_t error;\nbson_t reply;\n\ncollection = mongoc_database_get_collection (db, \"inventory\");\nbulk = mongoc_collection_create_bulk_operation_with_opts (collection, NULL);\ndoc = BCON_NEW (\n \"item\", BCON_UTF8 (\"journal\"),\n \"instock\", \"[\",\n \"{\",\n \"warehouse\", BCON_UTF8 (\"A\"),\n \"qty\", BCON_INT64 (5),\n \"}\",\"{\",\n \"warehouse\", BCON_UTF8 (\"C\"),\n \"qty\", BCON_INT64 (15),\n \"}\",\n \"]\");\n\nr = mongoc_bulk_operation_insert_with_opts (bulk, doc, NULL, &error);\nbson_destroy (doc);\nif (!r) {\n MONGOC_ERROR (\"%s\\n\", error.message);\n goto done;\n}\n\ndoc = BCON_NEW (\n \"item\", BCON_UTF8 (\"notebook\"),\n \"instock\", \"[\",\n \"{\",\n \"warehouse\", BCON_UTF8 (\"C\"),\n \"qty\", BCON_INT64 (5),\n \"}\",\n \"]\");\n\nr = mongoc_bulk_operation_insert_with_opts (bulk, doc, NULL, &error);\nbson_destroy (doc);\nif (!r) {\n MONGOC_ERROR (\"%s\\n\", error.message);\n goto done;\n}\n\ndoc = BCON_NEW (\n \"item\", BCON_UTF8 (\"paper\"),\n \"instock\", \"[\",\n \"{\",\n \"warehouse\", BCON_UTF8 (\"A\"),\n \"qty\", BCON_INT64 (60),\n \"}\",\"{\",\n \"warehouse\", BCON_UTF8 (\"B\"),\n \"qty\", BCON_INT64 (15),\n \"}\",\n \"]\");\n\nr = mongoc_bulk_operation_insert_with_opts (bulk, doc, NULL, &error);\nbson_destroy (doc);\nif (!r) {\n MONGOC_ERROR (\"%s\\n\", error.message);\n goto done;\n}\n\ndoc = BCON_NEW (\n \"item\", BCON_UTF8 (\"planner\"),\n \"instock\", \"[\",\n \"{\",\n \"warehouse\", BCON_UTF8 (\"A\"),\n \"qty\", BCON_INT64 (40),\n \"}\",\"{\",\n \"warehouse\", BCON_UTF8 (\"B\"),\n \"qty\", BCON_INT64 (5),\n \"}\",\n \"]\");\n\nr = mongoc_bulk_operation_insert_with_opts (bulk, doc, NULL, &error);\nbson_destroy (doc);\nif (!r) {\n MONGOC_ERROR (\"%s\\n\", error.message);\n goto done;\n}\n\ndoc = BCON_NEW (\n \"item\", BCON_UTF8 (\"postcard\"),\n \"instock\", \"[\",\n \"{\",\n \"warehouse\", BCON_UTF8 (\"B\"),\n \"qty\", BCON_INT64 (15),\n \"}\",\"{\",\n \"warehouse\", BCON_UTF8 (\"C\"),\n \"qty\", BCON_INT64 (35),\n \"}\",\n \"]\");\n\nr = mongoc_bulk_operation_insert_with_opts (bulk, doc, NULL, &error);\nbson_destroy (doc);\nif (!r) {\n MONGOC_ERROR (\"%s\\n\", error.message);\n goto done;\n}\n\n/* \"reply\" is initialized on success or error */\nr = (bool) mongoc_bulk_operation_execute (bulk, &reply, &error);\nif (!r) {\n MONGOC_ERROR (\"%s\\n\", error.message);\n}","programmingLanguage":"C"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongoc_collection_t *collection;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">mongoc_bulk_operation_t *bulk;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">bson_t *doc;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">bool r;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">bson_error_t error;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">bson_t reply;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">collection <!-- -->= <!-- -->mongoc_database_get_collection (db<!-- -->, <span class="lg-highlight-string">"inventory"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">bulk <!-- -->= <!-- -->mongoc_collection_create_bulk_operation_with_opts (collection<!-- -->, <span class="lg-highlight-variable lg-highlight-constant">NULL</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">doc <!-- -->= <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_NEW</span> (</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"item"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_UTF8</span> (<!-- --><span class="lg-highlight-string">"journal"</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-string">"["</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"{"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"warehouse"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_UTF8</span> (<!-- --><span class="lg-highlight-string">"A"</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"qty"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_INT64</span> (<!-- --><span class="lg-highlight-number">5</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"}"</span>,<span class="lg-highlight-string">"{"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"warehouse"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_UTF8</span> (<!-- --><span class="lg-highlight-string">"C"</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"qty"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_INT64</span> (<!-- --><span class="lg-highlight-number">15</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"}"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"]"</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">r <!-- -->= <!-- -->mongoc_bulk_operation_insert_with_opts (bulk<!-- -->, doc, <span class="lg-highlight-variable lg-highlight-constant">NULL</span>, &error);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">bson_destroy <!-- -->(<!-- -->doc);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">if</span> <!-- -->(<!-- -->!r) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><span class="lg-highlight-variable lg-highlight-constant">MONGOC_ERROR</span> (<span class="lg-highlight-string">"%s</span><!-- --><span class="lg-highlight-string">\n</span><span class="lg-highlight-string">"</span>, error.<span class="lg-highlight-property">message</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> goto done;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">doc <!-- -->= <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_NEW</span> (</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"item"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_UTF8</span> (<!-- --><span class="lg-highlight-string">"notebook"</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-string">"["</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"{"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"warehouse"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_UTF8</span> (<!-- --><span class="lg-highlight-string">"C"</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"qty"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_INT64</span> (<!-- --><span class="lg-highlight-number">5</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"}"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"]"</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">r <!-- -->= <!-- -->mongoc_bulk_operation_insert_with_opts (bulk<!-- -->, doc, <span class="lg-highlight-variable lg-highlight-constant">NULL</span>, &error);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">bson_destroy <!-- -->(<!-- -->doc);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">if</span> <!-- -->(<!-- -->!r) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><span class="lg-highlight-variable lg-highlight-constant">MONGOC_ERROR</span> (<span class="lg-highlight-string">"%s</span><!-- --><span class="lg-highlight-string">\n</span><span class="lg-highlight-string">"</span>, error.<span class="lg-highlight-property">message</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> goto done;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">doc <!-- -->= <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_NEW</span> (</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"item"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_UTF8</span> (<!-- --><span class="lg-highlight-string">"paper"</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-string">"["</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"{"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"warehouse"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_UTF8</span> (<!-- --><span class="lg-highlight-string">"A"</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"qty"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_INT64</span> (<!-- --><span class="lg-highlight-number">60</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"}"</span>,<span class="lg-highlight-string">"{"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"warehouse"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_UTF8</span> (<!-- --><span class="lg-highlight-string">"B"</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"qty"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_INT64</span> (<!-- --><span class="lg-highlight-number">15</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"}"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"]"</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">r <!-- -->= <!-- -->mongoc_bulk_operation_insert_with_opts (bulk<!-- -->, doc, <span class="lg-highlight-variable lg-highlight-constant">NULL</span>, &error);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">bson_destroy <!-- -->(<!-- -->doc);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">if</span> <!-- -->(<!-- -->!r) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><span class="lg-highlight-variable lg-highlight-constant">MONGOC_ERROR</span> (<span class="lg-highlight-string">"%s</span><!-- --><span class="lg-highlight-string">\n</span><span class="lg-highlight-string">"</span>, error.<span class="lg-highlight-property">message</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> goto done;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">doc <!-- -->= <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_NEW</span> (</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"item"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_UTF8</span> (<!-- --><span class="lg-highlight-string">"planner"</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-string">"["</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"{"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"warehouse"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_UTF8</span> (<!-- --><span class="lg-highlight-string">"A"</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"qty"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_INT64</span> (<!-- --><span class="lg-highlight-number">40</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"}"</span>,<span class="lg-highlight-string">"{"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"warehouse"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_UTF8</span> (<!-- --><span class="lg-highlight-string">"B"</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"qty"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_INT64</span> (<!-- --><span class="lg-highlight-number">5</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"}"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"]"</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">r <!-- -->= <!-- -->mongoc_bulk_operation_insert_with_opts (bulk<!-- -->, doc, <span class="lg-highlight-variable lg-highlight-constant">NULL</span>, &error);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">bson_destroy <!-- -->(<!-- -->doc);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">if</span> <!-- -->(<!-- -->!r) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><span class="lg-highlight-variable lg-highlight-constant">MONGOC_ERROR</span> (<span class="lg-highlight-string">"%s</span><!-- --><span class="lg-highlight-string">\n</span><span class="lg-highlight-string">"</span>, error.<span class="lg-highlight-property">message</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> goto done;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">doc <!-- -->= <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_NEW</span> (</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"item"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_UTF8</span> (<!-- --><span class="lg-highlight-string">"postcard"</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-string">"["</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"{"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"warehouse"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_UTF8</span> (<!-- --><span class="lg-highlight-string">"B"</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"qty"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_INT64</span> (<!-- --><span class="lg-highlight-number">15</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"}"</span>,<span class="lg-highlight-string">"{"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"warehouse"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_UTF8</span> (<!-- --><span class="lg-highlight-string">"C"</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"qty"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_INT64</span> (<!-- --><span class="lg-highlight-number">35</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"}"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"]"</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">r <!-- -->= <!-- -->mongoc_bulk_operation_insert_with_opts (bulk<!-- -->, doc, <span class="lg-highlight-variable lg-highlight-constant">NULL</span>, &error);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">bson_destroy <!-- -->(<!-- -->doc);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">if</span> <!-- -->(<!-- -->!r) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><span class="lg-highlight-variable lg-highlight-constant">MONGOC_ERROR</span> (<span class="lg-highlight-string">"%s</span><!-- --><span class="lg-highlight-string">\n</span><span class="lg-highlight-string">"</span>, error.<span class="lg-highlight-property">message</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> goto done;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">/* "reply"</span><span class="lg-highlight-comment"> is initialized on </span><span class="lg-highlight-comment">success or error */</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">r <!-- -->= <!-- -->(bool) mongoc_bulk_operation_execute (<!-- -->bulk<!-- -->, <!-- -->&reply, &error);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">if</span> <!-- -->(<!-- -->!r) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><span class="lg-highlight-variable lg-highlight-constant">MONGOC_ERROR</span> (<span class="lg-highlight-string">"%s</span><!-- --><span class="lg-highlight-string">\n</span><span class="lg-highlight-string">"</span>, error.<span class="lg-highlight-property">message</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> documents = <span class="lg-highlight-keyword">new</span>[]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"item"</span>, <span class="lg-highlight-string">"journal"</span> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonArray</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span> { { <span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"A"</span> }, { <span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">5</span> } },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span> { { <span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"C"</span> }, { <span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">15</span> } } }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"item"</span>, <span class="lg-highlight-string">"notebook"</span> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonArray</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span> { { <span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"C"</span> }, { <span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">5</span> } } }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"item"</span>, <span class="lg-highlight-string">"paper"</span> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonArray</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span> { { <span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"A"</span> }, { <span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">60</span> } },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span> { { <span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"B"</span> }, { <span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">15</span> } } }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"item"</span>, <span class="lg-highlight-string">"planner"</span> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonArray</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span> { { <span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"A"</span> }, { <span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">40</span> } },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span> { { <span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"B"</span> }, { <span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">5</span> } } }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"item"</span>, <span class="lg-highlight-string">"postcard"</span> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonArray</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span> { { <span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"B"</span> }, { <span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">15</span> } },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span> { { <span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"C"</span> }, { <span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">35</span> } } }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">};</td></tr><tr class=""><td class="leafygreen-ui-7razhx">collection.<span class="lg-highlight-title lg-highlight-class">InsertMany</span>(documents);</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"\ndocs := []interface{}{\n\tbson.D{\n\t\t{\"item\", \"journal\"},\n\t\t{\"instock\", bson.A{\n\t\t\tbson.D{\n\t\t\t\t{\"warehouse\", \"A\"},\n\t\t\t\t{\"qty\", 5},\n\t\t\t},\n\t\t\tbson.D{\n\t\t\t\t{\"warehouse\", \"C\"},\n\t\t\t\t{\"qty\", 15},\n\t\t\t},\n\t\t}},\n\t},\n\tbson.D{\n\t\t{\"item\", \"notebook\"},\n\t\t{\"instock\", bson.A{\n\t\t\tbson.D{\n\t\t\t\t{\"warehouse\", \"C\"},\n\t\t\t\t{\"qty\", 5},\n\t\t\t},\n\t\t}},\n\t},\n\tbson.D{\n\t\t{\"item\", \"paper\"},\n\t\t{\"instock\", bson.A{\n\t\t\tbson.D{\n\t\t\t\t{\"warehouse\", \"A\"},\n\t\t\t\t{\"qty\", 60},\n\t\t\t},\n\t\t\tbson.D{\n\t\t\t\t{\"warehouse\", \"B\"},\n\t\t\t\t{\"qty\", 15},\n\t\t\t},\n\t\t}},\n\t},\n\tbson.D{\n\t\t{\"item\", \"planner\"},\n\t\t{\"instock\", bson.A{\n\t\t\tbson.D{\n\t\t\t\t{\"warehouse\", \"A\"},\n\t\t\t\t{\"qty\", 40},\n\t\t\t},\n\t\t\tbson.D{\n\t\t\t\t{\"warehouse\", \"B\"},\n\t\t\t\t{\"qty\", 5},\n\t\t\t},\n\t\t}},\n\t},\n\tbson.D{\n\t\t{\"item\", \"postcard\"},\n\t\t{\"instock\", bson.A{\n\t\t\tbson.D{\n\t\t\t\t{\"warehouse\", \"B\"},\n\t\t\t\t{\"qty\", 15},\n\t\t\t},\n\t\t\tbson.D{\n\t\t\t\t{\"warehouse\", \"C\"},\n\t\t\t\t{\"qty\", 35},\n\t\t\t},\n\t\t}},\n\t},\n}\n\nresult, err := coll.InsertMany(context.TODO(), docs)\n","programmingLanguage":"Golang"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">docs <!-- -->:<!-- -->= []interface{}{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bson.<span class="lg-highlight-property">D</span>{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"item"</span>, <span class="lg-highlight-string">"journal"</span>},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"instock"</span>, bson.<span class="lg-highlight-property">A</span>{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bson.<span class="lg-highlight-property">D</span>{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"A"</span>},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">5</span>},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bson.<span class="lg-highlight-property">D</span>{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"C"</span>},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">15</span>},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bson.<span class="lg-highlight-property">D</span>{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"item"</span>, <span class="lg-highlight-string">"notebook"</span>},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"instock"</span>, bson.<span class="lg-highlight-property">A</span>{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bson.<span class="lg-highlight-property">D</span>{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"C"</span>},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">5</span>},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bson.<span class="lg-highlight-property">D</span>{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"item"</span>, <span class="lg-highlight-string">"paper"</span>},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"instock"</span>, bson.<span class="lg-highlight-property">A</span>{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bson.<span class="lg-highlight-property">D</span>{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"A"</span>},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">60</span>},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bson.<span class="lg-highlight-property">D</span>{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"B"</span>},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">15</span>},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bson.<span class="lg-highlight-property">D</span>{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"item"</span>, <span class="lg-highlight-string">"planner"</span>},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"instock"</span>, bson.<span class="lg-highlight-property">A</span>{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bson.<span class="lg-highlight-property">D</span>{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"A"</span>},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">40</span>},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bson.<span class="lg-highlight-property">D</span>{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"B"</span>},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">5</span>},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bson.<span class="lg-highlight-property">D</span>{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"item"</span>, <span class="lg-highlight-string">"postcard"</span>},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"instock"</span>, bson.<span class="lg-highlight-property">A</span>{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bson.<span class="lg-highlight-property">D</span>{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"B"</span>},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">15</span>},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bson.<span class="lg-highlight-property">D</span>{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"C"</span>},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">35</span>},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">result<!-- -->, <!-- -->err := coll.<span class="lg-highlight-title lg-highlight-class">InsertMany</span>(context.<span class="lg-highlight-title lg-highlight-function">TODO</span>(), docs)</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">Publisher</span><<span class="lg-highlight-title lg-highlight-class">Success</span>> insertManyPublisher = collection.<span class="lg-highlight-title lg-highlight-function">insertMany</span>(<span class="lg-highlight-title lg-highlight-function">asList</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Document</span>.<span class="lg-highlight-title lg-highlight-function">parse</span>(<span class="lg-highlight-string">"{ item: 'journal', instock: [ { warehouse: 'A', qty: 5 }, { warehouse: 'C', qty: 15 } ] }"</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Document</span>.<span class="lg-highlight-title lg-highlight-function">parse</span>(<span class="lg-highlight-string">"{ item: 'notebook', instock: [ { warehouse: 'C', qty: 5 } ] }"</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Document</span>.<span class="lg-highlight-title lg-highlight-function">parse</span>(<span class="lg-highlight-string">"{ item: 'paper', instock: [ { warehouse: 'A', qty: 60 }, { warehouse: 'B', qty: 15 } ] }"</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Document</span>.<span class="lg-highlight-title lg-highlight-function">parse</span>(<span class="lg-highlight-string">"{ item: 'planner', instock: [ { warehouse: 'A', qty: 40 }, { warehouse: 'B', qty: 5 } ] }"</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Document</span>.<span class="lg-highlight-title lg-highlight-function">parse</span>(<span class="lg-highlight-string">"{ item: 'postcard', instock: [ { warehouse: 'B', qty: 15 }, { warehouse: 'C', qty: 35 } ] }"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">));</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">collection.<span class="lg-highlight-title lg-highlight-function">insertMany</span>(<span class="lg-highlight-title lg-highlight-function">asList</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Document</span>.<span class="lg-highlight-title lg-highlight-function">parse</span>(<span class="lg-highlight-string">"{ item: 'journal', instock: [ { warehouse: 'A', qty: 5 }, { warehouse: 'C', qty: 15 } ] }"</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Document</span>.<span class="lg-highlight-title lg-highlight-function">parse</span>(<span class="lg-highlight-string">"{ item: 'notebook', instock: [ { warehouse: 'C', qty: 5 } ] }"</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Document</span>.<span class="lg-highlight-title lg-highlight-function">parse</span>(<span class="lg-highlight-string">"{ item: 'paper', instock: [ { warehouse: 'A', qty: 60 }, { warehouse: 'B', qty: 15 } ] }"</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Document</span>.<span class="lg-highlight-title lg-highlight-function">parse</span>(<span class="lg-highlight-string">"{ item: 'planner', instock: [ { warehouse: 'A', qty: 40 }, { warehouse: 'B', qty: 5 } ] }"</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Document</span>.<span class="lg-highlight-title lg-highlight-function">parse</span>(<span class="lg-highlight-string">"{ item: 'postcard', instock: [ { warehouse: 'B', qty: 15 }, { warehouse: 'C', qty: 35 } ] }"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">));</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">collection.<span class="lg-highlight-title lg-highlight-function">insertMany</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">listOf</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Document</span>(<span class="lg-highlight-string">"item"</span>, <span class="lg-highlight-string">"journal"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-title lg-highlight-function">listOf</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Document</span>(<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"A"</span>).<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">5</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Document</span>(<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"C"</span>).<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">15</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> )),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Document</span>(<span class="lg-highlight-string">"item"</span>, <span class="lg-highlight-string">"notebook"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-title lg-highlight-function">listOf</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Document</span>(<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"C"</span>).<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">5</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> )),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Document</span>(<span class="lg-highlight-string">"item"</span>, <span class="lg-highlight-string">"paper"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-title lg-highlight-function">listOf</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Document</span>(<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"A"</span>).<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">60</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Document</span>(<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"B"</span>).<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">15</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> )),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Document</span>(<span class="lg-highlight-string">"item"</span>, <span class="lg-highlight-string">"planner"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-title lg-highlight-function">listOf</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Document</span>(<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"A"</span>).<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">40</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Document</span>(<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"B"</span>).<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">5</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> )),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Document</span>(<span class="lg-highlight-string">"item"</span>, <span class="lg-highlight-string">"postcard"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-title lg-highlight-function">listOf</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Document</span>(<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"B"</span>).<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">15</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Document</span>(<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"C"</span>).<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">35</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> )),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> )</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"># <span class="lg-highlight-title lg-highlight-class">Subdocument</span> key order matters <span class="lg-highlight-keyword">in</span> a few <span class="lg-highlight-keyword">of</span> these examples so we have</td></tr><tr class=""><td class="leafygreen-ui-7razhx"># to use bson.<span class="lg-highlight-property">son</span>.<span class="lg-highlight-property">SON</span> instead <span class="lg-highlight-keyword">of</span> a <span class="lg-highlight-title lg-highlight-class">Python</span> dict.</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">from</span> bson.<span class="lg-highlight-property">son</span> <span class="lg-highlight-keyword">import</span> <span class="lg-highlight-variable lg-highlight-constant">SON</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">await</span> db.<span class="lg-highlight-property">inventory</span>.<span class="lg-highlight-title lg-highlight-function">insert_many</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> [</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"item"</span>: <span class="lg-highlight-string">"journal"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"instock"</span>: [</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">SON</span>([(<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"A"</span>), (<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">5</span>)]),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">SON</span>([(<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"C"</span>), (<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">15</span>)]),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"item"</span>: <span class="lg-highlight-string">"notebook"</span>, <span class="lg-highlight-string">"instock"</span>: [<span class="lg-highlight-title lg-highlight-function">SON</span>([(<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"C"</span>), (<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">5</span>)])]},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"item"</span>: <span class="lg-highlight-string">"paper"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"instock"</span>: [</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">SON</span>([(<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"A"</span>), (<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">60</span>)]),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">SON</span>([(<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"B"</span>), (<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">15</span>)]),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"item"</span>: <span class="lg-highlight-string">"planner"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"instock"</span>: [</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">SON</span>([(<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"A"</span>), (<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">40</span>)]),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">SON</span>([(<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"B"</span>), (<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">5</span>)]),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"item"</span>: <span class="lg-highlight-string">"postcard"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"instock"</span>: [</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">SON</span>([(<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"B"</span>), (<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">15</span>)]),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">SON</span>([(<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"C"</span>), (<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">35</span>)]),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"await db.collection('inventory').insertMany([\n {\n item: 'journal',\n instock: [\n { warehouse: 'A', qty: 5 },\n { warehouse: 'C', qty: 15 }\n ]\n },\n {\n item: 'notebook',\n instock: [{ warehouse: 'C', qty: 5 }]\n },\n {\n item: 'paper',\n instock: [\n { warehouse: 'A', qty: 60 },\n { warehouse: 'B', qty: 15 }\n ]\n },\n {\n item: 'planner',\n instock: [\n { warehouse: 'A', qty: 40 },\n { warehouse: 'B', qty: 5 }\n ]\n },\n {\n item: 'postcard',\n instock: [\n { warehouse: 'B', qty: 15 },\n { warehouse: 'C', qty: 35 }\n ]\n }\n]);","programmingLanguage":"JavaScript"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">await</span> db.<span class="lg-highlight-title lg-highlight-function">collection</span>(<span class="lg-highlight-string">'inventory'</span>).<span class="lg-highlight-title lg-highlight-function">insertMany</span>(<!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">item</span>: <span class="lg-highlight-string">'journal'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">instock</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">warehouse</span>: <span class="lg-highlight-string">'A'</span>, <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">5</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">warehouse</span>: <span class="lg-highlight-string">'C'</span>, <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">15</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">item</span>: <span class="lg-highlight-string">'notebook'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">instock</span>: <!-- -->[<!-- -->{ <span class="lg-highlight-attr">warehouse</span>: <span class="lg-highlight-string">'C'</span>, <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">5</span> }]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">item</span>: <span class="lg-highlight-string">'paper'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">instock</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">warehouse</span>: <span class="lg-highlight-string">'A'</span>, <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">60</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">warehouse</span>: <span class="lg-highlight-string">'B'</span>, <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">15</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">item</span>: <span class="lg-highlight-string">'planner'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">instock</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">warehouse</span>: <span class="lg-highlight-string">'A'</span>, <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">40</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">warehouse</span>: <span class="lg-highlight-string">'B'</span>, <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">5</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">item</span>: <span class="lg-highlight-string">'postcard'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">instock</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">warehouse</span>: <span class="lg-highlight-string">'B'</span>, <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">15</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">warehouse</span>: <span class="lg-highlight-string">'C'</span>, <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">35</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">])<!-- -->;</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"># <span class="lg-highlight-title lg-highlight-class">Subdocument</span> key order matters <span class="lg-highlight-keyword">in</span> <span class="lg-highlight-variable lg-highlight-language">this</span> example so we have</td></tr><tr class=""><td class="leafygreen-ui-7razhx"># to use <span class="lg-highlight-title lg-highlight-class">Tie</span>::<span class="lg-highlight-title lg-highlight-class">IxHash</span> instead <span class="lg-highlight-keyword">of</span> a regular, unordered <span class="lg-highlight-title lg-highlight-class">Perl</span> hash.</td></tr><tr class=""><td class="leafygreen-ui-7razhx">$db<!-- -->-<!-- -->><!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">coll</span>(<span class="lg-highlight-string">"inventory"</span>)<!-- -->-<!-- -->><!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">insert_many</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-params lg-highlight-function">item</span><span class="lg-highlight-function"> =></span> <span class="lg-highlight-string">"journal"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-params lg-highlight-function">instock</span><!-- --><span class="lg-highlight-function"> =></span> [</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><!-- --><span class="lg-highlight-title lg-highlight-class">Tie</span>:<!-- -->:<!-- --><!-- --><span class="lg-highlight-title lg-highlight-class">IxHash</span>-<!-- -->><!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">new</span>( <span class="lg-highlight-params lg-highlight-function">warehouse</span><span class="lg-highlight-function"> =></span> <span class="lg-highlight-string">"A"</span>, <span class="lg-highlight-params lg-highlight-function">qty</span><span class="lg-highlight-function"> =></span> <!-- --><span class="lg-highlight-number">5</span> ),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><!-- --><span class="lg-highlight-title lg-highlight-class">Tie</span>:<!-- -->:<!-- --><!-- --><span class="lg-highlight-title lg-highlight-class">IxHash</span>-<!-- -->><!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">new</span>( <span class="lg-highlight-params lg-highlight-function">warehouse</span><span class="lg-highlight-function"> =></span> <span class="lg-highlight-string">"C"</span>, <span class="lg-highlight-params lg-highlight-function">qty</span><span class="lg-highlight-function"> =></span> <span class="lg-highlight-number">15</span> )</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-params lg-highlight-function">item</span><span class="lg-highlight-function"> =></span> <span class="lg-highlight-string">"notebook"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-params lg-highlight-function">instock</span><!-- --><span class="lg-highlight-function"> =></span> <!-- -->[ <!-- --><!-- --><span class="lg-highlight-title lg-highlight-class">Tie</span>:<!-- -->:<!-- --><!-- --><span class="lg-highlight-title lg-highlight-class">IxHash</span>-<!-- -->><!-- --><span class="lg-highlight-title lg-highlight-function">new</span>( <span class="lg-highlight-params lg-highlight-function">warehouse</span><span class="lg-highlight-function"> =></span> <span class="lg-highlight-string">"C"</span>, <span class="lg-highlight-params lg-highlight-function">qty</span><span class="lg-highlight-function"> =></span> <span class="lg-highlight-number">5</span> ) ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-params lg-highlight-function">item</span><span class="lg-highlight-function"> =></span> <span class="lg-highlight-string">"paper"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-params lg-highlight-function">instock</span><!-- --><span class="lg-highlight-function"> =></span> [</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><!-- --><span class="lg-highlight-title lg-highlight-class">Tie</span>:<!-- -->:<!-- --><!-- --><span class="lg-highlight-title lg-highlight-class">IxHash</span>-<!-- -->><!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">new</span>( <span class="lg-highlight-params lg-highlight-function">warehouse</span><span class="lg-highlight-function"> =></span> <span class="lg-highlight-string">"A"</span>, <span class="lg-highlight-params lg-highlight-function">qty</span><span class="lg-highlight-function"> =></span> <!-- --><span class="lg-highlight-number">60</span> ),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><!-- --><span class="lg-highlight-title lg-highlight-class">Tie</span>:<!-- -->:<!-- --><!-- --><span class="lg-highlight-title lg-highlight-class">IxHash</span>-<!-- -->><!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">new</span>( <span class="lg-highlight-params lg-highlight-function">warehouse</span><span class="lg-highlight-function"> =></span> <span class="lg-highlight-string">"B"</span>, <span class="lg-highlight-params lg-highlight-function">qty</span><span class="lg-highlight-function"> =></span> <span class="lg-highlight-number">15</span> )</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-params lg-highlight-function">item</span><span class="lg-highlight-function"> =></span> <span class="lg-highlight-string">"planner"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-params lg-highlight-function">instock</span><!-- --><span class="lg-highlight-function"> =></span> [</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><!-- --><span class="lg-highlight-title lg-highlight-class">Tie</span>:<!-- -->:<!-- --><!-- --><span class="lg-highlight-title lg-highlight-class">IxHash</span>-<!-- -->><!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">new</span>( <span class="lg-highlight-params lg-highlight-function">warehouse</span><span class="lg-highlight-function"> =></span> <span class="lg-highlight-string">"A"</span>, <span class="lg-highlight-params lg-highlight-function">qty</span><span class="lg-highlight-function"> =></span> <!-- --><span class="lg-highlight-number">40</span> ),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><!-- --><span class="lg-highlight-title lg-highlight-class">Tie</span>:<!-- -->:<!-- --><!-- --><span class="lg-highlight-title lg-highlight-class">IxHash</span>-<!-- -->><!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">new</span>( <span class="lg-highlight-params lg-highlight-function">warehouse</span><span class="lg-highlight-function"> =></span> <span class="lg-highlight-string">"B"</span>, <span class="lg-highlight-params lg-highlight-function">qty</span><span class="lg-highlight-function"> =></span> <span class="lg-highlight-number">5</span> )</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-params lg-highlight-function">item</span><span class="lg-highlight-function"> =></span> <span class="lg-highlight-string">"postcard"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-params lg-highlight-function">instock</span><!-- --><span class="lg-highlight-function"> =></span> [</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><!-- --><span class="lg-highlight-title lg-highlight-class">Tie</span>:<!-- -->:<!-- --><!-- --><span class="lg-highlight-title lg-highlight-class">IxHash</span>-<!-- -->><!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">new</span>( <span class="lg-highlight-params lg-highlight-function">warehouse</span><span class="lg-highlight-function"> =></span> <span class="lg-highlight-string">"B"</span>, <span class="lg-highlight-params lg-highlight-function">qty</span><span class="lg-highlight-function"> =></span> <!-- --><span class="lg-highlight-number">15</span> ),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><!-- --><span class="lg-highlight-title lg-highlight-class">Tie</span>:<!-- -->:<!-- --><!-- --><span class="lg-highlight-title lg-highlight-class">IxHash</span>-<!-- -->><!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">new</span>( <span class="lg-highlight-params lg-highlight-function">warehouse</span><span class="lg-highlight-function"> =></span> <span class="lg-highlight-string">"C"</span>, <span class="lg-highlight-params lg-highlight-function">qty</span><span class="lg-highlight-function"> =></span> <span class="lg-highlight-number">35</span> )</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)<!-- -->;</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">$insertManyResult = $db->inventory-><span class="lg-highlight-title lg-highlight-function">insertMany</span>([</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> [</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">'item'</span> => <span class="lg-highlight-string">'journal'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">'instock'</span> => [</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> [<span class="lg-highlight-string">'warehouse'</span> => <span class="lg-highlight-string">'A'</span>, <span class="lg-highlight-string">'qty'</span> => <span class="lg-highlight-number">5</span>],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> [<span class="lg-highlight-string">'warehouse'</span> => <span class="lg-highlight-string">'C'</span>, <span class="lg-highlight-string">'qty'</span> => <span class="lg-highlight-number">15</span>],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> [</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">'item'</span> => <span class="lg-highlight-string">'notebook'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">'instock'</span> => [</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> [<span class="lg-highlight-string">'warehouse'</span> => <span class="lg-highlight-string">'C'</span>, <span class="lg-highlight-string">'qty'</span> => <span class="lg-highlight-number">5</span>],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> [</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">'item'</span> => <span class="lg-highlight-string">'paper'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">'instock'</span> => [</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> [<span class="lg-highlight-string">'warehouse'</span> => <span class="lg-highlight-string">'A'</span>, <span class="lg-highlight-string">'qty'</span> => <span class="lg-highlight-number">60</span>],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> [<span class="lg-highlight-string">'warehouse'</span> => <span class="lg-highlight-string">'B'</span>, <span class="lg-highlight-string">'qty'</span> => <span class="lg-highlight-number">15</span>],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> [</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">'item'</span> => <span class="lg-highlight-string">'planner'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">'instock'</span> => [</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> [<span class="lg-highlight-string">'warehouse'</span> => <span class="lg-highlight-string">'A'</span>, <span class="lg-highlight-string">'qty'</span> => <span class="lg-highlight-number">40</span>],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> [<span class="lg-highlight-string">'warehouse'</span> => <span class="lg-highlight-string">'B'</span>, <span class="lg-highlight-string">'qty'</span> => <span class="lg-highlight-number">5</span>],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> [</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">'item'</span> => <span class="lg-highlight-string">'postcard'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">'instock'</span> => [</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> [<span class="lg-highlight-string">'warehouse'</span> => <span class="lg-highlight-string">'B'</span>, <span class="lg-highlight-string">'qty'</span> => <span class="lg-highlight-number">15</span>],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> [<span class="lg-highlight-string">'warehouse'</span> => <span class="lg-highlight-string">'C'</span>, <span class="lg-highlight-string">'qty'</span> => <span class="lg-highlight-number">35</span>],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ],</td></tr><tr class=""><td class="leafygreen-ui-7razhx">])<!-- -->;</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"># <span class="lg-highlight-title lg-highlight-class">Subdocument</span> key order matters <span class="lg-highlight-keyword">in</span> a few <span class="lg-highlight-keyword">of</span> these examples so we have</td></tr><tr class=""><td class="leafygreen-ui-7razhx"># to use bson.<span class="lg-highlight-property">son</span>.<span class="lg-highlight-property">SON</span> instead <span class="lg-highlight-keyword">of</span> a <span class="lg-highlight-title lg-highlight-class">Python</span> dict.</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">from</span> bson.<span class="lg-highlight-property">son</span> <span class="lg-highlight-keyword">import</span> <span class="lg-highlight-variable lg-highlight-constant">SON</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">inventory</span>.<span class="lg-highlight-title lg-highlight-function">insert_many</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> [</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"item"</span>: <span class="lg-highlight-string">"journal"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"instock"</span>: [</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">SON</span>([(<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"A"</span>), (<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">5</span>)]),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">SON</span>([(<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"C"</span>), (<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">15</span>)]),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"item"</span>: <span class="lg-highlight-string">"notebook"</span>, <span class="lg-highlight-string">"instock"</span>: [<span class="lg-highlight-title lg-highlight-function">SON</span>([(<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"C"</span>), (<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">5</span>)])]},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"item"</span>: <span class="lg-highlight-string">"paper"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"instock"</span>: [</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">SON</span>([(<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"A"</span>), (<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">60</span>)]),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">SON</span>([(<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"B"</span>), (<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">15</span>)]),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"item"</span>: <span class="lg-highlight-string">"planner"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"instock"</span>: [</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">SON</span>([(<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"A"</span>), (<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">40</span>)]),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">SON</span>([(<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"B"</span>), (<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">5</span>)]),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"item"</span>: <span class="lg-highlight-string">"postcard"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"instock"</span>: [</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">SON</span>([(<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"B"</span>), (<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">15</span>)]),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">SON</span>([(<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"C"</span>), (<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">35</span>)]),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">client<!-- -->[<!-- -->:inventory].<span class="lg-highlight-title lg-highlight-function">insert_many</span>(<!-- -->[<!-- -->{ <span class="lg-highlight-attr">item</span>: <span class="lg-highlight-string">'journal'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">instock</span>: <!-- -->[ <!-- -->{ <span class="lg-highlight-attr">warehouse</span>: <span class="lg-highlight-string">'A'</span>, <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">5</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">warehouse</span>: <span class="lg-highlight-string">'C'</span>, <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">15</span> }] }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">item</span>: <span class="lg-highlight-string">'notebook'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">instock</span>: <!-- -->[ <!-- -->{ <span class="lg-highlight-attr">warehouse</span>: <span class="lg-highlight-string">'C'</span>, <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">5</span> }] }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">item</span>: <span class="lg-highlight-string">'paper'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">instock</span>: <!-- -->[ <!-- -->{ <span class="lg-highlight-attr">warehouse</span>: <span class="lg-highlight-string">'A'</span>, <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">60</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">warehouse</span>: <span class="lg-highlight-string">'B'</span>, <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">15</span> }] }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">item</span>: <span class="lg-highlight-string">'planner'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">instock</span>: <!-- -->[ <!-- -->{ <span class="lg-highlight-attr">warehouse</span>: <span class="lg-highlight-string">'A'</span>, <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">40</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">warehouse</span>: <span class="lg-highlight-string">'B'</span>, <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">5</span> }] }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">item</span>: <span class="lg-highlight-string">'postcard'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">instock</span>: <!-- -->[ <!-- -->{ <span class="lg-highlight-attr">warehouse</span>: <span class="lg-highlight-string">'B'</span>, <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">15</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">warehouse</span>: <span class="lg-highlight-string">'C'</span>, <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">35</span> }] }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ])</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">collection.<span class="lg-highlight-title lg-highlight-function">insertMany</span>(<span class="lg-highlight-title lg-highlight-class">Seq</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Document</span>(<span class="lg-highlight-string">""</span><span class="lg-highlight-string">"{ item: "</span>journal<span class="lg-highlight-string">", instock: [ { warehouse: "</span>A<span class="lg-highlight-string">", qty: 5 }, { warehouse: "</span>C<span class="lg-highlight-string">", qty: 15 } ] }"</span><span class="lg-highlight-string">""</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Document</span>(<span class="lg-highlight-string">""</span><span class="lg-highlight-string">"{ item: "</span>notebook<span class="lg-highlight-string">", instock: [ { warehouse: "</span>C<span class="lg-highlight-string">", qty: 5 } ] }"</span><span class="lg-highlight-string">""</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Document</span>(<span class="lg-highlight-string">""</span><span class="lg-highlight-string">"{ item: "</span>paper<span class="lg-highlight-string">", instock: [ { warehouse: "</span>A<span class="lg-highlight-string">", qty: 60 }, { warehouse: "</span>B<span class="lg-highlight-string">", qty: 15 } ] }"</span><span class="lg-highlight-string">""</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Document</span>(<span class="lg-highlight-string">""</span><span class="lg-highlight-string">"{ item: "</span>planner<span class="lg-highlight-string">", instock: [ { warehouse: "</span>A<span class="lg-highlight-string">", qty: 40 }, { warehouse: "</span>B<span class="lg-highlight-string">", qty: 5 } ] }"</span><span class="lg-highlight-string">""</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Document</span>(<span class="lg-highlight-string">""</span><span class="lg-highlight-string">"{ item: "</span>postcard<span class="lg-highlight-string">", instock: [ { warehouse: "</span>B<span class="lg-highlight-string">", qty: 15 }, { warehouse: "</span>C<span class="lg-highlight-string">", qty: 35 } ] }"</span><span class="lg-highlight-string">""</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)).<span class="lg-highlight-title lg-highlight-function">execute</span>()</td></tr></tbody></table></code></pre>
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<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Query for a Document Nested in an Array
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</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The following example selects all documents where an element in the
<code class="leafygreen-ui-1l06pbn">
instock
</code>
array matches the specified document:
</p>
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</div>
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MongoDB Shell
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C#
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Go
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Java (Sync)
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Kotlin (Coroutine)
</div>
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Motor
</div>
</button>
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Node.js
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Perl
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PHP
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Python
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Ruby
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Scala
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<div class="leafygreen-ui-1kdmo88">
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.inventory.find( { \"instock\": { warehouse: \"A\", qty: 5 } } )","programmingLanguage":"JavaScript"}
</script>
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<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-9lvdmr">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">inventory</span>.<span class="lg-highlight-title lg-highlight-function">find</span>( <!-- -->{ <span class="lg-highlight-string">"instock"</span>: <!-- -->{ <span class="lg-highlight-attr">warehouse</span>: <span class="lg-highlight-string">"A"</span>, <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">5</span> } } )</td></tr></tbody></table></code></pre>
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Node.js
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Find
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:
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"instock"</span>: <!-- -->{ <span class="lg-highlight-attr">warehouse</span>: <span class="lg-highlight-string">"A"</span>, <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">5</span> } }</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongoc_collection_t *collection;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">bson_t *filter;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">mongoc_cursor_t *cursor;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">collection <!-- -->= <!-- -->mongoc_database_get_collection (db<!-- -->, <span class="lg-highlight-string">"inventory"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">filter <!-- -->= <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_NEW</span> (</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-string">"{"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"warehouse"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_UTF8</span> (<!-- --><span class="lg-highlight-string">"A"</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"qty"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_INT64</span> (<!-- --><span class="lg-highlight-number">5</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"}"</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">cursor <!-- -->= <!-- -->mongoc_collection_find_with_opts (collection, filter<!-- -->, <span class="lg-highlight-variable lg-highlight-constant">NULL</span>, <span class="lg-highlight-variable lg-highlight-constant">NULL</span>);</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> filter = <span class="lg-highlight-title lg-highlight-class">Builders</span><<span class="lg-highlight-title lg-highlight-class">BsonDocument</span>>.<span class="lg-highlight-property">Filter</span>.<span class="lg-highlight-title lg-highlight-class">AnyEq</span>(<span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span> { { <span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"A"</span> }, { <span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">5</span> } });</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> result = collection.<span class="lg-highlight-title lg-highlight-class">Find</span>(filter).<span class="lg-highlight-title lg-highlight-class">ToList</span>();</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">FindPublisher</span><<span class="lg-highlight-title lg-highlight-class">Document</span>> findPublisher = collection.<span class="lg-highlight-title lg-highlight-function">find</span>(<span class="lg-highlight-title lg-highlight-function">eq</span>(<span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-title lg-highlight-class">Document</span>.<span class="lg-highlight-title lg-highlight-function">parse</span>(<span class="lg-highlight-string">"{ warehouse: 'A', qty: 5 }"</span>)));</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">FindIterable</span><<span class="lg-highlight-title lg-highlight-class">Document</span>> findIterable = collection.<span class="lg-highlight-title lg-highlight-function">find</span>(<span class="lg-highlight-title lg-highlight-function">eq</span>(<span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-title lg-highlight-class">Document</span>.<span class="lg-highlight-title lg-highlight-function">parse</span>(<span class="lg-highlight-string">"{ warehouse: 'A', qty: 5 }"</span>)));</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"val findFlow = collection\n .find(eq(\"instock\", Document.parse(\"{ warehouse: 'A', qty: 5 }\")))","programmingLanguage":"Kotlin"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">val findFlow = collection</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">find</span>(<span class="lg-highlight-title lg-highlight-function">eq</span>(<span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-title lg-highlight-class">Document</span>.<span class="lg-highlight-title lg-highlight-function">parse</span>(<span class="lg-highlight-string">"{ warehouse: 'A', qty: 5 }"</span>)))</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">cursor = db.<span class="lg-highlight-property">inventory</span>.<span class="lg-highlight-title lg-highlight-function">find</span>({<span class="lg-highlight-string">"instock"</span>: <span class="lg-highlight-title lg-highlight-function">SON</span>([(<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"A"</span>), (<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">5</span>)])})</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">const</span> cursor <!-- -->= <!-- -->db.<span class="lg-highlight-title lg-highlight-function">collection</span>(<span class="lg-highlight-string">'inventory'</span>).<span class="lg-highlight-title lg-highlight-function">find</span>(<!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">instock</span>: <!-- -->{ <span class="lg-highlight-attr">warehouse</span>: <span class="lg-highlight-string">'A'</span>, <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">5</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">})<!-- -->;</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"># <span class="lg-highlight-title lg-highlight-class">Subdocument</span> key order matters <span class="lg-highlight-keyword">in</span> <span class="lg-highlight-variable lg-highlight-language">this</span> example so we have</td></tr><tr class=""><td class="leafygreen-ui-7razhx"># to use <span class="lg-highlight-title lg-highlight-class">Tie</span>::<span class="lg-highlight-title lg-highlight-class">IxHash</span> instead <span class="lg-highlight-keyword">of</span> a regular, unordered <span class="lg-highlight-title lg-highlight-class">Perl</span> hash.</td></tr><tr class=""><td class="leafygreen-ui-7razhx">$cursor<!-- --> <!-- -->= <!-- -->$db<!-- -->-<!-- -->><!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">coll</span>(<span class="lg-highlight-string">"inventory"</span>)<!-- -->-<!-- -->><!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">find</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-params lg-highlight-function">instock</span><!-- --><span class="lg-highlight-function"> =></span> <!-- --><!-- --><span class="lg-highlight-title lg-highlight-class">Tie</span>:<!-- -->:<!-- --><!-- --><span class="lg-highlight-title lg-highlight-class">IxHash</span>-<!-- -->><span class="lg-highlight-title lg-highlight-function">new</span>( <span class="lg-highlight-params lg-highlight-function">warehouse</span><span class="lg-highlight-function"> =></span> <span class="lg-highlight-string">"A"</span>, <span class="lg-highlight-params lg-highlight-function">qty</span><span class="lg-highlight-function"> =></span> <span class="lg-highlight-number">5</span> ) }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)<!-- -->;</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">$cursor = $db->inventory-><span class="lg-highlight-title lg-highlight-function">find</span>([<span class="lg-highlight-string">'instock'</span> => <!-- -->[<span class="lg-highlight-string">'warehouse'</span> => <span class="lg-highlight-string">'A'</span>, <span class="lg-highlight-string">'qty'</span> => <span class="lg-highlight-number">5</span>]]);</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"cursor = db.inventory.find({\"instock\": SON([(\"warehouse\", \"A\"), (\"qty\", 5)])})","programmingLanguage":"Python"}
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">cursor = db.<span class="lg-highlight-property">inventory</span>.<span class="lg-highlight-title lg-highlight-function">find</span>({<span class="lg-highlight-string">"instock"</span>: <span class="lg-highlight-title lg-highlight-function">SON</span>([(<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"A"</span>), (<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">5</span>)])})</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">client<!-- -->[<!-- -->:inventory].<span class="lg-highlight-title lg-highlight-function">find</span>(<span class="lg-highlight-attr">instock</span>: <!-- -->{ <span class="lg-highlight-attr">warehouse</span>: <span class="lg-highlight-string">'A'</span>, <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">5</span> })</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"var findObservable = collection.find(equal(\"instock\", Document(\"warehouse\" -> \"A\", \"qty\" -> 5)))","programmingLanguage":"Scala"}
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> findObservable = collection.<span class="lg-highlight-title lg-highlight-function">find</span>(<span class="lg-highlight-title lg-highlight-function">equal</span>(<span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-title lg-highlight-class">Document</span>(<span class="lg-highlight-string">"warehouse"</span> -> <span class="lg-highlight-string">"A"</span>, <span class="lg-highlight-string">"qty"</span> -> <span class="lg-highlight-number">5</span>)))</td></tr></tbody></table></code></pre>
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example, the following query does not match any documents in the
<code class="leafygreen-ui-1l06pbn">
inventory
</code>
collection:
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.inventory.find( { \"instock\": { qty: 5, warehouse: \"A\" } } )","programmingLanguage":"JavaScript"}
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">inventory</span>.<span class="lg-highlight-title lg-highlight-function">find</span>( <!-- -->{ <span class="lg-highlight-string">"instock"</span>: <!-- -->{ <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">5</span>, <span class="lg-highlight-attr">warehouse</span>: <span class="lg-highlight-string">"A"</span> } } )</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongoc_collection_t *collection;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">bson_t *filter;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">mongoc_cursor_t *cursor;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">collection <!-- -->= <!-- -->mongoc_database_get_collection (db<!-- -->, <span class="lg-highlight-string">"inventory"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">filter <!-- -->= <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_NEW</span> (</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-string">"{"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"qty"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_INT64</span> (<!-- --><span class="lg-highlight-number">5</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"warehouse"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_UTF8</span> (<!-- --><span class="lg-highlight-string">"A"</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"}"</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">cursor <!-- -->= <!-- -->mongoc_collection_find_with_opts (collection, filter<!-- -->, <span class="lg-highlight-variable lg-highlight-constant">NULL</span>, <span class="lg-highlight-variable lg-highlight-constant">NULL</span>);</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> filter = <span class="lg-highlight-title lg-highlight-class">Builders</span><<span class="lg-highlight-title lg-highlight-class">BsonDocument</span>>.<span class="lg-highlight-property">Filter</span>.<span class="lg-highlight-title lg-highlight-class">AnyEq</span>(<span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span> { { <span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">5</span> }, { <span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"A"</span> } });</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> result = collection.<span class="lg-highlight-title lg-highlight-class">Find</span>(filter).<span class="lg-highlight-title lg-highlight-class">ToList</span>();</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">findPublisher = collection.<span class="lg-highlight-title lg-highlight-function">find</span>(<span class="lg-highlight-title lg-highlight-function">eq</span>(<span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-title lg-highlight-class">Document</span>.<span class="lg-highlight-title lg-highlight-function">parse</span>(<span class="lg-highlight-string">"{ qty: 5, warehouse: 'A' }"</span>)));</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"findIterable = collection.find(eq(\"instock\", Document.parse(\"{ qty: 5, warehouse: 'A' }\")));","programmingLanguage":"Java"}
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">findIterable = collection.<span class="lg-highlight-title lg-highlight-function">find</span>(<span class="lg-highlight-title lg-highlight-function">eq</span>(<span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-title lg-highlight-class">Document</span>.<span class="lg-highlight-title lg-highlight-function">parse</span>(<span class="lg-highlight-string">"{ qty: 5, warehouse: 'A' }"</span>)));</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"val findFlow = collection\n .find(eq(\"instock\", Document.parse(\"{ qty: 5, warehouse: 'A' }\")))","programmingLanguage":"Kotlin"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">val findFlow = collection</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">find</span>(<span class="lg-highlight-title lg-highlight-function">eq</span>(<span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-title lg-highlight-class">Document</span>.<span class="lg-highlight-title lg-highlight-function">parse</span>(<span class="lg-highlight-string">"{ qty: 5, warehouse: 'A' }"</span>)))</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">const</span> cursor <!-- -->= <!-- -->db.<span class="lg-highlight-title lg-highlight-function">collection</span>(<span class="lg-highlight-string">'inventory'</span>).<span class="lg-highlight-title lg-highlight-function">find</span>(<!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">instock</span>: <!-- -->{ <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">5</span>, <span class="lg-highlight-attr">warehouse</span>: <span class="lg-highlight-string">'A'</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">})<!-- -->;</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"># <span class="lg-highlight-title lg-highlight-class">Subdocument</span> key order matters <span class="lg-highlight-keyword">in</span> <span class="lg-highlight-variable lg-highlight-language">this</span> example so we have</td></tr><tr class=""><td class="leafygreen-ui-7razhx"># to use <span class="lg-highlight-title lg-highlight-class">Tie</span>::<span class="lg-highlight-title lg-highlight-class">IxHash</span> instead <span class="lg-highlight-keyword">of</span> a regular, unordered <span class="lg-highlight-title lg-highlight-class">Perl</span> hash.</td></tr><tr class=""><td class="leafygreen-ui-7razhx">$cursor<!-- --> <!-- -->= <!-- -->$db<!-- -->-<!-- -->><!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">coll</span>(<span class="lg-highlight-string">"inventory"</span>)<!-- -->-<!-- -->><!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">find</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-params lg-highlight-function">instock</span><!-- --><span class="lg-highlight-function"> =></span> <!-- --><!-- --><span class="lg-highlight-title lg-highlight-class">Tie</span>:<!-- -->:<!-- --><!-- --><span class="lg-highlight-title lg-highlight-class">IxHash</span>-<!-- -->><span class="lg-highlight-title lg-highlight-function">new</span>( <span class="lg-highlight-params lg-highlight-function">qty</span><span class="lg-highlight-function"> =></span> <span class="lg-highlight-number">5</span>, <span class="lg-highlight-params lg-highlight-function">warehouse</span><span class="lg-highlight-function"> =></span> <span class="lg-highlight-string">"A"</span> ) }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)<!-- -->;</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"cursor = db.inventory.find({\"instock\": SON([(\"qty\", 5), (\"warehouse\", \"A\")])})","programmingLanguage":"Python"}
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">cursor = db.<span class="lg-highlight-property">inventory</span>.<span class="lg-highlight-title lg-highlight-function">find</span>({<span class="lg-highlight-string">"instock"</span>: <span class="lg-highlight-title lg-highlight-function">SON</span>([(<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">5</span>), (<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"A"</span>)])})</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">client<!-- -->[<!-- -->:inventory].<span class="lg-highlight-title lg-highlight-function">find</span>(<span class="lg-highlight-attr">instock</span>: <!-- -->{ <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">5</span>, <span class="lg-highlight-attr">warehouse</span>: <span class="lg-highlight-string">'A'</span> } )</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"findObservable = collection.find(equal(\"instock\", Document(\"qty\" -> 5, \"warehouse\" -> \"A\")))","programmingLanguage":"Scala"}
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">findObservable = collection.<span class="lg-highlight-title lg-highlight-function">find</span>(<span class="lg-highlight-title lg-highlight-function">equal</span>(<span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-title lg-highlight-class">Document</span>(<span class="lg-highlight-string">"qty"</span> -> <span class="lg-highlight-number">5</span>, <span class="lg-highlight-string">"warehouse"</span> -> <span class="lg-highlight-string">"A"</span>)))</td></tr></tbody></table></code></pre>
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<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Specify a Query Condition on a Field in an Array of Documents
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</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Specify a Query Condition on a Field Embedded in an Array of Documents
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</h3>
<p class="leafygreen-ui-1kp3ins">
If you do not know the index position of the document nested in the
array, concatenate the name of the array field, with a dot (
<code class="leafygreen-ui-1l06pbn">
.
</code>
) and
the name of the field in the nested document.
</p>
<p class="leafygreen-ui-1kp3ins">
The following example selects all documents where the
<code class="leafygreen-ui-1l06pbn">
instock
</code>
array
has at least one embedded document that contains the field
<code class="leafygreen-ui-1l06pbn">
qty
</code>
whose value is less than or equal to
<code class="leafygreen-ui-1l06pbn">
20
</code>
:
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<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.inventory.find( { 'instock.qty': { $lte: 20 } } )","programmingLanguage":"JavaScript"}
</script>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">inventory</span>.<span class="lg-highlight-title lg-highlight-function">find</span>( <!-- -->{ <span class="lg-highlight-string">'instock.qty'</span>: <!-- -->{ <span class="lg-highlight-attr">$lte</span>: <span class="lg-highlight-number">20</span> } } )</td></tr></tbody></table></code></pre>
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Node.js
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Find
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:
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ 'instock.qty': { $lte: 20 } }","programmingLanguage":"JavaScript"}
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">'instock.qty'</span>: <!-- -->{ <span class="lg-highlight-attr">$lte</span>: <span class="lg-highlight-number">20</span> } }</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongoc_collection_t *collection;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">bson_t *filter;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">mongoc_cursor_t *cursor;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">collection <!-- -->= <!-- -->mongoc_database_get_collection (db<!-- -->, <span class="lg-highlight-string">"inventory"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">filter <!-- -->= <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_NEW</span> (</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"instock.qty"</span>, <span class="lg-highlight-string">"{"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"$lte"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_INT64</span> (<!-- --><span class="lg-highlight-number">20</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"}"</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">cursor <!-- -->= <!-- -->mongoc_collection_find_with_opts (collection, filter<!-- -->, <span class="lg-highlight-variable lg-highlight-constant">NULL</span>, <span class="lg-highlight-variable lg-highlight-constant">NULL</span>);</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> filter = <span class="lg-highlight-title lg-highlight-class">Builders</span><<span class="lg-highlight-title lg-highlight-class">BsonDocument</span>>.<span class="lg-highlight-property">Filter</span>.<span class="lg-highlight-title lg-highlight-class">Lte</span>(<span class="lg-highlight-string">"instock.qty"</span>, <span class="lg-highlight-number">20</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> result = collection.<span class="lg-highlight-title lg-highlight-class">Find</span>(filter).<span class="lg-highlight-title lg-highlight-class">ToList</span>();</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">findIterable = collection.<span class="lg-highlight-title lg-highlight-function">find</span>(<span class="lg-highlight-title lg-highlight-function">lte</span>(<span class="lg-highlight-string">"instock.qty"</span>, <span class="lg-highlight-number">20</span>));</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">val findFlow = collection</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">find</span>(<span class="lg-highlight-title lg-highlight-function">lte</span>(<span class="lg-highlight-string">"instock.qty"</span>, <span class="lg-highlight-number">20</span>))</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">cursor = db.<span class="lg-highlight-property">inventory</span>.<span class="lg-highlight-title lg-highlight-function">find</span>({<span class="lg-highlight-string">"instock.qty"</span>: {<span class="lg-highlight-string">"$lte"</span>: <span class="lg-highlight-number">20</span>}})</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">const</span> cursor <!-- -->= <!-- -->db.<span class="lg-highlight-title lg-highlight-function">collection</span>(<span class="lg-highlight-string">'inventory'</span>).<span class="lg-highlight-title lg-highlight-function">find</span>(<!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">'instock.qty'</span>: <!-- -->{ <span class="lg-highlight-attr">$lte</span>: <span class="lg-highlight-number">20</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">})<!-- -->;</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">cursor = db.<span class="lg-highlight-property">inventory</span>.<span class="lg-highlight-title lg-highlight-function">find</span>({<span class="lg-highlight-string">"instock.qty"</span>: {<span class="lg-highlight-string">"$lte"</span>: <span class="lg-highlight-number">20</span>}})</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">client<!-- -->[<!-- -->:inventory].<span class="lg-highlight-title lg-highlight-function">find</span>(<span class="lg-highlight-string">'instock.qty'</span> <!-- -->=<!-- -->> <!-- -->{ <span class="lg-highlight-string">'$lte'</span> <!-- -->=<!-- -->> <span class="lg-highlight-number">20</span> })</td></tr></tbody></table></code></pre>
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<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Use the Array Index to Query for a Field in the Embedded Document
<a class="headerlink leafygreen-ui-1kepx47" href="#use-the-array-index-to-query-for-a-field-in-the-embedded-document" title="Permalink to this heading">
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</h3>
<p class="leafygreen-ui-1kp3ins">
Using
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-dot-notation">
dot notation
</a>
, you can specify query conditions for
field in a document at a particular index or position of the array. The
array uses zero-based indexing.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
When querying using dot notation, the field and index must be
inside quotation marks.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The following example selects all documents where the
<code class="leafygreen-ui-1l06pbn">
instock
</code>
array
has as its first element a document that contains the field
<code class="leafygreen-ui-1l06pbn">
qty
</code>
whose value is less than or equal to
<code class="leafygreen-ui-1l06pbn">
20
</code>
:
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<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.inventory.find( { 'instock.0.qty': { $lte: 20 } } )","programmingLanguage":"JavaScript"}
</script>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">inventory</span>.<span class="lg-highlight-title lg-highlight-function">find</span>( <!-- -->{ <span class="lg-highlight-string">'instock.0.qty'</span>: <!-- -->{ <span class="lg-highlight-attr">$lte</span>: <span class="lg-highlight-number">20</span> } } )</td></tr></tbody></table></code></pre>
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Node.js
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Find
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:
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ 'instock.0.qty': { $lte: 20 } }","programmingLanguage":"JavaScript"}
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">'instock.0.qty'</span>: <!-- -->{ <span class="lg-highlight-attr">$lte</span>: <span class="lg-highlight-number">20</span> } }</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongoc_collection_t *collection;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">bson_t *filter;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">mongoc_cursor_t *cursor;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">collection <!-- -->= <!-- -->mongoc_database_get_collection (db<!-- -->, <span class="lg-highlight-string">"inventory"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">filter <!-- -->= <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_NEW</span> (</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"instock.0.qty"</span>, <span class="lg-highlight-string">"{"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"$lte"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_INT64</span> (<!-- --><span class="lg-highlight-number">20</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"}"</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">cursor <!-- -->= <!-- -->mongoc_collection_find_with_opts (collection, filter<!-- -->, <span class="lg-highlight-variable lg-highlight-constant">NULL</span>, <span class="lg-highlight-variable lg-highlight-constant">NULL</span>);</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> filter = <span class="lg-highlight-title lg-highlight-class">Builders</span><<span class="lg-highlight-title lg-highlight-class">BsonDocument</span>>.<span class="lg-highlight-property">Filter</span>.<span class="lg-highlight-title lg-highlight-class">Lte</span>(<span class="lg-highlight-string">"instock.0.qty"</span>, <span class="lg-highlight-number">20</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> result = collection.<span class="lg-highlight-title lg-highlight-class">Find</span>(filter).<span class="lg-highlight-title lg-highlight-class">ToList</span>();</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">findIterable = collection.<span class="lg-highlight-title lg-highlight-function">find</span>(<span class="lg-highlight-title lg-highlight-function">lte</span>(<span class="lg-highlight-string">"instock.0.qty"</span>, <span class="lg-highlight-number">20</span>));</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">val findFlow = collection</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">find</span>(<span class="lg-highlight-title lg-highlight-function">lte</span>(<span class="lg-highlight-string">"instock.0.qty"</span>, <span class="lg-highlight-number">20</span>))</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">const</span> cursor <!-- -->= <!-- -->db.<span class="lg-highlight-title lg-highlight-function">collection</span>(<span class="lg-highlight-string">'inventory'</span>).<span class="lg-highlight-title lg-highlight-function">find</span>(<!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">'instock.0.qty'</span>: <!-- -->{ <span class="lg-highlight-attr">$lte</span>: <span class="lg-highlight-number">20</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">})<!-- -->;</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">$cursor = $db->inventory-><span class="lg-highlight-title lg-highlight-function">find</span>([<!-- --><span class="lg-highlight-string">'instock.0.qty'</span> => [<span class="lg-highlight-string">'$lte'</span> => <span class="lg-highlight-number">20</span>]]);</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">cursor = db.<span class="lg-highlight-property">inventory</span>.<span class="lg-highlight-title lg-highlight-function">find</span>({<span class="lg-highlight-string">"instock.0.qty"</span>: {<span class="lg-highlight-string">"$lte"</span>: <span class="lg-highlight-number">20</span>}})</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">client<!-- -->[<!-- -->:inventory].<span class="lg-highlight-title lg-highlight-function">find</span>(<span class="lg-highlight-string">'instock.0.qty'</span> <!-- -->=<!-- -->> <!-- -->{ <span class="lg-highlight-string">'$lte'</span> <!-- -->=<!-- -->> <span class="lg-highlight-number">20</span> })</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-hcrzu6" data-testid="leafygreen-code-panel">
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<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Specify Multiple Conditions for Array of Documents
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</h2>
<p class="leafygreen-ui-1kp3ins">
When specifying conditions on more than one field nested in an array of
documents, you can specify the query such that either a single document
meets these condition or any combination of documents (including a
single document) in the array meets the conditions.
</p>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
A Single Nested Document Meets Multiple Query Conditions on Nested Fields
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</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/query/elemMatch/#mongodb-query-op.-elemMatch">
<code class="leafygreen-ui-1l06pbn">
$elemMatch
</code>
</a>
operator to specify multiple criteria on an
array of embedded documents such that at least one embedded document
satisfies all the specified criteria.
</p>
<p class="leafygreen-ui-1kp3ins">
The following example queries for documents where the
<code class="leafygreen-ui-1l06pbn">
instock
</code>
array
has at least one embedded document that contains both the field
<code class="leafygreen-ui-1l06pbn">
qty
</code>
equal to
<code class="leafygreen-ui-1l06pbn">
5
</code>
and the field
<code class="leafygreen-ui-1l06pbn">
warehouse
</code>
equal
to
<code class="leafygreen-ui-1l06pbn">
A
</code>
:
</p>
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<div class="leafygreen-ui-1kdmo88">
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.inventory.find( { \"instock\": { $elemMatch: { qty: 5, warehouse: \"A\" } } } )","programmingLanguage":"JavaScript"}
</script>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">inventory</span>.<span class="lg-highlight-title lg-highlight-function">find</span>( <!-- -->{ <span class="lg-highlight-string">"instock"</span>: <!-- -->{ <span class="lg-highlight-attr">$elemMatch</span>: <!-- -->{ <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">5</span>, <span class="lg-highlight-attr">warehouse</span>: <span class="lg-highlight-string">"A"</span> } } } )</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-obh8q1">
<div class="lg-ui-select-menu-0000 leafygreen-ui-17aj16e" data-lgid="lg-select-button_text">
Node.js
</div>
</div>
<svg alt="" aria-hidden="true" class="leafygreen-ui-fn50nl" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M8.67903 10.7962C8.45271 11.0679 8.04729 11.0679 7.82097 10.7962L4.63962 6.97649C4.3213 6.59428 4.5824 6 5.06866 6L11.4313 6C11.9176 6 12.1787 6.59428 11.8604 6.97649L8.67903 10.7962Z" fill="currentColor">
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</button>
<div aria-live="polite" aria-relevant="all" class="leafygreen-ui-11ydt2g" data-lgid="lg-form_field-feedback" data-testid="lg-form_field-feedback">
</div>
</div>
</div>
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</div>
</div>
<div>
<div aria-labelledby="_yeds7hxdz" class="leafygreen-ui-38lglc" id="_lkb1v78yh" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
Copy the following filter into the Compass query bar and click
<span class="guilabel css-h15tq0">
Find
</span>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ \"instock\": { $elemMatch: { qty: 5, warehouse: \"A\" } } }","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-9lvdmr">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"instock"</span>: <!-- -->{ <span class="lg-highlight-attr">$elemMatch</span>: <!-- -->{ <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">5</span>, <span class="lg-highlight-attr">warehouse</span>: <span class="lg-highlight-string">"A"</span> } } }</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-hcrzu6" data-testid="leafygreen-code-panel">
<div class="leafygreen-ui-148abs6">
<div class="leafygreen-ui-omjz13" data-lgid="lg-select">
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongoc_collection_t *collection;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">bson_t *filter;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">mongoc_cursor_t *cursor;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">collection <!-- -->= <!-- -->mongoc_database_get_collection (db<!-- -->, <span class="lg-highlight-string">"inventory"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">filter <!-- -->= <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_NEW</span> (</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-string">"{"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"$elemMatch"</span>, <span class="lg-highlight-string">"{"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"qty"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_INT64</span> (<!-- --><span class="lg-highlight-number">5</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"warehouse"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_UTF8</span> (<!-- --><span class="lg-highlight-string">"A"</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"}"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"}"</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">cursor <!-- -->= <!-- -->mongoc_collection_find_with_opts (collection, filter<!-- -->, <span class="lg-highlight-variable lg-highlight-constant">NULL</span>, <span class="lg-highlight-variable lg-highlight-constant">NULL</span>);</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> filter = <span class="lg-highlight-title lg-highlight-class">Builders</span><<span class="lg-highlight-title lg-highlight-class">BsonDocument</span>>.<span class="lg-highlight-property">Filter</span>.<span class="lg-highlight-property">ElemMatch</span><<span class="lg-highlight-title lg-highlight-class">BsonValue</span>>(<span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span> { { <span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">5</span> }, { <span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"A"</span> } });</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> result = collection.<span class="lg-highlight-title lg-highlight-class">Find</span>(filter).<span class="lg-highlight-title lg-highlight-class">ToList</span>();</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">cursor<!-- -->, <!-- -->err := coll.<span class="lg-highlight-title lg-highlight-class">Find</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> context.<span class="lg-highlight-title lg-highlight-function">TODO</span>(),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bson.<span class="lg-highlight-property">D</span>{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"instock"</span>, bson.<span class="lg-highlight-property">D</span>{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"$elemMatch"</span>, bson.<span class="lg-highlight-property">D</span>{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-number">5</span>},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"warehouse"</span>, <span class="lg-highlight-string">"A"</span>},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> })</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">findPublisher = collection.<span class="lg-highlight-title lg-highlight-function">find</span>(<span class="lg-highlight-title lg-highlight-function">elemMatch</span>(<span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-title lg-highlight-class">Document</span>.<span class="lg-highlight-title lg-highlight-function">parse</span>(<span class="lg-highlight-string">"{ qty: 5, warehouse: 'A' }"</span>)));</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">findIterable = collection.<span class="lg-highlight-title lg-highlight-function">find</span>(<span class="lg-highlight-title lg-highlight-function">elemMatch</span>(<span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-title lg-highlight-class">Document</span>.<span class="lg-highlight-title lg-highlight-function">parse</span>(<span class="lg-highlight-string">"{ qty: 5, warehouse: 'A' }"</span>)));</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"val findFlow = collection\n .find(elemMatch(\"instock\", Document.parse(\"{ qty: 5, warehouse: 'A' }\")))","programmingLanguage":"Kotlin"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">val findFlow = collection</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">find</span>(<span class="lg-highlight-title lg-highlight-function">elemMatch</span>(<span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-title lg-highlight-class">Document</span>.<span class="lg-highlight-title lg-highlight-function">parse</span>(<span class="lg-highlight-string">"{ qty: 5, warehouse: 'A' }"</span>)))</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">const</span> cursor <!-- -->= <!-- -->db.<span class="lg-highlight-title lg-highlight-function">collection</span>(<span class="lg-highlight-string">'inventory'</span>).<span class="lg-highlight-title lg-highlight-function">find</span>(<!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">instock</span>: <!-- -->{ <span class="lg-highlight-attr">$elemMatch</span>: <!-- -->{ <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">5</span>, <span class="lg-highlight-attr">warehouse</span>: <span class="lg-highlight-string">'A'</span> } }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">})<!-- -->;</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">cursor = db.<span class="lg-highlight-property">inventory</span>.<span class="lg-highlight-title lg-highlight-function">find</span>({<span class="lg-highlight-string">"instock"</span>: {<span class="lg-highlight-string">"$elemMatch"</span>: {<span class="lg-highlight-string">"qty"</span>: <span class="lg-highlight-number">5</span>, <span class="lg-highlight-string">"warehouse"</span>: <span class="lg-highlight-string">"A"</span>}}})</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">client<!-- -->[<!-- -->:inventory].<span class="lg-highlight-title lg-highlight-function">find</span>(<span class="lg-highlight-attr">instock</span>: <!-- -->{ <span class="lg-highlight-string">'$elemMatch'</span> <!-- -->=<!-- -->> <!-- -->{ <span class="lg-highlight-attr">qty</span>: <span class="lg-highlight-number">5</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">warehouse</span>: <span class="lg-highlight-string">'A'</span> } })</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-obh8q1">
<div class="lg-ui-select-menu-0000 leafygreen-ui-17aj16e" data-lgid="lg-select-button_text">
Node.js
</div>
</div>
<svg alt="" aria-hidden="true" class="leafygreen-ui-fn50nl" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M8.67903 10.7962C8.45271 11.0679 8.04729 11.0679 7.82097 10.7962L4.63962 6.97649C4.3213 6.59428 4.5824 6 5.06866 6L11.4313 6C11.9176 6 12.1787 6.59428 11.8604 6.97649L8.67903 10.7962Z" fill="currentColor">
</path>
</svg>
</div>
</button>
<div aria-live="polite" aria-relevant="all" class="leafygreen-ui-11ydt2g" data-lgid="lg-form_field-feedback" data-testid="lg-form_field-feedback">
</div>
</div>
</div>
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</button>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The following example queries for documents where the
<code class="leafygreen-ui-1l06pbn">
instock
</code>
array
has at least one embedded document that contains the field
<code class="leafygreen-ui-1l06pbn">
qty
</code>
that
is greater than
<code class="leafygreen-ui-1l06pbn">
10
</code>
and less than or equal to
<code class="leafygreen-ui-1l06pbn">
20
</code>
:
</p>
<div aria-hidden="true">
</div>
<div class="leafygreen-ui-f2qztv" data-lgid="lg-tabs">
<div class="leafygreen-ui-jp7pox" id="tabs-17">
<div aria-label="Tabs to describe usage of drivers" aria-orientation="horizontal" class="leafygreen-ui-m8p1vb lg-ui-tab-list-0000" data-lgid="lg-tabs-tab_list" role="tablist">
<button aria-controls="_hpqwefkw2" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_sntb8ld0m" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
MongoDB Shell
</div>
</button>
<button aria-controls="_poucxd9pj" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_84lp59qrm" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Compass
</div>
</button>
<button aria-controls="_gbl78tbsn" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_xqmzp0zce" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
C
</div>
</button>
<button aria-controls="_dvn22al9e" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_bvnp7zybp" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
C#
</div>
</button>
<button aria-controls="_0cnmikeil" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_t4w6aeejt" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Go
</div>
</button>
<button aria-controls="_ibskm6dtp" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_etwdeks7d" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Java (Async)
</div>
</button>
<button aria-controls="_hb7fjzn90" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_efyu02rut" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Java (Sync)
</div>
</button>
<button aria-controls="_99j6h89u0" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_tkqgq5rrj" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Kotlin (Coroutine)
</div>
</button>
<button aria-controls="_lhx1l1fgy" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_hdehxijk2" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Motor
</div>
</button>
<button aria-controls="_yiru14pfk" aria-selected="true" class="leafygreen-ui-1l773z1" data-text="" id="_42yh5iymm" name="" role="tab" tabindex="0">
<div class="leafygreen-ui-1nxuzmg">
Node.js
</div>
</button>
<button aria-controls="_aqk9h5hpr" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_0ixk5i229" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Perl
</div>
</button>
<button aria-controls="_ypzj04re1" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_1g85yh9kn" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
PHP
</div>
</button>
<button aria-controls="_rbk2zlpdq" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_7ext1gadp" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Python
</div>
</button>
<button aria-controls="_2dnimoopi" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_9bd2b1uqd" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Ruby
</div>
</button>
<button aria-controls="_umzgo8zcf" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_zpdervm2f" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Scala
</div>
</button>
</div>
<div class="leafygreen-ui-ov1ktg">
<div class="leafygreen-ui-1sg2lsz">
</div>
</div>
</div>
<div class="lg-ui-tab-panels-0000" data-lgid="lg-tabs-tab_panels">
<div>
<div aria-labelledby="_pzsqct6di" class="leafygreen-ui-38lglc" id="_v6qx11eir" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.inventory.find( { \"instock\": { $elemMatch: { qty: { $gt: 10, $lte: 20 } } } } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-9lvdmr">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">inventory</span>.<span class="lg-highlight-title lg-highlight-function">find</span>( <!-- -->{ <span class="lg-highlight-string">"instock"</span>: <!-- -->{ <span class="lg-highlight-attr">$elemMatch</span>: <!-- -->{ <span class="lg-highlight-attr">qty</span>: <!-- -->{ <span class="lg-highlight-attr">$gt</span>: <span class="lg-highlight-number">10</span>, <span class="lg-highlight-attr">$lte</span>: <span class="lg-highlight-number">20</span> } } } } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-hcrzu6" data-testid="leafygreen-code-panel">
<div class="leafygreen-ui-148abs6">
<div class="leafygreen-ui-omjz13" data-lgid="lg-select">
<button aria-controls="select-294-menu" aria-describedby="select-294-description" aria-disabled="false" aria-expanded="false" aria-invalid="false" aria-labelledby="Language Picker" class="lg-ui-button-0000 leafygreen-ui-dvfj9v" data-lgid="lg-button" data-testid="leafygreen-ui-select-menubutton" id="select-295" type="button" value="Node.js">
<div class="leafygreen-ui-v038xi">
</div>
<div class="leafygreen-ui-16tr4y">
<svg aria-hidden="true" class="leafygreen-ui-18si895" fill="none" role="presentation" viewbox="0 0 30 30" xmlns="http://www.w3.org/2000/svg">
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Node.js
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<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
Copy the following filter into the Compass query bar and click
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Find
</span>
:
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ \"instock\": { $elemMatch: { qty: { $gt: 10, $lte: 20 } } } }","programmingLanguage":"JavaScript"}
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<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-9lvdmr">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"instock"</span>: <!-- -->{ <span class="lg-highlight-attr">$elemMatch</span>: <!-- -->{ <span class="lg-highlight-attr">qty</span>: <!-- -->{ <span class="lg-highlight-attr">$gt</span>: <span class="lg-highlight-number">10</span>, <span class="lg-highlight-attr">$lte</span>: <span class="lg-highlight-number">20</span> } } } }</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongoc_collection_t *collection;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">bson_t *filter;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">mongoc_cursor_t *cursor;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">collection <!-- -->= <!-- -->mongoc_database_get_collection (db<!-- -->, <span class="lg-highlight-string">"inventory"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">filter <!-- -->= <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_NEW</span> (</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-string">"{"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"$elemMatch"</span>, <span class="lg-highlight-string">"{"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-string">"{"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"$gt"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_INT64</span> (<!-- --><span class="lg-highlight-number">10</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"$lte"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_INT64</span> (<!-- --><span class="lg-highlight-number">20</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"}"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"}"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"}"</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">cursor <!-- -->= <!-- -->mongoc_collection_find_with_opts (collection, filter<!-- -->, <span class="lg-highlight-variable lg-highlight-constant">NULL</span>, <span class="lg-highlight-variable lg-highlight-constant">NULL</span>);</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> filter = <span class="lg-highlight-title lg-highlight-class">Builders</span><<span class="lg-highlight-title lg-highlight-class">BsonDocument</span>>.<span class="lg-highlight-property">Filter</span>.<span class="lg-highlight-property">ElemMatch</span><<span class="lg-highlight-title lg-highlight-class">BsonValue</span>>(<span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span> { { <span class="lg-highlight-string">"qty"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span> { { <span class="lg-highlight-string">"$gt"</span>, <span class="lg-highlight-number">10</span> }, { <span class="lg-highlight-string">"$lte"</span>, <span class="lg-highlight-number">20</span> } } } });</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> result = collection.<span class="lg-highlight-title lg-highlight-class">Find</span>(filter).<span class="lg-highlight-title lg-highlight-class">ToList</span>();</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"findPublisher = collection.find(elemMatch(\"instock\", Document.parse(\"{ qty: { $gt: 10, $lte: 20 } }\")));","programmingLanguage":"Java"}
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">findPublisher = collection.<span class="lg-highlight-title lg-highlight-function">find</span>(<span class="lg-highlight-title lg-highlight-function">elemMatch</span>(<span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-title lg-highlight-class">Document</span>.<span class="lg-highlight-title lg-highlight-function">parse</span>(<span class="lg-highlight-string">"{ qty: { $gt: 10, $lte: 20 } }"</span>)));</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"findIterable = collection.find(elemMatch(\"instock\", Document.parse(\"{ qty: { $gt: 10, $lte: 20 } }\")));","programmingLanguage":"Java"}
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">findIterable = collection.<span class="lg-highlight-title lg-highlight-function">find</span>(<span class="lg-highlight-title lg-highlight-function">elemMatch</span>(<span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-title lg-highlight-class">Document</span>.<span class="lg-highlight-title lg-highlight-function">parse</span>(<span class="lg-highlight-string">"{ qty: { $gt: 10, $lte: 20 } }"</span>)));</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"val findFlow = collection\n .find(elemMatch(\"instock\", Document.parse(\"{ qty: { \\$gt: 10, \\$lte: 20 } }\")))","programmingLanguage":"Kotlin"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">val findFlow = collection</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">find</span>(<span class="lg-highlight-title lg-highlight-function">elemMatch</span>(<span class="lg-highlight-string">"instock"</span>, <span class="lg-highlight-title lg-highlight-class">Document</span>.<span class="lg-highlight-title lg-highlight-function">parse</span>(<span class="lg-highlight-string">"{ qty: { </span><span class="lg-highlight-string">\$</span><span class="lg-highlight-string">gt: 10, </span><span class="lg-highlight-string">\$</span><span class="lg-highlight-string">lte: 20 } }"</span>)))</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">const</span> cursor <!-- -->= <!-- -->db.<span class="lg-highlight-title lg-highlight-function">collection</span>(<span class="lg-highlight-string">'inventory'</span>).<span class="lg-highlight-title lg-highlight-function">find</span>(<!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">instock</span>: <!-- -->{ <span class="lg-highlight-attr">$elemMatch</span>: <!-- -->{ <span class="lg-highlight-attr">qty</span>: <!-- -->{ <span class="lg-highlight-attr">$gt</span>: <span class="lg-highlight-number">10</span>, <span class="lg-highlight-attr">$lte</span>: <span class="lg-highlight-number">20</span> } } }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">})<!-- -->;</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">$cursor = $db->inventory-><span class="lg-highlight-title lg-highlight-function">find</span>([<span class="lg-highlight-string">'instock'</span> => [<span class="lg-highlight-string">'$elemMatch'</span> =<!-- -->> [<span class="lg-highlight-string">'qty'</span> => [<span class="lg-highlight-string">'$gt'</span> => <span class="lg-highlight-number">10</span>, <span class="lg-highlight-string">'$lte'</span> => <span class="lg-highlight-number">20</span>]]]]);</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"cursor = db.inventory.find({\"instock\": {\"$elemMatch\": {\"qty\": {\"$gt\": 10, \"$lte\": 20}}}})","programmingLanguage":"Python"}
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">cursor = db.<span class="lg-highlight-property">inventory</span>.<span class="lg-highlight-title lg-highlight-function">find</span>({<span class="lg-highlight-string">"instock"</span>: {<span class="lg-highlight-string">"$elemMatch"</span>: {<span class="lg-highlight-string">"qty"</span>: {<span class="lg-highlight-string">"$gt"</span>: <span class="lg-highlight-number">10</span>, <span class="lg-highlight-string">"$lte"</span>: <span class="lg-highlight-number">20</span>}}}})</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">client<!-- -->[<!-- -->:inventory].<span class="lg-highlight-title lg-highlight-function">find</span>(<span class="lg-highlight-attr">instock</span>: <!-- -->{ <span class="lg-highlight-string">'$elemMatch'</span> <!-- -->=<!-- -->> <!-- -->{ <span class="lg-highlight-attr">qty</span>: <!-- -->{ <span class="lg-highlight-string">'$gt'</span> <!-- -->=<!-- -->> <span class="lg-highlight-number">10</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">'$lte'</span> <!-- -->=<!-- -->> <span class="lg-highlight-number">20</span> } } })</td></tr></tbody></table></code></pre>
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<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Combination of Elements Satisfies the Criteria
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</h3>
<p class="leafygreen-ui-1kp3ins">
If the compound query conditions on an array field do not use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/query/elemMatch/#mongodb-query-op.-elemMatch">
<code class="leafygreen-ui-1l06pbn">
$elemMatch
</code>
</a>
operator, the query selects those documents whose
array contains any combination of elements that satisfies the
conditions.
</p>
<p class="leafygreen-ui-1kp3ins">
For example, the following query matches documents where any document
nested in the
<code class="leafygreen-ui-1l06pbn">
instock
</code>
array has the
<code class="leafygreen-ui-1l06pbn">
qty
</code>
field greater than
<code class="leafygreen-ui-1l06pbn">
10
</code>
and any document (but not necessarily the same embedded
document) in the array has the
<code class="leafygreen-ui-1l06pbn">
qty
</code>
field less than or equal to
<code class="leafygreen-ui-1l06pbn">
20
</code>
:
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<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.inventory.find( { \"instock.qty\": { $gt: 10, $lte: 20 } } )","programmingLanguage":"JavaScript"}
</script>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">inventory</span>.<span class="lg-highlight-title lg-highlight-function">find</span>( <!-- -->{ <span class="lg-highlight-string">"instock.qty"</span>: <!-- -->{ <span class="lg-highlight-attr">$gt</span>: <span class="lg-highlight-number">10</span>, <span class="lg-highlight-attr">$lte</span>: <span class="lg-highlight-number">20</span> } } )</td></tr></tbody></table></code></pre>
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Node.js
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<p class="leafygreen-ui-1kp3ins">
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Find
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:
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ \"instock.qty\": { $gt: 10, $lte: 20 } }","programmingLanguage":"JavaScript"}
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<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-9lvdmr">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"instock.qty"</span>: <!-- -->{ <span class="lg-highlight-attr">$gt</span>: <span class="lg-highlight-number">10</span>, <span class="lg-highlight-attr">$lte</span>: <span class="lg-highlight-number">20</span> } }</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongoc_collection_t *collection;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">bson_t *filter;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">mongoc_cursor_t *cursor;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">collection <!-- -->= <!-- -->mongoc_database_get_collection (db<!-- -->, <span class="lg-highlight-string">"inventory"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">filter <!-- -->= <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_NEW</span> (</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"instock.qty"</span>, <span class="lg-highlight-string">"{"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"$gt"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_INT64</span> (<!-- --><span class="lg-highlight-number">10</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"$lte"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_INT64</span> (<!-- --><span class="lg-highlight-number">20</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"}"</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">cursor <!-- -->= <!-- -->mongoc_collection_find_with_opts (collection, filter<!-- -->, <span class="lg-highlight-variable lg-highlight-constant">NULL</span>, <span class="lg-highlight-variable lg-highlight-constant">NULL</span>);</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> builder = <span class="lg-highlight-title lg-highlight-class">Builders</span><<span class="lg-highlight-title lg-highlight-class">BsonDocument</span>>.<span class="lg-highlight-property">Filter</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> filter = builder.<span class="lg-highlight-title lg-highlight-class">And</span>(builder.<span class="lg-highlight-title lg-highlight-class">Gt</span>(<span class="lg-highlight-string">"instock.qty"</span>, <span class="lg-highlight-number">10</span>), builder.<span class="lg-highlight-title lg-highlight-class">Lte</span>(<span class="lg-highlight-string">"instock.qty"</span>, <span class="lg-highlight-number">20</span>));</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> result = collection.<span class="lg-highlight-title lg-highlight-class">Find</span>(filter).<span class="lg-highlight-title lg-highlight-class">ToList</span>();</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">findIterable = collection.<span class="lg-highlight-title lg-highlight-function">find</span>(<span class="lg-highlight-title lg-highlight-function">and</span>(<span class="lg-highlight-title lg-highlight-function">gt</span>(<span class="lg-highlight-string">"instock.qty"</span>, <span class="lg-highlight-number">10</span>), <span class="lg-highlight-title lg-highlight-function">lte</span>(<span class="lg-highlight-string">"instock.qty"</span>, <span class="lg-highlight-number">20</span>)));</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">val findFlow = collection</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">find</span>(<span class="lg-highlight-title lg-highlight-function">and</span>(<span class="lg-highlight-title lg-highlight-function">gt</span>(<span class="lg-highlight-string">"instock.qty"</span>, <span class="lg-highlight-number">10</span>), <span class="lg-highlight-title lg-highlight-function">lte</span>(<span class="lg-highlight-string">"instock.qty"</span>, <span class="lg-highlight-number">20</span>)))</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">cursor = db.<span class="lg-highlight-property">inventory</span>.<span class="lg-highlight-title lg-highlight-function">find</span>({<span class="lg-highlight-string">"instock.qty"</span>: {<span class="lg-highlight-string">"$gt"</span>: <span class="lg-highlight-number">10</span>, <span class="lg-highlight-string">"$lte"</span>: <span class="lg-highlight-number">20</span>}})</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">const</span> cursor <!-- -->= <!-- -->db.<span class="lg-highlight-title lg-highlight-function">collection</span>(<span class="lg-highlight-string">'inventory'</span>).<span class="lg-highlight-title lg-highlight-function">find</span>(<!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">'instock.qty'</span>: <!-- -->{ <span class="lg-highlight-attr">$gt</span>: <span class="lg-highlight-number">10</span>, <span class="lg-highlight-attr">$lte</span>: <span class="lg-highlight-number">20</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">})<!-- -->;</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">cursor = db.<span class="lg-highlight-property">inventory</span>.<span class="lg-highlight-title lg-highlight-function">find</span>({<span class="lg-highlight-string">"instock.qty"</span>: {<span class="lg-highlight-string">"$gt"</span>: <span class="lg-highlight-number">10</span>, <span class="lg-highlight-string">"$lte"</span>: <span class="lg-highlight-number">20</span>}})</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">client<!-- -->[<!-- -->:inventory].<span class="lg-highlight-title lg-highlight-function">find</span>(<span class="lg-highlight-string">'instock.qty'</span> <!-- -->=<!-- -->> <!-- -->{ <span class="lg-highlight-string">'$gt'</span> <!-- -->=<!-- -->> <span class="lg-highlight-number">10</span>, <span class="lg-highlight-string">'$lte'</span> <!-- -->=<!-- -->> <span class="lg-highlight-number">20</span> })</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">findObservable = collection.<span class="lg-highlight-title lg-highlight-function">find</span>(<span class="lg-highlight-title lg-highlight-function">and</span>(<span class="lg-highlight-title lg-highlight-function">gt</span>(<span class="lg-highlight-string">"instock.qty"</span>, <span class="lg-highlight-number">10</span>), <span class="lg-highlight-title lg-highlight-function">lte</span>(<span class="lg-highlight-string">"instock.qty"</span>, <span class="lg-highlight-number">20</span>)))</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-obh8q1">
<div class="lg-ui-select-menu-0000 leafygreen-ui-17aj16e" data-lgid="lg-select-button_text">
Node.js
</div>
</div>
<svg alt="" aria-hidden="true" class="leafygreen-ui-fn50nl" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M8.67903 10.7962C8.45271 11.0679 8.04729 11.0679 7.82097 10.7962L4.63962 6.97649C4.3213 6.59428 4.5824 6 5.06866 6L11.4313 6C11.9176 6 12.1787 6.59428 11.8604 6.97649L8.67903 10.7962Z" fill="currentColor">
</path>
</svg>
</div>
</button>
<div aria-live="polite" aria-relevant="all" class="leafygreen-ui-11ydt2g" data-lgid="lg-form_field-feedback" data-testid="lg-form_field-feedback">
</div>
</div>
</div>
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
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</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The following example queries for documents where the
<code class="leafygreen-ui-1l06pbn">
instock
</code>
array
has at least one embedded document that contains the field
<code class="leafygreen-ui-1l06pbn">
qty
</code>
equal to
<code class="leafygreen-ui-1l06pbn">
5
</code>
and at least one embedded document (but not necessarily
the same embedded document) that contains the field
<code class="leafygreen-ui-1l06pbn">
warehouse
</code>
equal
to
<code class="leafygreen-ui-1l06pbn">
A
</code>
:
</p>
<div aria-hidden="true">
</div>
<div class="leafygreen-ui-f2qztv" data-lgid="lg-tabs">
<div class="leafygreen-ui-jp7pox" id="tabs-20">
<div aria-label="Tabs to describe usage of drivers" aria-orientation="horizontal" class="leafygreen-ui-m8p1vb lg-ui-tab-list-0000" data-lgid="lg-tabs-tab_list" role="tablist">
<button aria-controls="_cqswvf7y5" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_xtdwtmd6e" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
MongoDB Shell
</div>
</button>
<button aria-controls="_f6uhqoao2" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_b5o84i69y" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Compass
</div>
</button>
<button aria-controls="_e61hem00p" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_k6gx51afi" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
C
</div>
</button>
<button aria-controls="_yh35qbtpq" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_xam6oow3n" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
C#
</div>
</button>
<button aria-controls="_w5blkygv1" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_ijonjrzpo" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Go
</div>
</button>
<button aria-controls="_b9ac9rh9e" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_04k3r0p5l" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Java (Async)
</div>
</button>
<button aria-controls="_64gjdjd7t" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_6k6ydw78j" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Java (Sync)
</div>
</button>
<button aria-controls="_2n0xl1acw" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_od4k0u09j" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Kotlin (Coroutine)
</div>
</button>
<button aria-controls="_y1yw6y581" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_uv5moerkm" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Motor
</div>
</button>
<button aria-controls="_mp19j8xct" aria-selected="true" class="leafygreen-ui-1l773z1" data-text="" id="_5n0lmmxog" name="" role="tab" tabindex="0">
<div class="leafygreen-ui-1nxuzmg">
Node.js
</div>
</button>
<button aria-controls="_lm0nt5uew" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_6jlq5tm8g" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Perl
</div>
</button>
<button aria-controls="_1ryw5a1cn" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_2l0arosvb" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
PHP
</div>
</button>
<button aria-controls="_l1dsot0sc" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_iytrgapv4" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Python
</div>
</button>
<button aria-controls="_d2rv3jb5f" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_t8yufa0o2" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Ruby
</div>
</button>
<button aria-controls="_gq3116wwm" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_n5m1p81ys" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Scala
</div>
</button>
</div>
<div class="leafygreen-ui-ov1ktg">
<div class="leafygreen-ui-1sg2lsz">
</div>
</div>
</div>
<div class="lg-ui-tab-panels-0000" data-lgid="lg-tabs-tab_panels">
<div>
<div aria-labelledby="_2p2uh6mm5" class="leafygreen-ui-38lglc" id="_55mwm1k1u" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.inventory.find( { \"instock.qty\": 5, \"instock.warehouse\": \"A\" } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-9lvdmr">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">inventory</span>.<span class="lg-highlight-title lg-highlight-function">find</span>( <!-- -->{ <span class="lg-highlight-string">"instock.qty"</span>: <span class="lg-highlight-number">5</span>, <span class="lg-highlight-string">"instock.warehouse"</span>: <span class="lg-highlight-string">"A"</span> } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-hcrzu6" data-testid="leafygreen-code-panel">
<div class="leafygreen-ui-148abs6">
<div class="leafygreen-ui-omjz13" data-lgid="lg-select">
<button aria-controls="select-384-menu" aria-describedby="select-384-description" aria-disabled="false" aria-expanded="false" aria-invalid="false" aria-labelledby="Language Picker" class="lg-ui-button-0000 leafygreen-ui-dvfj9v" data-lgid="lg-button" data-testid="leafygreen-ui-select-menubutton" id="select-385" type="button" value="Node.js">
<div class="leafygreen-ui-v038xi">
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Node.js
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<p class="leafygreen-ui-1kp3ins">
Copy the following filter into the Compass query bar and click
<span class="guilabel css-h15tq0">
Find
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:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{ \"instock.qty\": 5, \"instock.warehouse\": \"A\" }","programmingLanguage":"JavaScript"}
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<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-9lvdmr">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{ <span class="lg-highlight-string">"instock.qty"</span>: <span class="lg-highlight-number">5</span>, <span class="lg-highlight-string">"instock.warehouse"</span>: <span class="lg-highlight-string">"A"</span> }</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongoc_collection_t *collection;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">bson_t *filter;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">mongoc_cursor_t *cursor;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">collection <!-- -->= <!-- -->mongoc_database_get_collection (db<!-- -->, <span class="lg-highlight-string">"inventory"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">filter <!-- -->= <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_NEW</span> (</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"instock.qty"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_INT64</span> (<!-- --><span class="lg-highlight-number">5</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"instock.warehouse"</span>, <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_UTF8</span> (<!-- --><!-- --><span class="lg-highlight-string">"A"</span>));</td></tr><tr class=""><td class="leafygreen-ui-7razhx">cursor <!-- -->= <!-- -->mongoc_collection_find_with_opts (collection, filter<!-- -->, <span class="lg-highlight-variable lg-highlight-constant">NULL</span>, <span class="lg-highlight-variable lg-highlight-constant">NULL</span>);</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> builder = <span class="lg-highlight-title lg-highlight-class">Builders</span><<span class="lg-highlight-title lg-highlight-class">BsonDocument</span>>.<span class="lg-highlight-property">Filter</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> filter = builder.<span class="lg-highlight-title lg-highlight-class">And</span>(builder.<span class="lg-highlight-title lg-highlight-class">Eq</span>(<span class="lg-highlight-string">"instock.qty"</span>, <span class="lg-highlight-number">5</span>), builder.<span class="lg-highlight-title lg-highlight-class">Eq</span>(<span class="lg-highlight-string">"instock.warehouse"</span>, <span class="lg-highlight-string">"A"</span>));</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> result = collection.<span class="lg-highlight-title lg-highlight-class">Find</span>(filter).<span class="lg-highlight-title lg-highlight-class">ToList</span>();</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"findIterable = collection.find(and(eq(\"instock.qty\", 5), eq(\"instock.warehouse\", \"A\")));","programmingLanguage":"Java"}
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">findIterable = collection.<span class="lg-highlight-title lg-highlight-function">find</span>(<span class="lg-highlight-title lg-highlight-function">and</span>(<span class="lg-highlight-title lg-highlight-function">eq</span>(<span class="lg-highlight-string">"instock.qty"</span>, <span class="lg-highlight-number">5</span>), <span class="lg-highlight-title lg-highlight-function">eq</span>(<span class="lg-highlight-string">"instock.warehouse"</span>, <span class="lg-highlight-string">"A"</span>)));</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"val findFlow = collection\n .find(and(eq(\"instock.qty\", 5), eq(\"instock.warehouse\", \"A\")))","programmingLanguage":"Kotlin"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">val findFlow = collection</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">find</span>(<span class="lg-highlight-title lg-highlight-function">and</span>(<span class="lg-highlight-title lg-highlight-function">eq</span>(<span class="lg-highlight-string">"instock.qty"</span>, <span class="lg-highlight-number">5</span>), <span class="lg-highlight-title lg-highlight-function">eq</span>(<span class="lg-highlight-string">"instock.warehouse"</span>, <span class="lg-highlight-string">"A"</span>)))</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">cursor = db.<span class="lg-highlight-property">inventory</span>.<span class="lg-highlight-title lg-highlight-function">find</span>({<span class="lg-highlight-string">"instock.qty"</span>: <span class="lg-highlight-number">5</span>, <span class="lg-highlight-string">"instock.warehouse"</span>: <span class="lg-highlight-string">"A"</span>})</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">const</span> cursor <!-- -->= <!-- -->db.<span class="lg-highlight-title lg-highlight-function">collection</span>(<span class="lg-highlight-string">'inventory'</span>).<span class="lg-highlight-title lg-highlight-function">find</span>(<!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">'instock.qty'</span>: <span class="lg-highlight-number">5</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">'instock.warehouse'</span>: <span class="lg-highlight-string">'A'</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">})<!-- -->;</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">cursor = db.<span class="lg-highlight-property">inventory</span>.<span class="lg-highlight-title lg-highlight-function">find</span>({<span class="lg-highlight-string">"instock.qty"</span>: <span class="lg-highlight-number">5</span>, <span class="lg-highlight-string">"instock.warehouse"</span>: <span class="lg-highlight-string">"A"</span>})</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">client<!-- -->[<!-- -->:inventory].<span class="lg-highlight-title lg-highlight-function">find</span>(<span class="lg-highlight-string">'instock.qty'</span> <!-- -->=<!-- -->> <span class="lg-highlight-number">5</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">'instock.warehouse'</span> <!-- -->=<!-- -->> <span class="lg-highlight-string">'A'</span>)</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">findObservable = collection.<span class="lg-highlight-title lg-highlight-function">find</span>(<span class="lg-highlight-title lg-highlight-function">and</span>(<span class="lg-highlight-title lg-highlight-function">equal</span>(<span class="lg-highlight-string">"instock.qty"</span>, <span class="lg-highlight-number">5</span>), <span class="lg-highlight-title lg-highlight-function">equal</span>(<span class="lg-highlight-string">"instock.warehouse"</span>, <span class="lg-highlight-string">"A"</span>)))</td></tr></tbody></table></code></pre>
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Node.js
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<span class="leafygreen-ui-1qnjd6d" id="std-label-query-array-documents-atlas-ui">
</span>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Query an Array of Documents with MongoDB Atlas
<a class="headerlink leafygreen-ui-1kepx47" href="#query-an-array-of-documents-with-mongodb-atlas" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The example in this section uses the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/sample-data/sample-training/" target="_self">
<span>
sample training dataset
</span>
</a>
. To learn how to load the sample
dataset into your MongoDB Atlas deployment, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/sample-data/#std-label-load-sample-data" target="_self">
<span>
Load Sample Data
<!-- -->
.
</span>
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
To query an array of documents in MongoDB Atlas, follow these steps:
</p>
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<div class="css-4nyere eccljxs0">
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<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
In the MongoDB Atlas UI, go to the
<span class="guilabel css-h15tq0">
Clusters
</span>
page for your project.
<a class="headerlink leafygreen-ui-1kepx47" href="#in-the-mongodb-atlas-ui--go-to-the-clusters-page-for-your-project." title="Permalink to this heading">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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<div class="css-1btu0w3 evvkmar0" id="in-the-mongodb-atlas-ui--go-to-the-clusters-page-for-your-project.">
</div>
</a>
</h3>
<ol class="leafygreen-ui-rioki0" type="a">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If it's not already displayed, select the organization that
contains your desired project from the
<i class="mms-icon-office mms-icon">
</i>
<span class="guilabel css-h15tq0">
Organizations
</span>
menu
<!-- -->
in the
navigation bar.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If it's not already displayed, select your project
from the
<span class="guilabel css-h15tq0">
Projects
</span>
menu in the navigation bar.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If it's not already displayed, click
<span class="guilabel css-h15tq0">
Clusters
</span>
in the
sidebar.
</p>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://cloud.mongodb.com/go?l=https%3A%2F%2Fcloud.mongodb.com%2Fv2%2F%3Cproject%3E%23%2Fclusters" target="_self">
<span>
Clusters
</span>
</a>
page displays.
</p>
</li>
</ol>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Navigate to the collection
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="navigate-to-the-collection">
</div>
</a>
</h3>
<ol class="leafygreen-ui-rioki0" type="a">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
For the cluster that contains the sample data,
click
<span class="guilabel css-h15tq0">
Browse Collections
</span>
.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
In the left navigation pane, select the
<span class="guilabel css-h15tq0">
sample_training
</span>
database.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Select the
<span class="guilabel css-h15tq0">
grades
</span>
collection.
</p>
</li>
</ol>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
3
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Specify the Filter field
<a class="headerlink leafygreen-ui-1kepx47" href="#specify-the-filter-field" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="specify-the-filter-field">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Specify the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/document/#std-label-document-query-filter">
query filter document
</a>
in the
<span class="guilabel css-h15tq0">
Filter
</span>
field. A query filter document uses
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/csfle/reference/supported-operations/#std-label-csfle-supported-query-operators">
query operators
</a>
to specify
search conditions.
</p>
<p class="leafygreen-ui-1kp3ins">
Copy the following query filter document into the
<span class="guilabel css-h15tq0">
Filter
</span>
search bar:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\"scores.type\": \"exam\"}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{<span class="lg-highlight-string">"scores.type"</span>: <span class="lg-highlight-string">"exam"</span>}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
4
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Click
<span class="guilabel css-h15tq0">
Apply
</span>
<a class="headerlink leafygreen-ui-1kepx47" href="#click-apply" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="click-apply">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
This query filter returns all documents in the
<code class="leafygreen-ui-1l06pbn">
sample_training.grades
</code>
collection that contain a subdocument in the
<code class="leafygreen-ui-1l06pbn">
scores
</code>
array where
<code class="leafygreen-ui-1l06pbn">
type
</code>
is set to
<code class="leafygreen-ui-1l06pbn">
exam
</code>
. The full document, including the entire
<code class="leafygreen-ui-1l06pbn">
scores
</code>
array, is returned. For more information on modifying the
returned array, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/project-fields-from-query-results/#std-label-project-array-elements-in-returned-array">
Project Specific Array Elements in the Returned Array
<!-- -->
.
</a>
</p>
</section>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Additional Query Tutorials
<a class="headerlink leafygreen-ui-1kepx47" href="#additional-query-tutorials" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="additional-query-tutorials">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
For additional query examples, see:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/query-arrays/">
Query an Array
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/query-documents/">
Query Documents
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/query-embedded-documents/">
Query on Embedded/Nested Documents
</a>
</p>
</li>
</ul>
</section>
</section>
|
https://www.mongodb.com/docs/manual/core/views/create-view/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Create and Query a View
<a class="headerlink leafygreen-ui-1kepx47" href="#create-and-query-a-view" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="create-and-query-a-view">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#db.createcollection---syntax" target="_self">
<span>
<code class="css-1kekw28 e1wawog0">
db.createCollection()
</code>
Syntax
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#db.createview---syntax" target="_self">
<span>
<code class="css-1kekw28 e1wawog0">
db.createView()
</code>
Syntax
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#restrictions" target="_self">
<span>
Restrictions
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#unsupported-operations" target="_self">
<span>
Unsupported Operations
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#examples" target="_self">
<span>
Examples
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#populate-the-collection" target="_self">
<span>
Populate the Collection
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#use-db.createview---to-create-a-view" target="_self">
<span>
Use db.createView() to Create a View
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#use-db.createcollection---to-create-a-view" target="_self">
<span>
Use db.createCollection() to Create a View
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#retrieve-medical-information-for-roles-granted-to-the-current-user" target="_self">
<span>
Retrieve Medical Information for Roles Granted to the Current User
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#retrieve-budget-documents-for-roles-granted-to-the-current-user" target="_self">
<span>
Retrieve Budget Documents for Roles Granted to the Current User
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#roles-with-the-same-name-in-multiple-databases" target="_self">
<span>
Roles with the Same Name in Multiple Databases
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#behavior" target="_self">
<span>
Behavior
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#aggregation-optimizations" target="_self">
<span>
Aggregation Optimizations
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#resource-locking" target="_self">
<span>
Resource Locking
</span>
</a>
</li>
</ul>
</div>
<p class="leafygreen-ui-1kp3ins">
To create a view, use one of the following methods:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.createCollection/#mongodb-method-db.createCollection">
<code class="leafygreen-ui-1l06pbn">
db.createCollection()
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.createView/#mongodb-method-db.createView">
<code class="leafygreen-ui-1l06pbn">
db.createView()
</code>
</a>
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
To create a view in the MongoDB Atlas UI, you must use a materialized
view. To learn more, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/materialized-views/#std-label-create-view-atlas">
Create a Materialized View in the MongoDB Atlas UI
<!-- -->
.
</a>
</p>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
View Names are Included in Collection List Output
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Operations that list collections, such as
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.getCollectionInfos/#mongodb-method-db.getCollectionInfos">
<code class="leafygreen-ui-1l06pbn">
db.getCollectionInfos()
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.getCollectionNames/#mongodb-method-db.getCollectionNames">
<code class="leafygreen-ui-1l06pbn">
db.getCollectionNames()
</code>
</a>
, include views in their outputs.
</p>
<p class="leafygreen-ui-1kp3ins">
The view definition is public; i.e.
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.getCollectionInfos/#mongodb-method-db.getCollectionInfos">
<code class="leafygreen-ui-1l06pbn">
db.getCollectionInfos()
</code>
</a>
and
<code class="leafygreen-ui-1l06pbn">
explain
</code>
operations on the view will include the pipeline that
defines the view. As such, avoid referring directly to sensitive fields
and values in view definitions.
</p>
</div>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
<code class="leafygreen-ui-1l06pbn">
db.createCollection()
</code>
Syntax
<a class="headerlink leafygreen-ui-1kepx47" href="#db.createcollection---syntax" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="db.createcollection---syntax">
</div>
</a>
</h2>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.createCollection(\n \"<viewname>\",\n {\n \"viewOn\" : \"<source>\",\n \"pipeline\" : [<pipeline>],\n \"collation\" : { <collation> }\n }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">createCollection</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"<viewName>"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"viewOn"</span> <!-- -->: <span class="lg-highlight-string">"<source>"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"pipeline"</span> <!-- -->: <!-- -->[<<!-- -->pipeline<!-- -->><!-- -->]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"collation"</span> <!-- -->: <!-- -->{ <<!-- -->collation<!-- -->> <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
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<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
<code class="leafygreen-ui-1l06pbn">
db.createView()
</code>
Syntax
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<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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</h2>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.createView(\n \"<viewname>\",\n \"<source>\",\n [<pipeline>],\n {\n \"collation\" : { <collation> }\n }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">createView</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"<viewName>"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"<source>"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->[<<!-- -->pipeline<!-- -->><!-- -->]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"collation"</span> <!-- -->: <!-- -->{ <<!-- -->collation<!-- -->> <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
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<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Restrictions
<a class="headerlink leafygreen-ui-1kepx47" href="#restrictions" title="Permalink to this heading">
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<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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<div class="css-1btu0w3 evvkmar0" id="restrictions">
</div>
</a>
</h2>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
You must create views in the same database as the source collection.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
A view definition
<code class="leafygreen-ui-1l06pbn">
pipeline
</code>
cannot include the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/out/#mongodb-pipeline-pipe.-out">
<code class="leafygreen-ui-1l06pbn">
$out
</code>
</a>
or
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/merge/#mongodb-pipeline-pipe.-merge">
<code class="leafygreen-ui-1l06pbn">
$merge
</code>
</a>
stage. This restriction also applies to
embedded pipelines, such as pipelines used in
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/lookup/#mongodb-pipeline-pipe.-lookup">
<code class="leafygreen-ui-1l06pbn">
$lookup
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/facet/#mongodb-pipeline-pipe.-facet">
<code class="leafygreen-ui-1l06pbn">
$facet
</code>
</a>
stages.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
You cannot rename a view once it is created.
</p>
</li>
</ul>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Unsupported Operations
<a class="headerlink leafygreen-ui-1kepx47" href="#unsupported-operations" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="unsupported-operations">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Some operations are not available with views:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.mapReduce/#mongodb-method-db.collection.mapReduce">
<code class="leafygreen-ui-1l06pbn">
db.collection.mapReduce()
</code>
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/query/text/#mongodb-query-op.-text">
<code class="leafygreen-ui-1l06pbn">
$text
</code>
</a>
operator, since
<code class="leafygreen-ui-1l06pbn">
$text
</code>
in
aggregation is valid only for the first stage.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Renaming a view.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
For more information, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/views/supported-operations/#std-label-views-supported-operations">
Supported Operations for Views
<!-- -->
.
</a>
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Examples
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="examples">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The first example populates a collection with student data and creates a
view to query the data.
</p>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Populate the Collection
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="populate-the-collection">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Create a
<code class="leafygreen-ui-1l06pbn">
students
</code>
collection to use for this example:
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-ex-views-create-sample">
</span>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.students.insertMany( [\n { sID: 22001, name: \"Alex\", year: 1, score: 4.0 },\n { sID: 21001, name: \"bernie\", year: 2, score: 3.7 },\n { sID: 20010, name: \"Chris\", year: 3, score: 2.5 },\n { sID: 22021, name: \"Drew\", year: 1, score: 3.2 },\n { sID: 17301, name: \"harley\", year: 6, score: 3.1 },\n { sID: 21022, name: \"Farmer\", year: 1, score: 2.2 },\n { sID: 20020, name: \"george\", year: 3, score: 2.8 },\n { sID: 18020, name: \"Harley\", year: 5, score: 2.8 },\n] )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">students</span>.<span class="lg-highlight-title lg-highlight-function">insertMany</span>( <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">sID</span>: <span class="lg-highlight-number">22001</span>, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">"Alex"</span>, <span class="lg-highlight-attr">year</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">score</span>: <span class="lg-highlight-number">4.0</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">sID</span>: <span class="lg-highlight-number">21001</span>, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">"bernie"</span>, <span class="lg-highlight-attr">year</span>: <span class="lg-highlight-number">2</span>, <span class="lg-highlight-attr">score</span>: <span class="lg-highlight-number">3.7</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">sID</span>: <span class="lg-highlight-number">20010</span>, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">"Chris"</span>, <span class="lg-highlight-attr">year</span>: <span class="lg-highlight-number">3</span>, <span class="lg-highlight-attr">score</span>: <span class="lg-highlight-number">2.5</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">sID</span>: <span class="lg-highlight-number">22021</span>, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">"Drew"</span>, <span class="lg-highlight-attr">year</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">score</span>: <span class="lg-highlight-number">3.2</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">sID</span>: <span class="lg-highlight-number">17301</span>, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">"harley"</span>, <span class="lg-highlight-attr">year</span>: <span class="lg-highlight-number">6</span>, <span class="lg-highlight-attr">score</span>: <span class="lg-highlight-number">3.1</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">sID</span>: <span class="lg-highlight-number">21022</span>, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">"Farmer"</span>, <span class="lg-highlight-attr">year</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">score</span>: <span class="lg-highlight-number">2.2</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">sID</span>: <span class="lg-highlight-number">20020</span>, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">"george"</span>, <span class="lg-highlight-attr">year</span>: <span class="lg-highlight-number">3</span>, <span class="lg-highlight-attr">score</span>: <span class="lg-highlight-number">2.8</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">sID</span>: <span class="lg-highlight-number">18020</span>, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">"Harley"</span>, <span class="lg-highlight-attr">year</span>: <span class="lg-highlight-number">5</span>, <span class="lg-highlight-attr">score</span>: <span class="lg-highlight-number">2.8</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">] )</td></tr></tbody></table></code></pre>
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Use db.createView() to Create a View
<a class="headerlink leafygreen-ui-1kepx47" href="#use-db.createview---to-create-a-view" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="use-db.createview---to-create-a-view">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.createView/#mongodb-method-db.createView">
<code class="leafygreen-ui-1l06pbn">
db.createView()
</code>
</a>
to create a view that is limited to first
year students:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.createView(\n \"firstYears\",\n \"students\",\n [ { $match: { year: 1 } } ]\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">createView</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"firstYears"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"students"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->[ <!-- -->{ <span class="lg-highlight-attr">$match</span>: <!-- -->{ <span class="lg-highlight-attr">year</span>: <span class="lg-highlight-number">1</span> } } ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
In the example:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
firstYears
</code>
is the name of the new view.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
students
</code>
is the collection the view is based on.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/match/#mongodb-pipeline-pipe.-match">
<code class="leafygreen-ui-1l06pbn">
$match
</code>
</a>
is an aggregation expression that matches first
year students in the
<code class="leafygreen-ui-1l06pbn">
students
</code>
collection.
</p>
</li>
</ul>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Query the View
<a class="headerlink leafygreen-ui-1kepx47" href="#query-the-view" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="query-the-view">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
This example queries the view:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.firstYears.find({}, { _id: 0 } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">firstYears</span>.<span class="lg-highlight-title lg-highlight-function">find</span>(<!-- -->{<!-- -->}<!-- -->, <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">0</span> } )</td></tr></tbody></table></code></pre>
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The following output only contains the documents with data on first
year students. The
<code class="leafygreen-ui-1l06pbn">
{ _id: 0 }
</code>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.find/#std-label-method-find-projection">
projection
</a>
suppresses the
<code class="leafygreen-ui-1l06pbn">
_id
</code>
field in the output.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"[\n { sID: 22001, name: 'Alex', year: 1, score: 4 },\n { sID: 22021, name: 'Drew', year: 1, score: 3.2 },\n { sID: 21022, name: 'Farmer', year: 1, score: 2.2 }\n]","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">sID</span>: <span class="lg-highlight-number">22001</span>, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">'Alex'</span>, <span class="lg-highlight-attr">year</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">score</span>: <span class="lg-highlight-number">4</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">sID</span>: <span class="lg-highlight-number">22021</span>, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">'Drew'</span>, <span class="lg-highlight-attr">year</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">score</span>: <span class="lg-highlight-number">3.2</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">sID</span>: <span class="lg-highlight-number">21022</span>, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">'Farmer'</span>, <span class="lg-highlight-attr">year</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">score</span>: <span class="lg-highlight-number">2.2</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">]</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
Projection Restrictions
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.find/#mongodb-method-db.collection.find">
<code class="leafygreen-ui-1l06pbn">
find()
</code>
</a>
operations on views do not support
the following
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/query/#std-label-query-projection-operators-top">
Query and Projection Operators
</a>
operators:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/projection/positional/#mongodb-projection-proj.-">
<code class="leafygreen-ui-1l06pbn">
$
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/projection/elemMatch/#mongodb-projection-proj.-elemMatch">
<code class="leafygreen-ui-1l06pbn">
$elemMatch
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/projection/slice/#mongodb-projection-proj.-slice">
<code class="leafygreen-ui-1l06pbn">
$slice
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/meta/#mongodb-expression-exp.-meta">
<code class="leafygreen-ui-1l06pbn">
$meta
</code>
</a>
</p>
</li>
</ul>
</div>
</div>
</section>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Use db.createCollection() to Create a View
<a class="headerlink leafygreen-ui-1kepx47" href="#use-db.createcollection---to-create-a-view" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="use-db.createcollection---to-create-a-view">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.createCollection/#mongodb-method-db.createCollection">
<code class="leafygreen-ui-1l06pbn">
db.createCollection()
</code>
</a>
method allows you to create a
collection or a view with specific options.
</p>
<p class="leafygreen-ui-1kp3ins">
The following example creates a
<code class="leafygreen-ui-1l06pbn">
graduateStudents
</code>
view. The view
only contains documents selected by the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/match/#mongodb-pipeline-pipe.-match">
<code class="leafygreen-ui-1l06pbn">
$match
</code>
</a>
stage. The
optional
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/collation/#std-label-collation">
collation
</a>
setting determines the sort
order.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.createCollection(\n \"graduateStudents\",\n {\n viewOn: \"students\",\n pipeline: [ { $match: { $expr: { $gt: [ \"$year\", 4 ] } } } ],\n collation: { locale: \"en\", caseFirst: \"upper\" }\n }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">createCollection</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"graduateStudents"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">viewOn</span>: <span class="lg-highlight-string">"students"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">pipeline</span>: <!-- -->[ <!-- -->{ <span class="lg-highlight-attr">$match</span>: <!-- -->{ <span class="lg-highlight-attr">$expr</span>: <!-- -->{ <span class="lg-highlight-attr">$gt</span>: <!-- -->[ <span class="lg-highlight-string">"$year"</span>, <span class="lg-highlight-number">4</span> ] } } } ]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">collation</span>: <!-- -->{ <span class="lg-highlight-attr">locale</span>: <span class="lg-highlight-string">"en"</span>, <span class="lg-highlight-attr">caseFirst</span>: <span class="lg-highlight-string">"upper"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
Collation Behavior
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
You can specify a default
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/collation/#std-label-collation">
collation
</a>
for a view at creation time. If no collation is specified, the
view's default collation is the "simple" binary comparison
collator. That is, the view does not inherit the collection's
default collation.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
String comparisons on the view use the view's default collation.
An operation that attempts to change or override a view's default
collation will fail with an error.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If creating a view from another view, you cannot specify a
collation that differs from the source view's collation.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If performing an aggregation that involves multiple views, such as
with
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/lookup/#mongodb-pipeline-pipe.-lookup">
<code class="leafygreen-ui-1l06pbn">
$lookup
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/graphLookup/#mongodb-pipeline-pipe.-graphLookup">
<code class="leafygreen-ui-1l06pbn">
$graphLookup
</code>
</a>
, the views must
have the same
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/collation/#std-label-collation">
collation
<!-- -->
.
</a>
</p>
</li>
</ul>
</div>
</div>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Query the View
<a class="headerlink leafygreen-ui-1kepx47" href="#query-the-view-1" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="query-the-view-1">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
The following example queries the view. The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/unset/#mongodb-pipeline-pipe.-unset">
<code class="leafygreen-ui-1l06pbn">
$unset
</code>
</a>
stage
removes the
<code class="leafygreen-ui-1l06pbn">
_id
</code>
field from the output for clarity.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.graduateStudents.aggregate(\n [\n { $sort: { name: 1 } },\n { $unset: [ \"_id\" ] }\n ]\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">graduateStudents</span>.<span class="lg-highlight-title lg-highlight-function">aggregate</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">$sort</span>: <!-- -->{ <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-number">1</span> } }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">$unset</span>: <!-- -->[ <span class="lg-highlight-string">"_id"</span> ] }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
When the output is sorted, the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/sort/#mongodb-pipeline-pipe.-sort">
<code class="leafygreen-ui-1l06pbn">
$sort
</code>
</a>
stage uses the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/collation/#std-label-collation">
collation
</a>
ordering to sort uppercase letters before
lowercase letters.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"[\n { sID: 18020, name: 'Harley', year: 5, score: 2.8 },\n { sID: 17301, name: 'harley', year: 6, score: 3.1 }\n]","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">sID</span>: <span class="lg-highlight-number">18020</span>, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">'Harley'</span>, <span class="lg-highlight-attr">year</span>: <span class="lg-highlight-number">5</span>, <span class="lg-highlight-attr">score</span>: <span class="lg-highlight-number">2.8</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">sID</span>: <span class="lg-highlight-number">17301</span>, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">'harley'</span>, <span class="lg-highlight-attr">year</span>: <span class="lg-highlight-number">6</span>, <span class="lg-highlight-attr">score</span>: <span class="lg-highlight-number">3.1</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">]</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-create-view-user-roles-system-variable-medical-example">
</span>
</section>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Retrieve Medical Information for Roles Granted to the Current User
<a class="headerlink leafygreen-ui-1kepx47" href="#retrieve-medical-information-for-roles-granted-to-the-current-user" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="retrieve-medical-information-for-roles-granted-to-the-current-user">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 7.0, you can use the new
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/aggregation-variables/#mongodb-variable-variable.USER_ROLES">
<code class="leafygreen-ui-1l06pbn">
USER_ROLES
</code>
</a>
system variable to return user
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/authorization/#std-label-roles">
roles
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
The example in this section shows users with limited access to fields in
a collection containing medical information. The example uses a view
that reads the current user roles from the
<code class="leafygreen-ui-1l06pbn">
USER_ROLES
</code>
system
variable and hides fields based on the roles.
</p>
<p class="leafygreen-ui-1kp3ins">
The example creates these users:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
James
</code>
with a
<code class="leafygreen-ui-1l06pbn">
Billing
</code>
role who can access a
<code class="leafygreen-ui-1l06pbn">
creditCard
</code>
field.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
Michelle
</code>
with a
<code class="leafygreen-ui-1l06pbn">
Provider
</code>
role who can access a
<code class="leafygreen-ui-1l06pbn">
diagnosisCode
</code>
field.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
Perform the following steps to create the roles, users, collection, and
view:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"Run:","name":"Create the roles"},{"@type":"HowToStep","text":"Create users named James and Michelle with the required\nroles. Replace the test database with your database name.","name":"Create the users"},{"@type":"HowToStep","text":"Run:","name":"Create the collection"},{"@type":"HowToStep","text":"To use a system variable, add $$ to the start of the variable name.\nSpecify the USER_ROLES system variable as $$USER_ROLES.The view reads the current user roles from the USER_ROLES\nsystem variable and hides fields based on the roles.Run:The view example:includes the diagnosisCode field for a user with the\nProvider role.includes the creditCard field for a user with the\nBilling role.uses $set pipeline stages and $$REMOVE to hide fields based on whether the user who queries\nthe view has the matching role returned in\n$$USER_ROLES.role.","name":"Create the view"}],"name":"Retrieve Medical Information for Roles Granted to the Current User","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
</script>
<div class="css-4nyere eccljxs0">
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Create the roles
<a class="headerlink leafygreen-ui-1kepx47" href="#create-the-roles" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="create-the-roles">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Run:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.createRole( { role: \"Billing\", privileges: [ { resource: { db: \"test\",\n collection: \"medicalView\" }, actions: [ \"find\" ] } ], roles: [ ] } )\ndb.createRole( { role: \"Provider\", privileges: [ { resource: { db: \"test\",\n collection: \"medicalView\" }, actions: [ \"find\" ] } ], roles: [ ] } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">createRole</span>( <!-- -->{ <span class="lg-highlight-attr">role</span>: <span class="lg-highlight-string">"Billing"</span>, <span class="lg-highlight-attr">privileges</span>: <!-- -->[ <!-- -->{ <span class="lg-highlight-attr">resource</span>: <!-- -->{ <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">"test"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">collection</span>: <span class="lg-highlight-string">"medicalView"</span> }<!-- -->, <span class="lg-highlight-attr">actions</span>: <!-- -->[ <span class="lg-highlight-string">"find"</span> ] } ]<!-- -->, <span class="lg-highlight-attr">roles</span>: <!-- -->[ <!-- -->] } )</td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">createRole</span>( <!-- -->{ <span class="lg-highlight-attr">role</span>: <span class="lg-highlight-string">"Provider"</span>, <span class="lg-highlight-attr">privileges</span>: <!-- -->[ <!-- -->{ <span class="lg-highlight-attr">resource</span>: <!-- -->{ <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">"test"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">collection</span>: <span class="lg-highlight-string">"medicalView"</span> }<!-- -->, <span class="lg-highlight-attr">actions</span>: <!-- -->[ <span class="lg-highlight-string">"find"</span> ] } ]<!-- -->, <span class="lg-highlight-attr">roles</span>: <!-- -->[ <!-- -->] } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Create the users
<a class="headerlink leafygreen-ui-1kepx47" href="#create-the-users" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="create-the-users">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Create users named
<code class="leafygreen-ui-1l06pbn">
James
</code>
and
<code class="leafygreen-ui-1l06pbn">
Michelle
</code>
with the required
roles. Replace the
<code class="leafygreen-ui-1l06pbn">
test
</code>
database with your database name.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.createUser( {\n user: \"James\",\n pwd: \"js008\",\n roles: [\n { role: \"Billing\", db: \"test\" }\n ]\n} )\n\ndb.createUser( {\n user: \"Michelle\",\n pwd: \"me009\",\n roles: [\n { role: \"Provider\", db: \"test\" }\n ]\n} )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">createUser</span>( <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">user</span>: <span class="lg-highlight-string">"James"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">pwd</span>: <span class="lg-highlight-string">"js008"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">roles</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">role</span>: <span class="lg-highlight-string">"Billing"</span>, <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">"test"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">} )</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">createUser</span>( <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">user</span>: <span class="lg-highlight-string">"Michelle"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">pwd</span>: <span class="lg-highlight-string">"me009"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">roles</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">role</span>: <span class="lg-highlight-string">"Provider"</span>, <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">"test"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">} )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
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<div class="leafygreen-ui-xhlipt">
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</div>
</button>
</div>
</div>
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</div>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
3
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Create the collection
<a class="headerlink leafygreen-ui-1kepx47" href="#create-the-collection" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="create-the-collection">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Run:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.medical.insertMany( [\n {\n _id: 0,\n patientName: \"Jack Jones\",\n diagnosisCode: \"CAS 17\",\n creditCard: \"1234-5678-9012-3456\"\n },\n {\n _id: 1,\n patientName: \"Mary Smith\",\n diagnosisCode: \"ACH 01\",\n creditCard: \"6541-7534-9637-3456\"\n }\n] )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">medical</span>.<span class="lg-highlight-title lg-highlight-function">insertMany</span>( <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">0</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">patientName</span>: <span class="lg-highlight-string">"Jack Jones"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">diagnosisCode</span>: <span class="lg-highlight-string">"CAS 17"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">creditCard</span>: <span class="lg-highlight-string">"1234-5678-9012-3456"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">patientName</span>: <span class="lg-highlight-string">"Mary Smith"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">diagnosisCode</span>: <span class="lg-highlight-string">"ACH 01"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">creditCard</span>: <span class="lg-highlight-string">"6541-7534-9637-3456"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">] )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</div>
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</div>
</div>
</div>
</div>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
4
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Create the view
<a class="headerlink leafygreen-ui-1kepx47" href="#create-the-view" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="create-the-view">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
To use a system variable, add
<code class="leafygreen-ui-1l06pbn">
$$
</code>
to the start of the variable name.
Specify the
<code class="leafygreen-ui-1l06pbn">
USER_ROLES
</code>
system variable as
<code class="leafygreen-ui-1l06pbn">
$$USER_ROLES
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
The view reads the current user roles from the
<code class="leafygreen-ui-1l06pbn">
USER_ROLES
</code>
system variable and hides fields based on the roles.
</p>
<p class="leafygreen-ui-1kp3ins">
Run:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.createView(\n \"medicalView\", \"medical\",\n [ {\n $set: {\n \"diagnosisCode\": {\n $cond: {\n if: { $in: [\n \"Provider\", \"$$USER_ROLES.role\"\n ] },\n then: \"$diagnosisCode\",\n else: \"$$REMOVE\"\n }\n }\n },\n }, {\n $set: {\n \"creditCard\": {\n $cond: {\n if: { $in: [\n \"Billing\", \"$$USER_ROLES.role\"\n ] },\n then: \"$creditCard\",\n else: \"$$REMOVE\"\n }\n }\n }\n } ]\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">createView</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"medicalView"</span>, <span class="lg-highlight-string">"medical"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->[ <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$set</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"diagnosisCode"</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$cond</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">if</span>: <!-- -->{ <span class="lg-highlight-attr">$in</span>: <!-- -->[</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"Provider"</span>, <span class="lg-highlight-string">"$$USER_ROLES.role"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ] }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">then</span>: <span class="lg-highlight-string">"$diagnosisCode"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">else</span>: <span class="lg-highlight-string">"$$REMOVE"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->, <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$set</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"creditCard"</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$cond</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">if</span>: <!-- -->{ <span class="lg-highlight-attr">$in</span>: <!-- -->[</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"Billing"</span>, <span class="lg-highlight-string">"$$USER_ROLES.role"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ] }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">then</span>: <span class="lg-highlight-string">"$creditCard"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">else</span>: <span class="lg-highlight-string">"$$REMOVE"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> } ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
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<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The view example:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
includes the
<code class="leafygreen-ui-1l06pbn">
diagnosisCode
</code>
field for a user with the
<code class="leafygreen-ui-1l06pbn">
Provider
</code>
role.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
includes the
<code class="leafygreen-ui-1l06pbn">
creditCard
</code>
field for a user with the
<code class="leafygreen-ui-1l06pbn">
Billing
</code>
role.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
uses
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/set/#mongodb-pipeline-pipe.-set">
<code class="leafygreen-ui-1l06pbn">
$set
</code>
</a>
pipeline stages and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/aggregation-variables/#mongodb-variable-variable.REMOVE">
<code class="leafygreen-ui-1l06pbn">
$$REMOVE
</code>
</a>
to hide fields based on whether the user who queries
the view has the matching role returned in
<code class="leafygreen-ui-1l06pbn">
$$USER_ROLES.role
</code>
.
</p>
</li>
</ul>
</section>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Perform the following steps to retrieve the information accessible to
<code class="leafygreen-ui-1l06pbn">
James
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"Run:","name":"Log in as James"},{"@type":"HowToStep","text":"Run:","name":"Retrieve the documents"},{"@type":"HowToStep","text":"James has the Billing role and sees the following\ndocuments, which include the creditCard field but not the\ndiagnosisCode field:","name":"Examine the documents"}],"name":"Retrieve Medical Information for Roles Granted to the Current User","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
</script>
<div class="css-4nyere eccljxs0">
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Log in as James
<a class="headerlink leafygreen-ui-1kepx47" href="#log-in-as-james" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="log-in-as-james">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Run:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.auth( \"James\", \"js008\" )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">auth</span>( <span class="lg-highlight-string">"James"</span>, <span class="lg-highlight-string">"js008"</span> )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Retrieve the documents
<a class="headerlink leafygreen-ui-1kepx47" href="#retrieve-the-documents" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="retrieve-the-documents">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Run:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.medicalView.find()","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">medicalView</span>.<span class="lg-highlight-title lg-highlight-function">find</span>(<!-- -->)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
3
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Examine the documents
<a class="headerlink leafygreen-ui-1kepx47" href="#examine-the-documents" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="examine-the-documents">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
James
</code>
has the
<code class="leafygreen-ui-1l06pbn">
Billing
</code>
role and sees the following
documents, which include the
<code class="leafygreen-ui-1l06pbn">
creditCard
</code>
field but not the
<code class="leafygreen-ui-1l06pbn">
diagnosisCode
</code>
field:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"[\n {\n _id: 0, patientName: 'Jack Jones',\n creditCard: '1234-5678-9012-3456'\n },\n {\n _id: 1, patientName: 'Mary Smith',\n creditCard: '6541-7534-9637-3456'\n }\n]","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">0</span>, <span class="lg-highlight-attr">patientName</span>: <span class="lg-highlight-string">'Jack Jones'</span>,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">creditCard</span>: <span class="lg-highlight-string">'1234-5678-9012-3456'</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">patientName</span>: <span class="lg-highlight-string">'Mary Smith'</span>,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">creditCard</span>: <span class="lg-highlight-string">'6541-7534-9637-3456'</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">]</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</section>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Perform the following steps to retrieve the information accessible to
<code class="leafygreen-ui-1l06pbn">
Michelle
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"Run:","name":"Log in as Michelle"},{"@type":"HowToStep","text":"Run:","name":"Retrieve the documents"},{"@type":"HowToStep","text":"Michelle has the Provider role and sees the following\ndocuments, which include the diagnosisCode field but not the\ncreditCard field:","name":"Examine the documents"}],"name":"Retrieve Medical Information for Roles Granted to the Current User","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
</script>
<div class="css-4nyere eccljxs0">
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Log in as Michelle
<a class="headerlink leafygreen-ui-1kepx47" href="#log-in-as-michelle" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="log-in-as-michelle">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Run:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.auth( \"Michelle\", \"me009\" )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">auth</span>( <span class="lg-highlight-string">"Michelle"</span>, <span class="lg-highlight-string">"me009"</span> )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Retrieve the documents
<a class="headerlink leafygreen-ui-1kepx47" href="#retrieve-the-documents-1" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="retrieve-the-documents-1">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Run:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.medicalView.find()","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">medicalView</span>.<span class="lg-highlight-title lg-highlight-function">find</span>(<!-- -->)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
3
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Examine the documents
<a class="headerlink leafygreen-ui-1kepx47" href="#examine-the-documents-1" title="Permalink to this heading">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="examine-the-documents-1">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
Michelle
</code>
has the
<code class="leafygreen-ui-1l06pbn">
Provider
</code>
role and sees the following
documents, which include the
<code class="leafygreen-ui-1l06pbn">
diagnosisCode
</code>
field but not the
<code class="leafygreen-ui-1l06pbn">
creditCard
</code>
field:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"[\n { _id: 0, patientName: 'Jack Jones',\n diagnosisCode: 'CAS 17' },\n { _id: 1, patientName: 'Mary Smith',\n diagnosisCode: 'ACH 01' }\n]","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">0</span>, <span class="lg-highlight-attr">patientName</span>: <span class="lg-highlight-string">'Jack Jones'</span>,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">diagnosisCode</span>: <span class="lg-highlight-string">'CAS 17'</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">patientName</span>: <span class="lg-highlight-string">'Mary Smith'</span>,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">diagnosisCode</span>: <span class="lg-highlight-string">'ACH 01'</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">]</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</section>
</div>
</div>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-create-view-user-roles-system-variable-example">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Retrieve Budget Documents for Roles Granted to the Current User
<a class="headerlink leafygreen-ui-1kepx47" href="#retrieve-budget-documents-for-roles-granted-to-the-current-user" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="retrieve-budget-documents-for-roles-granted-to-the-current-user">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 7.0, you can use the new
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/aggregation-variables/#mongodb-variable-variable.USER_ROLES">
<code class="leafygreen-ui-1l06pbn">
USER_ROLES
</code>
</a>
system variable to return user
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/authorization/#std-label-roles">
roles
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
The scenario in this section shows users with various roles who have
limited access to documents in a collection containing budget
information.
</p>
<p class="leafygreen-ui-1kp3ins">
The scenario shows one possible use of
<code class="leafygreen-ui-1l06pbn">
USER_ROLES
</code>
. The
<code class="leafygreen-ui-1l06pbn">
budget
</code>
collection contains documents with a field named
<code class="leafygreen-ui-1l06pbn">
allowedRoles
</code>
. As
you'll see in the following scenario, you can write queries that compare
the user roles found in the
<code class="leafygreen-ui-1l06pbn">
allowedRoles
</code>
field with the roles
returned by the
<code class="leafygreen-ui-1l06pbn">
USER_ROLES
</code>
system variable.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
For another
<code class="leafygreen-ui-1l06pbn">
USER_ROLES
</code>
example scenario, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-create-view-user-roles-system-variable-medical-example" target="_self">
<span>
Retrieve Medical Information for Roles Granted to the Current User
</span>
</a>
. That
example doesn't store the user roles in the document fields, as is
done in the following example.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For the budget scenario in this section, perform the following steps to
create the roles, users, and
<code class="leafygreen-ui-1l06pbn">
budget
</code>
collection:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"Run:","name":"Create the roles"},{"@type":"HowToStep","text":"Create users named John and Jane with the required roles.\nReplace the test database with your database name.","name":"Create the users"},{"@type":"HowToStep","text":"Run:","name":"Create the collection"}],"name":"Retrieve Budget Documents for Roles Granted to the Current User","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
</script>
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<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Create the roles
<a class="headerlink leafygreen-ui-1kepx47" href="#create-the-roles-1" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="create-the-roles-1">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Run:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.createRole( { role: \"Marketing\", roles: [], privileges: [] } )\ndb.createRole( { role: \"Sales\", roles: [], privileges: [] } )\ndb.createRole( { role: \"Development\", roles: [], privileges: [] } )\ndb.createRole( { role: \"Operations\", roles: [], privileges: [] } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">createRole</span>( <!-- -->{ <span class="lg-highlight-attr">role</span>: <span class="lg-highlight-string">"Marketing"</span>, <span class="lg-highlight-attr">roles</span>: <!-- -->[<!-- -->]<!-- -->, <span class="lg-highlight-attr">privileges</span>: <!-- -->[<!-- -->] } )</td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">createRole</span>( <!-- -->{ <span class="lg-highlight-attr">role</span>: <span class="lg-highlight-string">"Sales"</span>, <span class="lg-highlight-attr">roles</span>: <!-- -->[<!-- -->]<!-- -->, <span class="lg-highlight-attr">privileges</span>: <!-- -->[<!-- -->] } )</td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">createRole</span>( <!-- -->{ <span class="lg-highlight-attr">role</span>: <span class="lg-highlight-string">"Development"</span>, <span class="lg-highlight-attr">roles</span>: <!-- -->[<!-- -->]<!-- -->, <span class="lg-highlight-attr">privileges</span>: <!-- -->[<!-- -->] } )</td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">createRole</span>( <!-- -->{ <span class="lg-highlight-attr">role</span>: <span class="lg-highlight-string">"Operations"</span>, <span class="lg-highlight-attr">roles</span>: <!-- -->[<!-- -->]<!-- -->, <span class="lg-highlight-attr">privileges</span>: <!-- -->[<!-- -->] } )</td></tr></tbody></table></code></pre>
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</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Create the users
<a class="headerlink leafygreen-ui-1kepx47" href="#create-the-users-1" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="create-the-users-1">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Create users named
<code class="leafygreen-ui-1l06pbn">
John
</code>
and
<code class="leafygreen-ui-1l06pbn">
Jane
</code>
with the required roles.
Replace the
<code class="leafygreen-ui-1l06pbn">
test
</code>
database with your database name.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.createUser( {\n user: \"John\",\n pwd: \"jn008\",\n roles: [\n { role: \"Marketing\", db: \"test\" },\n { role: \"Development\", db: \"test\" },\n { role: \"Operations\", db: \"test\" },\n { role: \"read\", db: \"test\" }\n ]\n} )\n\ndb.createUser( {\n user: \"Jane\",\n pwd: \"je009\",\n roles: [\n { role: \"Sales\", db: \"test\" },\n { role: \"Operations\", db: \"test\" },\n { role: \"read\", db: \"test\" }\n ]\n} )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">createUser</span>( <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">user</span>: <span class="lg-highlight-string">"John"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">pwd</span>: <span class="lg-highlight-string">"jn008"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">roles</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">role</span>: <span class="lg-highlight-string">"Marketing"</span>, <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">"test"</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">role</span>: <span class="lg-highlight-string">"Development"</span>, <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">"test"</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">role</span>: <span class="lg-highlight-string">"Operations"</span>, <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">"test"</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">role</span>: <span class="lg-highlight-string">"read"</span>, <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">"test"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">} )</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">createUser</span>( <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">user</span>: <span class="lg-highlight-string">"Jane"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">pwd</span>: <span class="lg-highlight-string">"je009"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">roles</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">role</span>: <span class="lg-highlight-string">"Sales"</span>, <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">"test"</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">role</span>: <span class="lg-highlight-string">"Operations"</span>, <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">"test"</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">role</span>: <span class="lg-highlight-string">"read"</span>, <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">"test"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">} )</td></tr></tbody></table></code></pre>
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<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
3
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Create the collection
<a class="headerlink leafygreen-ui-1kepx47" href="#create-the-collection-1" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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</svg>
<div class="css-1btu0w3 evvkmar0" id="create-the-collection-1">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Run:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.budget.insertMany( [\n {\n _id: 0,\n allowedRoles: [ \"Marketing\" ],\n comment: \"For marketing team\",\n yearlyBudget: 15000\n },\n {\n _id: 1,\n allowedRoles: [ \"Sales\" ],\n comment: \"For sales team\",\n yearlyBudget: 17000,\n salesEventsBudget: 1000\n },\n {\n _id: 2,\n allowedRoles: [ \"Operations\" ],\n comment: \"For operations team\",\n yearlyBudget: 19000,\n cloudBudget: 12000\n },\n {\n _id: 3,\n allowedRoles: [ \"Development\" ],\n comment: \"For development team\",\n yearlyBudget: 27000\n }\n] )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">budget</span>.<span class="lg-highlight-title lg-highlight-function">insertMany</span>( <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">0</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">allowedRoles</span>: <!-- -->[ <span class="lg-highlight-string">"Marketing"</span> ]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">comment</span>: <span class="lg-highlight-string">"For marketing team"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">yearlyBudget</span>: <span class="lg-highlight-number">15000</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">allowedRoles</span>: <!-- -->[ <span class="lg-highlight-string">"Sales"</span> ]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">comment</span>: <span class="lg-highlight-string">"For sales team"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">yearlyBudget</span>: <span class="lg-highlight-number">17000</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">salesEventsBudget</span>: <span class="lg-highlight-number">1000</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">2</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">allowedRoles</span>: <!-- -->[ <span class="lg-highlight-string">"Operations"</span> ]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">comment</span>: <span class="lg-highlight-string">"For operations team"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">yearlyBudget</span>: <span class="lg-highlight-number">19000</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">cloudBudget</span>: <span class="lg-highlight-number">12000</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">3</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">allowedRoles</span>: <!-- -->[ <span class="lg-highlight-string">"Development"</span> ]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">comment</span>: <span class="lg-highlight-string">"For development team"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">yearlyBudget</span>: <span class="lg-highlight-number">27000</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">] )</td></tr></tbody></table></code></pre>
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</div>
<p class="leafygreen-ui-1kp3ins">
Perform the following steps to create a view and retrieve the documents
accessible to
<code class="leafygreen-ui-1l06pbn">
John
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"To use a system variable, add $$ to the start of the variable name.\nSpecify the USER_ROLES system variable as $$USER_ROLES.Run:If you cannot create the view, ensure you log in as a user with\nthe privilege to create a view.The previous example returns the documents from the budget\ncollection that match at least one of the roles that the user who runs\nthe example has. To do that, the example uses\n$setIntersection to return documents where the\nintersection between the budget document allowedRoles field and\nthe set of user roles from $$USER_ROLES is not empty.","name":"Create the view"},{"@type":"HowToStep","text":"Run:","name":"Log in as John"},{"@type":"HowToStep","text":"Run:","name":"Retrieve the documents"},{"@type":"HowToStep","text":"John has the Marketing, Operations, and Development\nroles, and sees these documents:","name":"Examine the documents"}],"name":"Retrieve Budget Documents for Roles Granted to the Current User","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
</script>
<div class="css-4nyere eccljxs0">
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Create the view
<a class="headerlink leafygreen-ui-1kepx47" href="#create-the-view-1" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="create-the-view-1">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
To use a system variable, add
<code class="leafygreen-ui-1l06pbn">
$$
</code>
to the start of the variable name.
Specify the
<code class="leafygreen-ui-1l06pbn">
USER_ROLES
</code>
system variable as
<code class="leafygreen-ui-1l06pbn">
$$USER_ROLES
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
Run:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.createView(\n \"budgetView\", \"budget\",\n [ {\n $match: {\n $expr: {\n $not: {\n $eq: [ { $setIntersection: [ \"$allowedRoles\", \"$$USER_ROLES.role\" ] }, [] ]\n }\n }\n }\n } ]\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">createView</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"budgetView"</span>, <span class="lg-highlight-string">"budget"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->[ <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$match</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$expr</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$not</span>: <!-- -->{</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$eq</span>: <!-- -->[ <!-- -->{ <span class="lg-highlight-attr">$setIntersection</span>: <!-- -->[ <span class="lg-highlight-string">"$allowedRoles"</span>, <span class="lg-highlight-string">"$$USER_ROLES.role"</span> ] }<!-- -->, <!-- -->[<!-- -->] ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> } ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
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</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
If you cannot create the view, ensure you log in as a user with
the privilege to create a view.
</p>
<p class="leafygreen-ui-1kp3ins">
The previous example returns the documents from the
<code class="leafygreen-ui-1l06pbn">
budget
</code>
collection that match at least one of the roles that the user who runs
the example has. To do that, the example uses
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/setIntersection/#mongodb-expression-exp.-setIntersection">
<code class="leafygreen-ui-1l06pbn">
$setIntersection
</code>
</a>
to return documents where the
intersection between the
<code class="leafygreen-ui-1l06pbn">
budget
</code>
document
<code class="leafygreen-ui-1l06pbn">
allowedRoles
</code>
field and
the set of user roles from
<code class="leafygreen-ui-1l06pbn">
$$USER_ROLES
</code>
is not empty.
</p>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Log in as John
<a class="headerlink leafygreen-ui-1kepx47" href="#log-in-as-john" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="log-in-as-john">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Run:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.auth( \"John\", \"jn008\" )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">auth</span>( <span class="lg-highlight-string">"John"</span>, <span class="lg-highlight-string">"jn008"</span> )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
3
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Retrieve the documents
<a class="headerlink leafygreen-ui-1kepx47" href="#retrieve-the-documents-2" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="retrieve-the-documents-2">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Run:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.budgetView.find()","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">budgetView</span>.<span class="lg-highlight-title lg-highlight-function">find</span>(<!-- -->)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
4
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Examine the documents
<a class="headerlink leafygreen-ui-1kepx47" href="#examine-the-documents-2" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="examine-the-documents-2">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
John
</code>
has the
<code class="leafygreen-ui-1l06pbn">
Marketing
</code>
,
<code class="leafygreen-ui-1l06pbn">
Operations
</code>
, and
<code class="leafygreen-ui-1l06pbn">
Development
</code>
roles, and sees these documents:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"[\n {\n _id: 0,\n allowedRoles: [ 'Marketing' ],\n comment: 'For marketing team',\n yearlyBudget: 15000\n },\n {\n _id: 2,\n allowedRoles: [ 'Operations' ],\n comment: 'For operations team',\n yearlyBudget: 19000,\n cloudBudget: 12000\n },\n {\n _id: 3,\n allowedRoles: [ 'Development' ],\n comment: 'For development team',\n yearlyBudget: 27000\n }\n]","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">0</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">allowedRoles</span>: <!-- -->[ <span class="lg-highlight-string">'Marketing'</span> ]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">comment</span>: <span class="lg-highlight-string">'For marketing team'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">yearlyBudget</span>: <span class="lg-highlight-number">15000</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">2</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">allowedRoles</span>: <!-- -->[ <span class="lg-highlight-string">'Operations'</span> ]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">comment</span>: <span class="lg-highlight-string">'For operations team'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">yearlyBudget</span>: <span class="lg-highlight-number">19000</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">cloudBudget</span>: <span class="lg-highlight-number">12000</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">3</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">allowedRoles</span>: <!-- -->[ <span class="lg-highlight-string">'Development'</span> ]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">comment</span>: <span class="lg-highlight-string">'For development team'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">yearlyBudget</span>: <span class="lg-highlight-number">27000</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">]</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</section>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Perform the following steps to retrieve the documents accessible to
Jane:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"Run:","name":"Log in as Jane"},{"@type":"HowToStep","text":"Run:","name":"Retrieve the documents"},{"@type":"HowToStep","text":"Jane has the Sales and Operations roles, and sees these\ndocuments:On a sharded cluster, a query can be run on a shard by another server\nnode on behalf of the user. In those queries, USER_ROLES is still\npopulated with the roles for the user.","name":"Examine the documents"}],"name":"Retrieve Budget Documents for Roles Granted to the Current User","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
</script>
<div class="css-4nyere eccljxs0">
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Log in as
<code class="leafygreen-ui-1l06pbn">
Jane
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#log-in-as-jane" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="log-in-as-jane">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Run:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.auth( \"Jane\", \"je009\" )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">auth</span>( <span class="lg-highlight-string">"Jane"</span>, <span class="lg-highlight-string">"je009"</span> )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Retrieve the documents
<a class="headerlink leafygreen-ui-1kepx47" href="#retrieve-the-documents-3" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="retrieve-the-documents-3">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Run:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.budgetView.find()","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">budgetView</span>.<span class="lg-highlight-title lg-highlight-function">find</span>(<!-- -->)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
3
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Examine the documents
<a class="headerlink leafygreen-ui-1kepx47" href="#examine-the-documents-3" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="examine-the-documents-3">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
Jane
</code>
has the
<code class="leafygreen-ui-1l06pbn">
Sales
</code>
and
<code class="leafygreen-ui-1l06pbn">
Operations
</code>
roles, and sees these
documents:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"[\n {\n _id: 1,\n allowedRoles: [ 'Sales' ],\n comment: 'For sales team',\n yearlyBudget: 17000,\n salesEventsBudget: 1000\n },\n {\n _id: 2,\n allowedRoles: [ 'Operations' ],\n comment: 'For operations team',\n yearlyBudget: 19000,\n cloudBudget: 12000\n }\n]","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">allowedRoles</span>: <!-- -->[ <span class="lg-highlight-string">'Sales'</span> ]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">comment</span>: <span class="lg-highlight-string">'For sales team'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">yearlyBudget</span>: <span class="lg-highlight-number">17000</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">salesEventsBudget</span>: <span class="lg-highlight-number">1000</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">2</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">allowedRoles</span>: <!-- -->[ <span class="lg-highlight-string">'Operations'</span> ]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">comment</span>: <span class="lg-highlight-string">'For operations team'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">yearlyBudget</span>: <span class="lg-highlight-number">19000</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">cloudBudget</span>: <span class="lg-highlight-number">12000</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">]</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
On a sharded cluster, a query can be run on a shard by another server
node on behalf of the user. In those queries,
<code class="leafygreen-ui-1l06pbn">
USER_ROLES
</code>
is still
populated with the roles for the user.
</p>
</div>
</div>
</section>
</div>
</div>
</div>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Roles with the Same Name in Multiple Databases
<a class="headerlink leafygreen-ui-1kepx47" href="#roles-with-the-same-name-in-multiple-databases" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="roles-with-the-same-name-in-multiple-databases">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Multiple databases can have roles with the same name. If you create a
view and reference a specific role in the view, you should either
specify both the
<code class="leafygreen-ui-1l06pbn">
db
</code>
database name field and the
<code class="leafygreen-ui-1l06pbn">
role
</code>
field, or
specify the
<code class="leafygreen-ui-1l06pbn">
_id
</code>
field that contains the database name and the role.
</p>
<p class="leafygreen-ui-1kp3ins">
The following example returns the roles assigned to
<code class="leafygreen-ui-1l06pbn">
Jane
</code>
, who has
roles with different names. The example returns the
<code class="leafygreen-ui-1l06pbn">
_id
</code>
,
<code class="leafygreen-ui-1l06pbn">
role
</code>
,
and
<code class="leafygreen-ui-1l06pbn">
db
</code>
database name:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"Run:","name":"Log in as Jane"},{"@type":"HowToStep","text":"Run:","name":"Retrieve the documents"},{"@type":"HowToStep","text":"Example output, which shows the _id, role, and db\ndatabase name in the myRoles array:","name":"Examine the documents"}],"name":"Roles with the Same Name in Multiple Databases","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
</script>
<div class="css-4nyere eccljxs0">
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Log in as
<code class="leafygreen-ui-1l06pbn">
Jane
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#log-in-as-jane-1" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="log-in-as-jane-1">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Run:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.auth( \"Jane\", \"je009\" )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">auth</span>( <span class="lg-highlight-string">"Jane"</span>, <span class="lg-highlight-string">"je009"</span> )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Retrieve the documents
<a class="headerlink leafygreen-ui-1kepx47" href="#retrieve-the-documents-4" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="retrieve-the-documents-4">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Run:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.budget.findOne( {}, { myRoles: \"$$USER_ROLES\" } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">budget</span>.<span class="lg-highlight-title lg-highlight-function">findOne</span>( <!-- -->{<!-- -->}<!-- -->, <!-- -->{ <span class="lg-highlight-attr">myRoles</span>: <span class="lg-highlight-string">"$$USER_ROLES"</span> } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
3
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Examine the documents
<a class="headerlink leafygreen-ui-1kepx47" href="#examine-the-documents-4" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="examine-the-documents-4">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Example output, which shows the
<code class="leafygreen-ui-1l06pbn">
_id
</code>
,
<code class="leafygreen-ui-1l06pbn">
role
</code>
, and
<code class="leafygreen-ui-1l06pbn">
db
</code>
database name in the
<code class="leafygreen-ui-1l06pbn">
myRoles
</code>
array:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n _id: 0,\n myRoles: [\n { _id: 'test.Operations', role: 'Operations', db: 'test' },\n { _id: 'test.Sales', role: 'Sales', db: 'test' },\n { _id: 'test.read', role: 'read', db: 'test' }\n ]\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-tyg50d">
<pre class="leafygreen-ui-1453az5" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">0</span>,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">myRoles</span>: <!-- -->[</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-string">'test.Operations'</span>, <span class="lg-highlight-attr">role</span>: <span class="lg-highlight-string">'Operations'</span>, <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">'test'</span> }<!-- -->,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-string">'test.Sales'</span>, <span class="lg-highlight-attr">role</span>: <span class="lg-highlight-string">'Sales'</span>, <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">'test'</span> }<!-- -->,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-string">'test.read'</span>, <span class="lg-highlight-attr">role</span>: <span class="lg-highlight-string">'read'</span>, <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">'test'</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</section>
</div>
</div>
</div>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Behavior
<a class="headerlink leafygreen-ui-1kepx47" href="#behavior" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="behavior">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The following sections describe the behaviors of view creation and
queries.
</p>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Aggregation Optimizations
<a class="headerlink leafygreen-ui-1kepx47" href="#aggregation-optimizations" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="aggregation-optimizations">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
When you query a view:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Query
<code class="leafygreen-ui-1l06pbn">
filter
</code>
,
<code class="leafygreen-ui-1l06pbn">
projection
</code>
,
<code class="leafygreen-ui-1l06pbn">
sort
</code>
,
<code class="leafygreen-ui-1l06pbn">
skip
</code>
,
<code class="leafygreen-ui-1l06pbn">
limit
</code>
,
and other operations for
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.collection.find/#mongodb-method-db.collection.find">
<code class="leafygreen-ui-1l06pbn">
db.collection.find()
</code>
</a>
are
converted to the equivalent
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation-pipeline/#std-label-aggregation-pipeline-operator-reference">
aggregation pipeline stages
<!-- -->
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
MongoDB appends the client query to the underlying pipeline and
returns the results of that combined pipeline to the client. MongoDB
may apply
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/aggregation-pipeline-optimization/#std-label-agg-pipeline-optimization">
aggregation pipeline optimizations
</a>
to the combined pipeline.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The aggregation pipeline optimizer reshapes the view aggregation
pipeline stages to improve performance. The optimization does not
change the query results.
</p>
</li>
</ul>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Resource Locking
<a class="headerlink leafygreen-ui-1kepx47" href="#resource-locking" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="resource-locking">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.createView/#mongodb-method-db.createView">
<code class="leafygreen-ui-1l06pbn">
db.createView()
</code>
</a>
obtains an exclusive lock on the
specified collection or view for the duration of the operation. All
subsequent operations on the collection must wait until
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.createView/#mongodb-method-db.createView">
<code class="leafygreen-ui-1l06pbn">
db.createView()
</code>
</a>
releases the lock.
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.createView/#mongodb-method-db.createView">
<code class="leafygreen-ui-1l06pbn">
db.createView()
</code>
</a>
typically holds
this lock for a short time.
</p>
<p class="leafygreen-ui-1kp3ins">
Creating a view requires obtaining an additional exclusive lock
on the
<code class="leafygreen-ui-1l06pbn">
system.views
</code>
collection in the database. This lock blocks
creation or modification of views in the database until the command
completes.
</p>
</section>
</section>
</section>
|
https://www.mongodb.com/docs/manual/release-notes/8.0-upgrade-standalone/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Upgrade a Standalone to 8.0
<a class="headerlink leafygreen-ui-1kepx47" href="#upgrade-a-standalone-to-8.0" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="upgrade-a-standalone-to-8.0">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#upgrade-recommendations-and-checklists" target="_self">
<span>
Upgrade Recommendations and Checklists
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#prerequisites" target="_self">
<span>
Prerequisites
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#download-newversion-binaries" target="_self">
<span>
Download
<!-- -->
8.0
<!-- -->
Binaries
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#upgrade-procedure" target="_self">
<span>
Upgrade Procedure
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#additional-upgrade-procedures" target="_self">
<span>
Additional Upgrade Procedures
</span>
</a>
</li>
</ul>
</div>
<p class="leafygreen-ui-1kp3ins">
Familiarize yourself with the content of this document, including
thoroughly reviewing the prerequisites, prior to upgrading to MongoDB
8.0.
</p>
<p class="leafygreen-ui-1kp3ins">
The following steps outline the procedure to upgrade a standalone
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
from version
<!-- -->
7.0
<!-- -->
to
<!-- -->
8.0
<!-- -->
.
</p>
<p class="leafygreen-ui-1kp3ins">
If you need guidance on upgrading to
<!-- -->
8.0
<!-- -->
,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/products/consulting?tck=docs_server" target="_self">
<span>
MongoDB
professional services
</span>
</a>
offer major version upgrade support to help ensure a smooth transition
without interruption to your MongoDB application.
</p>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Upgrade Recommendations and Checklists
<a class="headerlink leafygreen-ui-1kepx47" href="#upgrade-recommendations-and-checklists" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="upgrade-recommendations-and-checklists">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
When upgrading, consider the following:
</p>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Upgrade Version Path
<a class="headerlink leafygreen-ui-1kepx47" href="#upgrade-version-path" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="upgrade-version-path">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To upgrade an existing MongoDB deployment to
<!-- -->
8.0
<!-- -->
, you must be
running a
<!-- -->
7.0-series
<!-- -->
release.
</p>
<p class="leafygreen-ui-1kp3ins">
To upgrade from a version earlier than the
<!-- -->
7.0-series
<!-- -->
, you must
successively upgrade major releases until you have upgraded to
<!-- -->
7.0-series
<!-- -->
. For example, if you are running a
<!-- -->
6.0-series
<!-- -->
, you must
<a class="leafygreen-ui-tqgtui" href="/docs/manual/release-notes/7.0/#std-label-7.0-upgrade">
upgrade first to 7.0
</a>
<em>
before
</em>
you can upgrade to
<!-- -->
8.0
<!-- -->
.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Check Driver Compatibility
<a class="headerlink leafygreen-ui-1kepx47" href="#check-driver-compatibility" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="check-driver-compatibility">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Before you upgrade MongoDB, check that you're using a MongoDB
<!-- -->
8.0
<!-- -->
-compatible driver. Consult the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/drivers/" target="_self">
<span>
driver documentation
</span>
</a>
for your specific driver to verify
compatibility with MongoDB
<!-- -->
8.0
<!-- -->
.
</p>
<p class="leafygreen-ui-1kp3ins">
Upgraded deployments that run on incompatible drivers might encounter
unexpected or undefined behavior.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Preparedness
<a class="headerlink leafygreen-ui-1kepx47" href="#preparedness" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="preparedness">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Before beginning your upgrade, see the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/release-notes/8.0-compatibility/#std-label-8.0-compatibility">
Compatibility Changes in MongoDB 8.0
</a>
document to
ensure that your applications and deployments are compatible with
MongoDB
<!-- -->
8.0
<!-- -->
. Resolve the incompatibilities in your deployment
before starting the upgrade.
</p>
<p class="leafygreen-ui-1kp3ins">
Before upgrading MongoDB, always test your application in a staging
environment before deploying the upgrade to your production
environment.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Downgrade Consideration
<a class="headerlink leafygreen-ui-1kepx47" href="#downgrade-consideration" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="downgrade-consideration">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
You cannot downgrade your deployment's binary version without assistance from
support.
</p>
<p class="leafygreen-ui-1kp3ins">
To learn more, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/release-notes/8.0-downgrade/#std-label-8.0-downgrade">
Downgrade
<!-- -->
8.0
<!-- -->
to
<!-- -->
7.0
<!-- -->
.
</a>
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Prerequisites
<a class="headerlink leafygreen-ui-1kepx47" href="#prerequisites" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="prerequisites">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Feature Compatibility Version
<a class="headerlink leafygreen-ui-1kepx47" href="#feature-compatibility-version" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="feature-compatibility-version">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The
<!-- -->
7.0
<!-- -->
instance must have
<code class="leafygreen-ui-1l06pbn">
featureCompatibilityVersion
</code>
set
to
<code class="leafygreen-ui-1l06pbn">
"7.0"
</code>
. To check
<code class="leafygreen-ui-1l06pbn">
featureCompatibilityVersion
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.adminCommand( { getParameter: 1, featureCompatibilityVersion: 1 } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">adminCommand</span>( <!-- -->{ <span class="lg-highlight-attr">getParameter</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">featureCompatibilityVersion</span>: <span class="lg-highlight-number">1</span> } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The operation should return a result that includes
<code class="leafygreen-ui-1l06pbn">
"featureCompatibilityVersion" : { "version" : "7.0" }
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
To set or update
<code class="leafygreen-ui-1l06pbn">
featureCompatibilityVersion
</code>
, run the following
command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.adminCommand( { setFeatureCompatibilityVersion: \"7.0\" } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">adminCommand</span>( <!-- -->{ <span class="lg-highlight-attr">setFeatureCompatibilityVersion</span>: <span class="lg-highlight-string">"7.0"</span> } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For more information, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/setFeatureCompatibilityVersion/#mongodb-dbcommand-dbcmd.setFeatureCompatibilityVersion">
<code class="leafygreen-ui-1l06pbn">
setFeatureCompatibilityVersion
</code>
.
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Consider Converting to Replica Set
<a class="headerlink leafygreen-ui-1kepx47" href="#consider-converting-to-replica-set" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="consider-converting-to-replica-set">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Prior to upgrading, consider
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/convert-standalone-to-replica-set/#std-label-server-replica-set-deploy-convert">
converting your standalone deployment to a replica set
</a>
. Replica sets are the
recommended deployment configuration for MongoDB.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Download
<!-- -->
8.0
<!-- -->
Binaries
<a class="headerlink leafygreen-ui-1kepx47" href="#download-newversion-binaries" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="download-newversion-binaries">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Via Package Manager
<a class="headerlink leafygreen-ui-1kepx47" href="#via-package-manager" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="via-package-manager">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
If you installed MongoDB from the MongoDB
<code class="leafygreen-ui-1l06pbn">
apt
</code>
,
<code class="leafygreen-ui-1l06pbn">
yum
</code>
,
<code class="leafygreen-ui-1l06pbn">
dnf
</code>
, or
<code class="leafygreen-ui-1l06pbn">
zypper
</code>
repositories, you should upgrade to
<!-- -->
8.0
<!-- -->
using your package
manager.
</p>
<p class="leafygreen-ui-1kp3ins">
Follow the appropriate
<a class="leafygreen-ui-tqgtui" href="/docs/manual/installation/#std-label-tutorial-installation">
8.0 installation instructions
</a>
for your Linux system. This
will involve adding a repository for the new release, then performing
the actual upgrade process.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Manually
<a class="headerlink leafygreen-ui-1kepx47" href="#manually" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="manually">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
If you have not installed MongoDB using a package manager, you can
manually download the MongoDB binaries from the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/try/download?tck=docs_server" target="_self">
<span>
MongoDB Download
Center
</span>
</a>
.
</p>
<p class="leafygreen-ui-1kp3ins">
See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/installation/#std-label-tutorial-installation">
8.0 installation instructions
</a>
for more information.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Upgrade Procedure
<a class="headerlink leafygreen-ui-1kepx47" href="#upgrade-procedure" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="upgrade-procedure">
</div>
</a>
</h2>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"To shut down the mongod process, use\nmongosh to connect to the instance and run the\nfollowing command:","name":"Shut down the mongod instance."},{"@type":"HowToStep","text":"Ensure that the 8.0-series binaries are in your System PATH. To\nconfirm your binary version, run the following command:The command output should indicate a 8.0-series release.","name":"Replace the 7.0 binaries with the 8.0 binaries."},{"@type":"HowToStep","text":"At this point, you can run the 8.0 binaries without the\n8.0 features that are incompatible with 7.0.To enable these 8.0 features, set the feature compatibility\nversion (fCV) to 8.0.Enabling these backwards-incompatible features can complicate the\ndowngrade process since you must remove any persisted backwards-incompatible\nfeatures before you downgrade.It is recommended that after upgrading, you allow your deployment to run\nwithout enabling these features for a burn-in period to ensure the\nlikelihood of downgrade is minimal. When you are confident that the\nlikelihood of downgrade is minimal, enable these features.Run the setFeatureCompatibilityVersion command\nagainst the admin database:This command must perform writes to an internal system\ncollection. If for any reason the command does not complete\nsuccessfully, you can safely retry the command as the operation\nis idempotent.","name":"Enable backwards-incompatible 8.0 features."}],"name":"Upgrade Procedure","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
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<div class="css-4nyere eccljxs0">
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Shut down the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance.
<a class="headerlink leafygreen-ui-1kepx47" href="#shut-down-the--instance." title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="shut-down-the--instance.">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To shut down the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
process, use
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
to connect to the instance and run the
following command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.adminCommand( { shutdown: 1 } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">adminCommand</span>( <!-- -->{ <span class="lg-highlight-attr">shutdown</span>: <span class="lg-highlight-number">1</span> } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Replace the
<!-- -->
7.0
<!-- -->
binaries with the
<!-- -->
8.0
<!-- -->
binaries.
<a class="headerlink leafygreen-ui-1kepx47" href="#replace-the--binaries-with-the--binaries." title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="replace-the--binaries-with-the--binaries.">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Ensure that the
<!-- -->
8.0-series
<!-- -->
binaries are in your System PATH. To
confirm your binary version, run the following command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongod --version","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongod --version</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The command output should indicate a
<!-- -->
8.0-series
<!-- -->
release.
</p>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
3
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Enable backwards-incompatible
<!-- -->
8.0
<!-- -->
features.
<a class="headerlink leafygreen-ui-1kepx47" href="#enable-backwards-incompatible--features." title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="enable-backwards-incompatible--features.">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
At this point, you can run the
<!-- -->
8.0
<!-- -->
binaries without the
<!-- -->
8.0
<!-- -->
<a class="leafygreen-ui-tqgtui" href="/docs/manual/release-notes/8.0-compatibility/#std-label-8.0-downgrade-considerations">
features
</a>
that are incompatible with
<!-- -->
7.0
<!-- -->
.
</p>
<p class="leafygreen-ui-1kp3ins">
To enable these
<!-- -->
8.0
<!-- -->
features, set the feature compatibility
version (
<code class="leafygreen-ui-1l06pbn">
fCV
</code>
) to
<!-- -->
8.0
<!-- -->
.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Enabling these backwards-incompatible features can complicate the
downgrade process since you must remove any persisted backwards-incompatible
features before you downgrade.
</p>
<p class="leafygreen-ui-1kp3ins">
It is recommended that after upgrading, you allow your deployment to run
without enabling these features for a burn-in period to ensure the
likelihood of downgrade is minimal. When you are confident that the
likelihood of downgrade is minimal, enable these features.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Run the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/setFeatureCompatibilityVersion/#mongodb-dbcommand-dbcmd.setFeatureCompatibilityVersion">
<code class="leafygreen-ui-1l06pbn">
setFeatureCompatibilityVersion
</code>
</a>
command
against the
<code class="leafygreen-ui-1l06pbn">
admin
</code>
database:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.adminCommand( { setFeatureCompatibilityVersion: \"8.0\" } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">adminCommand</span>( <!-- -->{ <span class="lg-highlight-attr">setFeatureCompatibilityVersion</span>: <span class="lg-highlight-string">"8.0"</span> } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
This command must perform writes to an internal system
collection. If for any reason the command does not complete
successfully, you can safely retry the command as the operation
is idempotent.
</p>
</section>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Additional Upgrade Procedures
<a class="headerlink leafygreen-ui-1kepx47" href="#additional-upgrade-procedures" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="additional-upgrade-procedures">
</div>
</a>
</h2>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
To upgrade a replica set, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/release-notes/8.0-upgrade-replica-set/#std-label-8.0-upgrade-replica-set">
Upgrade a Replica Set to 8.0
<!-- -->
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
To upgrade a sharded cluster, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/release-notes/8.0-upgrade-sharded-cluster/#std-label-8.0-upgrade-sharded-cluster">
Upgrade a Sharded Cluster to 8.0
<!-- -->
.
</a>
</p>
</li>
</ul>
</section>
</section>
|
https://www.mongodb.com/docs/manual/tutorial/convert-standalone-to-replica-set/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Convert a Standalone Self-Managed mongod to a Replica Set
<a class="headerlink leafygreen-ui-1kepx47" href="#convert-a-standalone-self-managed-mongod-to-a-replica-set" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="convert-a-standalone-self-managed-mongod-to-a-replica-set">
</div>
</a>
</h1>
<p class="leafygreen-ui-1kp3ins">
A
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-standalone">
standalone
</a>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance is useful for testing and
development. A standalone instance isn't a good choice for a production
deployment because it can be a single point of failure. A
<a class="leafygreen-ui-tqgtui" href="/docs/manual/replication/#std-label-replication">
replica
set
</a>
, also known as a
<em>
cluster
</em>
, provides redundancy and
availability. Always use a replica set in production.
</p>
<p class="leafygreen-ui-1kp3ins">
If you have a standalone server with data that you want to use in
production, convert the standalone server to a replica set first.
</p>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
If you convert a development server to a replica set for production
use, consult the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/security-checklist/#std-label-security-checklist">
security checklist
</a>
before you expose your cluster to the internet.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
You can easily migrate from a standalone server
to a
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas" target="_self">
<span>
MongoDB Atlas
</span>
</a>
cluster.
MongoDB Atlas is the fully managed service for MongoDB deployments in
the cloud. To learn more, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/import/" target="_self">
<span>
Migrate or Import Data
</span>
</a>
in the MongoDB Atlas
documentation.
</p>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Before You Begin
<a class="headerlink leafygreen-ui-1kepx47" href="#before-you-begin" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="before-you-begin">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Cluster Type
<a class="headerlink leafygreen-ui-1kepx47" href="#cluster-type" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="cluster-type">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Before you convert your standalone instance, consider whether a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/replication/#std-label-replication">
replica set
</a>
or a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/sharding/#std-label-sharding-background">
sharded cluster
</a>
is more appropriate for your workload.
</p>
<p class="leafygreen-ui-1kp3ins">
A sharded cluster is a special kind of cluster. A sharded cluster
provides redundancy and availability; it also distributes data across
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/sharded-cluster-shards/#std-label-shards-concepts">
shards
</a>
. Shards are usually hosted on multiple
servers and allow for horizontal scaling.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Authorization
<a class="headerlink leafygreen-ui-1kepx47" href="#authorization" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="authorization">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To use authorization with a replica set, you must also configure
replica set members to use X.509 certificates or keyfiles to
perform internal authentication.
</p>
<p class="leafygreen-ui-1kp3ins">
For more information, see:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/configure-x509-member-authentication/#std-label-x509-internal-authentication">
Use x.509 Certificate for Membership Authentication with Self-Managed MongoDB
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/deploy-replica-set-with-keyfile-access-control/#std-label-deploy-repl-set-with-keyfile">
Deploy Self-Managed Replica Set With Keyfile Authentication
</a>
</p>
</li>
</ul>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Procedure
<a class="headerlink leafygreen-ui-1kepx47" href="#procedure" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="procedure">
</div>
</a>
</h2>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"Use mongosh to connect to\nyour mongod instance.Switch to the admin database and run shutdown.","name":"Shut down the standalone instance."},{"@type":"HowToStep","text":"Update the configuration file on each server and to set\nthe replSetName setting.","name":"Configure Replica Set Members"},{"@type":"HowToStep","text":"Configure member authentication for each server in the replica set.Configure the replica set to use X.509 certificates for internal member\nauthentication.SettingOptionDescriptionnet.tls.mode--tlsModeSets the TLS mode to use in authentication. To configure the server\nto require X.509 certificate authentication, set this option to\nrequireTLS.net.tls.certificateKeyFile--tlsCertificateKeyFileSets the path to the .pem file that contains the TLS certificate\nfor client connections.net.tls.CAFile--tlsCAFileSets the path to the file that contains the root certificate chain\nfor the Certificate Authority (CA).net.tls.clusterFile--tlsClusterFileSets the path to the .pem file that contains the TLS certificate\nfor cluster member connections.security.clusterAuthMode--clusterAuthModeSets the mode used to authenticate cluster members. To use X.509\nauthentication, set this option to x509.For example:Configure the replica set to use keyfiles for internal member authentication.\nTo authenticate, each member must have a copy of the same keyfile.SettingOptionDescriptionsecurity.keyFile--keyFileSets the path to the replica set keyfile.For example:Configures a replica set without authorization.You should only use this configuration for internal replica sets that\nare not accessible through the network.SettingOptionDescriptionnet.bindIp--bind_ipSets the hostnames or IP addresses that MongoDB listens on for client\nconnections. To block network access to the server, set this option\nto localhost.For example:","name":"Configure Member Authentication"},{"@type":"HowToStep","text":"Start mongod for each member.","name":"Start MongoDB"},{"@type":"HowToStep","text":"To initialize the replica set, use mongosh to reconnect to\nyour server instance. Then, run rs.initiate().You only have to initiate the replica set once.To view the replica set configuration, use rs.conf().To check the status of the replica set, use rs.status().","name":"Initialize the replica set."},{"@type":"HowToStep","text":"The new replica set has a single, primary node. The next step is\nto add new nodes to the replica set. Review the documentation on\nclusters before you add additional nodes:Replica set architecturesAdding members to a replica setWhen you are ready to add nodes, use rs.add().","name":"Add nodes to the replica set."},{"@type":"HowToStep","text":"After you convert the mongod to a replica set, update the\nconnection string used by your applications\nto the connection string for your replica set. Then, restart your\napplications.","name":"Update Your Application Connection String."}],"name":"Procedure","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
</script>
<div class="css-4nyere eccljxs0">
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Shut down the standalone instance.
<a class="headerlink leafygreen-ui-1kepx47" href="#shut-down-the-standalone-instance." title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="shut-down-the-standalone-instance.">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Use
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
to
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/connect/#std-label-mdb-shell-connect" target="_self">
<span>
connect
</span>
</a>
to
your
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
instance.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongosh","programmingLanguage":"Shell"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light shell leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongosh</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Switch to the
<code class="leafygreen-ui-1l06pbn">
admin
</code>
database and run
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/shutdown/#mongodb-dbcommand-dbcmd.shutdown">
<code class="leafygreen-ui-1l06pbn">
shutdown
</code>
.
</a>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"use admin\ndb.adminCommand(\n {\n shutdown: 1,\n comment: \"Convert to cluster\"\n }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">use admin</td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">adminCommand</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">shutdown</span>: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">comment</span>: <span class="lg-highlight-string">"Convert to cluster"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
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</div>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Configure Replica Set Members
<a class="headerlink leafygreen-ui-1kepx47" href="#configure-replica-set-members" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="configure-replica-set-members">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Update the configuration file on each server and to set
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-replication.replSetName">
<code class="leafygreen-ui-1l06pbn">
replSetName
</code>
</a>
setting.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"replication:\n replSetName: \"rs0\"","programmingLanguage":"YAML"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light yaml leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">replication:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">replSetName:</span> <span class="lg-highlight-string">"rs0"</span></td></tr></tbody></table></code></pre>
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</section>
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<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
3
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Configure Member Authentication
<a class="headerlink leafygreen-ui-1kepx47" href="#configure-member-authentication" title="Permalink to this heading">
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<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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</svg>
<div class="css-1btu0w3 evvkmar0" id="configure-member-authentication">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Configure member authentication for each server in the replica set.
</p>
<div aria-hidden="true">
</div>
<div class="leafygreen-ui-1b75luy" data-lgid="lg-tabs">
<div class="leafygreen-ui-jp7pox" id="tabs-11">
<div aria-label="Tabs to describe usage of config-rs-keyfile/config-rs-noauth/convert-config-rs-x509" aria-orientation="horizontal" class="leafygreen-ui-m8p1vb lg-ui-tab-list-0000" data-lgid="lg-tabs-tab_list" role="tablist">
<button aria-controls="_hu11h8z0g" aria-selected="true" class="leafygreen-ui-1l773z1" data-text="" id="_yflzzxzd4" name="" role="tab" tabindex="0">
<div class="leafygreen-ui-1nxuzmg">
X.509 Authentication
</div>
</button>
<button aria-controls="_h3w06fiat" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_e1qbe65nc" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Keyfile Authentication
</div>
</button>
<button aria-controls="_kwydbwn6m" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_2frd6ps3s" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
No Authentication
</div>
</button>
</div>
<div class="leafygreen-ui-ov1ktg">
<div class="leafygreen-ui-1sg2lsz">
</div>
</div>
</div>
<div class="lg-ui-tab-panels-0000" data-lgid="lg-tabs-tab_panels">
<div>
<div aria-labelledby="_xwz3lh3ca" class="" id="_ywwer6zbi" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
Configure the replica set to use X.509 certificates for internal member
authentication.
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Setting
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Option
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.tls.mode">
<code class="leafygreen-ui-1l06pbn">
net.tls.mode
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--tlsMode">
<code class="leafygreen-ui-1l06pbn">
--tlsMode
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Sets the TLS mode to use in authentication. To configure the server
to require X.509 certificate authentication, set this option to
<code class="leafygreen-ui-1l06pbn">
requireTLS
</code>
.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.tls.certificateKeyFile">
<code class="leafygreen-ui-1l06pbn">
net.tls.certificateKeyFile
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--tlsCertificateKeyFile">
<code class="leafygreen-ui-1l06pbn">
--tlsCertificateKeyFile
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Sets the path to the
<code class="leafygreen-ui-1l06pbn">
.pem
</code>
file that contains the TLS certificate
for client connections.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.tls.CAFile">
<code class="leafygreen-ui-1l06pbn">
net.tls.CAFile
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--tlsCAFile">
<code class="leafygreen-ui-1l06pbn">
--tlsCAFile
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Sets the path to the file that contains the root certificate chain
for the Certificate Authority (CA).
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.tls.clusterFile">
<code class="leafygreen-ui-1l06pbn">
net.tls.clusterFile
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--tlsClusterFile">
<code class="leafygreen-ui-1l06pbn">
--tlsClusterFile
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Sets the path to the
<code class="leafygreen-ui-1l06pbn">
.pem
</code>
file that contains the TLS certificate
for cluster member connections.
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-security.clusterAuthMode">
<code class="leafygreen-ui-1l06pbn">
security.clusterAuthMode
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--clusterAuthMode">
<code class="leafygreen-ui-1l06pbn">
--clusterAuthMode
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Sets the mode used to authenticate cluster members. To use X.509
authentication, set this option to
<code class="leafygreen-ui-1l06pbn">
x509
</code>
.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<p class="leafygreen-ui-1kp3ins">
For example:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"replication:\n replSetName: \"rs0\"\nsecurity:\n clusterAuthMode: x509\nnet:\n tls:\n mode: requireTLS\n certificateKeyFile: /etc/mongodb/client.pem\n CAFile: /etc/mongodb/ca.pem\n clusterFile: /etc/mongodb/member.pem","programmingLanguage":"YAML"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light yaml leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">replication:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">replSetName:</span> <span class="lg-highlight-string">"rs0"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">security:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">clusterAuthMode:</span> <span class="lg-highlight-string">x509</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">net:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">tls:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">mode:</span> <span class="lg-highlight-string">requireTLS</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">certificateKeyFile:</span> <span class="lg-highlight-string">/etc/mongodb/client.pem</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">CAFile:</span> <span class="lg-highlight-string">/etc/mongodb/ca.pem</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">clusterFile:</span> <span class="lg-highlight-string">/etc/mongodb/member.pem</span></td></tr></tbody></table></code></pre>
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</div>
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</div>
</div>
</div>
</div>
<div>
<div aria-labelledby="_w3j2l4a3m" class="leafygreen-ui-38lglc" id="_e88t9sycw" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
Configure the replica set to use keyfiles for internal member authentication.
To authenticate, each member must have a copy of the same keyfile.
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Setting
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Option
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-security.keyFile">
<code class="leafygreen-ui-1l06pbn">
security.keyFile
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--keyFile">
<code class="leafygreen-ui-1l06pbn">
--keyFile
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Sets the path to the replica set keyfile.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<p class="leafygreen-ui-1kp3ins">
For example:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"replication:\n replSetName: \"rs0\"\nsecurity:\n keyFile: /etc/mongodb/keyfile","programmingLanguage":"YAML"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light yaml leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">replication:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">replSetName:</span> <span class="lg-highlight-string">"rs0"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">security:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">keyFile:</span> <span class="lg-highlight-string">/etc/mongodb/keyfile</span></td></tr></tbody></table></code></pre>
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</div>
</div>
</div>
<div>
<div aria-labelledby="_ksfyixt6c" class="leafygreen-ui-38lglc" id="_5e7ctj1jp" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
Configures a replica set without authorization.
</p>
<div class="leafygreen-ui-1sjx7ru" role="note">
<h2 class="leafygreen-ui-29m78u">
Warning
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
You should only use this configuration for internal replica sets that
are
<strong>
not
</strong>
accessible through the network.
</p>
</div>
</div>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Setting
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Option
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.bindIp">
<code class="leafygreen-ui-1l06pbn">
net.bindIp
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--bind_ip">
<code class="leafygreen-ui-1l06pbn">
--bind_ip
</code>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Sets the hostnames or IP addresses that MongoDB listens on for client
connections. To block network access to the server, set this option
to
<code class="leafygreen-ui-1l06pbn">
localhost
</code>
.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<p class="leafygreen-ui-1kp3ins">
For example:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"replication:\n replSetName: \"rs0\"\nnet:\n bindIp: localhost","programmingLanguage":"YAML"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light yaml leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">replication:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">replSetName:</span> <span class="lg-highlight-string">"rs0"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">net:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">bindIp:</span> <span class="lg-highlight-string">localhost</span></td></tr></tbody></table></code></pre>
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</div>
</div>
</section>
</div>
</div>
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<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
4
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Start MongoDB
<a class="headerlink leafygreen-ui-1kepx47" href="#start-mongodb" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="start-mongodb">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Start
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-program-mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
for each member.
</p>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
5
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Initialize the replica set.
<a class="headerlink leafygreen-ui-1kepx47" href="#initialize-the-replica-set." title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="initialize-the-replica-set.">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To initialize the replica set, use
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
to reconnect to
your server instance. Then, run
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.initiate/#mongodb-method-rs.initiate">
<code class="leafygreen-ui-1l06pbn">
rs.initiate()
</code>
.
</a>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"rs.initiate()","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">rs.<span class="lg-highlight-title lg-highlight-function">initiate</span>(<!-- -->)</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
You only have to initiate the replica set once.
</p>
<p class="leafygreen-ui-1kp3ins">
To view the replica set configuration, use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.conf/#mongodb-method-rs.conf">
<code class="leafygreen-ui-1l06pbn">
rs.conf()
</code>
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
To check the status of the replica set, use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.status/#mongodb-method-rs.status">
<code class="leafygreen-ui-1l06pbn">
rs.status()
</code>
.
</a>
</p>
</section>
</div>
</div>
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<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
6
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Add nodes to the replica set.
<a class="headerlink leafygreen-ui-1kepx47" href="#add-nodes-to-the-replica-set." title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="add-nodes-to-the-replica-set.">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The new replica set has a single, primary node. The next step is
to add new nodes to the replica set. Review the documentation on
clusters before you add additional nodes:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/replica-set-architectures/#std-label-replica-set-deployment-overview">
Replica set architectures
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/expand-replica-set/#std-label-server-replica-set-deploy-expand">
Adding members to a replica set
</a>
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
When you are ready to add nodes, use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.add/#mongodb-method-rs.add">
<code class="leafygreen-ui-1l06pbn">
rs.add()
</code>
.
</a>
</p>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
7
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Update Your Application Connection String.
<a class="headerlink leafygreen-ui-1kepx47" href="#update-your-application-connection-string." title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="update-your-application-connection-string.">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
After you convert the mongod to a replica set, update the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/connection-string/#std-label-mongodb-uri">
connection string
</a>
used by your applications
to the connection string for your replica set. Then, restart your
applications.
</p>
</section>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Learn More
<a class="headerlink leafygreen-ui-1kepx47" href="#learn-more" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="learn-more">
</div>
</a>
</h2>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#std-label-configuration-options">
Configuration options
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/installation/#std-label-tutorials-installation">
Deploy a standalone instance
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/deploy-replica-set/#std-label-server-replica-set-deploy">
Deploy a new replica set
</a>
</p>
</li>
</ul>
</section>
</section>
|
https://www.mongodb.com/docs/manual/tutorial/deploy-geographically-distributed-replica-set/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Deploy a Geographically Redundant Self-Managed Replica Set
<a class="headerlink leafygreen-ui-1kepx47" href="#deploy-a-geographically-redundant-self-managed-replica-set" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="deploy-a-geographically-redundant-self-managed-replica-set">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#overview" target="_self">
<span>
Overview
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#considerations" target="_self">
<span>
Considerations
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#prerequisites" target="_self">
<span>
Prerequisites
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#procedures" target="_self">
<span>
Procedures
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Overview
<a class="headerlink leafygreen-ui-1kepx47" href="#overview" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="overview">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
This tutorial outlines the process for deploying a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-replica-set">
replica set
</a>
with
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/replica-set-architecture-geographically-distributed/#std-label-replica-set-geographical-distribution">
members in multiple locations
</a>
. The tutorial addresses
three-member replica sets and five-member replica sets. If you have an
even number of replica set members, add another data bearing member, if
possible, to deploy an odd number of voting members.
<a class="footnote-reference header-buffer" href="#footnote-arbiter-alternative" id="ref-arbiter-alternative-id1">
[
<!-- -->
1
<!-- -->
]
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
For more information on distributed replica sets, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/replica-set-architecture-geographically-distributed/#std-label-replica-set-geographical-distribution">
Replica Sets Distributed Across Two or More Data Centers
</a>
. See also
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/replica-set-architectures/#std-label-replica-set-architecture">
Replica Set Deployment Architectures
</a>
and see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replication/#std-label-replication-toc">
Self-Managed Replication Reference
<!-- -->
.
</a>
</p>
<table class="header-buffer leafygreen-ui-rbqgrl" frame="void" id="footnote-arbiter-alternative" rules="none">
<colgroup>
<col/>
</colgroup>
<tbody valign="top">
<tr>
<td class="leafygreen-ui-17r2xs0">
[
<!-- -->
1
<!-- -->
]
</td>
<td class="leafygreen-ui-17r2xs0">
<em>
(
<a href="#ref-arbiter-alternative-id1">
1
</a>
,
<a href="#ref-arbiter-alternative-id2">
2
</a>
)
</em>
<!-- -->
If circumstances prohibit another data bearing member and you have
an even number of voting members, you can add an arbiter instead.
For considerations when using an arbiter, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/replica-set-arbiter/#std-label-replica-set-arbiter-configuration">
Replica Set Arbiter
<!-- -->
.
</a>
</td>
</tr>
</tbody>
</table>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Considerations
<a class="headerlink leafygreen-ui-1kepx47" href="#considerations" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="considerations">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Architecture
<a class="headerlink leafygreen-ui-1kepx47" href="#architecture" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="architecture">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
In production, deploy each member of the replica set to its own machine.
If possible, ensure that MongoDB listens on the default port of
<code class="leafygreen-ui-1l06pbn">
27017
</code>
.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Outside of a rolling upgrade, all
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
members of
a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-replica-set">
replica set
</a>
should use the same major version of
MongoDB.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For more information, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/replica-set-architectures/">
Replica Set Deployment Architectures
<!-- -->
.
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Hostnames
<a class="headerlink leafygreen-ui-1kepx47" href="#hostnames" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="hostnames">
</div>
</a>
</h3>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
To avoid configuration updates due to IP address changes, use DNS
hostnames instead of IP addresses. It is particularly important to
use a DNS hostname instead of an IP address when configuring replica
set members or sharded cluster members.
</p>
<p class="leafygreen-ui-1kp3ins">
Use hostnames instead of IP addresses to configure clusters across a
split network horizon. Starting in MongoDB 5.0, nodes that are only
configured with an IP address fail startup validation and do not start.
</p>
</div>
</div>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
IP Binding
<a class="headerlink leafygreen-ui-1kepx47" href="#ip-binding" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="ip-binding">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--bind_ip">
<code class="leafygreen-ui-1l06pbn">
--bind_ip
</code>
</a>
option to ensure that
MongoDB listens for connections from applications on configured
addresses.
</p>
<div class="leafygreen-ui-1sjx7ru" role="note">
<h2 class="leafygreen-ui-29m78u">
Warning
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Before you bind your instance to a publicly-accessible IP address,
you must secure your cluster from unauthorized access. For a complete
list of security recommendations, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/security-checklist/#std-label-security-checklist">
Security Checklist for Self-Managed Deployments
</a>
. At minimum, consider
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/security-checklist/#std-label-checklist-auth">
enabling authentication
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/security-hardening/#std-label-network-config-hardening">
hardening
network infrastructure
<!-- -->
.
</a>
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
MongoDB binaries,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
, bind
to localhost by default. If the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.ipv6">
<code class="leafygreen-ui-1l06pbn">
net.ipv6
</code>
</a>
configuration file
setting or the
<code class="leafygreen-ui-1l06pbn">
--ipv6
</code>
command line option is set for the binary,
the binary additionally binds to the localhost IPv6 address.
</p>
<p class="leafygreen-ui-1kp3ins">
By default
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
that are
bound to localhost only accept connections from clients that are
running on the same computer. This binding behavior includes
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
and other members of your replica set or sharded
cluster. Remote clients cannot connect to binaries that are bound only
to localhost.
</p>
<p class="leafygreen-ui-1kp3ins">
To override the default binding and bind to other IP addresses, use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.bindIp">
<code class="leafygreen-ui-1l06pbn">
net.bindIp
</code>
</a>
configuration file setting or the
<code class="leafygreen-ui-1l06pbn">
--bind_ip
</code>
command-line option to specify a list of hostnames or IP addresses.
</p>
<div class="leafygreen-ui-1sjx7ru" role="note">
<h2 class="leafygreen-ui-29m78u">
Warning
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Starting in MongDB 5.0,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://en.wikipedia.org/wiki/Split-horizon_DNS" rel="noopener noreferrer">
<span>
split horizon DNS
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
nodes that are
only configured with an IP address fail startup validation and
report an error. See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.disableSplitHorizonIPCheck">
<code class="leafygreen-ui-1l06pbn">
disableSplitHorizonIPCheck
</code>
.
</a>
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For example, the following
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance binds to both
the localhost and the hostname
<code class="leafygreen-ui-1l06pbn">
My-Example-Associated-Hostname
</code>
, which is
associated with the IP address
<code class="leafygreen-ui-1l06pbn">
198.51.100.1
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongod --bind_ip localhost,My-Example-Associated-Hostname"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongod --bind_ip localhost,My-Example-Associated-Hostname</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
In order to connect to this instance, remote clients must specify
the hostname or its associated IP address
<code class="leafygreen-ui-1l06pbn">
198.51.100.1
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongosh --host My-Example-Associated-Hostname\n\nmongosh --host 198.51.100.1"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongosh --host My-Example-Associated-Hostname</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">mongosh --host 198.51.100.1</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Connectivity
<a class="headerlink leafygreen-ui-1kepx47" href="#connectivity" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="connectivity">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Ensure that network traffic can pass securely between all members of the set and
all clients in the network .
</p>
<p class="leafygreen-ui-1kp3ins">
Consider the following:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Establish a virtual private network. Ensure that your network topology
routes all traffic between members within a single site over the local
area network.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Configure access control to prevent connections from unknown clients
to the replica set.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Configure networking and firewall rules so that incoming and outgoing
packets are permitted only on the default MongoDB port and only from
within your deployment. See the IP Binding considerations.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
Ensure that each member of a replica set is accessible by
way of resolvable DNS or hostnames. You should either configure your
DNS names appropriately or set up your systems'
<code class="leafygreen-ui-1l06pbn">
/etc/hosts
</code>
file to
reflect this configuration.
</p>
<p class="leafygreen-ui-1kp3ins">
Each member must be able to connect to every other member. For
instructions on how to check your connection, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/troubleshoot-replica-sets/#std-label-replica-set-troubleshooting-check-connection">
Test Connections Between all Members
<!-- -->
.
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Configuration
<a class="headerlink leafygreen-ui-1kepx47" href="#configuration" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="configuration">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Create the directory where MongoDB stores data files before deploying
MongoDB.
</p>
<p class="leafygreen-ui-1kp3ins">
Specify the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
configuration in a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/">
configuration
file
</a>
stored in
<code class="leafygreen-ui-1l06pbn">
/etc/mongod.conf
</code>
or a related location.
</p>
<p class="leafygreen-ui-1kp3ins">
For more information about configuration options, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/">
Self-Managed Configuration File Options
<!-- -->
.
</a>
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Distribution of the Members
<a class="headerlink leafygreen-ui-1kepx47" href="#distribution-of-the-members" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="distribution-of-the-members">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
If possible, use an odd number of data centers, and choose a
distribution of members that maximizes the likelihood that even with a
loss of a data center, the remaining replica set members can form a
majority or at minimum, provide a copy of your data.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Voting Members
<a class="headerlink leafygreen-ui-1kepx47" href="#voting-members" title="Permalink to this heading">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="voting-members">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Never deploy more than seven voting members.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Prerequisites
<a class="headerlink leafygreen-ui-1kepx47" href="#prerequisites" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="prerequisites">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
For all configurations in this tutorial, deploy each replica set member
on a separate system. Although you may deploy more than one replica set member on a
single system, doing so reduces the redundancy and capacity
of the replica set. Such deployments are typically for testing
purposes.
</p>
<p class="leafygreen-ui-1kp3ins">
This tutorial assumes you have installed MongoDB on each system that
will be part of your replica set. If you have not already installed
MongoDB, see the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/installation/#std-label-tutorial-installation">
installation tutorials
<!-- -->
.
</a>
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Procedures
<a class="headerlink leafygreen-ui-1kepx47" href="#procedures" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="procedures">
</div>
</a>
</h2>
<span class="leafygreen-ui-1qnjd6d" id="std-label-replica-set-deploy-distributed-three-member">
</span>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Deploy a Geographically Redundant Three-Member Replica Set
<a class="headerlink leafygreen-ui-1kepx47" href="#deploy-a-geographically-redundant-three-member-replica-set" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="deploy-a-geographically-redundant-three-member-replica-set">
</div>
</a>
</h3>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
To avoid configuration updates due to IP address changes, use DNS
hostnames instead of IP addresses. It is particularly important to
use a DNS hostname instead of an IP address when configuring replica
set members or sharded cluster members.
</p>
<p class="leafygreen-ui-1kp3ins">
Use hostnames instead of IP addresses to configure clusters across a
split network horizon. Starting in MongoDB 5.0, nodes that are only
configured with an IP address fail startup validation and do not start.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For a geographically redundant three-member replica set deployment, you
must decide how to distribute your system. Some possible distributions
for the three members are:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Across Three Data Centers: One member to each site.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Across Two Data Centers: Two members to Site A and one member to Site
B. If one of the members of the replica set is an arbiter
<a class="footnote-reference header-buffer" href="#footnote-arbiter-alternative" id="ref-arbiter-alternative-id2">
[
<!-- -->
1
<!-- -->
]
</a>
, distribute the arbiter to Site A with a
data-bearing member.
</p>
</li>
</ul>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Distributing replica set members across two data centers provides
benefit over a single data center. In a two data center
distribution,
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If one of the data centers goes down, the data is still available
for reads unlike a single data center distribution.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If the data center with a minority of the members goes down, the
replica set can still serve write operations as well as read
operations.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
However, if the data center with the majority of the members goes
down, the replica set becomes read-only.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
If possible, distribute members across at least three data centers.
For config server replica sets (CSRS), the best practice is to
distribute across three (or more depending on the number of members)
centers. If the cost of the third data center is prohibitive, one
distribution possibility is to evenly distribute the data bearing
members across the two data centers and store the remaining member
in the cloud if your company policy allows.
</p>
</div>
</div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"Start each member of the replica set with the appropriate options.For each member, start a mongod instance with the\nfollowing settings:Set replication.replSetName option to the replica set\nname. If your application connects to more than one replica set,\neach set must have a distinct name.Set net.bindIp option to the hostname/ip or a comma-delimited\nlist of hostnames/ips.Set any other settings as appropriate for your deployment.In this tutorial, the three mongod instances are\nassociated with the following hosts:Replica Set MemberHostnameMember 0mongodb0.example.netMember 1mongodb1.example.netMember 2mongodb2.example.netThe following example specifies the replica set name and the ip\nbinding through the --replSet and --bind_ip\ncommand-line options:Before you bind your instance to a publicly-accessible IP address,\nyou must secure your cluster from unauthorized access. For a complete\nlist of security recommendations, see\nSecurity Checklist for Self-Managed Deployments. At minimum, consider\nenabling authentication and hardening\nnetwork infrastructure.For <hostname(s)|ip address(es)>, specify the hostname(s) and/or\nip address(es) for your mongod instance that remote\nclients (including the other members of the replica set) can use to\nconnect to the instance.Alternatively, you can also specify the replica set name and the ip addresses in a configuration file:To start mongod with a configuration file, specify the\nconfiguration file's path with the --config option:In production deployments, you can configure a init script\nto manage this process. Init scripts are beyond the scope of this\ndocument."},{"@type":"HowToStep","text":"Connect mongosh to one of the mongod instances.From the same machine where one of the mongod is running\n(in this tutorial, mongodb0.example.net), start\nmongosh. To connect to the mongod\nlistening to localhost on the default port of 27017, simply issue:Depending on your path, you may need to specify the path to the\nmongosh binary.If your mongod is not running on the default port, specify the\n--port option for mongosh."},{"@type":"HowToStep","text":"Initiate the replica set.From mongosh, run rs.initiate() on\nreplica set member 0.Run rs.initiate() on only one mongod instance\nfor the replica set.To avoid configuration updates due to IP address changes, use DNS\nhostnames instead of IP addresses. It is particularly important to\nuse a DNS hostname instead of an IP address when configuring replica\nset members or sharded cluster members.Use hostnames instead of IP addresses to configure clusters across a\nsplit network horizon. Starting in MongoDB 5.0, nodes that are only\nconfigured with an IP address fail startup validation and do not start.MongoDB initiates a replica set, using\nthe default replica set configuration."},{"@type":"HowToStep","text":"View the replica set configuration.Use rs.conf() to display the replica set configuration\nobject:The replica set configuration object resembles the following:"},{"@type":"HowToStep","text":"Optional. Configure the member eligibility for becoming primary.In some cases, you may prefer that the members in one data center be\nelected primary before the members in the other data centers. You can\nmodify the priority of the members such that the\nmembers in the one data center has higher\npriority than the members in the other data\ncenters.Some members of the replica set, such as members that have networking\nrestraint or limited resources, should not be able to become primary\nin a failover. Configure members that should not become\nprimary to have priority 0.For example, to lower the relative eligibility of the member\nlocated in one of the sites (in this example,\nmongodb2.example.net), set the member's priority to 0.5.View the replica set configuration to determine the\nmembers array position for the member. Keep\nin mind the array position is not the same as the _id:Copy the replica set configuration object to a variable (to cfg in\nthe example below). Then, in the variable, set the correct priority for\nthe member. Then pass the variable to rs.reconfig() to update\nthe replica set configuration.For example, to set priority for the third member in the array (i.e.,\nthe member at position 2), issue the following sequence of commands:The rs.reconfig() shell method can force the current\nprimary to step down, causing an election. When the primary steps\ndown, all clients will disconnect. This is the intended behavior.\nWhile median time to elect a new primary should not typically\nexceed 12 seconds, always make sure any replica configuration\nchanges occur during scheduled maintenance periods.After these commands return, you have a geographically redundant\nthree-member replica set."},{"@type":"HowToStep","text":"Ensure that the replica set has a primary.Use rs.status() to identify the primary in the replica set."}],"name":"Deploy a Geographically Redundant Three-Member Replica Set","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
</script>
<div class="css-4nyere eccljxs0">
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Start each member of the replica set with the appropriate options.
<a class="headerlink leafygreen-ui-1kepx47" href="#start-each-member-of-the-replica-set-with-the-appropriate-options" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="start-each-member-of-the-replica-set-with-the-appropriate-options">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
For each member, start a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance with the
following settings:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Set
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-replication.replSetName">
<code class="leafygreen-ui-1l06pbn">
replication.replSetName
</code>
</a>
option to the replica set
name. If your application connects to more than one replica set,
each set must have a distinct name.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Set
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.bindIp">
<code class="leafygreen-ui-1l06pbn">
net.bindIp
</code>
</a>
option to the hostname/ip or a comma-delimited
list of hostnames/ips.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Set any other settings as appropriate for your deployment.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
In this tutorial, the three
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instances are
associated with the following hosts:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Replica Set Member
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Hostname
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Member 0
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
mongodb0.example.net
</code>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Member 1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
mongodb1.example.net
</code>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Member 2
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
mongodb2.example.net
</code>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<p class="leafygreen-ui-1kp3ins">
The following example specifies the replica set name and the ip
binding through the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--replSet">
<code class="leafygreen-ui-1l06pbn">
--replSet
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--bind_ip">
<code class="leafygreen-ui-1l06pbn">
--bind_ip
</code>
</a>
command-line options:
</p>
<div class="leafygreen-ui-1sjx7ru" role="note">
<h2 class="leafygreen-ui-29m78u">
Warning
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Before you bind your instance to a publicly-accessible IP address,
you must secure your cluster from unauthorized access. For a complete
list of security recommendations, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/security-checklist/#std-label-security-checklist">
Security Checklist for Self-Managed Deployments
</a>
. At minimum, consider
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/security-checklist/#std-label-checklist-auth">
enabling authentication
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/security-hardening/#std-label-network-config-hardening">
hardening
network infrastructure
<!-- -->
.
</a>
</p>
</div>
</div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongod --replSet \"rs0\" --bind_ip localhost,<hostname(s)|ip>","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongod --replSet <span class="lg-highlight-string">"rs0"</span> --bind_ip localhost,<hostname(s)|ip address(es)></td></tr></tbody></table></code></pre>
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</button>
</div>
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</div>
<p class="leafygreen-ui-1kp3ins">
For
<code class="leafygreen-ui-1l06pbn">
<hostname(s)|ip address(es)>
</code>
, specify the hostname(s) and/or
ip address(es) for your
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance that remote
clients (including the other members of the replica set) can use to
connect to the instance.
</p>
<p class="leafygreen-ui-1kp3ins">
Alternatively, you can also specify the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-replication.replSetName">
<code class="leafygreen-ui-1l06pbn">
replica set name
</code>
</a>
and the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.bindIp">
<code class="leafygreen-ui-1l06pbn">
ip addresses
</code>
</a>
in a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/">
configuration file
<!-- -->
:
</a>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"replication:\n replSetName: \"rs0\"\nnet:\n bindIp: localhost,<hostname(s)|ip>","programmingLanguage":"YAML"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light yaml leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">replication:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">replSetName:</span> <span class="lg-highlight-string">"rs0"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">net:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">bindIp:</span> <span class="lg-highlight-string">localhost,<hostname(s)|ip</span> <span class="lg-highlight-string">address(es)></span></td></tr></tbody></table></code></pre>
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</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
To start
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
with a configuration file, specify the
configuration file's path with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--config">
<code class="leafygreen-ui-1l06pbn">
--config
</code>
</a>
option:
</p>
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<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongod --config <path-to-config></td></tr></tbody></table></code></pre>
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</div>
<p class="leafygreen-ui-1kp3ins">
In production deployments, you can configure a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-init-script">
init script
</a>
to manage this process. Init scripts are beyond the scope of this
document.
</p>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Connect
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
to one of the
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
instances.
<a class="headerlink leafygreen-ui-1kepx47" href="#connect-to-one-of-the-mongod-instances" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="connect-to-one-of-the-mongod-instances">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
From the same machine where one of the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
is running
(in this tutorial,
<code class="leafygreen-ui-1l06pbn">
mongodb0.example.net
</code>
), start
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
. To connect to the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
listening to localhost on the default port of
<code class="leafygreen-ui-1l06pbn">
27017
</code>
, simply issue:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongosh\n","programmingLanguage":"Shell"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light shell leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongosh</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Depending on your path, you may need to specify the path to the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
binary.
</p>
<p class="leafygreen-ui-1kp3ins">
If your
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
is not running on the default port, specify the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/reference/options/#std-option-mongosh.--port" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
--port
</code>
</span>
</a>
option for
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
.
</p>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
3
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Initiate the replica set.
<a class="headerlink leafygreen-ui-1kepx47" href="#initiate-the-replica-set" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="initiate-the-replica-set">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
From
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
, run
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.initiate/#mongodb-method-rs.initiate">
<code class="leafygreen-ui-1l06pbn">
rs.initiate()
</code>
</a>
on
replica set member 0.
</p>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Run
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.initiate/#mongodb-method-rs.initiate">
<code class="leafygreen-ui-1l06pbn">
rs.initiate()
</code>
</a>
on
<em>
only one
</em>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance
for the replica set.
</p>
</div>
</div>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
To avoid configuration updates due to IP address changes, use DNS
hostnames instead of IP addresses. It is particularly important to
use a DNS hostname instead of an IP address when configuring replica
set members or sharded cluster members.
</p>
<p class="leafygreen-ui-1kp3ins">
Use hostnames instead of IP addresses to configure clusters across a
split network horizon. Starting in MongoDB 5.0, nodes that are only
configured with an IP address fail startup validation and do not start.
</p>
</div>
</div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"rs.initiate( {\n _id : \"rs0\",\n members: [\n { _id: 0, host: \"mongodb0.example.net:27017\" },\n { _id: 1, host: \"mongodb1.example.net:27017\" },\n { _id: 2, host: \"mongodb2.example.net:27017\" }\n ]\n})\n","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">rs.<span class="lg-highlight-title lg-highlight-function">initiate</span>( <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->_id <!-- -->: <span class="lg-highlight-string">"rs0"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">members</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">0</span>, <span class="lg-highlight-attr">host</span>: <span class="lg-highlight-string">"mongodb0.example.net:27017"</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">host</span>: <span class="lg-highlight-string">"mongodb1.example.net:27017"</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">2</span>, <span class="lg-highlight-attr">host</span>: <span class="lg-highlight-string">"mongodb2.example.net:27017"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">})</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
MongoDB initiates a replica set, using
the default replica set configuration.
</p>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
4
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
View the replica set configuration.
<a class="headerlink leafygreen-ui-1kepx47" href="#view-the-replica-set-configuration" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="view-the-replica-set-configuration">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.conf/#mongodb-method-rs.conf">
<code class="leafygreen-ui-1l06pbn">
rs.conf()
</code>
</a>
to display the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/">
replica set configuration
object
<!-- -->
:
</a>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"rs.conf()\n","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">rs.<span class="lg-highlight-title lg-highlight-function">conf</span>(<!-- -->)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The replica set configuration object resembles the following:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n \"_id\" : \"rs0\",\n \"version\" : 1,\n \"protocolVersion\" : NumberLong(1),\n \"members\" : [\n {\n \"_id\" : 0,\n \"host\" : \"mongodb0.example.net:27017\",\n \"arbiterOnly\" : false,\n \"buildIndexes\" : true,\n \"hidden\" : false,\n \"priority\" : 1,\n \"tags\" : {\n\n },\n \"secondaryDelaySecs\" : NumberLong(0),\n \"votes\" : 1\n },\n {\n \"_id\" : 1,\n \"host\" : \"mongodb1.example.net:27017\",\n \"arbiterOnly\" : false,\n \"buildIndexes\" : true,\n \"hidden\" : false,\n \"priority\" : 1,\n \"tags\" : {\n\n },\n \"secondaryDelaySecs\" : NumberLong(0),\n \"votes\" : 1\n },\n {\n \"_id\" : 2,\n \"host\" : \"mongodb2.example.net:27017\",\n \"arbiterOnly\" : false,\n \"buildIndexes\" : true,\n \"hidden\" : false,\n \"priority\" : 1,\n \"tags\" : {\n\n },\n \"secondaryDelaySecs\" : NumberLong(0),\n \"votes\" : 1\n }\n \n ],\n \"settings\" : {\n \"chainingAllowed\" : true,\n \"heartbeatIntervalMillis\" : 2000,\n \"heartbeatTimeoutSecs\" : 10,\n \"electionTimeoutMillis\" : 10000,\n \"catchUpTimeoutMillis\" : -1,\n \"getLastErrorModes\" : {\n\n },\n \"getLastErrorDefaults\" : {\n \"w\" : 1,\n \"wtimeout\" : 0\n },\n \"replicaSetId\" : ObjectId(\"585ab9df685f726db2c6a840\")\n }\n}\n","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-string">"rs0"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"version"</span> <!-- -->: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"protocolVersion"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">NumberLong</span>(<span class="lg-highlight-number">1</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"members"</span> <!-- -->: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">0</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"host"</span> <!-- -->: <span class="lg-highlight-string">"mongodb0.example.net:27017"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"arbiterOnly"</span> <!-- -->: <span class="lg-highlight-literal">false</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"buildIndexes"</span> <!-- -->: <span class="lg-highlight-literal">true</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"hidden"</span> <!-- -->: <span class="lg-highlight-literal">false</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"priority"</span> <!-- -->: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"tags"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"secondaryDelaySecs"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">NumberLong</span>(<span class="lg-highlight-number">0</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"votes"</span> <!-- -->: <span class="lg-highlight-number">1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"host"</span> <!-- -->: <span class="lg-highlight-string">"mongodb1.example.net:27017"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"arbiterOnly"</span> <!-- -->: <span class="lg-highlight-literal">false</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"buildIndexes"</span> <!-- -->: <span class="lg-highlight-literal">true</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"hidden"</span> <!-- -->: <span class="lg-highlight-literal">false</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"priority"</span> <!-- -->: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"tags"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"secondaryDelaySecs"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">NumberLong</span>(<span class="lg-highlight-number">0</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"votes"</span> <!-- -->: <span class="lg-highlight-number">1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">2</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"host"</span> <!-- -->: <span class="lg-highlight-string">"mongodb2.example.net:27017"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"arbiterOnly"</span> <!-- -->: <span class="lg-highlight-literal">false</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"buildIndexes"</span> <!-- -->: <span class="lg-highlight-literal">true</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"hidden"</span> <!-- -->: <span class="lg-highlight-literal">false</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"priority"</span> <!-- -->: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"tags"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"secondaryDelaySecs"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">NumberLong</span>(<span class="lg-highlight-number">0</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"votes"</span> <!-- -->: <span class="lg-highlight-number">1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> </td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"settings"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"chainingAllowed"</span> <!-- -->: <span class="lg-highlight-literal">true</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"heartbeatIntervalMillis"</span> <!-- -->: <span class="lg-highlight-number">2000</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"heartbeatTimeoutSecs"</span> <!-- -->: <span class="lg-highlight-number">10</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"electionTimeoutMillis"</span> <!-- -->: <span class="lg-highlight-number">10000</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"catchUpTimeoutMillis"</span> <!-- -->: <!-- -->-<span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"getLastErrorModes"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"getLastErrorDefaults"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"w"</span> <!-- -->: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"wtimeout"</span> <!-- -->: <span class="lg-highlight-number">0</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"replicaSetId"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">ObjectId</span>(<span class="lg-highlight-string">"585ab9df685f726db2c6a840"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Optional. Configure the member eligibility for becoming primary.
<a class="headerlink leafygreen-ui-1kepx47" href="#optional-configure-the-member-eligibility-for-becoming-primary" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="optional-configure-the-member-eligibility-for-becoming-primary">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
In some cases, you may prefer that the members in one data center be
elected primary before the members in the other data centers. You can
modify the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/#mongodb-rsconf-rsconf.members-n-.priority">
<code class="leafygreen-ui-1l06pbn">
priority
</code>
</a>
of the members such that the
members in the one data center has higher
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/#mongodb-rsconf-rsconf.members-n-.priority">
<code class="leafygreen-ui-1l06pbn">
priority
</code>
</a>
than the members in the other data
centers.
</p>
<p class="leafygreen-ui-1kp3ins">
Some members of the replica set, such as members that have networking
restraint or limited resources, should not be able to become primary
in a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-failover">
failover
</a>
. Configure members that should not become
primary to have
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/replica-set-priority-0-member/#std-label-replica-set-secondary-only-members">
priority 0
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
For example, to lower the relative eligibility of the member
located in one of the sites (in this example,
<code class="leafygreen-ui-1l06pbn">
mongodb2.example.net
</code>
), set the member's priority to
<code class="leafygreen-ui-1l06pbn">
0.5
</code>
.
</p>
<ol class="leafygreen-ui-rioki0" type="a">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
View the replica set configuration to determine the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/#mongodb-rsconf-rsconf.members">
<code class="leafygreen-ui-1l06pbn">
members
</code>
</a>
array position for the member. Keep
in mind the array position is not the same as the
<code class="leafygreen-ui-1l06pbn">
_id
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"rs.conf()","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">rs.<span class="lg-highlight-title lg-highlight-function">conf</span>(<!-- -->)</td></tr></tbody></table></code></pre>
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</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Copy the replica set configuration object to a variable (to
<code class="leafygreen-ui-1l06pbn">
cfg
</code>
in
the example below). Then, in the variable, set the correct priority for
the member. Then pass the variable to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.reconfig/#mongodb-method-rs.reconfig">
<code class="leafygreen-ui-1l06pbn">
rs.reconfig()
</code>
</a>
to update
the replica set configuration.
</p>
<p class="leafygreen-ui-1kp3ins">
For example, to set priority for the third member in the array (i.e.,
the member at position 2), issue the following sequence of commands:
</p>
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</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">cfg <!-- -->= <!-- -->rs.<span class="lg-highlight-title lg-highlight-function">conf</span>(<!-- -->)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">cfg.<span class="lg-highlight-property">members</span>[<span class="lg-highlight-number">2</span>].<span class="lg-highlight-property">priority</span> <!-- -->= <span class="lg-highlight-number">0.5</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">rs.<span class="lg-highlight-title lg-highlight-function">reconfig</span>(<!-- -->cfg)</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.reconfig/#mongodb-method-rs.reconfig">
<code class="leafygreen-ui-1l06pbn">
rs.reconfig()
</code>
</a>
shell method can force the current
primary to step down, causing an election. When the primary steps
down, all clients will disconnect. This is the intended behavior.
While median time to elect a new primary should not typically
exceed 12 seconds, always make sure any replica configuration
changes occur during scheduled maintenance periods.
</p>
</div>
</div>
</li>
</ol>
<p class="leafygreen-ui-1kp3ins">
After these commands return, you have a geographically redundant
three-member replica set.
</p>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
6
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Ensure that the replica set has a primary.
<a class="headerlink leafygreen-ui-1kepx47" href="#ensure-that-the-replica-set-has-a-primary" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="ensure-that-the-replica-set-has-a-primary">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.status/#mongodb-method-rs.status">
<code class="leafygreen-ui-1l06pbn">
rs.status()
</code>
</a>
to identify the primary in the replica set.
</p>
</section>
</div>
</div>
</div>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Deploy a Geographically Redundant Five-Member Replica Set
<a class="headerlink leafygreen-ui-1kepx47" href="#deploy-a-geographically-redundant-five-member-replica-set" title="Permalink to this heading">
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</div>
</a>
</h3>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
To avoid configuration updates due to IP address changes, use DNS
hostnames instead of IP addresses. It is particularly important to
use a DNS hostname instead of an IP address when configuring replica
set members or sharded cluster members.
</p>
<p class="leafygreen-ui-1kp3ins">
Use hostnames instead of IP addresses to configure clusters across a
split network horizon. Starting in MongoDB 5.0, nodes that are only
configured with an IP address fail startup validation and do not start.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For a geographically redundant five-member replica set deployment, you
must decide how to distribute your system. Some possible distributions
for the five members are:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Across Three Data Centers: Two members in Site A, two members in Site
B, one member in Site C.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Across Four Data Centers: Two members in one site, and one member in
the other three sites.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Across Five Data Centers: One member in each site.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Across Two Data Centers: Three members in Site A and two members in
Site B. If possible, avoid distributing config server replica set across only
two data centers.
</p>
</li>
</ul>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Distributing replica set members across two data centers provides
benefit over a single data center. In a two data center
distribution,
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If one of the data centers goes down, the data is still available
for reads unlike a single data center distribution.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If the data center with a minority of the members goes down, the
replica set can still serve write operations as well as read
operations.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
However, if the data center with the majority of the members goes
down, the replica set becomes read-only.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
If possible, distribute members across at least three data centers.
For config server replica sets (CSRS), the best practice is to
distribute across three (or more depending on the number of members)
centers. If the cost of the third data center is prohibitive, one
distribution possibility is to evenly distribute the data bearing
members across the two data centers and store the remaining member
in the cloud if your company policy allows.
</p>
</div>
</div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"Start each member of the replica set with the appropriate options.For each member, start a mongod instance with the\nfollowing settings:Set replication.replSetName option to the replica set name,If your application connects to more than one replica set, each set must\nhave a distinct name. Some drivers group replica set connections by\nreplica set name.Set net.bindIp option to the hostname/ip address or a\ncomma-delimited list of hostnames/ip addresses, andSet any other settings as appropriate for your deployment.In this tutorial, the five mongod instances are\nassociated with the following hosts:Replica Set MemberHostnameMember 0mongodb0.example.netMember 1mongodb1.example.netMember 2mongodb2.example.netMember 3mongodb3.example.netMember 4mongodb4.example.netThe following example specifies the replica set name and the ip\nbinding through the --replSet and --bind_ip\ncommand-line options:Before you bind your instance to a publicly-accessible IP address,\nyou must secure your cluster from unauthorized access. For a complete\nlist of security recommendations, see\nSecurity Checklist for Self-Managed Deployments. At minimum, consider\nenabling authentication and hardening\nnetwork infrastructure.For <hostname(s)|ip address(es)>, specify the hostname(s) and/or\nip address(es) for your mongod instance that remote\nclients (including the other members of the replica set) can use to\nconnect to the instance.Alternatively, you can also specify the replica set name and the hostnames/ip\naddresses in a\nconfiguration file:To start mongod with a configuration file, specify the\nconfiguration file's path with the --config option:In production deployments, you can configure a init script\nto manage this process. Init scripts are beyond the scope of this\ndocument."},{"@type":"HowToStep","text":"Connect mongosh to one of the mongod instances.From the same machine where one of the mongod is running\n(in this tutorial, mongodb0.example.net), start\nmongosh. To connect to the mongod\nlistening to localhost on the default port of 27017, simply issue:Depending on your path, you may need to specify the path to the\nmongosh binary.If your mongod is not running on the default port, specify the\n--port option for mongosh."},{"@type":"HowToStep","text":"Initiate the replica set.From mongosh, run rs.initiate() on\nreplica set member 0.Run rs.initiate() on only one mongod instance\nfor the replica set."},{"@type":"HowToStep","text":"View the replica set configuration.Use rs.conf() to display the replica set configuration\nobject:The replica set configuration object resembles the following:"},{"@type":"HowToStep","text":"Optional. Configure the member eligibility for becoming primary.In some cases, you may prefer that the members in one data center be\nelected primary before the members in the other data centers. You can\nmodify the priority of the members such that the\nmembers in the one data center has higher\npriority than the members in the other data\ncenters.Some members of the replica set, such as members that have networking\nrestraint or limited resources, should not be able to become primary\nin a failover. Configure members that should not become\nprimary to have priority 0.For example, to lower the relative eligibility of the member\nlocated in one of the sites (in this example,\nmongodb2.example.net), set the member's priority to 0.5.View the replica set configuration to determine the\nmembers array position for the member. Keep\nin mind the array position is not the same as the _id:Copy the replica set configuration object to a variable (to cfg in\nthe example below). Then, in the variable, set the correct priority for\nthe member. Then pass the variable to rs.reconfig() to update\nthe replica set configuration.For example, to set priority for the third member in the array (i.e.,\nthe member at position 2), issue the following sequence of commands:The rs.reconfig() shell method can force the current\nprimary to step down, causing an election. When the primary steps\ndown, all clients will disconnect. This is the intended behavior.\nWhile median time to elect a new primary should not typically\nexceed 12 seconds, always make sure any replica configuration\nchanges occur during scheduled maintenance periods.After these commands return, you have a geographically redundant\nfive-member replica set."},{"@type":"HowToStep","text":"Ensure that the replica set has a primary.Use rs.status() to identify the primary in the replica set."}],"name":"Deploy a Geographically Redundant Five-Member Replica Set","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
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<div class="css-4nyere eccljxs0">
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
1
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Start each member of the replica set with the appropriate options.
<a class="headerlink leafygreen-ui-1kepx47" href="#start-each-member-of-the-replica-set-with-the-appropriate-options-1" title="Permalink to this heading">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
For each member, start a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance with the
following settings:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Set
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-replication.replSetName">
<code class="leafygreen-ui-1l06pbn">
replication.replSetName
</code>
</a>
option to the replica set name,
</p>
<p class="leafygreen-ui-1kp3ins">
If your application connects to more than one replica set, each set must
have a distinct name. Some drivers group replica set connections by
replica set name.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Set
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.bindIp">
<code class="leafygreen-ui-1l06pbn">
net.bindIp
</code>
</a>
option to the hostname/ip address or a
comma-delimited list of hostnames/ip addresses, and
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Set any other settings as appropriate for your deployment.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
In this tutorial, the five
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instances are
associated with the following hosts:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Replica Set Member
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Hostname
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Member 0
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
mongodb0.example.net
</code>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Member 1
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
mongodb1.example.net
</code>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Member 2
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
mongodb2.example.net
</code>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Member 3
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
mongodb3.example.net
</code>
</div>
</div>
</td>
</tr>
<tr class="leafygreen-ui-15dvrnp">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Member 4
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
mongodb4.example.net
</code>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<p class="leafygreen-ui-1kp3ins">
The following example specifies the replica set name and the ip
binding through the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--replSet">
<code class="leafygreen-ui-1l06pbn">
--replSet
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--bind_ip">
<code class="leafygreen-ui-1l06pbn">
--bind_ip
</code>
</a>
command-line options:
</p>
<div class="leafygreen-ui-1sjx7ru" role="note">
<h2 class="leafygreen-ui-29m78u">
Warning
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Before you bind your instance to a publicly-accessible IP address,
you must secure your cluster from unauthorized access. For a complete
list of security recommendations, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/security-checklist/#std-label-security-checklist">
Security Checklist for Self-Managed Deployments
</a>
. At minimum, consider
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/security-checklist/#std-label-checklist-auth">
enabling authentication
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/security-hardening/#std-label-network-config-hardening">
hardening
network infrastructure
<!-- -->
.
</a>
</p>
</div>
</div>
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</script>
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<div class="leafygreen-ui-196mwvg">
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<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongod --replSet <span class="lg-highlight-string">"rs0"</span> --bind_ip localhost,<hostname(s)|ip address(es)></td></tr></tbody></table></code></pre>
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<p class="leafygreen-ui-1kp3ins">
For
<code class="leafygreen-ui-1l06pbn">
<hostname(s)|ip address(es)>
</code>
, specify the hostname(s) and/or
ip address(es) for your
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance that remote
clients (including the other members of the replica set) can use to
connect to the instance.
</p>
<p class="leafygreen-ui-1kp3ins">
Alternatively, you can also specify the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-replication.replSetName">
<code class="leafygreen-ui-1l06pbn">
replica set name
</code>
</a>
and the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.bindIp">
<code class="leafygreen-ui-1l06pbn">
hostnames/ip
addresses
</code>
</a>
in a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#std-label-configuration-options">
configuration file
<!-- -->
:
</a>
</p>
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<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light yaml leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">replication:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">replSetName:</span> <span class="lg-highlight-string">"rs0"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">net:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">bindIp:</span> <span class="lg-highlight-string">localhost,<hostname(s)|ip</span> <span class="lg-highlight-string">address(es)></span></td></tr></tbody></table></code></pre>
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
To start
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
with a configuration file, specify the
configuration file's path with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--config">
<code class="leafygreen-ui-1l06pbn">
--config
</code>
</a>
option:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongod --config <path-to-config>","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongod --config <path-to-config></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
In production deployments, you can configure a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-init-script">
init script
</a>
to manage this process. Init scripts are beyond the scope of this
document.
</p>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Connect
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
to one of the
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
instances.
<a class="headerlink leafygreen-ui-1kepx47" href="#connect-to-one-of-the-mongod-instances-1" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="connect-to-one-of-the-mongod-instances-1">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
From the same machine where one of the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
is running
(in this tutorial,
<code class="leafygreen-ui-1l06pbn">
mongodb0.example.net
</code>
), start
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
. To connect to the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
listening to localhost on the default port of
<code class="leafygreen-ui-1l06pbn">
27017
</code>
, simply issue:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongosh\n","programmingLanguage":"Shell"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light shell leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongosh</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Depending on your path, you may need to specify the path to the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
binary.
</p>
<p class="leafygreen-ui-1kp3ins">
If your
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
is not running on the default port, specify the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/reference/options/#std-option-mongosh.--port" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
--port
</code>
</span>
</a>
option for
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
.
</p>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
3
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Initiate the replica set.
<a class="headerlink leafygreen-ui-1kepx47" href="#initiate-the-replica-set-1" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="initiate-the-replica-set-1">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
From
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
, run
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.initiate/#mongodb-method-rs.initiate">
<code class="leafygreen-ui-1l06pbn">
rs.initiate()
</code>
</a>
on
replica set member 0.
</p>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Run
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.initiate/#mongodb-method-rs.initiate">
<code class="leafygreen-ui-1l06pbn">
rs.initiate()
</code>
</a>
on
<em>
only one
</em>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance
for the replica set.
</p>
</div>
</div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"rs.initiate( {\n _id : \"rs0\",\n members: [\n { _id: 0, host: \"mongodb0.example.net:27017\" },\n { _id: 1, host: \"mongodb1.example.net:27017\" },\n { _id: 2, host: \"mongodb2.example.net:27017\" },\n { _id: 3, host: \"mongodb3.example.net:27017\" },\n { _id: 4, host: \"mongodb4.example.net:27017\" }\n ]\n})\n","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">rs.<span class="lg-highlight-title lg-highlight-function">initiate</span>( <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->_id <!-- -->: <span class="lg-highlight-string">"rs0"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">members</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">0</span>, <span class="lg-highlight-attr">host</span>: <span class="lg-highlight-string">"mongodb0.example.net:27017"</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">host</span>: <span class="lg-highlight-string">"mongodb1.example.net:27017"</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">2</span>, <span class="lg-highlight-attr">host</span>: <span class="lg-highlight-string">"mongodb2.example.net:27017"</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">3</span>, <span class="lg-highlight-attr">host</span>: <span class="lg-highlight-string">"mongodb3.example.net:27017"</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">4</span>, <span class="lg-highlight-attr">host</span>: <span class="lg-highlight-string">"mongodb4.example.net:27017"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">})</td></tr></tbody></table></code></pre>
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
4
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
View the replica set configuration.
<a class="headerlink leafygreen-ui-1kepx47" href="#view-the-replica-set-configuration-1" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="view-the-replica-set-configuration-1">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.conf/#mongodb-method-rs.conf">
<code class="leafygreen-ui-1l06pbn">
rs.conf()
</code>
</a>
to display the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/">
replica set configuration
object
<!-- -->
:
</a>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"rs.conf()","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">rs.<span class="lg-highlight-title lg-highlight-function">conf</span>(<!-- -->)</td></tr></tbody></table></code></pre>
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<p class="leafygreen-ui-1kp3ins">
The replica set configuration object resembles the following:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n \"_id\" : \"rs0\",\n \"version\" : 1,\n \"protocolVersion\" : NumberLong(1),\n \"writeConcernMajorityJournalDefault\" : true,\n \"members\" : [\n {\n \"_id\" : 0,\n \"host\" : \"mongodb0.example.net:27017\",\n \"arbiterOnly\" : false,\n \"buildIndexes\" : true,\n \"hidden\" : false,\n \"priority\" : 1,\n \"tags\" : {\n\n },\n \"secondaryDelaySecs\" : NumberLong(0),\n \"votes\" : 1\n },\n {\n \"_id\" : 1,\n \"host\" : \"mongodb1.example.net:27017\",\n \"arbiterOnly\" : false,\n \"buildIndexes\" : true,\n \"hidden\" : false,\n \"priority\" : 1,\n \"tags\" : {\n\n },\n \"secondaryDelaySecs\" : NumberLong(0),\n \"votes\" : 1\n },\n {\n \"_id\" : 2,\n \"host\" : \"mongodb2.example.net:27017\",\n \"arbiterOnly\" : false,\n \"buildIndexes\" : true,\n \"hidden\" : false,\n \"priority\" : 1,\n \"tags\" : {\n\n },\n \"secondaryDelaySecs\" : NumberLong(0),\n \"votes\" : 1\n },\n {\n \"_id\" : 3,\n \"host\" : \"mongodb3.example.net:27017\",\n \"arbiterOnly\" : false,\n \"buildIndexes\" : true,\n \"hidden\" : false,\n \"priority\" : 1,\n \"tags\" : {\n\n },\n \"secondaryDelaySecs\" : NumberLong(0),\n \"votes\" : 1\n },\n {\n \"_id\" : 4,\n \"host\" : \"mongodb4.example.net:27017\",\n \"arbiterOnly\" : false,\n \"buildIndexes\" : true,\n \"hidden\" : false,\n \"priority\" : 1,\n \"tags\" : {\n\n },\n \"secondaryDelaySecs\" : NumberLong(0),\n \"votes\" : 1\n }\n ],\n \"settings\" : {\n \"chainingAllowed\" : true,\n \"heartbeatIntervalMillis\" : 2000,\n \"heartbeatTimeoutSecs\" : 10,\n \"electionTimeoutMillis\" : 10000,\n \"catchUpTimeoutMillis\" : -1,\n \"catchUpTakeoverDelayMillis\" : 30000,\n \"getLastErrorModes\" : {\n\n },\n \"getLastErrorDefaults\" : {\n \"w\" : 1,\n \"wtimeout\" : 0\n },\n \"replicaSetId\" : ObjectId(\"5df2c9ccc21c478b838b98d6\")\n }\n}","programmingLanguage":"JavaScript"}
</script>
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<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-string">"rs0"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"version"</span> <!-- -->: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"protocolVersion"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">NumberLong</span>(<span class="lg-highlight-number">1</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"writeConcernMajorityJournalDefault"</span> <!-- -->: <span class="lg-highlight-literal">true</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"members"</span> <!-- -->: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">0</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"host"</span> <!-- -->: <span class="lg-highlight-string">"mongodb0.example.net:27017"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"arbiterOnly"</span> <!-- -->: <span class="lg-highlight-literal">false</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"buildIndexes"</span> <!-- -->: <span class="lg-highlight-literal">true</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"hidden"</span> <!-- -->: <span class="lg-highlight-literal">false</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"priority"</span> <!-- -->: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"tags"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"secondaryDelaySecs"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">NumberLong</span>(<span class="lg-highlight-number">0</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"votes"</span> <!-- -->: <span class="lg-highlight-number">1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"host"</span> <!-- -->: <span class="lg-highlight-string">"mongodb1.example.net:27017"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"arbiterOnly"</span> <!-- -->: <span class="lg-highlight-literal">false</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"buildIndexes"</span> <!-- -->: <span class="lg-highlight-literal">true</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"hidden"</span> <!-- -->: <span class="lg-highlight-literal">false</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"priority"</span> <!-- -->: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"tags"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"secondaryDelaySecs"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">NumberLong</span>(<span class="lg-highlight-number">0</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"votes"</span> <!-- -->: <span class="lg-highlight-number">1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">2</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"host"</span> <!-- -->: <span class="lg-highlight-string">"mongodb2.example.net:27017"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"arbiterOnly"</span> <!-- -->: <span class="lg-highlight-literal">false</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"buildIndexes"</span> <!-- -->: <span class="lg-highlight-literal">true</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"hidden"</span> <!-- -->: <span class="lg-highlight-literal">false</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"priority"</span> <!-- -->: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"tags"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"secondaryDelaySecs"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">NumberLong</span>(<span class="lg-highlight-number">0</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"votes"</span> <!-- -->: <span class="lg-highlight-number">1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">3</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"host"</span> <!-- -->: <span class="lg-highlight-string">"mongodb3.example.net:27017"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"arbiterOnly"</span> <!-- -->: <span class="lg-highlight-literal">false</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"buildIndexes"</span> <!-- -->: <span class="lg-highlight-literal">true</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"hidden"</span> <!-- -->: <span class="lg-highlight-literal">false</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"priority"</span> <!-- -->: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"tags"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"secondaryDelaySecs"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">NumberLong</span>(<span class="lg-highlight-number">0</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"votes"</span> <!-- -->: <span class="lg-highlight-number">1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"_id"</span> <!-- -->: <span class="lg-highlight-number">4</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"host"</span> <!-- -->: <span class="lg-highlight-string">"mongodb4.example.net:27017"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"arbiterOnly"</span> <!-- -->: <span class="lg-highlight-literal">false</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"buildIndexes"</span> <!-- -->: <span class="lg-highlight-literal">true</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"hidden"</span> <!-- -->: <span class="lg-highlight-literal">false</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"priority"</span> <!-- -->: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"tags"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"secondaryDelaySecs"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">NumberLong</span>(<span class="lg-highlight-number">0</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"votes"</span> <!-- -->: <span class="lg-highlight-number">1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"settings"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"chainingAllowed"</span> <!-- -->: <span class="lg-highlight-literal">true</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"heartbeatIntervalMillis"</span> <!-- -->: <span class="lg-highlight-number">2000</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"heartbeatTimeoutSecs"</span> <!-- -->: <span class="lg-highlight-number">10</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"electionTimeoutMillis"</span> <!-- -->: <span class="lg-highlight-number">10000</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"catchUpTimeoutMillis"</span> <!-- -->: <!-- -->-<span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"catchUpTakeoverDelayMillis"</span> <!-- -->: <span class="lg-highlight-number">30000</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"getLastErrorModes"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"getLastErrorDefaults"</span> <!-- -->: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"w"</span> <!-- -->: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"wtimeout"</span> <!-- -->: <span class="lg-highlight-number">0</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"replicaSetId"</span> <!-- -->: <span class="lg-highlight-title lg-highlight-class">ObjectId</span>(<span class="lg-highlight-string">"5df2c9ccc21c478b838b98d6"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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<div class="css-1nuklj8 e1ckbxcu1">
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<div class="css-19lsqsq e1ckbxcu2">
5
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Optional. Configure the member eligibility for becoming primary.
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<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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<div class="css-1btu0w3 evvkmar0" id="optional-configure-the-member-eligibility-for-becoming-primary-1">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
In some cases, you may prefer that the members in one data center be
elected primary before the members in the other data centers. You can
modify the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/#mongodb-rsconf-rsconf.members-n-.priority">
<code class="leafygreen-ui-1l06pbn">
priority
</code>
</a>
of the members such that the
members in the one data center has higher
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/#mongodb-rsconf-rsconf.members-n-.priority">
<code class="leafygreen-ui-1l06pbn">
priority
</code>
</a>
than the members in the other data
centers.
</p>
<p class="leafygreen-ui-1kp3ins">
Some members of the replica set, such as members that have networking
restraint or limited resources, should not be able to become primary
in a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-failover">
failover
</a>
. Configure members that should not become
primary to have
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/replica-set-priority-0-member/#std-label-replica-set-secondary-only-members">
priority 0
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
For example, to lower the relative eligibility of the member
located in one of the sites (in this example,
<code class="leafygreen-ui-1l06pbn">
mongodb2.example.net
</code>
), set the member's priority to
<code class="leafygreen-ui-1l06pbn">
0.5
</code>
.
</p>
<ol class="leafygreen-ui-rioki0" type="a">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
View the replica set configuration to determine the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/#mongodb-rsconf-rsconf.members">
<code class="leafygreen-ui-1l06pbn">
members
</code>
</a>
array position for the member. Keep
in mind the array position is not the same as the
<code class="leafygreen-ui-1l06pbn">
_id
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"rs.conf()","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">rs.<span class="lg-highlight-title lg-highlight-function">conf</span>(<!-- -->)</td></tr></tbody></table></code></pre>
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<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
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</div>
</button>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Copy the replica set configuration object to a variable (to
<code class="leafygreen-ui-1l06pbn">
cfg
</code>
in
the example below). Then, in the variable, set the correct priority for
the member. Then pass the variable to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.reconfig/#mongodb-method-rs.reconfig">
<code class="leafygreen-ui-1l06pbn">
rs.reconfig()
</code>
</a>
to update
the replica set configuration.
</p>
<p class="leafygreen-ui-1kp3ins">
For example, to set priority for the third member in the array (i.e.,
the member at position 2), issue the following sequence of commands:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"cfg = rs.conf()\ncfg.members[2].priority = 0.5\nrs.reconfig(cfg)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">cfg <!-- -->= <!-- -->rs.<span class="lg-highlight-title lg-highlight-function">conf</span>(<!-- -->)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">cfg.<span class="lg-highlight-property">members</span>[<span class="lg-highlight-number">2</span>].<span class="lg-highlight-property">priority</span> <!-- -->= <span class="lg-highlight-number">0.5</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">rs.<span class="lg-highlight-title lg-highlight-function">reconfig</span>(<!-- -->cfg)</td></tr></tbody></table></code></pre>
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</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.reconfig/#mongodb-method-rs.reconfig">
<code class="leafygreen-ui-1l06pbn">
rs.reconfig()
</code>
</a>
shell method can force the current
primary to step down, causing an election. When the primary steps
down, all clients will disconnect. This is the intended behavior.
While median time to elect a new primary should not typically
exceed 12 seconds, always make sure any replica configuration
changes occur during scheduled maintenance periods.
</p>
</div>
</div>
</li>
</ol>
<p class="leafygreen-ui-1kp3ins">
After these commands return, you have a geographically redundant
five-member replica set.
</p>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
6
</div>
</div>
<div class="css-1ed38mk">
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Ensure that the replica set has a primary.
<a class="headerlink leafygreen-ui-1kepx47" href="#ensure-that-the-replica-set-has-a-primary-1" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="ensure-that-the-replica-set-has-a-primary-1">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.status/#mongodb-method-rs.status">
<code class="leafygreen-ui-1l06pbn">
rs.status()
</code>
</a>
to identify the primary in the replica set.
</p>
</section>
</div>
</div>
</div>
</section>
</section>
</section>
|
https://www.mongodb.com/docs/manual/tutorial/deploy-replica-set-for-testing/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Deploy a Self-Managed Replica Set for Testing and Development
<a class="headerlink leafygreen-ui-1kepx47" href="#deploy-a-self-managed-replica-set-for-testing-and-development" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="deploy-a-self-managed-replica-set-for-testing-and-development">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#overview" target="_self">
<span>
Overview
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#requirements" target="_self">
<span>
Requirements
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#considerations" target="_self">
<span>
Considerations
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#procedure" target="_self">
<span>
Procedure
</span>
</a>
</li>
</ul>
</div>
<p class="leafygreen-ui-1kp3ins">
This procedure describes deploying a replica set in a development or
test environment. For a production deployment, refer to the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/deploy-replica-set/">
Deploy a Self-Managed Replica Set
</a>
tutorial.
</p>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Overview
<a class="headerlink leafygreen-ui-1kepx47" href="#overview" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="overview">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Three member
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-replica-set">
replica sets
</a>
provide enough
redundancy to survive most network partitions and other system
failures. These sets also have sufficient capacity for many distributed
read operations. Replica sets should always have an odd number of
members. This ensures that
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/replica-set-elections/">
elections
</a>
will proceed smoothly. For more about
designing replica sets, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/replication/">
the Replication overview
<!-- -->
.
</a>
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Requirements
<a class="headerlink leafygreen-ui-1kepx47" href="#requirements" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="requirements">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
For test and development systems, you can run your
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instances on a local system, or within a virtual instance.
</p>
<p class="leafygreen-ui-1kp3ins">
Before you can deploy a replica set, you must install MongoDB on
each system that will be part of your
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-replica-set">
replica set
</a>
.
If you have not already installed MongoDB, see the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/installation/#std-label-tutorial-installation">
installation tutorials
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
Each member must be able to connect to every other member. For
instructions on how to check your connection, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/tutorial/troubleshoot-replica-sets/#std-label-replica-set-troubleshooting-check-connection">
Test Connections Between all Members
<!-- -->
.
</a>
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Considerations
<a class="headerlink leafygreen-ui-1kepx47" href="#considerations" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="considerations">
</div>
</a>
</h2>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
To avoid configuration updates due to IP address changes, use DNS
hostnames instead of IP addresses. It is particularly important to
use a DNS hostname instead of an IP address when configuring replica
set members or sharded cluster members.
</p>
<p class="leafygreen-ui-1kp3ins">
Use hostnames instead of IP addresses to configure clusters across a
split network horizon. Starting in MongoDB 5.0, nodes that are only
configured with an IP address fail startup validation and do not start.
</p>
</div>
</div>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
IP Binding
<a class="headerlink leafygreen-ui-1kepx47" href="#ip-binding" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="ip-binding">
</div>
</a>
</h3>
<div class="leafygreen-ui-1sjx7ru" role="note">
<h2 class="leafygreen-ui-29m78u">
Warning
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Before you bind your instance to a publicly-accessible IP address,
you must secure your cluster from unauthorized access. For a complete
list of security recommendations, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/security-checklist/#std-label-security-checklist">
Security Checklist for Self-Managed Deployments
</a>
. At minimum, consider
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/security-checklist/#std-label-checklist-auth">
enabling authentication
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/security-hardening/#std-label-network-config-hardening">
hardening
network infrastructure
<!-- -->
.
</a>
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
MongoDB binaries,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
, bind
to localhost by default. If the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.ipv6">
<code class="leafygreen-ui-1l06pbn">
net.ipv6
</code>
</a>
configuration file
setting or the
<code class="leafygreen-ui-1l06pbn">
--ipv6
</code>
command line option is set for the binary,
the binary additionally binds to the localhost IPv6 address.
</p>
<p class="leafygreen-ui-1kp3ins">
By default
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
that are
bound to localhost only accept connections from clients that are
running on the same computer. This binding behavior includes
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
and other members of your replica set or sharded
cluster. Remote clients cannot connect to binaries that are bound only
to localhost.
</p>
<p class="leafygreen-ui-1kp3ins">
To override the default binding and bind to other IP addresses, use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.bindIp">
<code class="leafygreen-ui-1l06pbn">
net.bindIp
</code>
</a>
configuration file setting or the
<code class="leafygreen-ui-1l06pbn">
--bind_ip
</code>
command-line option to specify a list of hostnames or IP addresses.
</p>
<div class="leafygreen-ui-1sjx7ru" role="note">
<h2 class="leafygreen-ui-29m78u">
Warning
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Starting in MongDB 5.0,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://en.wikipedia.org/wiki/Split-horizon_DNS" rel="noopener noreferrer">
<span>
split horizon DNS
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
nodes that are
only configured with an IP address fail startup validation and
report an error. See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.disableSplitHorizonIPCheck">
<code class="leafygreen-ui-1l06pbn">
disableSplitHorizonIPCheck
</code>
.
</a>
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For example, the following
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance binds to both
the localhost and the hostname
<code class="leafygreen-ui-1l06pbn">
My-Example-Associated-Hostname
</code>
, which is
associated with the IP address
<code class="leafygreen-ui-1l06pbn">
198.51.100.1
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongod --bind_ip localhost,My-Example-Associated-Hostname"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongod --bind_ip localhost,My-Example-Associated-Hostname</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
In order to connect to this instance, remote clients must specify
the hostname or its associated IP address
<code class="leafygreen-ui-1l06pbn">
198.51.100.1
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongosh --host My-Example-Associated-Hostname\n\nmongosh --host 198.51.100.1"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongosh --host My-Example-Associated-Hostname</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">mongosh --host 198.51.100.1</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
In this test deployment, the three members run on the same machine.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Replica Set Naming
<a class="headerlink leafygreen-ui-1kepx47" href="#replica-set-naming" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="replica-set-naming">
</div>
</a>
</h3>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
These instructions should only be used for test or
development deployments.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The examples in this procedure create a new replica set named
<code class="leafygreen-ui-1l06pbn">
rs0
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
If your application connects to more than one replica set, each set must
have a distinct name. Some drivers group replica set connections by
replica set name.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Procedure
<a class="headerlink leafygreen-ui-1kepx47" href="#procedure" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="procedure">
</div>
</a>
</h2>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
To avoid configuration updates due to IP address changes, use DNS
hostnames instead of IP addresses. It is particularly important to
use a DNS hostname instead of an IP address when configuring replica
set members or sharded cluster members.
</p>
<p class="leafygreen-ui-1kp3ins">
Use hostnames instead of IP addresses to configure clusters across a
split network horizon. Starting in MongoDB 5.0, nodes that are only
configured with an IP address fail startup validation and do not start.
</p>
</div>
</div>
<ol class="leafygreen-ui-rioki0" type="1">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Create the necessary data directories for each member by issuing a
command similar to the following:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mkdir -p /srv/mongodb/rs0-0 /srv/mongodb/rs0-1 /srv/mongodb/rs0-2","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-built_in">mkdir</span> -p <!-- -->/srv/mongodb/rs<!-- -->0-0 <!-- -->/srv/mongodb/rs<!-- -->0-1 <!-- -->/srv/mongodb/rs<!-- -->0-2</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
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</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
This will create directories called "rs0-0", "rs0-1", and "rs0-2", which
will contain the instances' database files.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Start your
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instances in their own shell windows by issuing the following
commands:
</p>
<div class="leafygreen-ui-1sjx7ru" role="note">
<h2 class="leafygreen-ui-29m78u">
Warning
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Before you bind your instance to a publicly-accessible IP address,
you must secure your cluster from unauthorized access. For a complete
list of security recommendations, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/security-checklist/#std-label-security-checklist">
Security Checklist for Self-Managed Deployments
</a>
. At minimum, consider
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/security-checklist/#std-label-checklist-auth">
enabling authentication
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/security-hardening/#std-label-network-config-hardening">
hardening
network infrastructure
<!-- -->
.
</a>
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
First member:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongod --replSet rs0 --port 27017 --bind_ip localhost,<hostname(s)|ip> --dbpath /srv/mongodb/rs0-0 --oplogSize 128","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongod --replSet rs0 --port 27017 --bind_ip localhost,<hostname(s)|ip address(es)> --dbpath <!-- -->/srv/mongodb/rs<!-- -->0-0 --oplogSize 128</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Second member:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongod --replSet rs0 --port 27018 --bind_ip localhost,<hostname(s)|ip> --dbpath /srv/mongodb/rs0-1 --oplogSize 128","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongod --replSet rs0 --port 27018 --bind_ip localhost,<hostname(s)|ip address(es)> --dbpath <!-- -->/srv/mongodb/rs<!-- -->0-1 --oplogSize 128</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Third member:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongod --replSet rs0 --port 27019 --bind_ip localhost,<hostname(s)|ip> --dbpath /srv/mongodb/rs0-2 --oplogSize 128","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongod --replSet rs0 --port 27019 --bind_ip localhost,<hostname(s)|ip address(es)> --dbpath <!-- -->/srv/mongodb/rs<!-- -->0-2 --oplogSize 128</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
This starts each instance as a member of a replica set named
<code class="leafygreen-ui-1l06pbn">
rs0
</code>
, each running on a distinct port, and specifies the path to
your data directory with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--dbpath">
<code class="leafygreen-ui-1l06pbn">
--dbpath
</code>
</a>
setting.
If you are already using the suggested ports, select different ports.
</p>
<p class="leafygreen-ui-1kp3ins">
The instances bind to both the localhost and the ip address
of the host.
</p>
<p class="leafygreen-ui-1kp3ins">
The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#std-option-mongod.--oplogSize">
<code class="leafygreen-ui-1l06pbn">
--oplogSize
</code>
</a>
setting reduces the
disk space that each
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance uses.
<a class="footnote-reference header-buffer" href="#footnote-oplog" id="ref-oplog-id1">
[
<!-- -->
1
<!-- -->
]
</a>
This is ideal for testing and development deployments as it prevents
overloading your machine. For more information on this and other
configuration options, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/">
Self-Managed Configuration File Options
<!-- -->
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Connect to one of your
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instances through
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
. You will need to indicate which instance by
specifying its port number. For the sake of simplicity and clarity,
you may want to choose the first one, as in the following command;
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongosh --port 27017","programmingLanguage":"Bash"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light bash leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongosh --port 27017</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
In
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
, use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.initiate/#mongodb-method-rs.initiate">
<code class="leafygreen-ui-1l06pbn">
rs.initiate()
</code>
</a>
to
initiate the replica set. You can create a replica set
configuration object in
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
environment, as
in the following example:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"rsconf = {\n _id: \"rs0\",\n members: [\n {\n _id: 0,\n host: \"<hostname>:27017\"\n },\n {\n _id: 1,\n host: \"<hostname>:27018\"\n },\n {\n _id: 2,\n host: \"<hostname>:27019\"\n }\n ]\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">rsconf <!-- -->= <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-string">"rs0"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">members</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">0</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">host</span>: <span class="lg-highlight-string">"<hostname>:27017"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">host</span>: <span class="lg-highlight-string">"<hostname>:27018"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">2</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">host</span>: <span class="lg-highlight-string">"<hostname>:27019"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
replacing
<code class="leafygreen-ui-1l06pbn">
<hostname>
</code>
with your system's hostname,
and then pass the
<code class="leafygreen-ui-1l06pbn">
rsconf
</code>
file to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.initiate/#mongodb-method-rs.initiate">
<code class="leafygreen-ui-1l06pbn">
rs.initiate()
</code>
</a>
as
follows:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"rs.initiate( rsconf )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">rs.<span class="lg-highlight-title lg-highlight-function">initiate</span>( <!-- -->rsconf )</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Display the current
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/">
replica configuration
</a>
by issuing the following command:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"rs.conf()","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">rs.<span class="lg-highlight-title lg-highlight-function">conf</span>(<!-- -->)</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The replica set configuration object resembles the following:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n \"_id\" : \"rs0\",\n \"version\" : 1,\n \"protocolVersion\" : NumberLong(1),\n \"members\" : [\n {\n \"_id\" : 0,\n \"host\" : \"<hostname>:27017\",\n \"arbiterOnly\" : false,\n \"buildIndexes\" : true,\n \"hidden\" : false,\n \"priority\" : 1,\n \"tags\" : {\n\n },\n \"secondaryDelaySecs\" : NumberLong(0),\n \"votes\" : 1\n },\n {\n \"_id\" : 1,\n \"host\" : \"<hostname>:27018\",\n \"arbiterOnly\" : false,\n \"buildIndexes\" : true,\n \"hidden\" : false,\n \"priority\" : 1,\n \"tags\" : {\n\n },\n \"secondaryDelaySecs\" : NumberLong(0),\n \"votes\" : 1\n },\n {\n \"_id\" : 2,\n \"host\" : \"<hostname>:27019\",\n \"arbiterOnly\" : false,\n \"buildIndexes\" : true,\n \"hidden\" : false,\n \"priority\" : 1,\n \"tags\" : {\n\n },\n \"secondaryDelaySecs\" : NumberLong(0),\n \"votes\" : 1\n }\n ],\n \"settings\" : {\n \"chainingAllowed\" : true,\n \"heartbeatIntervalMillis\" : 2000,\n \"heartbeatTimeoutSecs\" : 10,\n \"electionTimeoutMillis\" : 10000,\n \"catchUpTimeoutMillis\" : -1,\n \"getLastErrorModes\" : {\n\n },\n \"getLastErrorDefaults\" : {\n \"w\" : 1,\n \"wtimeout\" : 0\n },\n \"replicaSetId\" : ObjectId(\"598f630adc9053c6ee6d5f38\")\n }\n}","programmingLanguage":"JSON"}
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<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light json leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"_id"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-string">"rs0"</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"version"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-number">1</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"protocolVersion"</span> <span class="lg-highlight-punctuation">:</span> NumberLong(<span class="lg-highlight-number">1</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"members"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">[</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"_id"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-number">0</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"host"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-string">"<hostname>:27017"</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"arbiterOnly"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-keyword">false</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"buildIndexes"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-keyword">true</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"hidden"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-keyword">false</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"priority"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-number">1</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"tags"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">}</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"secondaryDelaySecs"</span> <span class="lg-highlight-punctuation">:</span> NumberLong(<span class="lg-highlight-number">0</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"votes"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-number">1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">}</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"_id"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-number">1</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"host"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-string">"<hostname>:27018"</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"arbiterOnly"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-keyword">false</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"buildIndexes"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-keyword">true</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"hidden"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-keyword">false</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"priority"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-number">1</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"tags"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">}</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"secondaryDelaySecs"</span> <span class="lg-highlight-punctuation">:</span> NumberLong(<span class="lg-highlight-number">0</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"votes"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-number">1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">}</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"_id"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-number">2</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"host"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-string">"<hostname>:27019"</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"arbiterOnly"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-keyword">false</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"buildIndexes"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-keyword">true</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"hidden"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-keyword">false</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"priority"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-number">1</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"tags"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">}</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"secondaryDelaySecs"</span> <span class="lg-highlight-punctuation">:</span> NumberLong(<span class="lg-highlight-number">0</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"votes"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-number">1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">}</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">]</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"settings"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"chainingAllowed"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-keyword">true</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"heartbeatIntervalMillis"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-number">2000</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"heartbeatTimeoutSecs"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-number">10</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"electionTimeoutMillis"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-number">10000</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"catchUpTimeoutMillis"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-number">-1</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"getLastErrorModes"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">}</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"getLastErrorDefaults"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"w"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-number">1</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"wtimeout"</span> <span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-number">0</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">}</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"replicaSetId"</span> <span class="lg-highlight-punctuation">:</span> ObjectId(<span class="lg-highlight-string">"598f630adc9053c6ee6d5f38"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">}</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-punctuation">}</span></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</li>
</ol>
<p class="leafygreen-ui-1kp3ins">
Check the status of your replica set at any time with the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.status/#mongodb-method-rs.status">
<code class="leafygreen-ui-1l06pbn">
rs.status()
</code>
</a>
operation.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
The documentation of the following shell functions for
more information:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.initiate/#mongodb-method-rs.initiate">
<code class="leafygreen-ui-1l06pbn">
rs.initiate()
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.conf/#mongodb-method-rs.conf">
<code class="leafygreen-ui-1l06pbn">
rs.conf()
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.reconfig/#mongodb-method-rs.reconfig">
<code class="leafygreen-ui-1l06pbn">
rs.reconfig()
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.add/#mongodb-method-rs.add">
<code class="leafygreen-ui-1l06pbn">
rs.add()
</code>
</a>
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
You may also consider the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://github.com/mongodb/mongo-snippets/blob/master/replication/simple-setup.py" rel="noopener noreferrer">
<span>
simple setup script
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
as an example of a basic automatically-configured replica set.
</p>
<p class="leafygreen-ui-1kp3ins">
Refer to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/applications/replication/#std-label-replica-set-read-write-semantics">
Replica Set Read and Write Semantics
</a>
for a detailed explanation of read and write semantics in MongoDB.
</p>
</div>
</div>
<table class="header-buffer leafygreen-ui-rbqgrl" frame="void" id="footnote-oplog" rules="none">
<colgroup>
<col/>
</colgroup>
<tbody valign="top">
<tr>
<td class="leafygreen-ui-17r2xs0">
[
<a href="#ref-oplog-id1">
1
</a>
]
</td>
<td class="leafygreen-ui-17r2xs0">
<!-- -->
The oplog can grow past its configured size
limit to avoid deleting the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/replSetGetStatus/#mongodb-data-replSetGetStatus.optimes.lastCommittedOpTime">
<code class="leafygreen-ui-1l06pbn">
majority commit point
</code>
.
</a>
</td>
</tr>
</tbody>
</table>
</section>
</section>
|
https://www.mongodb.com/docs/manual/core/csfle/tutorials/aws/aws-automatic/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Use Automatic Client-Side Field Level Encryption with AWS
<a class="headerlink leafygreen-ui-1kepx47" href="#use-automatic-client-side-field-level-encryption-with-aws" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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<div class="css-1btu0w3 evvkmar0" id="use-automatic-client-side-field-level-encryption-with-aws">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#overview" target="_self">
<span>
Overview
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#before-you-get-started" target="_self">
<span>
Before You Get Started
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#full-application-code" target="_self">
<span>
Full Application Code
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#set-up-the-kms" target="_self">
<span>
Set Up the KMS
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#create-the-customer-master-key" target="_self">
<span>
Create the Customer Master Key
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#create-an-aws-iam-user" target="_self">
<span>
Create an AWS IAM User
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#create-the-application" target="_self">
<span>
Create the Application
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#create-a-unique-index-on-your-key-vault-collection" target="_self">
<span>
Create a Unique Index on your Key Vault collection
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#create-a-new-data-encryption-key" target="_self">
<span>
Create a New Data Encryption Key
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#configure-the-mongoclient" target="_self">
<span>
Configure the MongoClient
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#insert-a-document-with-encrypted-fields" target="_self">
<span>
Insert a Document with Encrypted Fields
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#retrieve-your-document-with-encrypted-fields" target="_self">
<span>
Retrieve Your Document with Encrypted Fields
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#learn-more" target="_self">
<span>
Learn More
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Overview
<a class="headerlink leafygreen-ui-1kepx47" href="#overview" title="Permalink to this heading">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="overview">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
This guide shows you how to build a Client-Side Field Level Encryption (CSFLE)-enabled
application using Amazon Web Services (AWS)
<span class="leafygreen-ui-vm4wms" tabindex="0">
KMS
</span>
.
</p>
<p class="leafygreen-ui-1kp3ins">
After you complete the steps in this guide, you should have:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
A Customer Master Key hosted on an AWS KMS instance.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
A working client application that inserts documents with encrypted fields
using your Customer Master Key.
</p>
</li>
</ul>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Before You Get Started
<a class="headerlink leafygreen-ui-1kepx47" href="#before-you-get-started" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="before-you-get-started">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
To complete and run the code in this guide, you need to set up your
development environment as shown in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/csfle/install/#std-label-csfle-install">
Installation Requirements
</a>
page.
</p>
<p class="leafygreen-ui-1kp3ins">
Throughout this guide, code examples use placeholder text.
Before you run the examples, substitute your own values for
these placeholders.
</p>
<p class="leafygreen-ui-1kp3ins">
For example:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"dek_id := \"<your>\"","programmingLanguage":"Golang"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1agdxuk" tabindex="-1"><code class="lg-highlight-hljs-light go leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">dek_id <!-- -->:=<!-- --> <span class="lg-highlight-string">"<Your Base64 DEK ID>"</span></td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
You would replace everything between quotes with your
<span class="leafygreen-ui-vm4wms" tabindex="0">
DEK
</span>
ID.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"dek_id := \"abc123\"","programmingLanguage":"Golang"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1agdxuk" tabindex="-1"><code class="lg-highlight-hljs-light go leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">dek_id <!-- -->:=<!-- --> <span class="lg-highlight-string">"abc123"</span></td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Select the programming language for which you want to see code examples for
from the
<span class="guilabel css-h15tq0">
Select your language
</span>
dropdown menu on the right side of
the page.
</p>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Full Application Code
<a class="headerlink leafygreen-ui-1kepx47" href="#full-application-code" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="full-application-code">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
To see the complete code for the sample application, select your programming
language in the language selector.
</p>
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Java (Sync)
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Node.js
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Python
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</div>
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<div>
<div aria-labelledby="_zhljo6dfq" class="leafygreen-ui-38lglc" id="_a164ngzfv" role="tabpanel">
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<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://github.com/mongodb/docs/tree/master/source/includes/generated/in-use-encryption/csfle/dotnet/aws/reader/CSFLE/" rel="noopener noreferrer">
<span>
Complete C# Application
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
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<span>
Complete Go Application
</span>
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<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
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</a>
</p>
</div>
</div>
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<div>
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<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://github.com/mongodb/docs/tree/master/source/includes/generated/in-use-encryption/csfle/java/aws/reader/" rel="noopener noreferrer">
<span>
Complete Java Application
</span>
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<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
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</a>
</p>
</div>
</div>
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<div>
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<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://github.com/mongodb/docs/tree/master/source/includes/generated/in-use-encryption/csfle/node/aws/reader/" rel="noopener noreferrer">
<span>
Complete Node.js Application
</span>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> You are viewing </span><span class="lg-highlight-comment">the</span><span class="lg-highlight-comment"> Golang driver code </span><span class="lg-highlight-comment">examples.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Use the dropdown </span><span class="lg-highlight-comment">menu</span><span class="lg-highlight-comment"> to select a </span><span class="lg-highlight-comment">different driver.</span></td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
When building or running the Golang code in this guide using
<code class="leafygreen-ui-1l06pbn">
go build
</code>
or
<code class="leafygreen-ui-1l06pbn">
go run
</code>
, always include the
<code class="leafygreen-ui-1l06pbn">
cse
</code>
build
constraint to enable CSFLE. See the following shell
command for an example of including the build constraint:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"go run -tags cse insert-encrypted-document.go","programmingLanguage":"Bash"}
</script>
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<div class="leafygreen-ui-9lvdmr">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">go run -tags cse insert-encrypted-<span class="lg-highlight-variable lg-highlight-language">document</span>.<span class="lg-highlight-property">go</span></td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> You are viewing </span><span class="lg-highlight-comment">the Node.js driver code examples.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Use the dropdown </span><span class="lg-highlight-comment">menu</span><span class="lg-highlight-comment"> to select a </span><span class="lg-highlight-comment">different driver.</span></td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"># <span class="lg-highlight-title lg-highlight-class">You</span> are viewing the <span class="lg-highlight-title lg-highlight-class">Python</span> driver code examples.</td></tr><tr class=""><td class="leafygreen-ui-7razhx"># <span class="lg-highlight-title lg-highlight-class">Use</span> the dropdown menu to select a different driver.</td></tr></tbody></table></code></pre>
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<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Create the Customer Master Key
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Log in to your
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://aws.amazon.com/console/" rel="noopener noreferrer">
<span>
AWS Management Console
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.
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Navigate to the
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AWS KMS Console
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.
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Create your Customer Master Key
</p>
<p class="leafygreen-ui-1kp3ins">
Create a new symmetric key by following the official AWS
documentation on
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Creating symmetric KMS keys
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.
The key you create is your Customer Master Key.
Choose a name and description that helps you identify it;
these fields do not affect the functionality or configuration of your
<span class="leafygreen-ui-vm4wms" tabindex="0">
CMK
</span>
.
</p>
<p class="leafygreen-ui-1kp3ins">
In the
<span class="guilabel css-h15tq0">
Usage Permissions
</span>
step of the key generation
process, apply the following default key policy that enables
Identity and Access Management (
<span class="leafygreen-ui-vm4wms" tabindex="0">
IAM
</span>
) policies to
grant access to your Customer Master Key:
</p>
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<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light json leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"Version"</span><span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-string">"2012-10-17"</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"Statement"</span><span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">[</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"Sid"</span><span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-string">"Enable IAM User Permissions"</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"Effect"</span><span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-string">"Allow"</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"Principal"</span><span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"AWS"</span><span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-string">"<ARN of your AWS account principal>"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">}</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"Action"</span><span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-string">"kms:*"</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"Resource"</span><span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-string">"*"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">}</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">]</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-punctuation">}</span></td></tr></tbody></table></code></pre>
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Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Record the Amazon Resource Name (
<span class="leafygreen-ui-vm4wms" tabindex="0">
ARN
</span>
) and Region of
your Customer Master Key. You will use these in later steps of this guide.
</p>
</div>
</div>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
Learn More
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
To learn more about your Customer Master Keys, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/queryable-encryption/fundamentals/keys-key-vaults/#std-label-qe-reference-keys-key-vaults">
Encryption Keys and Key Vaults
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
To learn more about key policies, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://docs.aws.amazon.com/kms/latest/developerguide/key-policies.html" rel="noopener noreferrer">
<span>
Key Policies in AWS KMS
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
in the official AWS documentation.
</p>
</div>
</div>
</li>
</ol>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
2
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Create an AWS IAM User
<a class="headerlink leafygreen-ui-1kepx47" href="#create-an-aws-iam-user" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="create-an-aws-iam-user">
</div>
</a>
</h3>
<ol class="leafygreen-ui-rioki0" type="a">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Navigate to the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://aws.amazon.com/iam/" rel="noopener noreferrer">
<span>
AWS IAM Console
<!-- -->
.
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Create an IAM User
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-csfle-tutorial-aws-create-iam-user">
</span>
<p class="leafygreen-ui-1kp3ins">
Create a new programmatic
<span class="leafygreen-ui-vm4wms" tabindex="0">
IAM
</span>
user in the AWS management console by
following the official AWS documentation on
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://docs.aws.amazon.com/IAM/latest/UserGuide/id_users_create.html" rel="noopener noreferrer">
<span>
Adding a User
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
.
You will use this
<span class="leafygreen-ui-vm4wms" tabindex="0">
IAM
</span>
user as a service account for your CSFLE-enabled application.
Your application authenticates with AWS KMS using the
<span class="leafygreen-ui-vm4wms" tabindex="0">
IAM
</span>
user to encrypt and decrypt your Data Encryption Keys (DEKs) with your Customer Master Key
(CMK).
</p>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
Record your Credentials
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Ensure you record the following
<span class="leafygreen-ui-vm4wms" tabindex="0">
IAM
</span>
credentials in the final
step of creating your
<span class="leafygreen-ui-vm4wms" tabindex="0">
IAM
</span>
user:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<strong>
access key ID
</strong>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<strong>
secret access key
</strong>
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
You have one opportunity to record these credentials. If you do
not record these credentials during this step, you must create
another
<span class="leafygreen-ui-vm4wms" tabindex="0">
IAM
</span>
user.
</p>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Grant Permissions
</p>
<p class="leafygreen-ui-1kp3ins">
Grant your
<span class="leafygreen-ui-vm4wms" tabindex="0">
IAM
</span>
user
<code class="leafygreen-ui-1l06pbn">
kms:Encrypt
</code>
and
<code class="leafygreen-ui-1l06pbn">
kms:Decrypt
</code>
permissions for
your remote master key.
</p>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
The new client
<span class="leafygreen-ui-vm4wms" tabindex="0">
IAM
</span>
user
<em>
should not
</em>
have administrative permissions
for the master key. To keep your data secure, follow the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://en.wikipedia.org/w/index.php?title=Principle_of_least_privilege&oldid=1080333157" rel="noopener noreferrer">
<span>
principle of least privilege
<!-- -->
.
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The following inline policy allows an
<span class="leafygreen-ui-vm4wms" tabindex="0">
IAM
</span>
user to encrypt and decrypt
with the Customer Master Key with the least privileges possible:
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
Remote Master Key ARN
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
The following policy requires the
<span class="leafygreen-ui-vm4wms" tabindex="0">
ARN
</span>
of the key you generate in the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-aws-create-master-key" target="_self">
<span>
Create the Master Key
</span>
</a>
step of this guide.
</p>
</div>
</div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n \"Version\": \"2012-10-17\",\n \"Statement\": [\n {\n \"Effect\": \"Allow\",\n \"Action\": [\"kms:Decrypt\", \"kms:Encrypt\"],\n \"Resource\": \"<the>\"\n }\n ]\n}\n","programmingLanguage":"JSON"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light json leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"Version"</span><span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-string">"2012-10-17"</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"Statement"</span><span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">[</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"Effect"</span><span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-string">"Allow"</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"Action"</span><span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">[</span><span class="lg-highlight-string">"kms:Decrypt"</span><span class="lg-highlight-punctuation">,</span> <span class="lg-highlight-string">"kms:Encrypt"</span><span class="lg-highlight-punctuation">]</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"Resource"</span><span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-string">"<the Amazon Resource Name (ARN) of your remote master key>"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">}</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">]</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-punctuation">}</span></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
To apply the preceding policy to your
<span class="leafygreen-ui-vm4wms" tabindex="0">
IAM
</span>
user, follow the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies_manage-attach-detach.html#add-policies-console" rel="noopener noreferrer">
<span>
Adding IAM identity permissions
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
guide in the AWS documentation.
</p>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
Authenticate with IAM Roles in Production
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
When deploying your CSFLE-enabled application to a production environment,
authenticate your application by using an
<span class="leafygreen-ui-vm4wms" tabindex="0">
IAM
</span>
role
instead of an
<span class="leafygreen-ui-vm4wms" tabindex="0">
IAM
</span>
user.
</p>
<p class="leafygreen-ui-1kp3ins">
To learn more about
<span class="leafygreen-ui-vm4wms" tabindex="0">
IAM
</span>
roles, see the following
pages in the official AWS documentation:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles.html" rel="noopener noreferrer">
<span>
IAM roles
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
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{"@context":"https://schema.org","@type":"HowTo","steps":[{"@type":"HowToStep","text":"Create a unique index on the keyAltNames field in your\nencryption.__keyVault namespace.Select the tab corresponding to your preferred MongoDB driver:","name":"Create a Unique Index on your Key Vault collection"},{"@type":"HowToStep","text":"Add your AWS KMS CredentialsAdd the service account credentials to your CSFLE-enabled client\ncode.To learn how to provide your AWS credentials without directly specifying them\nas shown in the preceding code example, see the Java MONGODB-AWS documentation.Add Your Key InformationUpdate the following code to specify your Customer Master Key:You recorded your Customer Master Key's ARN (Amazon Resource Name) and Region\nin the Create a Customer Master Key\nstep of this guide.Generate your Data Encryption KeyGenerate your Data Encryption Key using the variables declared in step one of this tutorial.When using the Node.js driver v6.0 and later, you must import\nClientEncryption from mongodb.For earlier driver versions, import ClientEncryption from\nmongodb-client-encryption.To view a diagram showing how your client application creates your\nData Encryption Key when using an AWS KMS, see\nArchitecture.To learn more about the options for creating a Data Encryption Key\nencrypted with a Customer Master Key hosted in AWS KMS, see\ndataKeyOpts Object.To view the complete code for making a Data Encryption Key, see\nour Github repositoryTo view the complete code for making a Data Encryption Key, see\nour Github repository.To view the complete code for making a Data Encryption Key, see\nour Github repository.To view the complete code for making a Data Encryption Key, see\nour Github repository.To view the complete code for making a Data Encryption Key, see\nour Github repository.","name":"Create a New Data Encryption Key"},{"@type":"HowToStep","text":"Follow the remaining steps in this tutorial in a separate file\nfrom the one created in the previous steps.To view the complete code for this file, see\nour Github repositoryTo view the complete code for this file, see\nour Github repository.To view the complete code for this file, see\nour Github repository.To view the complete code for this file, see\nour Github repository.To view the complete code for this file, see\nour Github repository.Specify the Key Vault Collection NamespaceSpecify encryption.__keyVault as the Key Vault collection\nnamespace.Specify your AWS CredentialsSpecify the aws KMS provider and your IAM (Identity and Access Management) user\ncredentials:To use an IAM (Identity and Access Management) role instead of an IAM (Identity and Access Management) user\nto authenticate your application,\nspecify an empty object for your credentials in your KMS provider\nobject. This instructs the driver to automatically retrieve the credentials\nfrom the environment:Create an Encryption Schema For Your CollectionMake sure to update the following code to include your Base64\nDEK (Data Encryption Key) ID. You received this value in the\nGenerate your Data Encryption Key step of this\nguide.Specify the Location of the Automatic Encryption Shared LibraryThe automatic encryption options provide configuration\ninformation to the Automatic Encryption Shared Library,\nwhich modifies the application's behavior when accessing encrypted fields.To learn more about the Automatic Encryption Shared Library, see\nthe Install and Configure a CSFLE Library page.Create the MongoClientInstantiate a MongoDB client object with the following automatic\nencryption settings that use the variables declared in the previous steps:","name":"Configure the MongoClient"},{"@type":"HowToStep","text":"Use your CSFLE-enabled\nMongoClient instance to insert a document with encrypted fields into the\nmedicalRecords.patients namespace using the following code\nsnippet:Rather than creating a raw BSON document, you can pass a struct with bson tags directly\nto the driver for encoding.When you insert a document, your CSFLE-enabled client\nencrypts the fields of your document such that it resembles the following:To view the complete code for inserting a document with encrypted fields, see\nour Github repositoryTo view the complete code for inserting a document with encrypted fields, see\nour Github repository.To view the complete code for inserting a document with encrypted fields, see\nour Github repository.To view the complete code for inserting a document with encrypted fields, see\nour Github repository.To view the complete code for inserting a document with encrypted fields, see\nour Github repository.","name":"Insert a Document with Encrypted Fields"},{"@type":"HowToStep","text":"Retrieve the document with encrypted fields you inserted in the\nInsert a Document with Encrypted Fields\nstep of this guide.To show the functionality of CSFLE, the following code snippet queries for\nyour document with a client configured for automatic CSFLE as well as\na client that is not configured for automatic CSFLE.The output of the preceding code snippet should look like this:To view the complete code for finding a document with encrypted fields, see\nour Github repositoryTo view the complete code for finding a document with encrypted fields, see\nour Github repository.To view the complete code for finding a document with encrypted fields, see\nour Github repository.To view the complete code for finding a document with encrypted fields, see\nour Github repository.To view the complete code for finding a document with encrypted fields, see\nour Github repository.","name":"Retrieve Your Document with Encrypted Fields"}],"name":"Create the Application","image":"https://webimages.mongodb.com/_com_assets/cms/kuyj2focmkbxv7gh3-stacked_default_slate_blue.svg?auto=format%252Ccompress"}
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Create a Unique Index on your Key Vault collection
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Create a unique index on the
<code class="leafygreen-ui-1l06pbn">
keyAltNames
</code>
field in your
<code class="leafygreen-ui-1l06pbn">
encryption.__keyVault
</code>
namespace.
</p>
<p class="leafygreen-ui-1kp3ins">
Select the tab corresponding to your preferred MongoDB driver:
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"var connectionString = \"<your>\";\nvar keyVaultNamespace = CollectionNamespace.FromFullName(\"encryption.__keyVault\");\nvar keyVaultClient = new MongoClient(connectionString);\nvar indexOptions = new CreateIndexOptions<bsondocument>();\nindexOptions.Unique = true;\nindexOptions.PartialFilterExpression = new BsonDocument { { \"keyAltNames\", new BsonDocument { { \"$exists\", new BsonBoolean(true) } } } };\nvar builder = Builders<bsondocument>.IndexKeys;\nvar indexKeysDocument = builder.Ascending(\"keyAltNames\");\nvar indexModel = new CreateIndexModel<bsondocument>(indexKeysDocument, indexOptions);\nvar keyVaultDatabase = keyVaultClient.GetDatabase(keyVaultNamespace.DatabaseNamespace.ToString());\n// Drop the Key Vault Collection in case you created this collection\n// in a previous run of this application. \nkeyVaultDatabase.DropCollection(keyVaultNamespace.CollectionName);\n// Drop the database storing your encrypted fields as all\n// the DEKs encrypting those fields were deleted in the preceding line.\nkeyVaultClient.GetDatabase(\"medicalRecords\").DropCollection(\"patients\");\nvar keyVaultCollection = keyVaultDatabase.GetCollection<bsondocument>(keyVaultNamespace.CollectionName.ToString());\nkeyVaultCollection.Indexes.CreateOne(indexModel);","programmingLanguage":"C#"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> connectionString = <span class="lg-highlight-string">"<Your MongoDB URI>"</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> keyVaultNamespace = <span class="lg-highlight-title lg-highlight-class">CollectionNamespace</span>.<span class="lg-highlight-title lg-highlight-class">FromFullName</span>(<span class="lg-highlight-string">"encryption.__keyVault"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> keyVaultClient = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">MongoClient</span>(connectionString);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> indexOptions = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">CreateIndexOptions</span><<span class="lg-highlight-title lg-highlight-class">BsonDocument</span>>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx">indexOptions.<span class="lg-highlight-property">Unique</span> = <span class="lg-highlight-literal">true</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">indexOptions.<span class="lg-highlight-property">PartialFilterExpression</span> = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span> { { <span class="lg-highlight-string">"keyAltNames"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span> { { <span class="lg-highlight-string">"$exists"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonBoolean</span>(<span class="lg-highlight-literal">true</span>) } } } };</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> builder = <span class="lg-highlight-title lg-highlight-class">Builders</span><<span class="lg-highlight-title lg-highlight-class">BsonDocument</span>>.<span class="lg-highlight-property">IndexKeys</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> indexKeysDocument = builder.<span class="lg-highlight-title lg-highlight-class">Ascending</span>(<span class="lg-highlight-string">"keyAltNames"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> indexModel = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">CreateIndexModel</span><<span class="lg-highlight-title lg-highlight-class">BsonDocument</span>>(indexKeysDocument, indexOptions);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> keyVaultDatabase = keyVaultClient.<span class="lg-highlight-title lg-highlight-class">GetDatabase</span>(keyVaultNamespace.<span class="lg-highlight-property">DatabaseNamespace</span>.<span class="lg-highlight-title lg-highlight-class">ToString</span>());</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Drop the Key </span><span class="lg-highlight-comment">Vault</span><span class="lg-highlight-comment"> Collection in case </span><span class="lg-highlight-comment">you created this collection</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> in a previous </span><span class="lg-highlight-comment">run of this application. </span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">keyVaultDatabase.<span class="lg-highlight-title lg-highlight-class">DropCollection</span>(keyVaultNamespace.<span class="lg-highlight-property">CollectionName</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Drop the database </span><span class="lg-highlight-comment">storing</span><span class="lg-highlight-comment"> your encrypted fields </span><span class="lg-highlight-comment">as all</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// the DEKs</span><span class="lg-highlight-comment"> encrypting those fields </span><span class="lg-highlight-comment">were</span><span class="lg-highlight-comment"> deleted in the </span><span class="lg-highlight-comment">preceding line.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">keyVaultClient.<span class="lg-highlight-title lg-highlight-class">GetDatabase</span>(<span class="lg-highlight-string">"medicalRecords"</span>).<span class="lg-highlight-title lg-highlight-class">DropCollection</span>(<span class="lg-highlight-string">"patients"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> keyVaultCollection = keyVaultDatabase.<span class="lg-highlight-property">GetCollection</span><<span class="lg-highlight-title lg-highlight-class">BsonDocument</span>>(keyVaultNamespace.<span class="lg-highlight-property">CollectionName</span>.<span class="lg-highlight-title lg-highlight-class">ToString</span>());</td></tr><tr class=""><td class="leafygreen-ui-7razhx">keyVaultCollection.<span class="lg-highlight-property">Indexes</span>.<span class="lg-highlight-title lg-highlight-class">CreateOne</span>(indexModel);</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"uri := \"<your>\"\nkeyVaultClient, err := mongo.Connect(context.TODO(), options.Client().ApplyURI(uri))\nif err != nil {\n\treturn fmt.Errorf(\"Connect error for regular client: %v\", err)\n}\ndefer func() {\n\t_ = keyVaultClient.Disconnect(context.TODO())\n}()\n\nkeyVaultColl := \"__keyVault\"\nkeyVaultDb := \"encryption\"\nkeyVaultNamespace := keyVaultDb + \".\" + keyVaultColl\nkeyVaultIndex := mongo.IndexModel{\n\tKeys: bson.D{{\"keyAltNames\", 1}},\n\tOptions: options.Index().\n\t\tSetUnique(true).\n\t\tSetPartialFilterExpression(bson.D{\n\t\t\t{\"keyAltNames\", bson.D{\n\t\t\t\t{\"$exists\", true},\n\t\t\t}},\n\t\t}),\n}\n// Drop the Key Vault Collection in case you created this collection\n// in a previous run of this application.\nif err = keyVaultClient.Database(keyVaultDb).Collection(keyVaultColl).Drop(context.TODO()); err != nil {\n\tlog.Fatalf(\"Collection.Drop error: %v\", err)\n}\n// Drop the database storing your encrypted fields as all\n// the DEKs encrypting those fields were deleted in the preceding line.\nif err = keyVaultClient.Database(\"medicalRecords\").Collection(\"patients\").Drop(context.TODO()); err != nil {\n\tlog.Fatalf(\"Collection.Drop error: %v\", err)\n}\n_, err = keyVaultClient.Database(keyVaultDb).Collection(keyVaultColl).Indexes().CreateOne(context.TODO(), keyVaultIndex)\nif err != nil {\n\tpanic(err)\n}","programmingLanguage":"Golang"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">uri <!-- -->:<!-- -->= <span class="lg-highlight-string">"<Your MongoDB URI>"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">keyVaultClient<!-- -->, <!-- -->err := mongo.<span class="lg-highlight-title lg-highlight-class">Connect</span>(context.<span class="lg-highlight-title lg-highlight-function">TODO</span>(), options.<span class="lg-highlight-title lg-highlight-class">Client</span>().<span class="lg-highlight-title lg-highlight-class">ApplyURI</span>(uri))</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">if</span> err != nil {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> fmt.<span class="lg-highlight-title lg-highlight-class">Errorf</span>(<span class="lg-highlight-string">"Connect error for regular client: %v"</span>, err)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx">defer <span class="lg-highlight-title lg-highlight-function">func</span>() {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> _ = keyVaultClient.<span class="lg-highlight-title lg-highlight-class">Disconnect</span>(context.<span class="lg-highlight-title lg-highlight-function">TODO</span>())</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">keyVaultColl <!-- -->:<!-- -->= <span class="lg-highlight-string">"__keyVault"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">keyVaultDb <!-- -->:<!-- -->= <span class="lg-highlight-string">"encryption"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">keyVaultNamespace <!-- -->:<!-- -->= keyVaultDb + <span class="lg-highlight-string">"."</span> + keyVaultColl</td></tr><tr class=""><td class="leafygreen-ui-7razhx">keyVaultIndex <!-- -->:<!-- -->= mongo.<span class="lg-highlight-property">IndexModel</span>{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Keys</span>: bson.<span class="lg-highlight-property">D</span>{{<span class="lg-highlight-string">"keyAltNames"</span>, <span class="lg-highlight-number">1</span>}},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Options</span>: options.<span class="lg-highlight-title lg-highlight-class">Index</span>().</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">SetUnique</span>(<span class="lg-highlight-literal">true</span>).</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">SetPartialFilterExpression</span>(bson.<span class="lg-highlight-property">D</span>{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"keyAltNames"</span>, bson.<span class="lg-highlight-property">D</span>{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"$exists"</span>, <span class="lg-highlight-literal">true</span>},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }),</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Drop the Key </span><span class="lg-highlight-comment">Vault</span><span class="lg-highlight-comment"> Collection in case </span><span class="lg-highlight-comment">you created this collection</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> in a previous </span><span class="lg-highlight-comment">run of this application.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">if</span> err = keyVaultClient.<span class="lg-highlight-title lg-highlight-class">Database</span>(keyVaultDb).<span class="lg-highlight-title lg-highlight-class">Collection</span>(keyVaultColl).<span class="lg-highlight-title lg-highlight-class">Drop</span>(context.<span class="lg-highlight-title lg-highlight-function">TODO</span>()); err != nil {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> log.<span class="lg-highlight-title lg-highlight-class">Fatalf</span>(<span class="lg-highlight-string">"Collection.Drop error: %v"</span>, err)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Drop the database </span><span class="lg-highlight-comment">storing</span><span class="lg-highlight-comment"> your encrypted fields </span><span class="lg-highlight-comment">as all</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// the DEKs</span><span class="lg-highlight-comment"> encrypting those fields </span><span class="lg-highlight-comment">were</span><span class="lg-highlight-comment"> deleted in the </span><span class="lg-highlight-comment">preceding line.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">if</span> err = keyVaultClient.<span class="lg-highlight-title lg-highlight-class">Database</span>(<span class="lg-highlight-string">"medicalRecords"</span>).<span class="lg-highlight-title lg-highlight-class">Collection</span>(<span class="lg-highlight-string">"patients"</span>).<span class="lg-highlight-title lg-highlight-class">Drop</span>(context.<span class="lg-highlight-title lg-highlight-function">TODO</span>()); err != nil {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> log.<span class="lg-highlight-title lg-highlight-class">Fatalf</span>(<span class="lg-highlight-string">"Collection.Drop error: %v"</span>, err)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx">_, err = keyVaultClient.<span class="lg-highlight-title lg-highlight-class">Database</span>(keyVaultDb).<span class="lg-highlight-title lg-highlight-class">Collection</span>(keyVaultColl).<span class="lg-highlight-title lg-highlight-class">Indexes</span>().<span class="lg-highlight-title lg-highlight-class">CreateOne</span>(context.<span class="lg-highlight-title lg-highlight-function">TODO</span>(), keyVaultIndex)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">if</span> err != nil {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">panic</span>(err)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"String connectionString = \"<your>\";\nString keyVaultDb = \"encryption\";\nString keyVaultColl = \"__keyVault\";\nString keyVaultNamespace = keyVaultDb + \".\" + keyVaultColl;\nMongoClient keyVaultClient = MongoClients.create(connectionString);\n\n// Drop the Key Vault Collection in case you created this collection\n// in a previous run of this application.\nkeyVaultClient.getDatabase(keyVaultDb).getCollection(keyVaultColl).drop();\n// Drop the database storing your encrypted fields as all\n// the DEKs encrypting those fields were deleted in the preceding line.\nkeyVaultClient.getDatabase(\"medicalRecords\").getCollection(\"patients\").drop();\n\n\nMongoCollection keyVaultCollection = keyVaultClient.getDatabase(keyVaultDb).getCollection(keyVaultColl);\nIndexOptions indexOpts = new IndexOptions().partialFilterExpression(new BsonDocument(\"keyAltNames\", new BsonDocument(\"$exists\", new BsonBoolean(true) ))).unique(true);\nkeyVaultCollection.createIndex(new BsonDocument(\"keyAltNames\", new BsonInt32(1)), indexOpts);\nkeyVaultClient.close();","programmingLanguage":"Java"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">String</span> connectionString = <span class="lg-highlight-string">"<Your MongoDB URI>"</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">String</span> keyVaultDb = <span class="lg-highlight-string">"encryption"</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">String</span> keyVaultColl = <span class="lg-highlight-string">"__keyVault"</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">String</span> keyVaultNamespace = keyVaultDb + <span class="lg-highlight-string">"."</span> + keyVaultColl;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">MongoClient</span> keyVaultClient = <span class="lg-highlight-title lg-highlight-class">MongoClients</span>.<span class="lg-highlight-title lg-highlight-function">create</span>(connectionString);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Drop the Key </span><span class="lg-highlight-comment">Vault</span><span class="lg-highlight-comment"> Collection in case </span><span class="lg-highlight-comment">you created this collection</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> in a previous </span><span class="lg-highlight-comment">run of this application.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">keyVaultClient.<span class="lg-highlight-title lg-highlight-function">getDatabase</span>(keyVaultDb).<span class="lg-highlight-title lg-highlight-function">getCollection</span>(keyVaultColl).<span class="lg-highlight-title lg-highlight-function">drop</span>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Drop the database </span><span class="lg-highlight-comment">storing</span><span class="lg-highlight-comment"> your encrypted fields </span><span class="lg-highlight-comment">as all</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// the DEKs</span><span class="lg-highlight-comment"> encrypting those fields </span><span class="lg-highlight-comment">were</span><span class="lg-highlight-comment"> deleted in the </span><span class="lg-highlight-comment">preceding line.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">keyVaultClient.<span class="lg-highlight-title lg-highlight-function">getDatabase</span>(<span class="lg-highlight-string">"medicalRecords"</span>).<span class="lg-highlight-title lg-highlight-function">getCollection</span>(<span class="lg-highlight-string">"patients"</span>).<span class="lg-highlight-title lg-highlight-function">drop</span>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">MongoCollection</span> keyVaultCollection = keyVaultClient.<span class="lg-highlight-title lg-highlight-function">getDatabase</span>(keyVaultDb).<span class="lg-highlight-title lg-highlight-function">getCollection</span>(keyVaultColl);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">IndexOptions</span> indexOpts = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">IndexOptions</span>().<span class="lg-highlight-title lg-highlight-function">partialFilterExpression</span>(<span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span>(<span class="lg-highlight-string">"keyAltNames"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span>(<span class="lg-highlight-string">"$exists"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonBoolean</span>(<span class="lg-highlight-literal">true</span>) ))).<span class="lg-highlight-title lg-highlight-function">unique</span>(<span class="lg-highlight-literal">true</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">keyVaultCollection.<span class="lg-highlight-title lg-highlight-function">createIndex</span>(<span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span>(<span class="lg-highlight-string">"keyAltNames"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonInt32</span>(<span class="lg-highlight-number">1</span>)), indexOpts);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">keyVaultClient.<span class="lg-highlight-title lg-highlight-function">close</span>();</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"const uri = \"<your>\";\nconst keyVaultDatabase = \"encryption\";\nconst keyVaultCollection = \"__keyVault\";\nconst keyVaultNamespace = `${keyVaultDatabase}.${keyVaultCollection}`;\nconst keyVaultClient = new MongoClient(uri);\nawait keyVaultClient.connect();\nconst keyVaultDB = keyVaultClient.db(keyVaultDatabase);\n// Drop the Key Vault Collection in case you created this collection\n// in a previous run of this application.\nawait keyVaultDB.dropDatabase();\n// Drop the database storing your encrypted fields as all\n// the DEKs encrypting those fields were deleted in the preceding line.\nawait keyVaultClient.db(\"medicalRecords\").dropDatabase();\nconst keyVaultColl = keyVaultDB.collection(keyVaultCollection);\nawait keyVaultColl.createIndex(\n { keyAltNames: 1 },\n {\n unique: true,\n partialFilterExpression: { keyAltNames: { $exists: true } },\n }\n);","programmingLanguage":"JavaScript"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">const</span> uri <!-- -->= <span class="lg-highlight-string">"<Your Connection String>"</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">const</span> keyVaultDatabase <!-- -->= <span class="lg-highlight-string">"encryption"</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">const</span> keyVaultCollection <!-- -->= <span class="lg-highlight-string">"__keyVault"</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">const</span> keyVaultNamespace <!-- -->= <span class="lg-highlight-string">`</span><span class="lg-highlight-subst lg-highlight-string">${keyVaultDatabase}</span><span class="lg-highlight-string">.</span><span class="lg-highlight-subst lg-highlight-string">${keyVaultCollection}</span><span class="lg-highlight-string">`</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">const</span> keyVaultClient <!-- -->= <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">MongoClient</span>(<!-- -->uri)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">await</span> keyVaultClient.<span class="lg-highlight-title lg-highlight-function">connect</span>(<!-- -->)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">const</span> keyVaultDB <!-- -->= <!-- -->keyVaultClient.<span class="lg-highlight-title lg-highlight-function">db</span>(<!-- -->keyVaultDatabase)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Drop the Key </span><span class="lg-highlight-comment">Vault</span><span class="lg-highlight-comment"> Collection in case </span><span class="lg-highlight-comment">you created this collection</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> in a previous </span><span class="lg-highlight-comment">run of this application.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">await</span> keyVaultDB.<span class="lg-highlight-title lg-highlight-function">dropDatabase</span>(<!-- -->)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Drop the database </span><span class="lg-highlight-comment">storing</span><span class="lg-highlight-comment"> your encrypted fields </span><span class="lg-highlight-comment">as all</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// the DEKs</span><span class="lg-highlight-comment"> encrypting those fields </span><span class="lg-highlight-comment">were</span><span class="lg-highlight-comment"> deleted in the </span><span class="lg-highlight-comment">preceding line.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">await</span> keyVaultClient.<span class="lg-highlight-title lg-highlight-function">db</span>(<span class="lg-highlight-string">"medicalRecords"</span>).<span class="lg-highlight-title lg-highlight-function">dropDatabase</span>(<!-- -->)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">const</span> keyVaultColl <!-- -->= <!-- -->keyVaultDB.<span class="lg-highlight-title lg-highlight-function">collection</span>(<!-- -->keyVaultCollection)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">await</span> keyVaultColl.<span class="lg-highlight-title lg-highlight-function">createIndex</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">keyAltNames</span>: <span class="lg-highlight-number">1</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">unique</span>: <span class="lg-highlight-literal">true</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">partialFilterExpression</span>: <!-- -->{ <span class="lg-highlight-attr">keyAltNames</span>: <!-- -->{ <span class="lg-highlight-attr">$exists</span>: <span class="lg-highlight-literal">true</span> } }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)<!-- -->;</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"connection_string = \"<your>\"\n\nkey_vault_coll = \"__keyVault\"\nkey_vault_db = \"encryption\"\nkey_vault_namespace = f\"{key_vault_db}.{key_vault_coll}\"\nkey_vault_client = MongoClient(connection_string)\n# Drop the Key Vault Collection in case you created this collection\n# in a previous run of this application.\nkey_vault_client.drop_database(key_vault_db)\n# Drop the database storing your encrypted fields as all\n# the DEKs encrypting those fields were deleted in the preceding line.\nkey_vault_client[\"medicalRecords\"].drop_collection(\"patients\")\nkey_vault_client[key_vault_db][key_vault_coll].create_index(\n [(\"keyAltNames\", ASCENDING)],\n unique=True,\n partialFilterExpression={\"keyAltNames\": {\"$exists\": True}},\n)","programmingLanguage":"Python"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">connection_string = <span class="lg-highlight-string">"<your connection string here>"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">key_vault_coll = <span class="lg-highlight-string">"__keyVault"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">key_vault_db = <span class="lg-highlight-string">"encryption"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">key_vault_namespace = f<span class="lg-highlight-string">"{key_vault_db}.{key_vault_coll}"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">key_vault_client = <span class="lg-highlight-title lg-highlight-class">MongoClient</span>(connection_string)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"># <span class="lg-highlight-title lg-highlight-class">Drop</span> the <span class="lg-highlight-title lg-highlight-class">Key</span> <span class="lg-highlight-title lg-highlight-class">Vault</span> <span class="lg-highlight-title lg-highlight-class">Collection</span> <span class="lg-highlight-keyword">in</span> <span class="lg-highlight-keyword">case</span> you created <span class="lg-highlight-variable lg-highlight-language">this</span> collection</td></tr><tr class=""><td class="leafygreen-ui-7razhx"># <span class="lg-highlight-keyword">in</span> a previous run <span class="lg-highlight-keyword">of</span> <span class="lg-highlight-variable lg-highlight-language">this</span> application.</td></tr><tr class=""><td class="leafygreen-ui-7razhx">key_vault_client.<span class="lg-highlight-title lg-highlight-function">drop_database</span>(key_vault_db)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"># <span class="lg-highlight-title lg-highlight-class">Drop</span> the database storing your encrypted fields <span class="lg-highlight-keyword">as</span> all</td></tr><tr class=""><td class="leafygreen-ui-7razhx"># the <span class="lg-highlight-title lg-highlight-class">DEKs</span> encrypting those fields were deleted <span class="lg-highlight-keyword">in</span> the preceding line.</td></tr><tr class=""><td class="leafygreen-ui-7razhx">key_vault_client[<span class="lg-highlight-string">"medicalRecords"</span>].<span class="lg-highlight-title lg-highlight-function">drop_collection</span>(<span class="lg-highlight-string">"patients"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">key_vault_client[key_vault_db][key_vault_coll].<span class="lg-highlight-title lg-highlight-function">create_index</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> [(<span class="lg-highlight-string">"keyAltNames"</span>, <span class="lg-highlight-variable lg-highlight-constant">ASCENDING</span>)],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> unique=<span class="lg-highlight-title lg-highlight-class">True</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> partialFilterExpression={<span class="lg-highlight-string">"keyAltNames"</span>: {<span class="lg-highlight-string">"$exists"</span>: <span class="lg-highlight-title lg-highlight-class">True</span>}},</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
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Add the service account credentials to your CSFLE-enabled client
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"var kmsProviders = new Dictionary<string,>>();\nvar provider = \"aws\";\nvar awsKmsOptions = new Dictionary<string,>\n{\n { \"accessKeyId\", \"<your>\" },\n { \"secretAccessKey\", \"<your>\" }\n};\nkmsProviders.Add(provider, awsKmsOptions);","programmingLanguage":"C#"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> kmsProviders = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Dictionary</span><string, <span class="lg-highlight-title lg-highlight-class">IReadOnlyDictionary</span><string, object>>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> provider = <span class="lg-highlight-string">"aws"</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> awsKmsOptions = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Dictionary</span><string, object></td></tr><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"accessKeyId"</span>, <span class="lg-highlight-string">"<Your AWS Access Key ID>"</span> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"secretAccessKey"</span>, <span class="lg-highlight-string">"<Your AWS Secret Access Key>"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">};</td></tr><tr class=""><td class="leafygreen-ui-7razhx">kmsProviders.<span class="lg-highlight-title lg-highlight-class">Add</span>(provider, awsKmsOptions);</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">provider <!-- -->:<!-- -->= <span class="lg-highlight-string">"aws"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">kmsProviders <!-- -->:<!-- -->= map[string]map[string]interface{}{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">provider</span>: {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"accessKeyId"</span>: <span class="lg-highlight-string">"<Your AWS Access Key ID>"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"secretAccessKey"</span>: <span class="lg-highlight-string">"<Your AWS Secret Access Key>"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">Map</span><<span class="lg-highlight-title lg-highlight-class">String</span>, <span class="lg-highlight-title lg-highlight-class">Map</span><<span class="lg-highlight-title lg-highlight-class">String</span>, <span class="lg-highlight-title lg-highlight-class">Object</span>>> kmsProviders = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">HashMap</span><<span class="lg-highlight-title lg-highlight-class">String</span>, <span class="lg-highlight-title lg-highlight-class">Map</span><<span class="lg-highlight-title lg-highlight-class">String</span>, <span class="lg-highlight-title lg-highlight-class">Object</span>>>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">String</span> kmsProvider = <span class="lg-highlight-string">"aws"</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">Map</span><<span class="lg-highlight-title lg-highlight-class">String</span>, <span class="lg-highlight-title lg-highlight-class">Object</span>> providerDetails = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">HashMap</span><>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx">providerDetails.<span class="lg-highlight-title lg-highlight-function">put</span>(<span class="lg-highlight-string">"accessKeyId"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonString</span>(<span class="lg-highlight-string">"<IAM User Access Key ID>"</span>));</td></tr><tr class=""><td class="leafygreen-ui-7razhx">providerDetails.<span class="lg-highlight-title lg-highlight-function">put</span>(<span class="lg-highlight-string">"secretAccessKey"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonString</span>(<span class="lg-highlight-string">"<IAM User Secret Access Key>"</span>));</td></tr><tr class=""><td class="leafygreen-ui-7razhx">kmsProviders.<span class="lg-highlight-title lg-highlight-function">put</span>(kmsProvider, providerDetails);</td></tr></tbody></table></code></pre>
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Node.js
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<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
To learn how to provide your AWS credentials without directly specifying them
as shown in the preceding code example, see the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/drivers/java/sync/current/fundamentals/auth/#mongodb-aws" target="_self">
<span>
Java MONGODB-AWS documentation
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
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<div>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"const provider = \"aws\";\nconst kmsProviders = {\n aws: {\n accessKeyId: \"<your>\",\n secretAccessKey: \"<your>\",\n },\n};","programmingLanguage":"JavaScript"}
</script>
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<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-9lvdmr">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">const</span> provider <!-- -->= <span class="lg-highlight-string">"aws"</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">const</span> kmsProviders <!-- -->= <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">aws</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">accessKeyId</span>: <span class="lg-highlight-string">"<Your AWS Access Key ID>"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">secretAccessKey</span>: <span class="lg-highlight-string">"<Your AWS Secret Access Key>"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->;</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">provider = <span class="lg-highlight-string">"aws"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">kms_providers = {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">provider</span>: {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"accessKeyId"</span>: <span class="lg-highlight-string">"<IAM User Access Key ID>"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"secretAccessKey"</span>: <span class="lg-highlight-string">"<IAM User Secret Access Key>"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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Node.js
</div>
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</svg>
</div>
</button>
<div aria-live="polite" aria-relevant="all" class="leafygreen-ui-11ydt2g" data-lgid="lg-form_field-feedback" data-testid="lg-form_field-feedback">
</div>
</div>
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<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
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</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Add Your Key Information
</p>
<p class="leafygreen-ui-1kp3ins">
Update the following code to specify your Customer Master Key:
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
You recorded your Customer Master Key's
<span class="leafygreen-ui-vm4wms" tabindex="0">
ARN
</span>
and Region
in the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-aws-create-master-key" target="_self">
<span>
Create a Customer Master Key
</span>
</a>
step of this guide.
</p>
</div>
</div>
<div aria-hidden="true">
</div>
<div class="leafygreen-ui-f2qztv" data-lgid="lg-tabs">
<div class="leafygreen-ui-jp7pox" id="tabs-17">
<div aria-label="Tabs to describe usage of drivers" aria-orientation="horizontal" class="leafygreen-ui-m8p1vb lg-ui-tab-list-0000" data-lgid="lg-tabs-tab_list" role="tablist">
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C#
</div>
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Go
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Java (Sync)
</div>
</button>
<button aria-controls="_t511fcd81" aria-selected="true" class="leafygreen-ui-1l773z1" data-text="" id="_xry3w7gk9" name="" role="tab" tabindex="0">
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Node.js
</div>
</button>
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Python
</div>
</button>
</div>
<div class="leafygreen-ui-ov1ktg">
<div class="leafygreen-ui-1sg2lsz">
</div>
</div>
</div>
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<div>
<div aria-labelledby="_3zp41qbin" class="leafygreen-ui-38lglc" id="_cdbtwazjm" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"var dataKeyOptions = new DataKeyOptions(\n masterKey: new BsonDocument\n {\n { \"region\", \"<your>\" },\n { \"key\", \"<your>\" },\n });","programmingLanguage":"C#"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-9lvdmr">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> dataKeyOptions = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">DataKeyOptions</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">masterKey</span>: <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"region"</span>, <span class="lg-highlight-string">"<Your AWS Key Region>"</span> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"key"</span>, <span class="lg-highlight-string">"<Your AWS Key ARN>"</span> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> });</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-hcrzu6" data-testid="leafygreen-code-panel">
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">masterKeyProperties.<span class="lg-highlight-title lg-highlight-function">put</span>(<span class="lg-highlight-string">"provider"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonString</span>(kmsProvider));</td></tr><tr class=""><td class="leafygreen-ui-7razhx">masterKeyProperties.<span class="lg-highlight-title lg-highlight-function">put</span>(<span class="lg-highlight-string">"key"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonString</span>(<span class="lg-highlight-string">"<Master Key ARN>"</span>));</td></tr><tr class=""><td class="leafygreen-ui-7razhx">masterKeyProperties.<span class="lg-highlight-title lg-highlight-function">put</span>(<span class="lg-highlight-string">"region"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonString</span>(<span class="lg-highlight-string">"<Master Key AWS Region>"</span>));</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">const</span> masterKey <!-- -->= <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">key</span>: <span class="lg-highlight-string">"<Your AWS Key ARN>"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">region</span>: <span class="lg-highlight-string">"<Your AWS Key Region>"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->;</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">master_key = {<span class="lg-highlight-string">"region"</span>: <span class="lg-highlight-string">"<Master Key AWS Region>"</span>, <span class="lg-highlight-string">"key"</span>: <span class="lg-highlight-string">"<Master Key ARN>"</span>}</td></tr></tbody></table></code></pre>
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Generate your Data Encryption Key
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Generate your Data Encryption Key using the variables declared in
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step one
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"var clientEncryptionOptions = new ClientEncryptionOptions(\n keyVaultClient: keyVaultClient,\n keyVaultNamespace: keyVaultNamespace,\n kmsProviders: kmsProviders\n );\n\nvar clientEncryption = new ClientEncryption(clientEncryptionOptions);\nvar dataKeyId = clientEncryption.CreateDataKey(provider, dataKeyOptions, CancellationToken.None);\nvar dataKeyIdBase64 = Convert.ToBase64String(GuidConverter.ToBytes(dataKeyId, GuidRepresentation.Standard));\nConsole.WriteLine($\"DataKeyId [base64]: {dataKeyIdBase64}\");","programmingLanguage":"C#"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> clientEncryptionOptions = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">ClientEncryptionOptions</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">keyVaultClient</span>: keyVaultClient,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">keyVaultNamespace</span>: keyVaultNamespace,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">kmsProviders</span>: kmsProviders</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> );</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> clientEncryption = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">ClientEncryption</span>(clientEncryptionOptions);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> dataKeyId = clientEncryption.<span class="lg-highlight-title lg-highlight-class">CreateDataKey</span>(provider, dataKeyOptions, <span class="lg-highlight-title lg-highlight-class">CancellationToken</span>.<span class="lg-highlight-property">None</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> dataKeyIdBase64 = <span class="lg-highlight-title lg-highlight-class">Convert</span>.<span class="lg-highlight-title lg-highlight-class">ToBase64String</span>(<span class="lg-highlight-title lg-highlight-class">GuidConverter</span>.<span class="lg-highlight-title lg-highlight-class">ToBytes</span>(dataKeyId, <span class="lg-highlight-title lg-highlight-class">GuidRepresentation</span>.<span class="lg-highlight-property">Standard</span>));</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">Console</span>.<span class="lg-highlight-title lg-highlight-class">WriteLine</span>($<span class="lg-highlight-string">"DataKeyId [base64]: {dataKeyIdBase64}"</span>);</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">clientEncryptionOpts <!-- -->:<!-- -->= options.<span class="lg-highlight-title lg-highlight-class">ClientEncryption</span>().<span class="lg-highlight-title lg-highlight-class">SetKeyVaultNamespace</span>(keyVaultNamespace).</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">SetKmsProviders</span>(kmsProviders)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">clientEnc<!-- -->, <!-- -->err := mongo.<span class="lg-highlight-title lg-highlight-class">NewClientEncryption</span>(keyVaultClient, clientEncryptionOpts)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">if</span> err != nil {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> fmt.<span class="lg-highlight-title lg-highlight-class">Errorf</span>(<span class="lg-highlight-string">"NewClientEncryption error %v"</span>, err)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx">defer <span class="lg-highlight-title lg-highlight-function">func</span>() {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> _ = clientEnc.<span class="lg-highlight-title lg-highlight-class">Close</span>(context.<span class="lg-highlight-title lg-highlight-function">TODO</span>())</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}()</td></tr><tr class=""><td class="leafygreen-ui-7razhx">dataKeyOpts <!-- -->:<!-- -->= options.<span class="lg-highlight-title lg-highlight-class">DataKey</span>().</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">SetMasterKey</span>(masterKey)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">dataKeyID<!-- -->, <!-- -->err := clientEnc.<span class="lg-highlight-title lg-highlight-class">CreateDataKey</span>(context.<span class="lg-highlight-title lg-highlight-function">TODO</span>(), provider, dataKeyOpts)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">if</span> err != nil {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> fmt.<span class="lg-highlight-title lg-highlight-class">Errorf</span>(<span class="lg-highlight-string">"create data key error %v"</span>, err)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">fmt.<span class="lg-highlight-title lg-highlight-class">Printf</span>(<span class="lg-highlight-string">"DataKeyId [base64]: %s</span><span class="lg-highlight-string">\n</span><span class="lg-highlight-string">"</span>, base64.<span class="lg-highlight-property">StdEncoding</span>.<span class="lg-highlight-title lg-highlight-class">EncodeToString</span>(dataKeyID.<span class="lg-highlight-property">Data</span>))</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">ClientEncryptionSettings</span> clientEncryptionSettings = <span class="lg-highlight-title lg-highlight-class">ClientEncryptionSettings</span>.<span class="lg-highlight-title lg-highlight-function">builder</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">keyVaultMongoClientSettings</span>(<span class="lg-highlight-title lg-highlight-class">MongoClientSettings</span>.<span class="lg-highlight-title lg-highlight-function">builder</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">applyConnectionString</span>(<span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">ConnectionString</span>(connectionString))</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">build</span>())</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">keyVaultNamespace</span>(keyVaultNamespace)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">kmsProviders</span>(kmsProviders)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">build</span>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">MongoClient</span> regularClient = <span class="lg-highlight-title lg-highlight-class">MongoClients</span>.<span class="lg-highlight-title lg-highlight-function">create</span>(connectionString);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">ClientEncryption</span> clientEncryption = <span class="lg-highlight-title lg-highlight-class">ClientEncryptions</span>.<span class="lg-highlight-title lg-highlight-function">create</span>(clientEncryptionSettings);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">BsonBinary</span> dataKeyId = clientEncryption.<span class="lg-highlight-title lg-highlight-function">createDataKey</span>(kmsProvider, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">DataKeyOptions</span>().<span class="lg-highlight-title lg-highlight-function">masterKey</span>(masterKeyProperties));</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">String</span> base64DataKeyId = <span class="lg-highlight-title lg-highlight-class">Base64</span>.<span class="lg-highlight-title lg-highlight-function">getEncoder</span>().<span class="lg-highlight-title lg-highlight-function">encodeToString</span>(dataKeyId.<span class="lg-highlight-title lg-highlight-function">getData</span>());</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">System</span>.<span class="lg-highlight-property">out</span>.<span class="lg-highlight-title lg-highlight-function">println</span>(<span class="lg-highlight-string">"DataKeyId [base64]: "</span> + base64DataKeyId);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">clientEncryption.<span class="lg-highlight-title lg-highlight-function">close</span>();</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">const</span> client <!-- -->= <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">MongoClient</span>(<!-- -->uri)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">await</span> client.<span class="lg-highlight-title lg-highlight-function">connect</span>(<!-- -->)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">const</span> encryption <!-- -->= <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">ClientEncryption</span>(<!-- -->client<!-- -->, <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->keyVaultNamespace<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->kmsProviders<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">})<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">const</span> key <!-- -->= <span class="lg-highlight-keyword">await</span> encryption.<span class="lg-highlight-title lg-highlight-function">createDataKey</span>(<!-- -->provider<!-- -->, <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">masterKey</span>: <!-- -->masterKey<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">})<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-variable lg-highlight-language">console</span>.<span class="lg-highlight-title lg-highlight-function">log</span>(<span class="lg-highlight-string">"DataKeyId [base64]: "</span>, <!-- -->key.<span class="lg-highlight-title lg-highlight-function">toString</span>(<span class="lg-highlight-string">"base64"</span>))<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">await</span> keyVaultClient.<span class="lg-highlight-title lg-highlight-function">close</span>(<!-- -->)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">await</span> client.<span class="lg-highlight-title lg-highlight-function">close</span>(<!-- -->)<!-- -->;</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
Import ClientEncryption
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
When using the Node.js driver v6.0 and later, you must import
<code class="leafygreen-ui-1l06pbn">
ClientEncryption
</code>
from
<code class="leafygreen-ui-1l06pbn">
mongodb
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
For earlier driver versions, import
<code class="leafygreen-ui-1l06pbn">
ClientEncryption
</code>
from
<code class="leafygreen-ui-1l06pbn">
mongodb-client-encryption
</code>
.
</p>
</div>
</div>
</div>
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<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"key_vault_database = \"encryption\"\nkey_vault_collection = \"__keyVault\"\nkey_vault_namespace = f\"{key_vault_database}.{key_vault_collection}\"\n\nclient = MongoClient(connection_string)\nclient_encryption = ClientEncryption(\n kms_providers, # pass in the kms_providers variable from the previous step\n key_vault_namespace,\n client,\n CodecOptions(uuid_representation=STANDARD),\n)\ndata_key_id = client_encryption.create_data_key(provider, master_key)\n\nbase_64_data_key_id = base64.b64encode(data_key_id)\nprint(\"DataKeyId [base64]: \", base_64_data_key_id)","programmingLanguage":"Python"}
</script>
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<div class="leafygreen-ui-9lvdmr">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">key_vault_database = <span class="lg-highlight-string">"encryption"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">key_vault_collection = <span class="lg-highlight-string">"__keyVault"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">key_vault_namespace = f<span class="lg-highlight-string">"{key_vault_database}.{key_vault_collection}"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">client = <span class="lg-highlight-title lg-highlight-class">MongoClient</span>(connection_string)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">client_encryption = <span class="lg-highlight-title lg-highlight-class">ClientEncryption</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> kms_providers, # pass <span class="lg-highlight-keyword">in</span> the kms_providers variable <span class="lg-highlight-keyword">from</span> the previous step</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> key_vault_namespace,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> client,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">CodecOptions</span>(uuid_representation=<span class="lg-highlight-variable lg-highlight-constant">STANDARD</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">data_key_id = client_encryption.<span class="lg-highlight-title lg-highlight-function">create_data_key</span>(provider, master_key)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">base_64_data_key_id = base64.<span class="lg-highlight-title lg-highlight-function">b64encode</span>(data_key_id)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-function">print</span>(<span class="lg-highlight-string">"DataKeyId [base64]: "</span>, base_64_data_key_id)</td></tr></tbody></table></code></pre>
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<div aria-live="polite" aria-relevant="all" class="leafygreen-ui-11ydt2g" data-lgid="lg-form_field-feedback" data-testid="lg-form_field-feedback">
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</li>
</ol>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
Learn More
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
To view a diagram showing how your client application creates your
Data Encryption Key when using an AWS KMS, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/queryable-encryption/fundamentals/kms-providers/#std-label-qe-fundamentals-kms-providers-aws-architecture">
Architecture
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
To learn more about the options for creating a Data Encryption Key
encrypted with a Customer Master Key hosted in AWS KMS, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/queryable-encryption/fundamentals/kms-providers/#std-label-qe-kms-datakeyopts-aws">
dataKeyOpts Object
<!-- -->
.
</a>
</p>
</div>
</div>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See: Complete Code
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
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Java (Sync)
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<div class="leafygreen-ui-1nxuzmg">
Python
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</button>
</div>
<div class="leafygreen-ui-ov1ktg">
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</div>
</div>
</div>
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<div>
<div aria-labelledby="_0x6zlupft" class="leafygreen-ui-38lglc" id="_s3jcxu39b" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
To view the complete code for making a Data Encryption Key, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://github.com/mongodb/docs/tree/master/source/includes/generated/in-use-encryption/csfle/dotnet/aws/reader/CSFLE/MakeDataKey.cs" rel="noopener noreferrer">
<span>
our Github repository
</span>
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<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
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<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
To view the complete code for making a Data Encryption Key, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://github.com/mongodb/docs/tree/master/source/includes/generated/in-use-encryption/csfle/go/aws/reader/make-data-key.go" rel="noopener noreferrer">
<span>
our Github repository
<!-- -->
.
</span>
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<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</p>
</div>
</div>
</div>
<div>
<div aria-labelledby="_sg7ed29f1" class="leafygreen-ui-38lglc" id="_pfg2y6s3m" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
To view the complete code for making a Data Encryption Key, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://github.com/mongodb/docs/tree/master/source/includes/generated/in-use-encryption/csfle/java/aws/reader/src/main/java/com/mongodb/csfle/MakeDataKey.java" rel="noopener noreferrer">
<span>
our Github repository
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.
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
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</div>
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<div>
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<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
To view the complete code for making a Data Encryption Key, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://github.com/mongodb/docs/tree/master/source/includes/generated/in-use-encryption/csfle/node/aws/reader/make_data_key.js" rel="noopener noreferrer">
<span>
our Github repository
<!-- -->
.
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</p>
</div>
</div>
</div>
<div>
<div aria-labelledby="_1n37qf63q" class="leafygreen-ui-38lglc" id="_s5sbh1z17" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
To view the complete code for making a Data Encryption Key, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://github.com/mongodb/docs/tree/master/source/includes/generated/in-use-encryption/csfle/python/aws/reader/make_data_key.py" rel="noopener noreferrer">
<span>
our Github repository
<!-- -->
.
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</p>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</section>
</div>
</div>
<div class="css-1nuklj8 e1ckbxcu1">
<div class="css-18fui5z e1ckbxcu0">
<div class="css-19lsqsq e1ckbxcu2">
3
</div>
</div>
<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Configure the MongoClient
<a class="headerlink leafygreen-ui-1kepx47" href="#configure-the-mongoclient" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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<div class="css-1btu0w3 evvkmar0" id="configure-the-mongoclient">
</div>
</a>
</h3>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Follow the remaining steps in this tutorial in a separate file
from the one created in the previous steps.
</p>
<div aria-hidden="true">
</div>
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C#
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Go
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Java (Sync)
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Node.js
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Python
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</button>
</div>
<div class="leafygreen-ui-ov1ktg">
<div class="leafygreen-ui-1sg2lsz">
</div>
</div>
</div>
<div class="lg-ui-tab-panels-0000" data-lgid="lg-tabs-tab_panels">
<div>
<div aria-labelledby="_0e7hxq0un" class="leafygreen-ui-38lglc" id="_5xp71r5ts" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
To view the complete code for this file, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://github.com/mongodb/docs/tree/master/source/includes/generated/in-use-encryption/csfle/dotnet/aws/reader/CSFLE/InsertEncryptedDocument.cs" rel="noopener noreferrer">
<span>
our Github repository
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
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<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
To view the complete code for this file, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://github.com/mongodb/docs/tree/master/source/includes/generated/in-use-encryption/csfle/go/aws/reader/insert-encrypted-document.go" rel="noopener noreferrer">
<span>
our Github repository
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.
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
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<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
To view the complete code for this file, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://github.com/mongodb/docs/tree/master/source/includes/generated/in-use-encryption/csfle/java/aws/reader/src/main/java/com/mongodb/csfle/InsertEncryptedDocument.java" rel="noopener noreferrer">
<span>
our Github repository
<!-- -->
.
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
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<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
To view the complete code for this file, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://github.com/mongodb/docs/tree/master/source/includes/generated/in-use-encryption/csfle/node/aws/reader/insert_encrypted_document.js" rel="noopener noreferrer">
<span>
our Github repository
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.
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
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<div class="leafygreen-ui-1kdmo88">
<p class="leafygreen-ui-1kp3ins">
To view the complete code for this file, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://github.com/mongodb/docs/tree/master/source/includes/generated/in-use-encryption/csfle/python/aws/reader/insert_encrypted_document.py" rel="noopener noreferrer">
<span>
our Github repository
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.
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<ol class="leafygreen-ui-rioki0" type="a">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Specify the Key Vault Collection Namespace
</p>
<p class="leafygreen-ui-1kp3ins">
Specify
<code class="leafygreen-ui-1l06pbn">
encryption.__keyVault
</code>
as the Key Vault collection
namespace.
</p>
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<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"var keyVaultNamespace = CollectionNamespace.FromFullName(\"encryption.__keyVault\");","programmingLanguage":"C#"}
</script>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> keyVaultNamespace = <span class="lg-highlight-title lg-highlight-class">CollectionNamespace</span>.<span class="lg-highlight-title lg-highlight-class">FromFullName</span>(<span class="lg-highlight-string">"encryption.__keyVault"</span>);</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">keyVaultNamespace <!-- -->:<!-- -->= <span class="lg-highlight-string">"encryption.__keyVault"</span></td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">String</span> keyVaultNamespace = <span class="lg-highlight-string">"encryption.__keyVault"</span>;</td></tr></tbody></table></code></pre>
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Specify your AWS Credentials
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Specify the
<code class="leafygreen-ui-1l06pbn">
aws
</code>
KMS provider and your
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IAM
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user
credentials:
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> kmsProviders = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Dictionary</span><string, <span class="lg-highlight-title lg-highlight-class">IReadOnlyDictionary</span><string, object>>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> provider = <span class="lg-highlight-string">"aws"</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> awsKmsOptions = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Dictionary</span><string, object></td></tr><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"accessKeyId"</span>, <span class="lg-highlight-string">"<Your AWS Access Key ID>"</span> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"secretAccessKey"</span>, <span class="lg-highlight-string">"<Your AWS Secret Access Key>"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">};</td></tr><tr class=""><td class="leafygreen-ui-7razhx">kmsProviders.<span class="lg-highlight-title lg-highlight-class">Add</span>(provider, awsKmsOptions);</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">Map</span><<span class="lg-highlight-title lg-highlight-class">String</span>, <span class="lg-highlight-title lg-highlight-class">Map</span><<span class="lg-highlight-title lg-highlight-class">String</span>, <span class="lg-highlight-title lg-highlight-class">Object</span>>> kmsProviders = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">HashMap</span><<span class="lg-highlight-title lg-highlight-class">String</span>, <span class="lg-highlight-title lg-highlight-class">Map</span><<span class="lg-highlight-title lg-highlight-class">String</span>, <span class="lg-highlight-title lg-highlight-class">Object</span>>>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">String</span> kmsProvider = <span class="lg-highlight-string">"aws"</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">Map</span><<span class="lg-highlight-title lg-highlight-class">String</span>, <span class="lg-highlight-title lg-highlight-class">Object</span>> providerDetails = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">HashMap</span><>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx">providerDetails.<span class="lg-highlight-title lg-highlight-function">put</span>(<span class="lg-highlight-string">"accessKeyId"</span>, <span class="lg-highlight-string">"<IAM User Access Key ID>"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">providerDetails.<span class="lg-highlight-title lg-highlight-function">put</span>(<span class="lg-highlight-string">"secretAccessKey"</span>, <span class="lg-highlight-string">"<IAM User Secret Access Key>"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">kmsProviders.<span class="lg-highlight-title lg-highlight-function">put</span>(kmsProvider, providerDetails);</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">const</span> kmsProviders <!-- -->= <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">aws</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">accessKeyId</span>: <span class="lg-highlight-string">"<Your AWS Access Key ID>"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">secretAccessKey</span>: <span class="lg-highlight-string">"<Your AWS Secret Access Key>"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->;</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"provider = \"aws\"\nkms_providers = {\n \"aws\": {\n \"accessKeyId\": \"<iam>\",\n \"secretAccessKey\": \"<iam>\",\n }\n}","programmingLanguage":"Python"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">provider = <span class="lg-highlight-string">"aws"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">kms_providers = {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"aws"</span>: {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"accessKeyId"</span>: <span class="lg-highlight-string">"<IAM User Access Key ID>"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"secretAccessKey"</span>: <span class="lg-highlight-string">"<IAM User Secret Access Key>"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
Reminder: Authenticate with IAM Roles in Production
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
To use an
<span class="leafygreen-ui-vm4wms" tabindex="0">
IAM
</span>
role instead of an
<span class="leafygreen-ui-vm4wms" tabindex="0">
IAM
</span>
user
to authenticate your application,
specify an empty object for your credentials in your KMS provider
object. This instructs the driver to automatically retrieve the credentials
from the environment:
</p>
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</div>
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<div class="leafygreen-ui-1kdmo88">
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"kmsProviders = {\n aws: { }\n};","programmingLanguage":"JavaScript"}
</script>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">kmsProviders <!-- -->= <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">aws</span>: <!-- -->{ <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->;</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">kmsProviderCredentials.<span class="lg-highlight-title lg-highlight-class">Add</span>(<span class="lg-highlight-string">"aws"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Dictionary</span><string, object>);</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"kmsProviderCredentials.put(\"aws\", new HashMap<>());","programmingLanguage":"Java"}
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">kmsProviderCredentials.<span class="lg-highlight-title lg-highlight-function">put</span>(<span class="lg-highlight-string">"aws"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">HashMap</span><>());</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">kmsProviders <!-- -->= <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">aws</span>: <!-- -->{ <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->;</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">kms_provider_credentials = {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"aws"</span>: { }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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Create an Encryption Schema For Your Collection
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<h2 class="leafygreen-ui-1fn4p2b">
Tip
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<strong>
Add Your Data Encryption Key Base64 ID
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Make sure to update the following code to include your Base64
<span class="leafygreen-ui-vm4wms" tabindex="0">
DEK
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ID. You received this value in the
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Generate your Data Encryption Key
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<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"var keyId = \"<your>\";\nvar schema = new BsonDocument\n{\n { \"bsonType\", \"object\" },\n {\n \"encryptMetadata\",\n new BsonDocument(\"keyId\", new BsonArray(new[] { new BsonBinaryData(Convert.FromBase64String(keyId), BsonBinarySubType.UuidStandard) }))\n },\n {\n \"properties\",\n new BsonDocument\n {\n {\n \"ssn\", new BsonDocument\n {\n {\n \"encrypt\", new BsonDocument\n {\n { \"bsonType\", \"int\" },\n { \"algorithm\", \"AEAD_AES_256_CBC_HMAC_SHA_512-Deterministic\" }\n }\n }\n }\n },\n {\n \"bloodType\", new BsonDocument\n {\n {\n \"encrypt\", new BsonDocument\n {\n { \"bsonType\", \"string\" },\n { \"algorithm\", \"AEAD_AES_256_CBC_HMAC_SHA_512-Random\" }\n }\n }\n }\n },\n {\n \"medicalRecords\", new BsonDocument\n {\n {\n \"encrypt\", new BsonDocument\n {\n { \"bsonType\", \"array\" },\n { \"algorithm\", \"AEAD_AES_256_CBC_HMAC_SHA_512-Random\" }\n }\n }\n }\n },\n {\n \"insurance\", new BsonDocument\n {\n { \"bsonType\", \"object\" },\n {\n \"properties\", new BsonDocument\n {\n {\n \"policyNumber\", new BsonDocument\n {\n {\n \"encrypt\", new BsonDocument\n {\n { \"bsonType\", \"int\" },\n { \"algorithm\", \"AEAD_AES_256_CBC_HMAC_SHA_512-Deterministic\" }\n }\n }\n }\n }\n }\n }\n }\n }\n }\n }\n};\nvar schemaMap = new Dictionary<string,>();\nschemaMap.Add(dbNamespace, schema);","programmingLanguage":"C#"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> keyId = <span class="lg-highlight-string">"<Your base64 DEK ID here>"</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> schema = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"bsonType"</span>, <span class="lg-highlight-string">"object"</span> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"encryptMetadata"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span>(<span class="lg-highlight-string">"keyId"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonArray</span>(<span class="lg-highlight-keyword">new</span>[] { <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonBinaryData</span>(<span class="lg-highlight-title lg-highlight-class">Convert</span>.<span class="lg-highlight-title lg-highlight-class">FromBase64String</span>(keyId), <span class="lg-highlight-title lg-highlight-class">BsonBinarySubType</span>.<span class="lg-highlight-property">UuidStandard</span>) }))</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"properties"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"ssn"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"encrypt"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"bsonType"</span>, <span class="lg-highlight-string">"int"</span> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"algorithm"</span>, <span class="lg-highlight-string">"AEAD_AES_256_CBC_HMAC_SHA_512-Deterministic"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"bloodType"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"encrypt"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"bsonType"</span>, <span class="lg-highlight-string">"string"</span> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"algorithm"</span>, <span class="lg-highlight-string">"AEAD_AES_256_CBC_HMAC_SHA_512-Random"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"medicalRecords"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"encrypt"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"bsonType"</span>, <span class="lg-highlight-string">"array"</span> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"algorithm"</span>, <span class="lg-highlight-string">"AEAD_AES_256_CBC_HMAC_SHA_512-Random"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"insurance"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"bsonType"</span>, <span class="lg-highlight-string">"object"</span> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"properties"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"policyNumber"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"encrypt"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"bsonType"</span>, <span class="lg-highlight-string">"int"</span> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"algorithm"</span>, <span class="lg-highlight-string">"AEAD_AES_256_CBC_HMAC_SHA_512-Deterministic"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">};</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> schemaMap = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Dictionary</span><string, <span class="lg-highlight-title lg-highlight-class">BsonDocument</span>>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx">schemaMap.<span class="lg-highlight-title lg-highlight-class">Add</span>(dbNamespace, schema);</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"dek_id := \"<your>\"\nschema_template := `{\n\t\"bsonType\": \"object\",\n\t\"encryptMetadata\": {\n\t\t\"keyId\": [\n\t\t\t{\n\t\t\t\t\"$binary\": {\n\t\t\t\t\t\"base64\": \"%s\",\n\t\t\t\t\t\"subType\": \"04\"\n\t\t\t\t}\n\t\t\t}\n\t\t]\n\t},\n\t\"properties\": {\n\t\t\"insurance\": {\n\t\t\t\"bsonType\": \"object\",\n\t\t\t\"properties\": {\n\t\t\t\t\"policyNumber\": {\n\t\t\t\t\t\"encrypt\": {\n\t\t\t\t\t\t\"bsonType\": \"int\",\n\t\t\t\t\t\t\"algorithm\": \"AEAD_AES_256_CBC_HMAC_SHA_512-Deterministic\"\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t},\n\t\t\"medicalRecords\": {\n\t\t\t\"encrypt\": {\n\t\t\t\t\"bsonType\": \"array\",\n\t\t\t\t\"algorithm\": \"AEAD_AES_256_CBC_HMAC_SHA_512-Random\"\n\t\t\t}\n\t\t},\n\t\t\"bloodType\": {\n\t\t\t\"encrypt\": {\n\t\t\t\t\"bsonType\": \"string\",\n\t\t\t\t\"algorithm\": \"AEAD_AES_256_CBC_HMAC_SHA_512-Random\"\n\t\t\t}\n\t\t},\n\t\t\"ssn\": {\n\t\t\t\"encrypt\": {\n\t\t\t\t\"bsonType\": \"int\",\n\t\t\t\t\"algorithm\": \"AEAD_AES_256_CBC_HMAC_SHA_512-Deterministic\"\n\t\t\t}\n\t\t}\n\t}\n}`\nschema := fmt.Sprintf(schema_template, dek_id)\nvar schemaDoc bson.Raw\nif err := bson.UnmarshalExtJSON([]byte(schema), true, &schemaDoc); err != nil {\n\treturn fmt.Errorf(\"UnmarshalExtJSON error: %v\", err)\n}\nschemaMap := map[string]interface{}{\n\tdbName + \".\" + collName: schemaDoc,\n}","programmingLanguage":"Golang"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">dek_id <!-- -->:<!-- -->= <span class="lg-highlight-string">"<Your Base64 DEK ID>"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">schema_template <!-- -->:<!-- -->= <span class="lg-highlight-string">`{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> "bsonType": "object",</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> "encryptMetadata": {</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> "keyId": [</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> {</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> "$binary": {</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> "base64": "%s",</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> "subType": "04"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> }</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> }</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> ]</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> },</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> "properties": {</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> "insurance": {</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> "bsonType": "object",</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> "properties": {</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> "policyNumber": {</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> "encrypt": {</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> "bsonType": "int",</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> "algorithm": "AEAD_AES_256_CBC_HMAC_SHA_512-Deterministic"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> }</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> }</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> }</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> },</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> "medicalRecords": {</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> "encrypt": {</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> "bsonType": "array",</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> "algorithm": "AEAD_AES_256_CBC_HMAC_SHA_512-Random"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> }</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> },</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> "bloodType": {</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> "encrypt": {</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> "bsonType": "string",</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> "algorithm": "AEAD_AES_256_CBC_HMAC_SHA_512-Random"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> }</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> },</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> "ssn": {</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> "encrypt": {</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> "bsonType": "int",</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> "algorithm": "AEAD_AES_256_CBC_HMAC_SHA_512-Deterministic"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> }</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> }</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string"> }</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-string">}`</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">schema <!-- -->:<!-- -->= fmt.<span class="lg-highlight-title lg-highlight-class">Sprintf</span>(schema_template, dek_id)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> schemaDoc bson.<span class="lg-highlight-property">Raw</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">if</span> err <!-- -->:<!-- -->= bson.<span class="lg-highlight-title lg-highlight-class">UnmarshalExtJSON</span>([]<span class="lg-highlight-title lg-highlight-function">byte</span>(schema), <span class="lg-highlight-literal">true</span>, &schemaDoc); err != nil {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> fmt.<span class="lg-highlight-title lg-highlight-class">Errorf</span>(<span class="lg-highlight-string">"UnmarshalExtJSON error: %v"</span>, err)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx">schemaMap <!-- -->:<!-- -->= map[string]interface{}{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> dbName + <span class="lg-highlight-string">"."</span> + <span class="lg-highlight-attr">collName</span>: schemaDoc,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">String</span> dekId = <span class="lg-highlight-string">"<paste-base-64-encoded-data-encryption-key-id>>"</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">Document</span> jsonSchema = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Document</span>().<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"bsonType"</span>, <span class="lg-highlight-string">"object"</span>).<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"encryptMetadata"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Document</span>().<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"keyId"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">ArrayList</span><>((<span class="lg-highlight-title lg-highlight-class">Arrays</span>.<span class="lg-highlight-title lg-highlight-function">asList</span>(<span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Document</span>().<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"$binary"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Document</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"base64"</span>, dekId)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"subType"</span>, <span class="lg-highlight-string">"04"</span>)))))))</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"properties"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Document</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"ssn"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Document</span>().<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"encrypt"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Document</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"bsonType"</span>, <span class="lg-highlight-string">"int"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"algorithm"</span>, <span class="lg-highlight-string">"AEAD_AES_256_CBC_HMAC_SHA_512-Deterministic"</span>)))</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"bloodType"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Document</span>().<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"encrypt"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Document</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"bsonType"</span>, <span class="lg-highlight-string">"string"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"algorithm"</span>, <span class="lg-highlight-string">"AEAD_AES_256_CBC_HMAC_SHA_512-Random"</span>)))</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"medicalRecords"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Document</span>().<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"encrypt"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Document</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"bsonType"</span>, <span class="lg-highlight-string">"array"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"algorithm"</span>, <span class="lg-highlight-string">"AEAD_AES_256_CBC_HMAC_SHA_512-Random"</span>)))</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"insurance"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Document</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"bsonType"</span>, <span class="lg-highlight-string">"object"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"properties"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Document</span>().<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"policyNumber"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Document</span>().<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"encrypt"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Document</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"bsonType"</span>, <span class="lg-highlight-string">"int"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"algorithm"</span>, <span class="lg-highlight-string">"AEAD_AES_256_CBC_HMAC_SHA_512-Deterministic"</span>))))));</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">HashMap</span><<span class="lg-highlight-title lg-highlight-class">String</span>, <span class="lg-highlight-title lg-highlight-class">BsonDocument</span>> schemaMap = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">HashMap</span><<span class="lg-highlight-title lg-highlight-class">String</span>, <span class="lg-highlight-title lg-highlight-class">BsonDocument</span>>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx">schemaMap.<span class="lg-highlight-title lg-highlight-function">put</span>(<span class="lg-highlight-string">"medicalRecords.patients"</span>, <span class="lg-highlight-title lg-highlight-class">BsonDocument</span>.<span class="lg-highlight-title lg-highlight-function">parse</span>(jsonSchema.<span class="lg-highlight-title lg-highlight-function">toJson</span>()));</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">dataKey <!-- -->= <span class="lg-highlight-string">"<Your base64 DEK ID>"</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">const</span> schema <!-- -->= <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">bsonType</span>: <span class="lg-highlight-string">"object"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">encryptMetadata</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">keyId</span>: <!-- -->[<span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Binary</span>(<span class="lg-highlight-title lg-highlight-class">Buffer</span>.<span class="lg-highlight-title lg-highlight-function">from</span>(<!-- -->dataKey<!-- -->, <span class="lg-highlight-string">"base64"</span>)<!-- -->, <span class="lg-highlight-number">4</span>)]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">properties</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">insurance</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">bsonType</span>: <span class="lg-highlight-string">"object"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">properties</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">policyNumber</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">encrypt</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">bsonType</span>: <span class="lg-highlight-string">"int"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">algorithm</span>: <span class="lg-highlight-string">"AEAD_AES_256_CBC_HMAC_SHA_512-Deterministic"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">medicalRecords</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">encrypt</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">bsonType</span>: <span class="lg-highlight-string">"array"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">algorithm</span>: <span class="lg-highlight-string">"AEAD_AES_256_CBC_HMAC_SHA_512-Random"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">bloodType</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">encrypt</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">bsonType</span>: <span class="lg-highlight-string">"string"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">algorithm</span>: <span class="lg-highlight-string">"AEAD_AES_256_CBC_HMAC_SHA_512-Random"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">ssn</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">encrypt</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">bsonType</span>: <span class="lg-highlight-string">"int"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">algorithm</span>: <span class="lg-highlight-string">"AEAD_AES_256_CBC_HMAC_SHA_512-Deterministic"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> patientSchema <!-- -->= <!-- -->{<!-- -->}<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">patientSchema<!-- -->[<!-- -->namespace] <!-- -->= <!-- -->schema<!-- -->;</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">dek_id = b<span class="lg-highlight-string">"<paste-base-64-encoded-data-encryption-key-id>"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">json_schema = {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"bsonType"</span>: <span class="lg-highlight-string">"object"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"encryptMetadata"</span>: {<span class="lg-highlight-string">"keyId"</span>: [<span class="lg-highlight-title lg-highlight-class">Binary</span>(base64.<span class="lg-highlight-title lg-highlight-function">b64decode</span>(dek_id), <span class="lg-highlight-variable lg-highlight-constant">UUID_SUBTYPE</span>)]},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"properties"</span>: {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"insurance"</span>: {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"bsonType"</span>: <span class="lg-highlight-string">"object"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"properties"</span>: {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"policyNumber"</span>: {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"encrypt"</span>: {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"bsonType"</span>: <span class="lg-highlight-string">"int"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"algorithm"</span>: <span class="lg-highlight-string">"AEAD_AES_256_CBC_HMAC_SHA_512-Deterministic"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"medicalRecords"</span>: {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"encrypt"</span>: {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"bsonType"</span>: <span class="lg-highlight-string">"array"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"algorithm"</span>: <span class="lg-highlight-string">"AEAD_AES_256_CBC_HMAC_SHA_512-Random"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"bloodType"</span>: {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"encrypt"</span>: {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"bsonType"</span>: <span class="lg-highlight-string">"string"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"algorithm"</span>: <span class="lg-highlight-string">"AEAD_AES_256_CBC_HMAC_SHA_512-Random"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"ssn"</span>: {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"encrypt"</span>: {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"bsonType"</span>: <span class="lg-highlight-string">"int"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"algorithm"</span>: <span class="lg-highlight-string">"AEAD_AES_256_CBC_HMAC_SHA_512-Deterministic"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">patient_schema = {<span class="lg-highlight-string">"medicalRecords.patients"</span>: json_schema}</td></tr></tbody></table></code></pre>
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Specify the Location of the Automatic Encryption Shared Library
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"var mongoBinariesPath = \"<full>\";\nvar extraOptions = new Dictionary<string,>()\n{\n { \"cryptSharedLibPath\", mongoBinariesPath },\n};","programmingLanguage":"C#"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> mongoBinariesPath = <span class="lg-highlight-string">"<Full path to your Automatic Encryption Shared Library>"</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> extraOptions = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Dictionary</span><string, object>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"cryptSharedLibPath"</span>, mongoBinariesPath },</td></tr><tr class=""><td class="leafygreen-ui-7razhx">};</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">Map</span><<span class="lg-highlight-title lg-highlight-class">String</span>, <span class="lg-highlight-title lg-highlight-class">Object</span>> extraOptions = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">HashMap</span><<span class="lg-highlight-title lg-highlight-class">String</span>, <span class="lg-highlight-title lg-highlight-class">Object</span>>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx">extraOptions.<span class="lg-highlight-title lg-highlight-function">put</span>(<span class="lg-highlight-string">"cryptSharedLibPath"</span>, <span class="lg-highlight-string">"<Full path to your Automatic Encryption Shared Library>"</span>));</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">extra_options = {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"cryptSharedLibPath"</span>: <span class="lg-highlight-string">"<Full path to your Automatic Encryption Shared Library>"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
Automatic Encryption Options
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
The automatic encryption options provide configuration
information to the Automatic Encryption Shared Library,
which modifies the application's behavior when accessing encrypted fields.
</p>
<p class="leafygreen-ui-1kp3ins">
To learn more about the Automatic Encryption Shared Library, see
the
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Install and Configure a CSFLE Library
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page.
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Create the MongoClient
</p>
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Instantiate a MongoDB client object with the following automatic
encryption settings that use the variables declared in the previous steps:
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"MongoClientSettings.Extensions.AddAutoEncryption(); // .NET/C# Driver v3.0 or later only\nvar clientSettings = MongoClientSettings.FromConnectionString(connectionString);\nvar autoEncryptionOptions = new AutoEncryptionOptions(\n keyVaultNamespace: keyVaultNamespace,\n kmsProviders: kmsProviders,\n schemaMap: schemaMap,\n extraOptions: extraOptions\n );\nclientSettings.AutoEncryptionOptions = autoEncryptionOptions;\nvar secureClient = new MongoClient(clientSettings);","programmingLanguage":"C#"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">MongoClientSettings</span>.<span class="lg-highlight-property">Extensions</span>.<span class="lg-highlight-title lg-highlight-class">AddAutoEncryption</span>(); <span class="lg-highlight-comment">// .NET/C# Driver v3.0 or later only</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> clientSettings = <span class="lg-highlight-title lg-highlight-class">MongoClientSettings</span>.<span class="lg-highlight-title lg-highlight-class">FromConnectionString</span>(connectionString);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> autoEncryptionOptions = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">AutoEncryptionOptions</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">keyVaultNamespace</span>: keyVaultNamespace,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">kmsProviders</span>: kmsProviders,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">schemaMap</span>: schemaMap,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">extraOptions</span>: extraOptions</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> );</td></tr><tr class=""><td class="leafygreen-ui-7razhx">clientSettings.<span class="lg-highlight-property">AutoEncryptionOptions</span> = autoEncryptionOptions;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> secureClient = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">MongoClient</span>(clientSettings);</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> clientSettings = <span class="lg-highlight-title lg-highlight-class">MongoClientSettings</span>.<span class="lg-highlight-title lg-highlight-class">FromConnectionString</span>(connectionString);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> autoEncryptionOptions = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">AutoEncryptionOptions</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">keyVaultNamespace</span>: keyVaultNamespace,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">kmsProviders</span>: kmsProviders,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">schemaMap</span>: schemaMap,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">extraOptions</span>: extraOptions</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> );</td></tr><tr class=""><td class="leafygreen-ui-7razhx">clientSettings.<span class="lg-highlight-property">AutoEncryptionOptions</span> = autoEncryptionOptions;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> secureClient = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">MongoClient</span>(clientSettings);</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"> autoEncryptionOpts <!-- -->:<!-- -->= options.<span class="lg-highlight-title lg-highlight-class">AutoEncryption</span>().</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">SetKmsProviders</span>(kmsProviders).</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">SetKeyVaultNamespace</span>(keyVaultNamespace).</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">SetSchemaMap</span>(schemaMap).</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">SetExtraOptions</span>(extraOptions)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> secureClient<!-- -->, <!-- -->err := mongo.<span class="lg-highlight-title lg-highlight-class">Connect</span>(context.<span class="lg-highlight-title lg-highlight-function">TODO</span>(), options.<span class="lg-highlight-title lg-highlight-class">Client</span>().<span class="lg-highlight-title lg-highlight-class">ApplyURI</span>(uri).<span class="lg-highlight-title lg-highlight-class">SetAutoEncryptionOptions</span>(autoEncryptionOpts))</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> err != nil {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> fmt.<span class="lg-highlight-title lg-highlight-class">Errorf</span>(<span class="lg-highlight-string">"Connect error for encrypted client: %v"</span>, err)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> defer <span class="lg-highlight-title lg-highlight-function">func</span>() {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> _ = secureClient.<span class="lg-highlight-title lg-highlight-class">Disconnect</span>(context.<span class="lg-highlight-title lg-highlight-function">TODO</span>())</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }()</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">MongoClientSettings</span> clientSettings = <span class="lg-highlight-title lg-highlight-class">MongoClientSettings</span>.<span class="lg-highlight-title lg-highlight-function">builder</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">applyConnectionString</span>(<span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">ConnectionString</span>(connectionString))</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">autoEncryptionSettings</span>(<span class="lg-highlight-title lg-highlight-class">AutoEncryptionSettings</span>.<span class="lg-highlight-title lg-highlight-function">builder</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">keyVaultNamespace</span>(keyVaultNamespace)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">kmsProviders</span>(kmsProviders)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">schemaMap</span>(schemaMap)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">extraOptions</span>(extraOptions)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">build</span>())</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">build</span>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">MongoClient</span> mongoClientSecure = <span class="lg-highlight-title lg-highlight-class">MongoClients</span>.<span class="lg-highlight-title lg-highlight-function">create</span>(clientSettings);</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">const</span> secureClient <!-- -->= <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">MongoClient</span>(<!-- -->connectionString<!-- -->, <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">autoEncryption</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->keyVaultNamespace<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->kmsProviders<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">schemaMap</span>: <!-- -->patientSchema<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">extraOptions</span>: <!-- -->extraOptions<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">})<!-- -->;</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">fle_opts = <span class="lg-highlight-title lg-highlight-class">AutoEncryptionOpts</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> kms_providers, key_vault_namespace, schema_map=patient_schema, **extra_options</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">secureClient = <span class="lg-highlight-title lg-highlight-class">MongoClient</span>(connection_string, auto_encryption_opts=fle_opts)</td></tr></tbody></table></code></pre>
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<div class="css-1ed38mk">
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Insert a Document with Encrypted Fields
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<span class="leafygreen-ui-1qnjd6d" id="std-label-csfle-aws-insert">
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<p class="leafygreen-ui-1kp3ins">
Use your CSFLE-enabled
<code class="leafygreen-ui-1l06pbn">
MongoClient
</code>
instance to insert a document with encrypted fields into the
<code class="leafygreen-ui-1l06pbn">
medicalRecords.patients
</code>
namespace using the following code
snippet:
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<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":" var sampleDocFields = new BsonDocument\n {\n { \"name\", \"Jon Doe\" },\n { \"ssn\", 145014000 },\n { \"bloodType\", \"AB-\" },\n {\n \"medicalRecords\", new BsonArray\n {\n new BsonDocument(\"weight\", 180),\n new BsonDocument(\"bloodPressure\", \"120/80\")\n }\n },\n {\n \"insurance\", new BsonDocument\n {\n { \"policyNumber\", 123142 },\n { \"provider\", \"MaestCare\" }\n }\n }\n };\n\n // Construct an auto-encrypting client\n var secureCollection = secureClient.GetDatabase(db).GetCollection<bsondocument>(coll);\n\n // Insert a document into the collection\n secureCollection.InsertOne(sampleDocFields);","programmingLanguage":"C#"}
</script>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">var</span> sampleDocFields = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"name"</span>, <span class="lg-highlight-string">"Jon Doe"</span> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"ssn"</span>, <span class="lg-highlight-number">145014000</span> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"bloodType"</span>, <span class="lg-highlight-string">"AB-"</span> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"medicalRecords"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonArray</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span>(<span class="lg-highlight-string">"weight"</span>, <span class="lg-highlight-number">180</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span>(<span class="lg-highlight-string">"bloodPressure"</span>, <span class="lg-highlight-string">"120/80"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"insurance"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"policyNumber"</span>, <span class="lg-highlight-number">123142</span> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"provider"</span>, <span class="lg-highlight-string">"MaestCare"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> };</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// Construct an auto-encrypting client</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">var</span> secureCollection = secureClient.<span class="lg-highlight-title lg-highlight-class">GetDatabase</span>(db).<span class="lg-highlight-property">GetCollection</span><<span class="lg-highlight-title lg-highlight-class">BsonDocument</span>>(coll);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Insert a document </span><span class="lg-highlight-comment">into the collection</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> secureCollection.<span class="lg-highlight-title lg-highlight-class">InsertOne</span>(sampleDocFields);</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"> test_patient <!-- -->:<!-- -->= map[string]interface{}{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"name"</span>: <span class="lg-highlight-string">"Jon Doe"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"ssn"</span>: <span class="lg-highlight-number">241014209</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"bloodType"</span>: <span class="lg-highlight-string">"AB+"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"medicalRecords"</span>: []map[string]interface{}{{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"weight"</span>: <span class="lg-highlight-number">180</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"bloodPressure"</span>: <span class="lg-highlight-string">"120/80"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"insurance"</span>: map[string]interface{}{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"provider"</span>: <span class="lg-highlight-string">"MaestCare"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"policyNumber"</span>: <span class="lg-highlight-number">123142</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> _<!-- -->, <!-- -->err := secureClient.<span class="lg-highlight-title lg-highlight-class">Database</span>(dbName).<span class="lg-highlight-title lg-highlight-class">Collection</span>(collName).<span class="lg-highlight-title lg-highlight-class">InsertOne</span>(context.<span class="lg-highlight-title lg-highlight-function">TODO</span>(), test_patient); err != nil {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> fmt.<span class="lg-highlight-title lg-highlight-class">Errorf</span>(<span class="lg-highlight-string">"InsertOne error: %v"</span>, err)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr></tbody></table></code></pre>
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<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Rather than creating a raw BSON document, you can pass a struct with
<code class="leafygreen-ui-1l06pbn">
bson
</code>
tags directly
to the driver for encoding.
</p>
</div>
</div>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"ArrayList<document> medicalRecords = new ArrayList<>();\nmedicalRecords.add(new Document().append(\"weight\", \"180\"));\nmedicalRecords.add(new Document().append(\"bloodPressure\", \"120/80\"));\n\nDocument insurance = new Document()\n.append(\"policyNumber\", 123142)\n.append(\"provider\", \"MaestCare\");\n\nDocument patient = new Document()\n .append(\"name\", \"Jon Doe\")\n .append(\"ssn\", 241014209)\n .append(\"bloodType\", \"AB+\")\n .append(\"medicalRecords\", medicalRecords)\n .append(\"insurance\", insurance);\nmongoClientSecure.getDatabase(recordsDb).getCollection(recordsColl).insertOne(patient);","programmingLanguage":"Java"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">ArrayList</span><<span class="lg-highlight-title lg-highlight-class">Document</span>> medicalRecords = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">ArrayList</span><>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx">medicalRecords.<span class="lg-highlight-title lg-highlight-function">add</span>(<span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Document</span>().<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"weight"</span>, <span class="lg-highlight-string">"180"</span>));</td></tr><tr class=""><td class="leafygreen-ui-7razhx">medicalRecords.<span class="lg-highlight-title lg-highlight-function">add</span>(<span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Document</span>().<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"bloodPressure"</span>, <span class="lg-highlight-string">"120/80"</span>));</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">Document</span> insurance = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Document</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx">.<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"policyNumber"</span>, <span class="lg-highlight-number">123142</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">.<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"provider"</span>, <span class="lg-highlight-string">"MaestCare"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">Document</span> patient = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Document</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"name"</span>, <span class="lg-highlight-string">"Jon Doe"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"ssn"</span>, <span class="lg-highlight-number">241014209</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"bloodType"</span>, <span class="lg-highlight-string">"AB+"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"medicalRecords"</span>, medicalRecords)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"insurance"</span>, insurance);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">mongoClientSecure.<span class="lg-highlight-title lg-highlight-function">getDatabase</span>(recordsDb).<span class="lg-highlight-title lg-highlight-function">getCollection</span>(recordsColl).<span class="lg-highlight-title lg-highlight-function">insertOne</span>(patient);</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">try</span> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">const</span> writeResult <!-- -->= <span class="lg-highlight-keyword">await</span> secureClient</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">db</span>(<!-- -->db)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">collection</span>(<!-- -->coll)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">insertOne</span>(<!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">"Jon Doe"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">ssn</span>: <span class="lg-highlight-number">241014209</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">bloodType</span>: <span class="lg-highlight-string">"AB+"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">medicalRecords</span>: <!-- -->[<!-- -->{ <span class="lg-highlight-attr">weight</span>: <span class="lg-highlight-number">180</span>, <span class="lg-highlight-attr">bloodPressure</span>: <span class="lg-highlight-string">"120/80"</span> }]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">insurance</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">policyNumber</span>: <span class="lg-highlight-number">123142</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">provider</span>: <span class="lg-highlight-string">"MaestCare"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->})<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">} <span class="lg-highlight-keyword">catch</span> <!-- -->(<!-- -->writeError) <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-variable lg-highlight-language">console</span>.<span class="lg-highlight-title lg-highlight-function">error</span>(<span class="lg-highlight-string">"writeError occurred:"</span>, <!-- -->writeError)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">def <span class="lg-highlight-title lg-highlight-function">insert_patient</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> collection, name, ssn, blood_type, medical_records, policy_number, provider</td></tr><tr class=""><td class="leafygreen-ui-7razhx">):<!-- --></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> insurance = {<span class="lg-highlight-string">"policyNumber"</span>: policy_number, <span class="lg-highlight-string">"provider"</span>: provider}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> doc = {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"name"</span>: name,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"ssn"</span>: ssn,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"bloodType"</span>: blood_type,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"medicalRecords"</span>: medical_records,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"insurance"</span>: insurance,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> collection.<span class="lg-highlight-title lg-highlight-function">insert_one</span>(doc)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">medical_record = [{<span class="lg-highlight-string">"weight"</span>: <span class="lg-highlight-number">180</span>, <span class="lg-highlight-string">"bloodPressure"</span>: <span class="lg-highlight-string">"120/80"</span>}]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-function">insert_patient</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> secureClient.<span class="lg-highlight-property">medicalRecords</span>.<span class="lg-highlight-property">patients</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"Jon Doe"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-number">241014209</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"AB+"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> medical_record,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-number">123142</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"MaestCare"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-obh8q1">
<div class="lg-ui-select-menu-0000 leafygreen-ui-17aj16e" data-lgid="lg-select-button_text">
Node.js
</div>
</div>
<svg alt="" aria-hidden="true" class="leafygreen-ui-fn50nl" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M8.67903 10.7962C8.45271 11.0679 8.04729 11.0679 7.82097 10.7962L4.63962 6.97649C4.3213 6.59428 4.5824 6 5.06866 6L11.4313 6C11.9176 6 12.1787 6.59428 11.8604 6.97649L8.67903 10.7962Z" fill="currentColor">
</path>
</svg>
</div>
</button>
<div aria-live="polite" aria-relevant="all" class="leafygreen-ui-11ydt2g" data-lgid="lg-form_field-feedback" data-testid="lg-form_field-feedback">
</div>
</div>
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<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</svg>
</div>
</button>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
When you insert a document, your CSFLE-enabled client
encrypts the fields of your document such that it resembles the following:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n \"_id\": { \"$oid\": \"<_id of your document>\" },\n \"name\": \"Jon Doe\",\n \"ssn\": {\n \"$binary\": \"<cipher-text>\",\n \"$type\": \"6\"\n },\n \"bloodType\": {\n \"$binary\": \"<cipher-text>\",\n \"$type\": \"6\"\n },\n \"medicalRecords\": {\n \"$binary\": \"<cipher-text>\",\n \"$type\": \"6\"\n },\n \"insurance\": {\n \"provider\": \"MaestCare\",\n \"policyNumber\": {\n \"$binary\": \"<cipher-text>\",\n \"$type\": \"6\"\n }\n }\n}\n","programmingLanguage":"JSON"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light json leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"_id"</span><span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span> <span class="lg-highlight-attr">"$oid"</span><span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-string">"<_id of your document>"</span> <span class="lg-highlight-punctuation">}</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"name"</span><span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-string">"Jon Doe"</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"ssn"</span><span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"$binary"</span><span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-string">"<cipher-text>"</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"$type"</span><span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-string">"6"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">}</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"bloodType"</span><span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"$binary"</span><span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-string">"<cipher-text>"</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"$type"</span><span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-string">"6"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">}</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"medicalRecords"</span><span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"$binary"</span><span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-string">"<cipher-text>"</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"$type"</span><span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-string">"6"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">}</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"insurance"</span><span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"provider"</span><span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-string">"MaestCare"</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"policyNumber"</span><span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"$binary"</span><span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-string">"<cipher-text>"</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">"$type"</span><span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-string">"6"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">}</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">}</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-punctuation">}</span></td></tr></tbody></table></code></pre>
</div>
</div>
</div>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See: Complete Code
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<div aria-hidden="true">
</div>
<div class="leafygreen-ui-f2qztv" data-lgid="lg-tabs">
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<div aria-label="Tabs to describe usage of drivers" aria-orientation="horizontal" class="leafygreen-ui-m8p1vb lg-ui-tab-list-0000" data-lgid="lg-tabs-tab_list" role="tablist">
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C#
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Java (Sync)
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Node.js
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Python
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To view the complete code for inserting a document with encrypted fields, see
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To view the complete code for inserting a document with encrypted fields, see
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To view the complete code for inserting a document with encrypted fields, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://github.com/mongodb/docs/tree/master/source/includes/generated/in-use-encryption/csfle/java/aws/reader/src/main/java/com/mongodb/csfle/InsertEncryptedDocument.java" rel="noopener noreferrer">
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To view the complete code for inserting a document with encrypted fields, see
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To view the complete code for inserting a document with encrypted fields, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://github.com/mongodb/docs/tree/master/source/includes/generated/in-use-encryption/csfle/python/aws/reader/insert_encrypted_document.py" rel="noopener noreferrer">
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our Github repository
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5
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<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Retrieve Your Document with Encrypted Fields
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<p class="leafygreen-ui-1kp3ins">
Retrieve the document with encrypted fields you inserted in the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-csfle-aws-insert" target="_self">
<span>
Insert a Document with Encrypted Fields
</span>
</a>
step of this guide.
</p>
<p class="leafygreen-ui-1kp3ins">
To show the functionality of CSFLE, the following code snippet queries for
your document with a client configured for automatic CSFLE as well as
a client that is not configured for automatic CSFLE.
</p>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"Console.WriteLine(\"Finding a document with regular (non-encrypted) client.\");\nvar filter = Builders<bsondocument>.Filter.Eq(\"name\", \"Jon Doe\");\nvar regularResult = regularCollection.Find(filter).Limit(1).ToList()[0];\nConsole.WriteLine($\"\\n{regularResult}\\n\");\n\nConsole.WriteLine(\"Finding a document with encrypted client\");\nvar ssnFilter = Builders<bsondocument>.Filter.Eq(\"name\", \"Jon Doe\");\nvar secureResult = secureCollection.Find(ssnFilter).Limit(1).First();\nConsole.WriteLine($\"\\n{secureResult}\\n\");","programmingLanguage":"C#"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">Console</span>.<span class="lg-highlight-title lg-highlight-class">WriteLine</span>(<span class="lg-highlight-string">"Finding a document with regular (non-encrypted) client."</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> filter = <span class="lg-highlight-title lg-highlight-class">Builders</span><<span class="lg-highlight-title lg-highlight-class">BsonDocument</span>>.<span class="lg-highlight-property">Filter</span>.<span class="lg-highlight-title lg-highlight-class">Eq</span>(<span class="lg-highlight-string">"name"</span>, <span class="lg-highlight-string">"Jon Doe"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> regularResult = regularCollection.<span class="lg-highlight-title lg-highlight-class">Find</span>(filter).<span class="lg-highlight-title lg-highlight-class">Limit</span>(<span class="lg-highlight-number">1</span>).<span class="lg-highlight-title lg-highlight-class">ToList</span>()[<span class="lg-highlight-number">0</span>];</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">Console</span>.<span class="lg-highlight-title lg-highlight-class">WriteLine</span>($<span class="lg-highlight-string">"</span><span class="lg-highlight-string">\n</span><span class="lg-highlight-string">{regularResult}</span><span class="lg-highlight-string">\n</span><span class="lg-highlight-string">"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">Console</span>.<span class="lg-highlight-title lg-highlight-class">WriteLine</span>(<span class="lg-highlight-string">"Finding a document with encrypted client"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> ssnFilter = <span class="lg-highlight-title lg-highlight-class">Builders</span><<span class="lg-highlight-title lg-highlight-class">BsonDocument</span>>.<span class="lg-highlight-property">Filter</span>.<span class="lg-highlight-title lg-highlight-class">Eq</span>(<span class="lg-highlight-string">"name"</span>, <span class="lg-highlight-string">"Jon Doe"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> secureResult = secureCollection.<span class="lg-highlight-title lg-highlight-class">Find</span>(ssnFilter).<span class="lg-highlight-title lg-highlight-class">Limit</span>(<span class="lg-highlight-number">1</span>).<span class="lg-highlight-title lg-highlight-class">First</span>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">Console</span>.<span class="lg-highlight-title lg-highlight-class">WriteLine</span>($<span class="lg-highlight-string">"</span><span class="lg-highlight-string">\n</span><span class="lg-highlight-string">{secureResult}</span><span class="lg-highlight-string">\n</span><span class="lg-highlight-string">"</span>);</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">fmt.<span class="lg-highlight-title lg-highlight-class">Println</span>(<span class="lg-highlight-string">"Finding a document with regular (non-encrypted) client."</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> resultRegular bson.<span class="lg-highlight-property">M</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">err = regularClient.<span class="lg-highlight-title lg-highlight-class">Database</span>(dbName).<span class="lg-highlight-title lg-highlight-class">Collection</span>(collName).<span class="lg-highlight-title lg-highlight-class">FindOne</span>(context.<span class="lg-highlight-title lg-highlight-function">TODO</span>(), bson.<span class="lg-highlight-property">D</span>{{<span class="lg-highlight-string">"name"</span>, <span class="lg-highlight-string">"Jon Doe"</span>}}).<span class="lg-highlight-title lg-highlight-class">Decode</span>(&resultRegular)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">if</span> err != nil {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">panic</span>(err)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx">outputRegular<!-- -->, <!-- -->err := json.<span class="lg-highlight-title lg-highlight-class">MarshalIndent</span>(resultRegular, <span class="lg-highlight-string">""</span>, <span class="lg-highlight-string">" "</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">if</span> err != nil {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">panic</span>(err)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx">fmt.<span class="lg-highlight-title lg-highlight-class">Printf</span>(<span class="lg-highlight-string">"%s</span><span class="lg-highlight-string">\n</span><span class="lg-highlight-string">"</span>, outputRegular)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">fmt.<span class="lg-highlight-title lg-highlight-class">Println</span>(<span class="lg-highlight-string">"Finding a document with encrypted client"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> resultSecure bson.<span class="lg-highlight-property">M</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">err = secureClient.<span class="lg-highlight-title lg-highlight-class">Database</span>(dbName).<span class="lg-highlight-title lg-highlight-class">Collection</span>(collName).<span class="lg-highlight-title lg-highlight-class">FindOne</span>(context.<span class="lg-highlight-title lg-highlight-function">TODO</span>(), bson.<span class="lg-highlight-property">D</span>{{<span class="lg-highlight-string">"name"</span>, <span class="lg-highlight-string">"Jon Doe"</span>}}).<span class="lg-highlight-title lg-highlight-class">Decode</span>(&resultSecure)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">if</span> err != nil {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">panic</span>(err)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx">outputSecure<!-- -->, <!-- -->err := json.<span class="lg-highlight-title lg-highlight-class">MarshalIndent</span>(resultSecure, <span class="lg-highlight-string">""</span>, <span class="lg-highlight-string">" "</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">if</span> err != nil {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">panic</span>(err)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx">fmt.<span class="lg-highlight-title lg-highlight-class">Printf</span>(<span class="lg-highlight-string">"%s</span><span class="lg-highlight-string">\n</span><span class="lg-highlight-string">"</span>, outputSecure)</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">System</span>.<span class="lg-highlight-property">out</span>.<span class="lg-highlight-title lg-highlight-function">println</span>(<span class="lg-highlight-string">"Finding a document with regular (non-encrypted) client."</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">Document</span> docRegular = mongoClientRegular.<span class="lg-highlight-title lg-highlight-function">getDatabase</span>(recordsDb).<span class="lg-highlight-title lg-highlight-function">getCollection</span>(recordsColl).<span class="lg-highlight-title lg-highlight-function">find</span>(<span class="lg-highlight-title lg-highlight-function">eq</span>(<span class="lg-highlight-string">"name"</span>, <span class="lg-highlight-string">"Jon Doe"</span>)).<span class="lg-highlight-title lg-highlight-function">first</span>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">System</span>.<span class="lg-highlight-property">out</span>.<span class="lg-highlight-title lg-highlight-function">println</span>(docRegular.<span class="lg-highlight-title lg-highlight-function">toJson</span>());</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">System</span>.<span class="lg-highlight-property">out</span>.<span class="lg-highlight-title lg-highlight-function">println</span>(<span class="lg-highlight-string">"Finding a document with encrypted client"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">Document</span> docSecure = mongoClientSecure.<span class="lg-highlight-title lg-highlight-function">getDatabase</span>(recordsDb).<span class="lg-highlight-title lg-highlight-function">getCollection</span>(recordsColl).<span class="lg-highlight-title lg-highlight-function">find</span>(<span class="lg-highlight-title lg-highlight-function">eq</span>(<span class="lg-highlight-string">"name"</span>, <span class="lg-highlight-string">"Jon Doe"</span>)).<span class="lg-highlight-title lg-highlight-function">first</span>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">System</span>.<span class="lg-highlight-property">out</span>.<span class="lg-highlight-title lg-highlight-function">println</span>(docSecure.<span class="lg-highlight-title lg-highlight-function">toJson</span>());</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-variable lg-highlight-language">console</span>.<span class="lg-highlight-title lg-highlight-function">log</span>(<span class="lg-highlight-string">"Finding a document with regular (non-encrypted) client."</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-variable lg-highlight-language">console</span>.<span class="lg-highlight-title lg-highlight-function">log</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">await</span> regularClient.<span class="lg-highlight-title lg-highlight-function">db</span>(<!-- -->db).<span class="lg-highlight-title lg-highlight-function">collection</span>(<!-- -->coll).<span class="lg-highlight-title lg-highlight-function">findOne</span>(<!-- -->{ <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-regexp">/Jon/</span> <!-- -->})</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-variable lg-highlight-language">console</span>.<span class="lg-highlight-title lg-highlight-function">log</span>(<span class="lg-highlight-string">"Finding a document with encrypted client"</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-variable lg-highlight-language">console</span>.<span class="lg-highlight-title lg-highlight-function">log</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">await</span> secureClient.<span class="lg-highlight-title lg-highlight-function">db</span>(<!-- -->db).<span class="lg-highlight-title lg-highlight-function">collection</span>(<!-- -->coll).<span class="lg-highlight-title lg-highlight-function">findOne</span>(<!-- -->{ <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-regexp">/Jon/</span> <!-- -->})</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)<!-- -->;</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-function">print</span>(<span class="lg-highlight-string">"Finding a document with regular (non-encrypted) client."</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">result = regularClient.<span class="lg-highlight-property">medicalRecords</span>.<span class="lg-highlight-property">patients</span>.<span class="lg-highlight-title lg-highlight-function">find_one</span>({<span class="lg-highlight-string">"name"</span>: <span class="lg-highlight-string">"Jon Doe"</span>})</td></tr><tr class=""><td class="leafygreen-ui-7razhx">pprint.<span class="lg-highlight-title lg-highlight-function">pprint</span>(result)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-function">print</span>(<span class="lg-highlight-string">"Finding a document with encrypted client"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">pprint.<span class="lg-highlight-title lg-highlight-function">pprint</span>(secureClient.<span class="lg-highlight-property">medicalRecords</span>.<span class="lg-highlight-property">patients</span>.<span class="lg-highlight-title lg-highlight-function">find_one</span>({<span class="lg-highlight-string">"name"</span>: <span class="lg-highlight-string">"Jon Doe"</span>}))</td></tr></tbody></table></code></pre>
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<p class="leafygreen-ui-1kp3ins">
The output of the preceding code snippet should look like this:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"Finding a document with regular (non-encrypted) client.\n\n{\n _id: new ObjectId(\"629a452e0861b3130887103a\"),\n name: 'Jon Doe',\n ssn: new Binary(Buffer.from(\"0217482732d8014cdd9ffdd6e2966e5e7910c20697e5f4fa95710aafc9153f0a3dc769c8a132a604b468732ff1f4d8349ded3244b59cbfb41444a210f28b21ea1b6c737508d9d30e8baa30c1d8070c4d5e26\", \"hex\"), 6),\n bloodType: new Binary(Buffer.from(\"0217482732d8014cdd9ffdd6e2966e5e79022e238536dfd8caadb4d7751ac940e0f195addd7e5c67b61022d02faa90283ab69e02303c7e4001d1996128428bf037dea8bbf59fbb20c583cbcff2bf3e2519b4\", \"hex\"), 6),\n 'key-id': 'demo-data-key',\n medicalRecords: new Binary(Buffer.from(\"0217482732d8014cdd9ffdd6e2966e5e790405163a3207cff175455106f57eef14e5610c49a99bcbd14a7db9c5284e45e3ee30c149354015f941440bf54725d6492fb3b8704bc7c411cff6c868e4e13c58233c3d5ed9593eca4e4d027d76d3705b6d1f3b3c9e2ceee195fd944b553eb27eee69e5e67c338f146f8445995664980bf0\", \"hex\"), 6),\n insurance: {\n policyNumber: new Binary(Buffer.from(\"0217482732d8014cdd9ffdd6e2966e5e79108decd85c05be3fec099e015f9d26d9234605dc959cc1a19b63072f7ffda99db38c7b487de0572a03b2139ac3ee163bcc40c8508f366ce92a5dd36e38b3c742f7\", \"hex\"), 6),\n provider: 'MaestCare'\n }\n}\n\nFinding a document with encrypted client\n\n{\n _id: new ObjectId(\"629a452e0861b3130887103a\"),\n name: 'Jon Doe',\n ssn: 241014209,\n bloodType: 'AB+',\n 'key-id': 'demo-data-key',\n medicalRecords: [ { weight: 180, bloodPressure: '120/80' } ],\n insurance: { policyNumber: 123142, provider: 'MaestCare' }\n}\n","programmingLanguage":"JSON"}
</script>
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<pre class="leafygreen-ui-1453az5" tabindex="0"><code class="lg-highlight-hljs-light json leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">Finding a document with regular (non-encrypted) client.</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> _id<span class="lg-highlight-punctuation">:</span> new ObjectId(<span class="lg-highlight-string">"629a452e0861b3130887103a"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> name<span class="lg-highlight-punctuation">:</span> 'Jon Doe'<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ssn<span class="lg-highlight-punctuation">:</span> new Binary(Buffer.from(<span class="lg-highlight-string">"0217482732d8014cdd9ffdd6e2966e5e7910c20697e5f4fa95710aafc9153f0a3dc769c8a132a604b468732ff1f4d8349ded3244b59cbfb41444a210f28b21ea1b6c737508d9d30e8baa30c1d8070c4d5e26"</span><span class="lg-highlight-punctuation">,</span> <span class="lg-highlight-string">"hex"</span>)<span class="lg-highlight-punctuation">,</span> <span class="lg-highlight-number">6</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bloodType<span class="lg-highlight-punctuation">:</span> new Binary(Buffer.from(<span class="lg-highlight-string">"0217482732d8014cdd9ffdd6e2966e5e79022e238536dfd8caadb4d7751ac940e0f195addd7e5c67b61022d02faa90283ab69e02303c7e4001d1996128428bf037dea8bbf59fbb20c583cbcff2bf3e2519b4"</span><span class="lg-highlight-punctuation">,</span> <span class="lg-highlight-string">"hex"</span>)<span class="lg-highlight-punctuation">,</span> <span class="lg-highlight-number">6</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> 'key-id'<span class="lg-highlight-punctuation">:</span> 'demo-data-key'<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> medicalRecords<span class="lg-highlight-punctuation">:</span> new Binary(Buffer.from(<span class="lg-highlight-string">"0217482732d8014cdd9ffdd6e2966e5e790405163a3207cff175455106f57eef14e5610c49a99bcbd14a7db9c5284e45e3ee30c149354015f941440bf54725d6492fb3b8704bc7c411cff6c868e4e13c58233c3d5ed9593eca4e4d027d76d3705b6d1f3b3c9e2ceee195fd944b553eb27eee69e5e67c338f146f8445995664980bf0"</span><span class="lg-highlight-punctuation">,</span> <span class="lg-highlight-string">"hex"</span>)<span class="lg-highlight-punctuation">,</span> <span class="lg-highlight-number">6</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> insurance<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> policyNumber<span class="lg-highlight-punctuation">:</span> new Binary(Buffer.from(<span class="lg-highlight-string">"0217482732d8014cdd9ffdd6e2966e5e79108decd85c05be3fec099e015f9d26d9234605dc959cc1a19b63072f7ffda99db38c7b487de0572a03b2139ac3ee163bcc40c8508f366ce92a5dd36e38b3c742f7"</span><span class="lg-highlight-punctuation">,</span> <span class="lg-highlight-string">"hex"</span>)<span class="lg-highlight-punctuation">,</span> <span class="lg-highlight-number">6</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> provider<span class="lg-highlight-punctuation">:</span> 'MaestCare'</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-punctuation">}</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-punctuation">}</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">Finding a document with encrypted client</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-punctuation">{</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> _id<span class="lg-highlight-punctuation">:</span> new ObjectId(<span class="lg-highlight-string">"629a452e0861b3130887103a"</span>)<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> name<span class="lg-highlight-punctuation">:</span> 'Jon Doe'<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ssn<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-number">241014209</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bloodType<span class="lg-highlight-punctuation">:</span> 'AB+'<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> 'key-id'<span class="lg-highlight-punctuation">:</span> 'demo-data-key'<span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> medicalRecords<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">[</span> <span class="lg-highlight-punctuation">{</span> weight<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-number">180</span><span class="lg-highlight-punctuation">,</span> bloodPressure<span class="lg-highlight-punctuation">:</span> '<span class="lg-highlight-number">120</span>/<span class="lg-highlight-number">80</span>' <span class="lg-highlight-punctuation">}</span> <span class="lg-highlight-punctuation">]</span><span class="lg-highlight-punctuation">,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> insurance<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-punctuation">{</span> policyNumber<span class="lg-highlight-punctuation">:</span> <span class="lg-highlight-number">123142</span><span class="lg-highlight-punctuation">,</span> provider<span class="lg-highlight-punctuation">:</span> 'MaestCare' <span class="lg-highlight-punctuation">}</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-punctuation">}</span></td></tr></tbody></table></code></pre>
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<h2 class="leafygreen-ui-1fn4p2b">
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<h3 class="leafygreen-ui-144d5kf">
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Node.js
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Python
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To view the complete code for finding a document with encrypted fields, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://github.com/mongodb/docs/tree/master/source/includes/generated/in-use-encryption/csfle/dotnet/aws/reader/CSFLE/InsertEncryptedDocument.cs" rel="noopener noreferrer">
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our Github repository
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To view the complete code for finding a document with encrypted fields, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://github.com/mongodb/docs/tree/master/source/includes/generated/in-use-encryption/csfle/go/aws/reader/insert-encrypted-document.go" rel="noopener noreferrer">
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our Github repository
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<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
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<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
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<p class="leafygreen-ui-1kp3ins">
To view the complete code for finding a document with encrypted fields, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://github.com/mongodb/docs/tree/master/source/includes/generated/in-use-encryption/csfle/java/aws/reader/src/main/java/com/mongodb/csfle/InsertEncryptedDocument.java" rel="noopener noreferrer">
<span>
our Github repository
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.
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
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<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
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To view the complete code for finding a document with encrypted fields, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://github.com/mongodb/docs/tree/master/source/includes/generated/in-use-encryption/csfle/node/aws/reader/insert_encrypted_document.js" rel="noopener noreferrer">
<span>
our Github repository
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.
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<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
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<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
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To view the complete code for finding a document with encrypted fields, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://github.com/mongodb/docs/tree/master/source/includes/generated/in-use-encryption/csfle/python/aws/reader/insert_encrypted_document.py" rel="noopener noreferrer">
<span>
our Github repository
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.
</span>
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<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
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<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
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</div>
</div>
</section>
</div>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Learn More
<a class="headerlink leafygreen-ui-1kepx47" href="#learn-more" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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<div class="css-1btu0w3 evvkmar0" id="learn-more">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
To learn how CSFLE works, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/csfle/fundamentals/#std-label-csfle-fundamentals">
Fundamentals
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
To learn more about the topics mentioned in this guide, see the
following links:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Learn more about CSFLE components on the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/csfle/reference/#std-label-csfle-reference">
Reference
</a>
page.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Learn how Customer Master Keys and Data Encryption Keys work on the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/queryable-encryption/fundamentals/keys-key-vaults/#std-label-qe-reference-keys-key-vaults">
Encryption Keys and Key Vaults
</a>
page
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
See how KMS Providers manage your CSFLE keys on the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/queryable-encryption/fundamentals/kms-providers/#std-label-qe-fundamentals-kms-providers">
KMS Providers
</a>
page.
</p>
</li>
</ul>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/method/sp.processor.drop/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
sp.processor.drop()
<a class="headerlink leafygreen-ui-1kepx47" href="#sp.processor.drop--" title="Permalink to this heading">
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<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="sp.processor.drop--">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
<span>
Definition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#syntax" target="_self">
<span>
Syntax
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#command-fields" target="_self">
<span>
Command Fields
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#behavior" target="_self">
<span>
Behavior
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#access-control" target="_self">
<span>
Access Control
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#example" target="_self">
<span>
Example
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#learn-more" target="_self">
<span>
Learn More
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Definition
<a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="definition">
</div>
</a>
</h2>
<dl class="method">
<dt>
<code class="leafygreen-ui-1l06pbn">
sp.processor.drop()
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-method-sp.processor.drop" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-method-sp.processor.drop">
</div>
</a>
</dt>
<dd>
</dd>
</dl>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
7.0
</em>
:
<!-- -->
Deletes a named
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/atlas-sp/overview/#mongodb-expression-exp.Stream-Processor" target="_self">
<span>
Stream Processor
</span>
</a>
from
the current
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/atlas-sp/overview/#mongodb-expression-exp.Stream-Processing-Instance" target="_self">
<span>
Stream Processing Instance
<!-- -->
.
</span>
</a>
</p>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Syntax
<a class="headerlink leafygreen-ui-1kepx47" href="#syntax" title="Permalink to this heading">
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</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="syntax">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-sp.processor.drop" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
sp.processor.drop()
</code>
</span>
</a>
method has the following
syntax:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sp.processor.drop()","programmingLanguage":"JSON"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light json leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sp.processor.drop()</td></tr></tbody></table></code></pre>
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</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Command Fields
<a class="headerlink leafygreen-ui-1kepx47" href="#command-fields" title="Permalink to this heading">
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</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="command-fields">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
sp.processor.drop()
</code>
takes no fields.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Behavior
<a class="headerlink leafygreen-ui-1kepx47" href="#behavior" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="behavior">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
sp.processor.drop()
</code>
deletes the given named stream processor
from the current stream processing instance. If you invoke this
command on a currently running stream processor, it stops that
processor before deleting it.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Access Control
<a class="headerlink leafygreen-ui-1kepx47" href="#access-control" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="access-control">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The user running
<code class="leafygreen-ui-1l06pbn">
sp.processor.drop()
</code>
must have the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/mongodb-users-roles-and-privileges/#mongodb-atlasrole-atlasAdmin" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
atlasAdmin
</code>
</span>
</a>
role.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Example
<a class="headerlink leafygreen-ui-1kepx47" href="#example" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="example">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The following example stops a stream processor named
<code class="leafygreen-ui-1l06pbn">
solarDemo
</code>
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sp.solarDemo.drop()"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sp.solarDemo.drop()</td></tr></tbody></table></code></pre>
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<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Learn More
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<div class="css-1btu0w3 evvkmar0" id="learn-more">
</div>
</a>
</h2>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/atlas-sp/manage-stream-processor/" target="_self">
<span>
Manage Stream Processors
</span>
</a>
</p>
</li>
</ul>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/command/replSetInitiate/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
replSetInitiate
<a class="headerlink leafygreen-ui-1kepx47" href="#replsetinitiate" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="replsetinitiate">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
<span>
Definition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#compatibility" target="_self">
<span>
Compatibility
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#syntax" target="_self">
<span>
Syntax
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#ip-binding" target="_self">
<span>
IP Binding
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#example" target="_self">
<span>
Example
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Definition
<a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="definition">
</div>
</a>
</h2>
<dl class="dbcommand">
<dt>
<code class="leafygreen-ui-1l06pbn">
replSetInitiate
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-dbcommand-dbcmd.replSetInitiate" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-dbcommand-dbcmd.replSetInitiate">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-dbcommand-dbcmd.replSetInitiate" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
replSetInitiate
</code>
</span>
</a>
command initializes a new replica set.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
In
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#std-program-mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
, this command can also be run through the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.initiate/#mongodb-method-rs.initiate">
<code class="leafygreen-ui-1l06pbn">
rs.initiate()
</code>
</a>
helper method
<!-- -->
.
</p>
<p class="leafygreen-ui-1kp3ins">
Helper methods are convenient for
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#std-program-mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
users, but they may not
return the same level of information as database commands. In cases where
the convenience is not needed or the additional return fields are required,
use the database command.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
To run
<code class="leafygreen-ui-1l06pbn">
replSetInitiate
</code>
, use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.runCommand/#mongodb-method-db.runCommand">
<code class="leafygreen-ui-1l06pbn">
db.runCommand( { <command> } )
</code>
</a>
method.
</p>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Run the command on only one of the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instances
for the replica set.
</p>
</div>
</div>
</dd>
</dl>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Compatibility
<a class="headerlink leafygreen-ui-1kepx47" href="#compatibility" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="compatibility">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
This command is available in deployments hosted in the following environments:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas?tck=docs_server" target="_self">
<span>
MongoDB Atlas
</span>
</a>
: The fully
managed service for MongoDB deployments in the cloud
</p>
</li>
</ul>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
This command is not supported in M0, M2, M5, and M10+ clusters.
For more information, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas/unsupported-commands/" target="_self">
<span>
Unsupported Commands
<!-- -->
.
</span>
</a>
</p>
</div>
</div>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-enterprise/#std-label-install-mdb-enterprise">
MongoDB Enterprise
</a>
: The
subscription-based, self-managed version of MongoDB
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-community/#std-label-install-mdb-community-edition">
MongoDB Community
</a>
: The
source-available, free-to-use, and self-managed version of MongoDB
</p>
</li>
</ul>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Syntax
<a class="headerlink leafygreen-ui-1kepx47" href="#syntax" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="syntax">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The command has the following syntax:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.runCommand(\n {\n replSetInitiate : <config_document>\n }\n)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">runCommand</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->replSetInitiate <!-- -->: <<!-- -->config_document<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The
<code class="leafygreen-ui-1l06pbn">
<config_document>
</code>
is a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-document">
document
</a>
that specifies
the replica set's configuration. For instance, here's a config document
for creating a simple 3-member replica set:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n _id : <setname>,\n members : [\n {_id : 0, host : <host0>},\n {_id : 1, host : <host1>},\n {_id : 2, host : <host2>},\n ]\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->_id <!-- -->: <<!-- -->setname<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->members <!-- -->: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{<!-- -->_id <!-- -->: <span class="lg-highlight-number">0</span>, <!-- -->host <!-- -->: <<!-- -->host0<!-- -->><!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{<!-- -->_id <!-- -->: <span class="lg-highlight-number">1</span>, <!-- -->host <!-- -->: <<!-- -->host1<!-- -->><!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{<!-- -->_id <!-- -->: <span class="lg-highlight-number">2</span>, <!-- -->host <!-- -->: <<!-- -->host2<!-- -->><!-- -->}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
To avoid configuration updates due to IP address changes, use DNS
hostnames instead of IP addresses. It is particularly important to
use a DNS hostname instead of an IP address when configuring replica
set members or sharded cluster members.
</p>
<p class="leafygreen-ui-1kp3ins">
Use hostnames instead of IP addresses to configure clusters across a
split network horizon. Starting in MongoDB 5.0, nodes that are only
configured with an IP address fail startup validation and do not start.
</p>
</div>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
IP Binding
<a class="headerlink leafygreen-ui-1kepx47" href="#ip-binding" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="ip-binding">
</div>
</a>
</h2>
<div class="leafygreen-ui-1sjx7ru" role="note">
<h2 class="leafygreen-ui-29m78u">
Warning
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Before you bind your instance to a publicly-accessible IP address,
you must secure your cluster from unauthorized access. For a complete
list of security recommendations, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/security-checklist/#std-label-security-checklist">
Security Checklist for Self-Managed Deployments
</a>
. At minimum, consider
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/security-checklist/#std-label-checklist-auth">
enabling authentication
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/security-hardening/#std-label-network-config-hardening">
hardening
network infrastructure
<!-- -->
.
</a>
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
MongoDB binaries,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
, bind
to localhost by default. If the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.ipv6">
<code class="leafygreen-ui-1l06pbn">
net.ipv6
</code>
</a>
configuration file
setting or the
<code class="leafygreen-ui-1l06pbn">
--ipv6
</code>
command line option is set for the binary,
the binary additionally binds to the localhost IPv6 address.
</p>
<p class="leafygreen-ui-1kp3ins">
By default
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
that are
bound to localhost only accept connections from clients that are
running on the same computer. This binding behavior includes
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
and other members of your replica set or sharded
cluster. Remote clients cannot connect to binaries that are bound only
to localhost.
</p>
<p class="leafygreen-ui-1kp3ins">
To override the default binding and bind to other IP addresses, use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/configuration-options/#mongodb-setting-net.bindIp">
<code class="leafygreen-ui-1l06pbn">
net.bindIp
</code>
</a>
configuration file setting or the
<code class="leafygreen-ui-1l06pbn">
--bind_ip
</code>
command-line option to specify a list of hostnames or IP addresses.
</p>
<div class="leafygreen-ui-1sjx7ru" role="note">
<h2 class="leafygreen-ui-29m78u">
Warning
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Starting in MongDB 5.0,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://en.wikipedia.org/wiki/Split-horizon_DNS" rel="noopener noreferrer">
<span>
split horizon DNS
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
nodes that are
only configured with an IP address fail startup validation and
report an error. See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.disableSplitHorizonIPCheck">
<code class="leafygreen-ui-1l06pbn">
disableSplitHorizonIPCheck
</code>
.
</a>
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
For example, the following
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
instance binds to both
the localhost and the hostname
<code class="leafygreen-ui-1l06pbn">
My-Example-Associated-Hostname
</code>
, which is
associated with the IP address
<code class="leafygreen-ui-1l06pbn">
198.51.100.1
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
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<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongod --bind_ip localhost,My-Example-Associated-Hostname</td></tr></tbody></table></code></pre>
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</div>
<p class="leafygreen-ui-1kp3ins">
In order to connect to this instance, remote clients must specify
the hostname or its associated IP address
<code class="leafygreen-ui-1l06pbn">
198.51.100.1
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"mongosh --host My-Example-Associated-Hostname\n\nmongosh --host 198.51.100.1"}
</script>
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<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">mongosh --host My-Example-Associated-Hostname</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">mongosh --host 198.51.100.1</td></tr></tbody></table></code></pre>
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</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Example
<a class="headerlink leafygreen-ui-1kepx47" href="#example" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="example">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Assign a config document to a variable and then to pass the document to
the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.initiate/#mongodb-method-rs.initiate">
<code class="leafygreen-ui-1l06pbn">
rs.initiate()
</code>
</a>
helper:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"config = {\n _id : \"my_replica_set\",\n members : [\n {_id : 0, host : \"rs1.example.net:27017\"},\n {_id : 1, host : \"rs2.example.net:27017\"},\n {_id : 2, host : \"rs3.example.net\", arbiterOnly: true},\n ]\n}\n\nrs.initiate(config)","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">config <!-- -->= <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->_id <!-- -->: <span class="lg-highlight-string">"my_replica_set"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->members <!-- -->: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{<!-- -->_id <!-- -->: <span class="lg-highlight-number">0</span>, <!-- -->host <!-- -->: <span class="lg-highlight-string">"rs1.example.net:27017"</span>}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{<!-- -->_id <!-- -->: <span class="lg-highlight-number">1</span>, <!-- -->host <!-- -->: <span class="lg-highlight-string">"rs2.example.net:27017"</span>}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{<!-- -->_id <!-- -->: <span class="lg-highlight-number">2</span>, <!-- -->host <!-- -->: <span class="lg-highlight-string">"rs3.example.net"</span>, <span class="lg-highlight-attr">arbiterOnly</span>: <span class="lg-highlight-literal">true</span>}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">rs.<span class="lg-highlight-title lg-highlight-function">initiate</span>(<!-- -->config)</td></tr></tbody></table></code></pre>
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</div>
</div>
</div>
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
To avoid configuration updates due to IP address changes, use DNS
hostnames instead of IP addresses. It is particularly important to
use a DNS hostname instead of an IP address when configuring replica
set members or sharded cluster members.
</p>
<p class="leafygreen-ui-1kp3ins">
Use hostnames instead of IP addresses to configure clusters across a
split network horizon. Starting in MongoDB 5.0, nodes that are only
configured with an IP address fail startup validation and do not start.
</p>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Notice that omitting the port cause the host to use the default port
of 27017. Notice also that you can specify other options in the config
documents such as the
<code class="leafygreen-ui-1l06pbn">
arbiterOnly
</code>
setting in this example.
</p>
<div class="leafygreen-ui-13vw3ie" role="note">
<h2 class="leafygreen-ui-1fn4p2b">
Tip
</h2>
<h3 class="leafygreen-ui-144d5kf">
<strong>
See also:
</strong>
</h3>
<div class="leafygreen-ui-9mycqc">
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-configuration/">
Self-Managed Replica Set Configuration
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/replica-set-deployment/">
Self-Managed Replica Set Deployment Tutorials
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/rs.reconfig/#std-label-replica-set-reconfiguration-usage">
Replica Set Reconfiguration
</a>
</p>
</li>
</ul>
</div>
</div>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/operator/aggregation/filter/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
$filter (aggregation)
<a class="headerlink leafygreen-ui-1kepx47" href="#-filter--aggregation-" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="-filter--aggregation-">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
<span>
Definition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#compatibility" target="_self">
<span>
Compatibility
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#syntax" target="_self">
<span>
Syntax
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#behavior" target="_self">
<span>
Behavior
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#examples" target="_self">
<span>
Examples
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#filter-based-on-number-comparison" target="_self">
<span>
Filter Based on Number Comparison
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#use-the-limit-field" target="_self">
<span>
Use the limit Field
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#limit-greater-than-possible-matches" target="_self">
<span>
limit Greater than Possible Matches
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#filter-based-on-string-equality-match" target="_self">
<span>
Filter Based on String Equality Match
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-x9koo9" href="#filter-based-on-regular-expression-match" target="_self">
<span>
Filter Based on Regular Expression Match
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Definition
<a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="definition">
</div>
</a>
</h2>
<dl class="expression">
<dt>
<code class="leafygreen-ui-1l06pbn">
$filter
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-expression-exp.-filter" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-expression-exp.-filter">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Selects a subset of an array to return based on the specified
condition. Returns an array with only those elements that match the
condition. The returned elements are in the original order.
</p>
</dd>
</dl>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Compatibility
<a class="headerlink leafygreen-ui-1kepx47" href="#compatibility" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="compatibility">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
You can use
<code class="leafygreen-ui-1l06pbn">
$filter
</code>
for deployments hosted in the following
environments:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/atlas?tck=docs_server" target="_self">
<span>
MongoDB Atlas
</span>
</a>
: The fully
managed service for MongoDB deployments in the cloud
</p>
</li>
</ul>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-enterprise/#std-label-install-mdb-enterprise">
MongoDB Enterprise
</a>
: The
subscription-based, self-managed version of MongoDB
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/administration/install-community/#std-label-install-mdb-community-edition">
MongoDB Community
</a>
: The
source-available, free-to-use, and self-managed version of MongoDB
</p>
</li>
</ul>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Syntax
<a class="headerlink leafygreen-ui-1kepx47" href="#syntax" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="syntax">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-expression-exp.-filter" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$filter
</code>
</span>
</a>
has the following syntax:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n $filter:\n {\n input: <array>,\n as: <string>,\n cond: <expression>,\n limit: <number>\n }\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$filter</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">input</span>: <<!-- -->array<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">as</span>: <<!-- -->string<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">cond</span>: <<!-- -->expression<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">limit</span>: <span class="lg-highlight-tag lg-highlight-xml"><</span><span class="lg-highlight-name lg-highlight-tag lg-highlight-xml">number</span><span class="lg-highlight-tag lg-highlight-xml"> </span><span class="lg-highlight-attr lg-highlight-tag lg-highlight-xml">expression</span><span class="lg-highlight-tag lg-highlight-xml">></span><span class="lg-highlight-xml"></span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-xml"> }</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-xml">}</span></td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:80%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Field
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Specification
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
input
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
An
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/#std-label-aggregation-expressions">
expression
</a>
that resolves to
an array.
</p>
<p class="leafygreen-ui-1kp3ins">
If
<code class="leafygreen-ui-1l06pbn">
input
</code>
resolves to
<code class="leafygreen-ui-1l06pbn">
null
</code>
or refers to a missing field,
<code class="leafygreen-ui-1l06pbn">
$filter
</code>
returns
<code class="leafygreen-ui-1l06pbn">
null
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
If
<code class="leafygreen-ui-1l06pbn">
input
</code>
resolves to a non-array, non-null value, the pipeline
errors.
</p>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
as
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Optional. A name for the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/aggregation-variables/">
variable
</a>
that represents each
individual element of the
<code class="leafygreen-ui-1l06pbn">
input
</code>
array. If no name is
specified, the variable name defaults to
<code class="leafygreen-ui-1l06pbn">
this
</code>
.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
cond
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
An
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/#std-label-aggregation-expressions">
expression
</a>
that resolves
to a boolean value used to determine if an element should be
included in the output array. The expression references each
element of the
<code class="leafygreen-ui-1l06pbn">
input
</code>
array individually with the variable
name specified in
<code class="leafygreen-ui-1l06pbn">
as
</code>
.
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
limit
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Optional. A number expression that restricts the number of matching
array elements that
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-expression-exp.-filter" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$filter
</code>
</span>
</a>
returns. You cannot
specify a limit less than
<code class="leafygreen-ui-1l06pbn">
1
</code>
. The matching array elements are
returned in the order they appear in the input array.
</p>
<p class="leafygreen-ui-1kp3ins">
If the specified
<code class="leafygreen-ui-1l06pbn">
limit
</code>
is greater than the number of matching
array elements,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-expression-exp.-filter" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$filter
</code>
</span>
</a>
returns all matching array
elements. If the limit is
<code class="leafygreen-ui-1l06pbn">
null
</code>
,
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-expression-exp.-filter" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
$filter
</code>
</span>
</a>
returns
all matching array elements.
</p>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<p class="leafygreen-ui-1kp3ins">
For more information on expressions, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/#std-label-aggregation-expressions">
Expression Operators
<!-- -->
.
</a>
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Behavior
<a class="headerlink leafygreen-ui-1kepx47" href="#behavior" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="behavior">
</div>
</a>
</h2>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Example
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Results
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n $filter: {\n input: [ 1, \"a\", 2, null, 3.1, NumberLong(4), \"5\" ],\n as: \"num\",\n cond: { $isNumber: \"$$num\" }\n }\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-tyg50d">
<pre class="leafygreen-ui-1453az5" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$filter</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">input</span>: <!-- -->[ <span class="lg-highlight-number">1</span>, <span class="lg-highlight-string">"a"</span>, <span class="lg-highlight-number">2</span>, <span class="lg-highlight-literal">null</span>, <span class="lg-highlight-number">3.1</span>, <span class="lg-highlight-title lg-highlight-class">NumberLong</span>(<span class="lg-highlight-number">4</span>)<!-- -->, <span class="lg-highlight-string">"5"</span> ]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">as</span>: <span class="lg-highlight-string">"num"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">cond</span>: <!-- -->{ <span class="lg-highlight-attr">$isNumber</span>: <span class="lg-highlight-string">"$$num"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
[ 1, 2, 3.1, NumberLong(4) ]
</code>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n $filter: {\n input: [ 1, \"a\", 2, null, 3.1, NumberLong(4), \"5\" ],\n as: \"num\",\n cond: { $isNumber: \"$$num\" },\n limit: 2\n }\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-tyg50d">
<pre class="leafygreen-ui-1453az5" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$filter</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">input</span>: <!-- -->[ <span class="lg-highlight-number">1</span>, <span class="lg-highlight-string">"a"</span>, <span class="lg-highlight-number">2</span>, <span class="lg-highlight-literal">null</span>, <span class="lg-highlight-number">3.1</span>, <span class="lg-highlight-title lg-highlight-class">NumberLong</span>(<span class="lg-highlight-number">4</span>)<!-- -->, <span class="lg-highlight-string">"5"</span> ]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">as</span>: <span class="lg-highlight-string">"num"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">cond</span>: <!-- -->{ <span class="lg-highlight-attr">$isNumber</span>: <span class="lg-highlight-string">"$$num"</span> }<!-- -->,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">limit</span>: <span class="lg-highlight-number">2</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
[ 1, 2 ]
</code>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n $filter: {\n input: [ 1, \"a\", 2, null, 3.1, NumberLong(4), \"5\" ],\n as: \"num\",\n cond: { $isNumber: \"$$num\" },\n limit: { $add: [ 0, 1 ] }\n }\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-tyg50d">
<pre class="leafygreen-ui-1453az5" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$filter</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">input</span>: <!-- -->[ <span class="lg-highlight-number">1</span>, <span class="lg-highlight-string">"a"</span>, <span class="lg-highlight-number">2</span>, <span class="lg-highlight-literal">null</span>, <span class="lg-highlight-number">3.1</span>, <span class="lg-highlight-title lg-highlight-class">NumberLong</span>(<span class="lg-highlight-number">4</span>)<!-- -->, <span class="lg-highlight-string">"5"</span> ]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">as</span>: <span class="lg-highlight-string">"num"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">cond</span>: <!-- -->{ <span class="lg-highlight-attr">$isNumber</span>: <span class="lg-highlight-string">"$$num"</span> }<!-- -->,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">limit</span>: <!-- -->{ <span class="lg-highlight-attr">$add</span>: <!-- -->[ <span class="lg-highlight-number">0</span>, <span class="lg-highlight-number">1</span> ] }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
[ 1 ]
</code>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Examples
<a class="headerlink leafygreen-ui-1kepx47" href="#examples" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="examples">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
A collection
<code class="leafygreen-ui-1l06pbn">
sales
</code>
has the following documents:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.sales.insertMany( [\n {\n _id: 0,\n items: [\n { item_id: 43, quantity: 2, price: 10, name: \"pen\" },\n { item_id: 2, quantity: 1, price: 240, name: \"briefcase\" }\n ]\n },\n {\n _id: 1,\n items: [\n { item_id: 23, quantity: 3, price: 110, name: \"notebook\" },\n { item_id: 103, quantity: 4, price: 5, name: \"pen\" },\n { item_id: 38, quantity: 1, price: 300, name: \"printer\" }\n ]\n },\n {\n _id: 2,\n items: [\n { item_id: 4, quantity: 1, price: 23, name: \"paper\" }\n ]\n }\n] )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">sales</span>.<span class="lg-highlight-title lg-highlight-function">insertMany</span>( <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">0</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">items</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">item_id</span>: <span class="lg-highlight-number">43</span>, <span class="lg-highlight-attr">quantity</span>: <span class="lg-highlight-number">2</span>, <span class="lg-highlight-attr">price</span>: <span class="lg-highlight-number">10</span>, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">"pen"</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">item_id</span>: <span class="lg-highlight-number">2</span>, <span class="lg-highlight-attr">quantity</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">price</span>: <span class="lg-highlight-number">240</span>, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">"briefcase"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">items</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">item_id</span>: <span class="lg-highlight-number">23</span>, <span class="lg-highlight-attr">quantity</span>: <span class="lg-highlight-number">3</span>, <span class="lg-highlight-attr">price</span>: <span class="lg-highlight-number">110</span>, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">"notebook"</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">item_id</span>: <span class="lg-highlight-number">103</span>, <span class="lg-highlight-attr">quantity</span>: <span class="lg-highlight-number">4</span>, <span class="lg-highlight-attr">price</span>: <span class="lg-highlight-number">5</span>, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">"pen"</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">item_id</span>: <span class="lg-highlight-number">38</span>, <span class="lg-highlight-attr">quantity</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">price</span>: <span class="lg-highlight-number">300</span>, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">"printer"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">2</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">items</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">item_id</span>: <span class="lg-highlight-number">4</span>, <span class="lg-highlight-attr">quantity</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">price</span>: <span class="lg-highlight-number">23</span>, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">"paper"</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">] )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
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</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Filter Based on Number Comparison
<a class="headerlink leafygreen-ui-1kepx47" href="#filter-based-on-number-comparison" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="filter-based-on-number-comparison">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The following example filters the
<code class="leafygreen-ui-1l06pbn">
items
</code>
array to only include
documents that have a
<code class="leafygreen-ui-1l06pbn">
price
</code>
greater than or equal to
<code class="leafygreen-ui-1l06pbn">
100
</code>
:
</p>
<div class="css-1f5771r">
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.sales.aggregate( [\n {\n $project: {\n items: {\n $filter: {\n input: \"$items\",\n as: \"item\",\n cond: { $gte: [ \"$$item.price\", 100 ] }\n }\n }\n }\n }\n] )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">sales</span>.<span class="lg-highlight-title lg-highlight-function">aggregate</span>( <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$project</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">items</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$filter</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">input</span>: <span class="lg-highlight-string">"$items"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">as</span>: <span class="lg-highlight-string">"item"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">cond</span>: <!-- -->{ <span class="lg-highlight-attr">$gte</span>: <!-- -->[ <span class="lg-highlight-string">"$$item.price"</span>, <span class="lg-highlight-number">100</span> ] }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">] )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</div>
</button>
</div>
</div>
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</div>
<div class="css-9st569 efa38qy0" style="--border-color:#E8EDEB">
<button aria-disabled="false" class="lg-ui-button-0000 leafygreen-ui-hix6y6" data-lgid="lg-button" role="button" type="button">
<div class="leafygreen-ui-v038xi">
</div>
<div class="leafygreen-ui-16tr4y">
<svg alt="" aria-hidden="true" class="leafygreen-ui-hjnzs9" fill="none" height="16" role="presentation" viewbox="0 0 16 16" width="16" xmlns="http://www.w3.org/2000/svg">
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</path>
</svg>
HIDE OUTPUT
</div>
</button>
</div>
<div class="leafygreen-ui-1oteowz">
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"[\n {\n _id: 0,\n items: [ { item_id: 2, quantity: 1, price: 240, name: 'briefcase' } ]\n },\n {\n _id: 1,\n items: [\n { item_id: 23, quantity: 3, price: 110, name: 'notebook' },\n { item_id: 38, quantity: 1, price: 300, name: 'printer' }\n ]\n },\n { _id: 2, items: [] }\n]","programmingLanguage":"JavaScript"}
</script>
<div class="css-1sax7hu e11q6jfk0" style="--code-container-border:initial;--code-pre-border:none">
<div class="leafygreen-ui-1fyvhqe">
<div class="leafygreen-ui-1ij019s">
<pre class="leafygreen-ui-12cejcz" tabindex="0"><code class="lg-highlight-hljs-dark javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">0</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">items</span>: <!-- -->[ <!-- -->{ <span class="lg-highlight-attr">item_id</span>: <span class="lg-highlight-number">2</span>, <span class="lg-highlight-attr">quantity</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">price</span>: <span class="lg-highlight-number">240</span>, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">'briefcase'</span> } ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">items</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">item_id</span>: <span class="lg-highlight-number">23</span>, <span class="lg-highlight-attr">quantity</span>: <span class="lg-highlight-number">3</span>, <span class="lg-highlight-attr">price</span>: <span class="lg-highlight-number">110</span>, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">'notebook'</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">item_id</span>: <span class="lg-highlight-number">38</span>, <span class="lg-highlight-attr">quantity</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">price</span>: <span class="lg-highlight-number">300</span>, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">'printer'</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">2</span>, <span class="lg-highlight-attr">items</span>: <!-- -->[<!-- -->] }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">]</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Use the limit Field
<a class="headerlink leafygreen-ui-1kepx47" href="#use-the-limit-field" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="use-the-limit-field">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
This example uses the
<code class="leafygreen-ui-1l06pbn">
sales
</code>
collection from the previous example.
</p>
<p class="leafygreen-ui-1kp3ins">
The example uses the
<code class="leafygreen-ui-1l06pbn">
limit
</code>
field to specify the number of matching
elements returned in each
<code class="leafygreen-ui-1l06pbn">
items
</code>
array.
</p>
<div class="css-1f5771r">
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.sales.aggregate( [\n {\n $project: {\n items: {\n $filter: {\n input: \"$items\",\n as: \"item\",\n cond: { $gte: [ \"$$item.price\", 100 ] },\n limit: 1\n }\n }\n }\n }\n] )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">sales</span>.<span class="lg-highlight-title lg-highlight-function">aggregate</span>( <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$project</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">items</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$filter</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">input</span>: <span class="lg-highlight-string">"$items"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">as</span>: <span class="lg-highlight-string">"item"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">cond</span>: <!-- -->{ <span class="lg-highlight-attr">$gte</span>: <!-- -->[ <span class="lg-highlight-string">"$$item.price"</span>, <span class="lg-highlight-number">100</span> ] }<!-- -->,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">limit</span>: <span class="lg-highlight-number">1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">] )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
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</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<div class="css-9st569 efa38qy0" style="--border-color:#E8EDEB">
<button aria-disabled="false" class="lg-ui-button-0000 leafygreen-ui-hix6y6" data-lgid="lg-button" role="button" type="button">
<div class="leafygreen-ui-v038xi">
</div>
<div class="leafygreen-ui-16tr4y">
<svg alt="" aria-hidden="true" class="leafygreen-ui-hjnzs9" fill="none" height="16" role="presentation" viewbox="0 0 16 16" width="16" xmlns="http://www.w3.org/2000/svg">
<path clip-rule="evenodd" d="M14.364 10.778a1 1 0 0 0 0-1.414l-4.95-4.95-.707-.707a1 1 0 0 0-1.414 0l-.707.707-4.95 4.95a1 1 0 0 0 0 1.414l.707.707a1 1 0 0 0 1.414 0L8 7.243l4.243 4.242a1 1 0 0 0 1.414 0l.707-.707Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
HIDE OUTPUT
</div>
</button>
</div>
<div class="leafygreen-ui-1oteowz">
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"[\n {\n _id: 0,\n items: [ { item_id: 2, quantity: 1, price: 240, name: 'briefcase' } ]\n },\n {\n _id: 1,\n items: [ { item_id: 23, quantity: 3, price: 110, name: 'notebook' } ]\n },\n { _id: 2, items: [] }\n]","programmingLanguage":"JavaScript"}
</script>
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<div class="leafygreen-ui-1ij019s">
<pre class="leafygreen-ui-12cejcz" tabindex="0"><code class="lg-highlight-hljs-dark javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">0</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">items</span>: <!-- -->[ <!-- -->{ <span class="lg-highlight-attr">item_id</span>: <span class="lg-highlight-number">2</span>, <span class="lg-highlight-attr">quantity</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">price</span>: <span class="lg-highlight-number">240</span>, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">'briefcase'</span> } ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">items</span>: <!-- -->[ <!-- -->{ <span class="lg-highlight-attr">item_id</span>: <span class="lg-highlight-number">23</span>, <span class="lg-highlight-attr">quantity</span>: <span class="lg-highlight-number">3</span>, <span class="lg-highlight-attr">price</span>: <span class="lg-highlight-number">110</span>, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">'notebook'</span> } ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">2</span>, <span class="lg-highlight-attr">items</span>: <!-- -->[<!-- -->] }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">]</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
limit Greater than Possible Matches
<a class="headerlink leafygreen-ui-1kepx47" href="#limit-greater-than-possible-matches" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="limit-greater-than-possible-matches">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
This example uses the
<code class="leafygreen-ui-1l06pbn">
sales
</code>
collection from the previous example.
</p>
<p class="leafygreen-ui-1kp3ins">
The example uses a
<code class="leafygreen-ui-1l06pbn">
limit
</code>
field value that is larger than the
possible number of matching elements that can be returned. In this case,
<code class="leafygreen-ui-1l06pbn">
limit
</code>
does not affect the query results and returns all documents
matching the
<code class="leafygreen-ui-1l06pbn">
$gte
</code>
filter criteria.
</p>
<div class="css-1f5771r">
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.sales.aggregate( [\n {\n $project: {\n items: {\n $filter: {\n input: \"$items\",\n as: \"item\",\n cond: { $gte: [ \"$$item.price\", 100] },\n limit: 5\n }\n }\n }\n }\n] )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">sales</span>.<span class="lg-highlight-title lg-highlight-function">aggregate</span>( <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$project</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">items</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$filter</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">input</span>: <span class="lg-highlight-string">"$items"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">as</span>: <span class="lg-highlight-string">"item"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">cond</span>: <!-- -->{ <span class="lg-highlight-attr">$gte</span>: <!-- -->[ <span class="lg-highlight-string">"$$item.price"</span>, <span class="lg-highlight-number">100</span>] }<!-- -->,</td></tr><tr class="leafygreen-ui-1wr1lm6"><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">limit</span>: <span class="lg-highlight-number">5</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">] )</td></tr></tbody></table></code></pre>
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</div>
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</path>
</svg>
HIDE OUTPUT
</div>
</button>
</div>
<div class="leafygreen-ui-1oteowz">
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"[\n {\n _id: 0,\n items: [ { item_id: 2, quantity: 1, price: 240, name: 'briefcase' } ]\n },\n {\n _id: 1,\n items: [\n { item_id: 23, quantity: 3, price: 110, name: 'notebook' },\n { item_id: 38, quantity: 1, price: 300, name: 'printer' }\n ]\n },\n { _id: 2, items: [] }\n]","programmingLanguage":"JavaScript"}
</script>
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<pre class="leafygreen-ui-12cejcz" tabindex="0"><code class="lg-highlight-hljs-dark javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">0</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">items</span>: <!-- -->[ <!-- -->{ <span class="lg-highlight-attr">item_id</span>: <span class="lg-highlight-number">2</span>, <span class="lg-highlight-attr">quantity</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">price</span>: <span class="lg-highlight-number">240</span>, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">'briefcase'</span> } ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">items</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">item_id</span>: <span class="lg-highlight-number">23</span>, <span class="lg-highlight-attr">quantity</span>: <span class="lg-highlight-number">3</span>, <span class="lg-highlight-attr">price</span>: <span class="lg-highlight-number">110</span>, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">'notebook'</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">item_id</span>: <span class="lg-highlight-number">38</span>, <span class="lg-highlight-attr">quantity</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">price</span>: <span class="lg-highlight-number">300</span>, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">'printer'</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">2</span>, <span class="lg-highlight-attr">items</span>: <!-- -->[<!-- -->] }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">]</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Filter Based on String Equality Match
<a class="headerlink leafygreen-ui-1kepx47" href="#filter-based-on-string-equality-match" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="filter-based-on-string-equality-match">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
This example uses the
<code class="leafygreen-ui-1l06pbn">
sales
</code>
collection from the previous example.
</p>
<p class="leafygreen-ui-1kp3ins">
The following aggregation filters for
<code class="leafygreen-ui-1l06pbn">
items
</code>
that have a
<code class="leafygreen-ui-1l06pbn">
name
</code>
value of
<code class="leafygreen-ui-1l06pbn">
pen
</code>
.
</p>
<div class="css-1f5771r">
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.sales.aggregate( [\n {\n $project: {\n items: {\n $filter: {\n input: \"$items\",\n as: \"item\",\n cond: { $eq: [ \"$$item.name\", \"pen\"] }\n }\n }\n }\n }\n] )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">sales</span>.<span class="lg-highlight-title lg-highlight-function">aggregate</span>( <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$project</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">items</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$filter</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">input</span>: <span class="lg-highlight-string">"$items"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">as</span>: <span class="lg-highlight-string">"item"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">cond</span>: <!-- -->{ <span class="lg-highlight-attr">$eq</span>: <!-- -->[ <span class="lg-highlight-string">"$$item.name"</span>, <span class="lg-highlight-string">"pen"</span>] }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">] )</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"[\n {\n _id: 0,\n items: [ { item_id: 43, quantity: 2, price: 10, name: 'pen' } ]\n },\n {\n _id: 1,\n items: [ { item_id: 103, quantity: 4, price: 5, name: 'pen' } ]\n },\n { _id: 2, items: [] }\n]","programmingLanguage":"JavaScript"}
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<pre class="leafygreen-ui-12cejcz" tabindex="0"><code class="lg-highlight-hljs-dark javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">0</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">items</span>: <!-- -->[ <!-- -->{ <span class="lg-highlight-attr">item_id</span>: <span class="lg-highlight-number">43</span>, <span class="lg-highlight-attr">quantity</span>: <span class="lg-highlight-number">2</span>, <span class="lg-highlight-attr">price</span>: <span class="lg-highlight-number">10</span>, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">'pen'</span> } ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">items</span>: <!-- -->[ <!-- -->{ <span class="lg-highlight-attr">item_id</span>: <span class="lg-highlight-number">103</span>, <span class="lg-highlight-attr">quantity</span>: <span class="lg-highlight-number">4</span>, <span class="lg-highlight-attr">price</span>: <span class="lg-highlight-number">5</span>, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">'pen'</span> } ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">2</span>, <span class="lg-highlight-attr">items</span>: <!-- -->[<!-- -->] }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">]</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Filter Based on Regular Expression Match
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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</svg>
<div class="css-1btu0w3 evvkmar0" id="filter-based-on-regular-expression-match">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
This example uses the
<code class="leafygreen-ui-1l06pbn">
sales
</code>
collection from the previous example.
</p>
<p class="leafygreen-ui-1kp3ins">
The following aggregation uses
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/regexMatch/#mongodb-expression-exp.-regexMatch">
<code class="leafygreen-ui-1l06pbn">
$regexMatch
</code>
</a>
to filter for
<code class="leafygreen-ui-1l06pbn">
items
</code>
that have a
<code class="leafygreen-ui-1l06pbn">
name
</code>
value that starts with
<code class="leafygreen-ui-1l06pbn">
p
</code>
:
</p>
<div class="css-1f5771r">
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.sales.aggregate( [\n {\n $project: {\n items: {\n $filter: {\n input: \"$items\",\n as: \"item\",\n cond: {\n $regexMatch: { input: \"$$item.name\", regex: /^p/ }\n }\n }\n }\n }\n }\n] )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-11itue3" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-property">sales</span>.<span class="lg-highlight-title lg-highlight-function">aggregate</span>( <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$project</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">items</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$filter</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">input</span>: <span class="lg-highlight-string">"$items"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">as</span>: <span class="lg-highlight-string">"item"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">cond</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">$regexMatch</span>: <!-- -->{ <span class="lg-highlight-attr">input</span>: <span class="lg-highlight-string">"$$item.name"</span>, <span class="lg-highlight-attr">regex</span>: <span class="lg-highlight-regexp">/^p/</span> <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">] )</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"[\n {\n _id: 0,\n items: [ { item_id: 43, quantity: 2, price: 10, name: 'pen' } ]\n },\n {\n _id: 1,\n items: [\n { item_id: 103, quantity: 4, price: 5, name: 'pen' },\n { item_id: 38, quantity: 1, price: 300, name: 'printer' }\n ]\n },\n {\n _id: 2,\n items: [ { item_id: 4, quantity: 1, price: 23, name: 'paper' } ]\n }\n]","programmingLanguage":"JavaScript"}
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<pre class="leafygreen-ui-12cejcz" tabindex="0"><code class="lg-highlight-hljs-dark javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">0</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">items</span>: <!-- -->[ <!-- -->{ <span class="lg-highlight-attr">item_id</span>: <span class="lg-highlight-number">43</span>, <span class="lg-highlight-attr">quantity</span>: <span class="lg-highlight-number">2</span>, <span class="lg-highlight-attr">price</span>: <span class="lg-highlight-number">10</span>, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">'pen'</span> } ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">1</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">items</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">item_id</span>: <span class="lg-highlight-number">103</span>, <span class="lg-highlight-attr">quantity</span>: <span class="lg-highlight-number">4</span>, <span class="lg-highlight-attr">price</span>: <span class="lg-highlight-number">5</span>, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">'pen'</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">item_id</span>: <span class="lg-highlight-number">38</span>, <span class="lg-highlight-attr">quantity</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">price</span>: <span class="lg-highlight-number">300</span>, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">'printer'</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-number">2</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">items</span>: <!-- -->[ <!-- -->{ <span class="lg-highlight-attr">item_id</span>: <span class="lg-highlight-number">4</span>, <span class="lg-highlight-attr">quantity</span>: <span class="lg-highlight-number">1</span>, <span class="lg-highlight-attr">price</span>: <span class="lg-highlight-number">23</span>, <span class="lg-highlight-attr">name</span>: <span class="lg-highlight-string">'paper'</span> } ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">]</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</div>
</div>
</section>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/method/db.getUsers/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
db.getUsers()
<a class="headerlink leafygreen-ui-1kepx47" href="#db.getusers--" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="db.getusers--">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#definition" target="_self">
<span>
Definition
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#required-access" target="_self">
<span>
Required Access
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#examples" target="_self">
<span>
Examples
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Definition
<a class="headerlink leafygreen-ui-1kepx47" href="#definition" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="definition">
</div>
</a>
</h2>
<dl class="method">
<dt>
<code class="leafygreen-ui-1l06pbn">
db.getUsers(<options>)
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-method-db.getUsers" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-method-db.getUsers">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Returns information for all the users in the database.
</p>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.getUsers" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.getUsers()
</code>
</span>
</a>
wraps the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/usersInfo/#mongodb-dbcommand-dbcmd.usersInfo">
<code class="leafygreen-ui-1l06pbn">
usersInfo: 1
</code>
</a>
command.
</p>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.getUsers" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.getUsers()
</code>
</span>
</a>
method can take the following options:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.getUsers( {\n showCredentials: <boolean>,\n showCustomData: <boolean>,\n filter: <document>\n} )"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light none leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.getUsers( {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> showCredentials: <Boolean>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> showCustomData: <Boolean>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> filter: <document></td></tr><tr class=""><td class="leafygreen-ui-7razhx">} )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
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</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:20%"/>
<col style="width:80%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Field
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Type
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
showCredentials
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
boolean
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Optional. Set to
<code class="leafygreen-ui-1l06pbn">
true
</code>
to display the user's password
hash.
</p>
<p class="leafygreen-ui-1kp3ins">
By default, this field is
<code class="leafygreen-ui-1l06pbn">
false
</code>
.
</p>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
showCustomData
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
boolean
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<p class="leafygreen-ui-1kp3ins">
Optional. Set to
<code class="leafygreen-ui-1l06pbn">
false
</code>
to omit the user's
<code class="leafygreen-ui-1l06pbn">
customData
</code>
from the output.
</p>
<p class="leafygreen-ui-1kp3ins">
By default, this field is
<code class="leafygreen-ui-1l06pbn">
true
</code>
.
</p>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.2
</em>
.
</p>
</div>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<code class="leafygreen-ui-1l06pbn">
filter
</code>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
document
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
Optional. A document that specifies
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/operator/aggregation/match/#mongodb-pipeline-pipe.-match">
<code class="leafygreen-ui-1l06pbn">
$match
</code>
</a>
stage
conditions to return information for users that match the
filter conditions.
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<p class="leafygreen-ui-1kp3ins">
For more information, see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/usersInfo/#mongodb-dbcommand-dbcmd.usersInfo">
<code class="leafygreen-ui-1l06pbn">
usersInfo
</code>
.
</a>
</p>
</dd>
</dl>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Required Access
<a class="headerlink leafygreen-ui-1kepx47" href="#required-access" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="required-access">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
To view another user's information, you must have the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#mongodb-authaction-viewUser">
<code class="leafygreen-ui-1l06pbn">
viewUser
</code>
</a>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/privilege-actions/#std-label-security-user-actions">
action
</a>
on the
other user's database.
</p>
<p class="leafygreen-ui-1kp3ins">
Users can view their own information.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Examples
<a class="headerlink leafygreen-ui-1kepx47" href="#examples" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="examples">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
View All Users for a Database that Match the Specified Filter
<a class="headerlink leafygreen-ui-1kepx47" href="#view-all-users-for-a-database-that-match-the-specified-filter" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="view-all-users-for-a-database-that-match-the-specified-filter">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.getUsers" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.getUsers()
</code>
</span>
</a>
method can accept a
<code class="leafygreen-ui-1l06pbn">
filter
</code>
document
to return information for users that match the filter condition.
</p>
<p class="leafygreen-ui-1kp3ins">
To view all users for the current database who have
<code class="leafygreen-ui-1l06pbn">
SCRAM-SHA-256
</code>
credentials:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.getUsers({ filter: { mechanisms: \"SCRAM-SHA-256\" } })","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">getUsers</span>(<!-- -->{ <span class="lg-highlight-attr">filter</span>: <!-- -->{ <span class="lg-highlight-attr">mechanisms</span>: <span class="lg-highlight-string">"SCRAM-SHA-256"</span> } })</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
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</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
When viewing all users, you can specify the
<code class="leafygreen-ui-1l06pbn">
showCredentials
</code>
option
but not the
<code class="leafygreen-ui-1l06pbn">
showPrivileges
</code>
or the
<code class="leafygreen-ui-1l06pbn">
showAuthenticationRestrictions
</code>
options.
</p>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Omit Custom Data from Output
<a class="headerlink leafygreen-ui-1kepx47" href="#omit-custom-data-from-output" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="omit-custom-data-from-output">
</div>
</a>
</h3>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
5.2
</em>
:
<!-- -->
To omit users' custom data from the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/db.getUsers/#mongodb-method-db.getUsers">
<code class="leafygreen-ui-1l06pbn">
db.getUsers()
</code>
</a>
output,
set the
<code class="leafygreen-ui-1l06pbn">
showCustomData
</code>
option to
<code class="leafygreen-ui-1l06pbn">
false
</code>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
Use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/createUser/#mongodb-dbcommand-dbcmd.createUser">
<code class="leafygreen-ui-1l06pbn">
createUser
</code>
</a>
command to create a user named
<code class="leafygreen-ui-1l06pbn">
accountAdmin01
</code>
on the
<code class="leafygreen-ui-1l06pbn">
products
</code>
database:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.getSiblingDB(\"products\").runCommand( {\n createUser: \"accountAdmin01\",\n pwd: passwordPrompt(),\n customData: { employeeId: 12345 },\n roles: [ { role: 'readWrite', db: 'products' } ]\n} )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">getSiblingDB</span>(<span class="lg-highlight-string">"products"</span>).<span class="lg-highlight-title lg-highlight-function">runCommand</span>( <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">createUser</span>: <span class="lg-highlight-string">"accountAdmin01"</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">pwd</span>: <span class="lg-highlight-title lg-highlight-function">passwordPrompt</span>(<!-- -->)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">customData</span>: <!-- -->{ <span class="lg-highlight-attr">employeeId</span>: <span class="lg-highlight-number">12345</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">roles</span>: <!-- -->[ <!-- -->{ <span class="lg-highlight-attr">role</span>: <span class="lg-highlight-string">'readWrite'</span>, <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">'products'</span> } ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx">} )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The user contains a
<code class="leafygreen-ui-1l06pbn">
customData
</code>
field of
<code class="leafygreen-ui-1l06pbn">
{ employeeId: 12345 }
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
To retrieve the user but omit the custom data from the output, run
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.getUsers" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.getUsers()
</code>
</span>
</a>
with
<code class="leafygreen-ui-1l06pbn">
showCustomData
</code>
set to
<code class="leafygreen-ui-1l06pbn">
false
</code>
:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.getSiblingDB(\"products\").getUsers( { showCustomData: false } )","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1b1bvay">
<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">getSiblingDB</span>(<span class="lg-highlight-string">"products"</span>).<span class="lg-highlight-title lg-highlight-function">getUsers</span>( <!-- -->{ <span class="lg-highlight-attr">showCustomData</span>: <span class="lg-highlight-literal">false</span> } )</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
Example output:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"{\n users: [\n {\n _id: 'products.accountAdmin01',\n userId: UUID(\"0955afc1-303c-4683-a029-8e17dd5501f4\"),\n user: 'accountAdmin01',\n db: 'products',\n roles: [ { role: 'readWrite', db: 'products' } ],\n mechanisms: [ 'SCRAM-SHA-1', 'SCRAM-SHA-256' ]\n }\n ],\n ok: 1\n}","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-1jheeh3">
<pre class="leafygreen-ui-1453az5" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">users</span>: <!-- -->[</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">_id</span>: <span class="lg-highlight-string">'products.accountAdmin01'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">userId</span>: <span class="lg-highlight-title lg-highlight-function">UUID</span>(<span class="lg-highlight-string">"0955afc1-303c-4683-a029-8e17dd5501f4"</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">user</span>: <span class="lg-highlight-string">'accountAdmin01'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">'products'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">roles</span>: <!-- -->[ <!-- -->{ <span class="lg-highlight-attr">role</span>: <span class="lg-highlight-string">'readWrite'</span>, <span class="lg-highlight-attr">db</span>: <span class="lg-highlight-string">'products'</span> } ]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">mechanisms</span>: <!-- -->[ <span class="lg-highlight-string">'SCRAM-SHA-1'</span>, <span class="lg-highlight-string">'SCRAM-SHA-256'</span> ]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ]<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">ok</span>: <span class="lg-highlight-number">1</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</section>
</section>
</section>
|
https://www.mongodb.com/docs/manual/reference/method/db.shutdownServer/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
db.shutdownServer()
<a class="headerlink leafygreen-ui-1kepx47" href="#db.shutdownserver--" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="db.shutdownserver--">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#behavior" target="_self">
<span>
Behavior
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#access-control" target="_self">
<span>
Access Control
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#examples" target="_self">
<span>
Examples
</span>
</a>
</li>
</ul>
</div>
<div>
<p>
<em>
Changed
<!-- -->
in version
<!-- -->
5.0
</em>
.
</p>
</div>
<dl class="method">
<dt>
<code class="leafygreen-ui-1l06pbn">
db.shutdownServer()
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#mongodb-method-db.shutdownServer" title="Permalink to this definition">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongodb-method-db.shutdownServer">
</div>
</a>
</dt>
<dd>
<p class="leafygreen-ui-1kp3ins">
Shuts down the current
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
process cleanly and safely. You must issue the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.shutdownServer" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.shutdownServer()
</code>
</span>
</a>
operation against the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-admin-database">
admin database
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.shutdownServer" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.shutdownServer()
</code>
</span>
</a>
has this syntax:
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.shutdownServer({\n force: <boolean>,\n timeoutSecs: <int>\n})","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-yzcs8i">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">shutdownServer</span>(<!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">force</span>: <<!-- -->boolean<!-- -->><!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">timeoutSecs</span>: <<!-- -->int<!-- -->></td></tr><tr class=""><td class="leafygreen-ui-7razhx">})</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
<button aria-disabled="false" aria-label="Copy" class="leafygreen-ui-1c6zwke" data-testid="code_copy-button" tabindex="0">
<div class="leafygreen-ui-xhlipt">
<svg aria-label="Copy Icon" class="leafygreen-ui-1st74h4" height="16" role="img" viewbox="0 0 16 16" width="16">
<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
</path>
</svg>
</div>
</button>
</div>
</div>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The method takes these fields:
</p>
<div class="leafygreen-ui-skkc39" tabindex="0">
<table class="leafygreen-ui-hr8lsv">
<colgroup>
<col style="width:20%"/>
<col style="width:80%"/>
</colgroup>
<thead class="leafygreen-ui-a9ho40">
<tr data-testid="leafygreen-ui-header-row">
<th class="leafygreen-ui-1trtg6r" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Field
</div>
</div>
</th>
<th class="leafygreen-ui-13uteka" role="columnheader" scope="col">
<div class="leafygreen-ui-ui0te9">
<div>
Description
</div>
</div>
</th>
</tr>
</thead>
<tbody>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-shutdownServer-method-force" target="_self">
<span>
force
</span>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-shutdownServer-method-force">
</span>
<p class="leafygreen-ui-1kp3ins">
Optional. Specify
<code class="leafygreen-ui-1l06pbn">
true
</code>
to force the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
to shut down. Force shutdown
interrupts any ongoing operations on the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
and may result in unexpected
behavior.
</p>
<p class="leafygreen-ui-1kp3ins">
You can pause and resume in-progress index builds using
<code class="leafygreen-ui-1l06pbn">
force
</code>
. See
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-method-shutdown-replica-set" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.shutdownServer()
</code>
on Replica Set Members
</span>
</a>
for more
information.
</p>
</div>
</div>
</td>
</tr>
<tr class="">
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-shutdownServer-method-timeoutSecs" target="_self">
<span>
timeoutSecs
</span>
</a>
</div>
</div>
</td>
<td class="leafygreen-ui-1drjk7h">
<div class="leafygreen-ui-1n4j8xf">
<div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-shutdownServer-method-timeoutSecs">
</span>
<p class="leafygreen-ui-1kp3ins">
Optional.
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-shutdownServer-method-quiesce-period">
</span>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 5.0,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
enter a quiesce period to allow any ongoing database operations to
complete before shutting down.
</p>
<p class="leafygreen-ui-1kp3ins">
If a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-primary">
primary
</a>
receives a shut down request,
the primary:
</p>
<ol class="leafygreen-ui-rioki0" type="1">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Attempts to step down to a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-secondary">
secondary
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
If the step down fails and a:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/shutdown/#mongodb-dbcommand-dbcmd.shutdown">
<code class="leafygreen-ui-1l06pbn">
shutdown
</code>
</a>
or
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.shutdownServer" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.shutdownServer()
</code>
</span>
</a>
command
was run,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
only continues the shut down steps
if the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-shutdownServer-method-force" target="_self">
<span>
force
</span>
</a>
field is true, or a
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
SIGTERM
</code>
signal was sent to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
always continues the shut down steps.
</p>
</li>
</ul>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Enters the quiesce period.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Ends any remaining database operations.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Shuts down.
</p>
</li>
</ol>
<p class="leafygreen-ui-1kp3ins">
For a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-secondary">
secondary
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
shut down request, the quiesce period is entered after a shut down was
requested.
</p>
<p class="leafygreen-ui-1kp3ins">
The quiesce period is specified by the:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-shutdownServer-method-timeoutSecs" target="_self">
<span>
timeoutSecs
</span>
</a>
field if a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/shutdown/#mongodb-dbcommand-dbcmd.shutdown">
<code class="leafygreen-ui-1l06pbn">
shutdown
</code>
</a>
or
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.shutdownServer" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.shutdownServer()
</code>
</span>
</a>
command was run, or
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.shutdownTimeoutMillisForSignaledShutdown">
<code class="leafygreen-ui-1l06pbn">
shutdownTimeoutMillisForSignaledShutdown
</code>
</a>
server
parameter if a
<code class="leafygreen-ui-1l06pbn">
SIGTERM
</code>
signal was sent to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
,
or
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.mongosShutdownTimeoutMillisForSignaledShutdown">
<code class="leafygreen-ui-1l06pbn">
mongosShutdownTimeoutMillisForSignaledShutdown
</code>
</a>
server
parameter if a
<code class="leafygreen-ui-1l06pbn">
SIGTERM
</code>
signal was sent to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
.
</a>
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
Clients cannot open new connections to a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
that is shutting down.
</p>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-shutdownServer-method-timeoutSecs" target="_self">
<span>
timeoutSecs
</span>
</a>
specifies a time period in seconds. The default is:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
15 seconds starting in MongoDB 5.0.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
10 seconds in MongoDB versions earlier than 5.0.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
uses
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-shutdownServer-method-timeoutSecs" target="_self">
<span>
timeoutSecs
</span>
</a>
as follows:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If the current node is the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-primary">
primary
</a>
node of a replica set,
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
waits for a period of up to the number of seconds specified
by the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-shutdownServer-method-timeoutSecs" target="_self">
<span>
timeoutSecs
</span>
</a>
field for an electable node to catch up before
stepping down the primary node. For details about the catch up time,
see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-replication-lag">
replication lag
<!-- -->
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If the current node is in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-states/#mongodb-replstate-replstate.SECONDARY">
<code class="leafygreen-ui-1l06pbn">
SECONDARY
</code>
</a>
state after
stepping down from being the primary, any remaining time specified in
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-shutdownServer-method-timeoutSecs" target="_self">
<span>
timeoutSecs
</span>
</a>
is used for a quiesce period, which allows existing
operations to complete. New operations are sent to other replica set
nodes.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 5.0,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
uses
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-shutdownServer-method-timeoutSecs" target="_self">
<span>
timeoutSecs
</span>
</a>
as a
quiesce period, which allows existing operations to complete. New
operations are sent to other
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
nodes. In MongoDB
versions earlier than 5.0,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
shuts down immediately
and does not use
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-shutdownServer-method-timeoutSecs" target="_self">
<span>
timeoutSecs
</span>
</a>
.
</p>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</dd>
</dl>
<p class="leafygreen-ui-1kp3ins">
This operation provides a wrapper around the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/shutdown/#mongodb-dbcommand-dbcmd.shutdown">
<code class="leafygreen-ui-1l06pbn">
shutdown
</code>
</a>
command.
</p>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Behavior
<a class="headerlink leafygreen-ui-1kepx47" href="#behavior" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="behavior">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
For a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
started
<em>
with
</em>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/authentication/#std-label-authentication">
Authentication on Self-Managed Deployments
</a>
, you
must run
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.shutdownServer" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.shutdownServer()
</code>
</span>
</a>
over an authenticated connection.
See
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-method-shutdown-access-control" target="_self">
<span>
Access Control
</span>
</a>
for more information.
</p>
<p class="leafygreen-ui-1kp3ins">
For a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
started
<em>
without
</em>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/authentication/#std-label-authentication">
Authentication on Self-Managed Deployments
</a>
, you
must run
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.shutdownServer" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.shutdownServer()
</code>
</span>
</a>
from a client connected to the
localhost interface. For example, run
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
with the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/reference/options/#std-option-mongosh.--host" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
--host "127.0.0.1"
</code>
</span>
</a>
option on the same host
machine as the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
.
</a>
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-method-shutdown-replica-set">
</span>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
<code class="leafygreen-ui-1l06pbn">
db.shutdownServer()
</code>
on Replica Set Members
<a class="headerlink leafygreen-ui-1kepx47" href="#db.shutdownserver---on-replica-set-members" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="db.shutdownserver---on-replica-set-members">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.shutdownServer" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.shutdownServer()
</code>
</span>
</a>
fails if the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
replica
set member is running certain operations such as
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/index-creation/#std-label-index-operations-replicated-build">
index builds
</a>
. You can specify
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-shutdownServer-method-force" target="_self">
<span>
force: true
</span>
</a>
to save index build progress to disk.
The
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
recovers the index build when it restarts
and continues from the saved checkpoint.
</p>
<section>
<h4 class="contains-headerlink leafygreen-ui-1vzlt5f">
Shutting Down the Replica Set Primary, Secondary, or
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#shutting-down-the-replica-set-primary--secondary--or-mongos" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="shutting-down-the-replica-set-primary--secondary--or-mongos">
</div>
</a>
</h4>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 5.0,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
enter a quiesce period to allow any ongoing database operations to
complete before shutting down.
</p>
<p class="leafygreen-ui-1kp3ins">
If a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-primary">
primary
</a>
receives a shut down request,
the primary:
</p>
<ol class="leafygreen-ui-rioki0" type="1">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Attempts to step down to a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-secondary">
secondary
<!-- -->
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
If the step down fails and a:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/shutdown/#mongodb-dbcommand-dbcmd.shutdown">
<code class="leafygreen-ui-1l06pbn">
shutdown
</code>
</a>
or
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.shutdownServer" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.shutdownServer()
</code>
</span>
</a>
command
was run,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
only continues the shut down steps
if the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-shutdownServer-method-force" target="_self">
<span>
force
</span>
</a>
field is true, or a
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<code class="leafygreen-ui-1l06pbn">
SIGTERM
</code>
signal was sent to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
always continues the shut down steps.
</p>
</li>
</ul>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Enters the quiesce period.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Ends any remaining database operations.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Shuts down.
</p>
</li>
</ol>
<p class="leafygreen-ui-1kp3ins">
For a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-secondary">
secondary
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
shut down request, the quiesce period is entered after a shut down was
requested.
</p>
<p class="leafygreen-ui-1kp3ins">
The quiesce period is specified by the:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-shutdownServer-method-timeoutSecs" target="_self">
<span>
timeoutSecs
</span>
</a>
field if a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/shutdown/#mongodb-dbcommand-dbcmd.shutdown">
<code class="leafygreen-ui-1l06pbn">
shutdown
</code>
</a>
or
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.shutdownServer" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.shutdownServer()
</code>
</span>
</a>
command was run, or
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.shutdownTimeoutMillisForSignaledShutdown">
<code class="leafygreen-ui-1l06pbn">
shutdownTimeoutMillisForSignaledShutdown
</code>
</a>
server
parameter if a
<code class="leafygreen-ui-1l06pbn">
SIGTERM
</code>
signal was sent to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
,
or
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.mongosShutdownTimeoutMillisForSignaledShutdown">
<code class="leafygreen-ui-1l06pbn">
mongosShutdownTimeoutMillisForSignaledShutdown
</code>
</a>
server
parameter if a
<code class="leafygreen-ui-1l06pbn">
SIGTERM
</code>
signal was sent to
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
.
</a>
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
Clients cannot open new connections to a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
or
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
that is shutting down.
</p>
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-shutdownServer-method-timeoutSecs" target="_self">
<span>
timeoutSecs
</span>
</a>
specifies a time period in seconds. The default is:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
15 seconds starting in MongoDB 5.0.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
10 seconds in MongoDB versions earlier than 5.0.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
uses
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-shutdownServer-method-timeoutSecs" target="_self">
<span>
timeoutSecs
</span>
</a>
as follows:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If the current node is the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-primary">
primary
</a>
node of a replica set,
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
waits for a period of up to the number of seconds specified
by the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-shutdownServer-method-timeoutSecs" target="_self">
<span>
timeoutSecs
</span>
</a>
field for an electable node to catch up before
stepping down the primary node. For details about the catch up time,
see
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/glossary/#std-term-replication-lag">
replication lag
<!-- -->
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
If the current node is in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/replica-states/#mongodb-replstate-replstate.SECONDARY">
<code class="leafygreen-ui-1l06pbn">
SECONDARY
</code>
</a>
state after
stepping down from being the primary, any remaining time specified in
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-shutdownServer-method-timeoutSecs" target="_self">
<span>
timeoutSecs
</span>
</a>
is used for a quiesce period, which allows existing
operations to complete. New operations are sent to other replica set
nodes.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 5.0,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
uses
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-shutdownServer-method-timeoutSecs" target="_self">
<span>
timeoutSecs
</span>
</a>
as a
quiesce period, which allows existing operations to complete. New
operations are sent to other
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
nodes. In MongoDB
versions earlier than 5.0,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongos/#mongodb-binary-bin.mongos">
<code class="leafygreen-ui-1l06pbn">
mongos
</code>
</a>
shuts down immediately
and does not use
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-shutdownServer-method-timeoutSecs" target="_self">
<span>
timeoutSecs
</span>
</a>
.
</p>
<div class="leafygreen-ui-1sjx7ru" role="note">
<h2 class="leafygreen-ui-29m78u">
Warning
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
Force shutdown of the primary can result in the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/replica-set-rollbacks/#std-label-replica-set-rollback">
rollback
</a>
of any writes not
yet replicated to a secondary.
</p>
</div>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-method-shutdown-access-control">
</span>
</section>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Access Control
<a class="headerlink leafygreen-ui-1kepx47" href="#access-control" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="access-control">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
To run
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.shutdownServer" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.shutdownServer()
</code>
</span>
</a>
on a
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/program/mongod/#mongodb-binary-bin.mongod">
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
</a>
enforcing
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/authentication/#std-label-authentication">
Authentication on Self-Managed Deployments
</a>
, the authenticated user
<em>
must
</em>
have the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#mongodb-method-db.shutdownServer" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
db.shutdownServer()
</code>
</span>
</a>
privilege. For example, a user with the
built-in role
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/built-in-roles/#mongodb-authrole-hostManager">
<code class="leafygreen-ui-1l06pbn">
hostManager
</code>
</a>
has the appropriate permissions.
</p>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Examples
<a class="headerlink leafygreen-ui-1kepx47" href="#examples" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="examples">
</div>
</a>
</h2>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Shut down a
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#shut-down-a-mongod" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="shut-down-a-mongod">
</div>
</a>
</h3>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">getSiblingDB</span>(<span class="lg-highlight-string">"admin"</span>).<span class="lg-highlight-title lg-highlight-function">shutdownServer</span>(<!-- -->)</td></tr></tbody></table></code></pre>
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</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Force Shut Down a
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#force-shut-down-a-mongod" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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<div class="css-1btu0w3 evvkmar0" id="force-shut-down-a-mongod">
</div>
</a>
</h3>
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<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">getSiblingDB</span>(<span class="lg-highlight-string">"admin"</span>).<span class="lg-highlight-title lg-highlight-function">shutdownServer</span>(<!-- -->{ <span class="lg-highlight-string">"force"</span> <!-- -->: <span class="lg-highlight-literal">true</span> })</td></tr></tbody></table></code></pre>
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<path clip-rule="evenodd" d="M1 5.71428V10.2857C1 11.2325 1.76751 12 2.71429 12H5.75V7.10957C5.75 6.54414 5.97724 6.00244 6.38065 5.60623L8.67403 3.35381C8.77447 3.25516 8.88376 3.16757 9 3.09182V2.71429C9 1.76751 8.23249 1 7.28571 1H5.8V4.42857C5.8 5.13865 5.22437 5.71428 4.51429 5.71428H1ZM9 4.78571L7.25654 6.49804C7.24689 6.50752 7.23749 6.5172 7.22834 6.52708C7.22208 6.53383 7.21594 6.54068 7.20991 6.54762C7.07504 6.70295 7 6.90234 7 7.10957V7.79762H9H10.0095C10.4829 7.79762 10.8667 7.41386 10.8667 6.94047V4H10.1505C9.92587 4 9.7102 4.0882 9.54992 4.24562L9 4.78571ZM4.86667 1H4.15053C3.92587 1 3.7102 1.0882 3.54992 1.24562L1.25654 3.49804C1.09244 3.65921 1 3.87957 1 4.10957V4.79762H4.00952C4.48291 4.79762 4.86667 4.41386 4.86667 3.94047V1ZM7 12V8.71428H9H10.5143C11.2244 8.71428 11.8 8.13865 11.8 7.42857V4H13.2857C14.2325 4 15 4.76751 15 5.71429V13.2857C15 14.2325 14.2325 15 13.2857 15H8.71429C7.76751 15 7 14.2325 7 13.2857V12Z" fill="currentColor" fill-rule="evenodd">
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</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Shut Down a Primary
<code class="leafygreen-ui-1l06pbn">
mongod
</code>
With Longer Timeout
<a class="headerlink leafygreen-ui-1kepx47" href="#shut-down-a-primary-mongod-with-longer-timeout" title="Permalink to this heading">
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<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
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<div class="css-1btu0w3 evvkmar0" id="shut-down-a-primary-mongod-with-longer-timeout">
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</h3>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"db.getSiblingDB(\"admin\").shutdownServer({ \"timeoutSecs\": 60 })","programmingLanguage":"JavaScript"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
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<pre class="leafygreen-ui-1q4bxgx" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">getSiblingDB</span>(<span class="lg-highlight-string">"admin"</span>).<span class="lg-highlight-title lg-highlight-function">shutdownServer</span>(<!-- -->{ <span class="lg-highlight-string">"timeoutSecs"</span>: <span class="lg-highlight-number">60</span> })</td></tr></tbody></table></code></pre>
<div class="leafygreen-ui-1bqcprk" data-testid="leafygreen-code-panel">
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</section>
|
https://www.mongodb.com/docs/manual/core/transactions-in-applications/ | <section>
<h1 class="contains-headerlink leafygreen-ui-41fr9s" weight="medium">
Drivers API
<a class="headerlink leafygreen-ui-1kepx47" href="#drivers-api" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="drivers-api">
</div>
</a>
</h1>
<div class="leafygreen-ui-a5yxub">
<p class="css-1cmx2d4 ef7gu8j0">
On this page
</p>
<ul class="css-1qb0mst ef7gu8j1">
<li class="leafygreen-ui-1e7a0ei">
<a class="lg-ui-0001 leafygreen-ui-e98ikf" href="#callback-api-vs-core-api" target="_self">
<span>
Callback API vs Core API
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#callback-api" target="_self">
<span>
Callback API
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#core-api" target="_self">
<span>
Core API
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#driver-versions" target="_self">
<span>
Driver Versions
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#transaction-error-handling" target="_self">
<span>
Transaction Error Handling
</span>
</a>
</li>
<li class="leafygreen-ui-1jqtqlb">
<a class="lg-ui-0001 leafygreen-ui-cpmeq5" href="#additional-information" target="_self">
<span>
Additional Information
</span>
</a>
</li>
</ul>
</div>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Callback API vs Core API
<a class="headerlink leafygreen-ui-1kepx47" href="#callback-api-vs-core-api" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="callback-api-vs-core-api">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-txn-callback-api" target="_self">
<span>
Callback API
<!-- -->
:
</span>
</a>
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Starts a transaction, executes the specified operations, and commits
(or aborts on error).
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Automatically incorporates error handling logic for
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-transient-transaction-error" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
TransientTransactionError
</code>
</span>
</a>
and
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-unknown-transaction-commit-result" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
UnknownTransactionCommitResult
</code>
.
</span>
</a>
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-txn-core-api" target="_self">
<span>
Core API
<!-- -->
:
</span>
</a>
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Requires explicit call to start the transaction and commit the
transaction.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Does not incorporate error handling logic for
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-transient-transaction-error" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
TransientTransactionError
</code>
</span>
</a>
and
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-unknown-transaction-commit-result" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
UnknownTransactionCommitResult
</code>
</span>
</a>
, and instead provides the
flexibility to incorporate custom error handling for these errors.
</p>
</li>
</ul>
<span class="leafygreen-ui-1qnjd6d" id="std-label-txn-callback-api">
</span>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Callback API
<a class="headerlink leafygreen-ui-1kepx47" href="#callback-api" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="callback-api">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
The callback API incorporates logic:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
To retry the transaction as a whole if the transaction encounters a
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-transient-transaction-error" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
TransientTransactionError
</code>
</span>
</a>
error.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
To retry the commit operation if the commit encounters an
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-unknown-transaction-commit-result" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
UnknownTransactionCommitResult
</code>
</span>
</a>
error.
</p>
</li>
</ul>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 6.2, the server does not retry the transaction if
it receives a
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-transactionTooLargeForCache-error" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
TransactionTooLargeForCache
</code>
</span>
</a>
error.
</p>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Example
<a class="headerlink leafygreen-ui-1kepx47" href="#example" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="example">
</div>
</a>
</h3>
<hr class="css-1unva0n e4ru7ww0"/>
<p class="leafygreen-ui-1kp3ins">
➤
<!-- -->
Use the
<strong>
Select your language
</strong>
drop-down menu in the
upper-right to set the language of the examples on this page.
</p>
<hr class="css-1unva0n e4ru7ww0"/>
<div aria-hidden="true">
</div>
<div class="leafygreen-ui-f2qztv" data-lgid="lg-tabs">
<div class="leafygreen-ui-jp7pox" id="tabs-7">
<div aria-label="Tabs to describe usage of drivers" aria-orientation="horizontal" class="leafygreen-ui-m8p1vb lg-ui-tab-list-0000" data-lgid="lg-tabs-tab_list" role="tablist">
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C
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C++11
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C#
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</button>
<button aria-controls="_nm01nbtmv" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_jckj3rvh4" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Go
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</button>
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<div class="leafygreen-ui-1nxuzmg">
Java (Sync)
</div>
</button>
<button aria-controls="_jcz69geqi" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_qnvwkm5np" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Motor
</div>
</button>
<button aria-controls="_4xrj6levv" aria-selected="true" class="leafygreen-ui-1l773z1" data-text="" id="_y3w3v9ntc" name="" role="tab" tabindex="0">
<div class="leafygreen-ui-1nxuzmg">
Node.js
</div>
</button>
<button aria-controls="_qy9wam61l" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_m8f0cspmr" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
Perl
</div>
</button>
<button aria-controls="_34iudxidt" aria-selected="false" class="leafygreen-ui-1ogxb8f" data-text="" id="_cbz4f1piq" name="" role="tab" tabindex="-1">
<div class="leafygreen-ui-1nxuzmg">
PHP
</div>
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Python
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Ruby
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<div class="leafygreen-ui-1nxuzmg">
Scala
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</button>
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<div class="leafygreen-ui-ov1ktg">
<div class="leafygreen-ui-1sg2lsz">
</div>
</div>
</div>
<div class="lg-ui-tab-panels-0000" data-lgid="lg-tabs-tab_panels">
<div>
<div aria-labelledby="_5ytqgpwid" class="leafygreen-ui-38lglc" id="_z8mrlnasr" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Use the MongoDB driver for your MongoDB version.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
When using drivers, each operation in the transaction must pass
the session to each operation.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Operations in a transaction use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-read-concern">
transaction-level read
concern
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-write-concern">
transaction-level
write concern
</a>
, and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-read-preference">
transaction-level read preference
<!-- -->
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
You can create collections in transactions implicitly or
explicitly. See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-create-collections-indexes">
Create Collections and Indexes in a Transaction
<!-- -->
.
</a>
</p>
</li>
</ul>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The example uses the new callback API for working with
transactions, which starts a transaction, executes the
specified operations, and commits (or aborts on error). The
new callback API incorporates retry logic for
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-transient-transaction-error" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
TransientTransactionError
</code>
</span>
</a>
or
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-unknown-transaction-commit-result" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
UnknownTransactionCommitResult
</code>
</span>
</a>
commit errors.
</p>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"static bool\nwith_transaction_example (bson_error_t *error)\n{\n mongoc_client_t *client = NULL;\n mongoc_write_concern_t *wc = NULL;\n mongoc_collection_t *coll = NULL;\n bool success = false;\n bool ret = false;\n bson_t *doc = NULL;\n bson_t *insert_opts = NULL;\n mongoc_client_session_t *session = NULL;\n mongoc_transaction_opt_t *txn_opts = NULL;\n\n /* For a replica set, include the replica set name and a seedlist of the\n * members in the URI string; e.g.\n * uri_repl = \"mongodb://mongodb0.example.com:27017,mongodb1.example.com:\" \\\n * \"27017/?replicaSet=myRepl\";\n * client = mongoc_client_new (uri_repl);\n * For a sharded cluster, connect to the mongos instances; e.g.\n * uri_sharded =\n * \"mongodb://mongos0.example.com:27017,mongos1.example.com:27017/\";\n * client = mongoc_client_new (uri_sharded);\n */\n\n client = get_client ();\n\n /* Prereq: Create collections. Note Atlas connection strings include a majority write\n * concern by default.\n */\n wc = mongoc_write_concern_new ();\n mongoc_write_concern_set_wmajority (wc, 0);\n insert_opts = bson_new ();\n mongoc_write_concern_append (wc, insert_opts);\n coll = mongoc_client_get_collection (client, \"mydb1\", \"foo\");\n doc = BCON_NEW (\"abc\", BCON_INT32 (0));\n ret = mongoc_collection_insert_one (coll, doc, insert_opts, NULL /* reply */, error);\n if (!ret) {\n goto fail;\n }\n bson_destroy (doc);\n mongoc_collection_destroy (coll);\n coll = mongoc_client_get_collection (client, \"mydb2\", \"bar\");\n doc = BCON_NEW (\"xyz\", BCON_INT32 (0));\n ret = mongoc_collection_insert_one (coll, doc, insert_opts, NULL /* reply */, error);\n if (!ret) {\n goto fail;\n }\n\n /* Step 1: Start a client session. */\n session = mongoc_client_start_session (client, NULL /* opts */, error);\n if (!session) {\n goto fail;\n }\n\n /* Step 2: Optional. Define options to use for the transaction. */\n txn_opts = mongoc_transaction_opts_new ();\n mongoc_transaction_opts_set_write_concern (txn_opts, wc);\n\n /* Step 3: Use mongoc_client_session_with_transaction to start a transaction,\n * execute the callback, and commit (or abort on error). */\n ret = mongoc_client_session_with_transaction (session, callback, txn_opts, NULL /* ctx */, NULL /* reply */, error);\n if (!ret) {\n goto fail;\n }\n\n success = true;\nfail:\n bson_destroy (doc);\n mongoc_collection_destroy (coll);\n bson_destroy (insert_opts);\n mongoc_write_concern_destroy (wc);\n mongoc_transaction_opts_destroy (txn_opts);\n mongoc_client_session_destroy (session);\n mongoc_client_destroy (client);\n return success;\n}\n\n/* Define the callback that specifies the sequence of operations to perform\n * inside the transactions. */\nstatic bool\ncallback (mongoc_client_session_t *session, void *ctx, bson_t **reply, bson_error_t *error)\n{\n mongoc_client_t *client = NULL;\n mongoc_collection_t *coll = NULL;\n bson_t *doc = NULL;\n bool success = false;\n bool ret = false;\n\n BSON_UNUSED (ctx);\n\n client = mongoc_client_session_get_client (session);\n coll = mongoc_client_get_collection (client, \"mydb1\", \"foo\");\n doc = BCON_NEW (\"abc\", BCON_INT32 (1));\n ret = mongoc_collection_insert_one (coll, doc, NULL /* opts */, *reply, error);\n if (!ret) {\n goto fail;\n }\n bson_destroy (doc);\n mongoc_collection_destroy (coll);\n coll = mongoc_client_get_collection (client, \"mydb2\", \"bar\");\n doc = BCON_NEW (\"xyz\", BCON_INT32 (999));\n ret = mongoc_collection_insert_one (coll, doc, NULL /* opts */, *reply, error);\n if (!ret) {\n goto fail;\n }\n\n success = true;\nfail:\n mongoc_collection_destroy (coll);\n bson_destroy (doc);\n return success;\n}","programmingLanguage":"C"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-9lvdmr">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">static</span> bool</td></tr><tr class=""><td class="leafygreen-ui-7razhx">with_transaction_example (bson_error_t *error)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> mongoc_client_t *<!-- -->client = <span class="lg-highlight-variable lg-highlight-constant">NULL</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> mongoc_write_concern_t *<!-- -->wc = <span class="lg-highlight-variable lg-highlight-constant">NULL</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> mongoc_collection_t *<!-- -->coll = <span class="lg-highlight-variable lg-highlight-constant">NULL</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bool success = <!-- --><span class="lg-highlight-literal">false</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bool ret = <!-- --><span class="lg-highlight-literal">false</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bson_t *<!-- -->doc = <span class="lg-highlight-variable lg-highlight-constant">NULL</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bson_t *<!-- -->insert_opts = <span class="lg-highlight-variable lg-highlight-constant">NULL</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> mongoc_client_session_t *<!-- -->session = <span class="lg-highlight-variable lg-highlight-constant">NULL</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> mongoc_transaction_opt_t *<!-- -->txn_opts = <span class="lg-highlight-variable lg-highlight-constant">NULL</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">/*</span><span class="lg-highlight-comment"> For a replica </span><span class="lg-highlight-comment">set,</span><span class="lg-highlight-comment"> include the replica </span><span class="lg-highlight-comment">set</span><span class="lg-highlight-comment"> name and a </span><span class="lg-highlight-comment">seedlist of the</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> *</span><span class="lg-highlight-comment"> members in the </span><span class="lg-highlight-comment">URI string; e.g.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> * uri_repl = "mongodb://mongodb0.example.com:27017,mongodb1.example.com:" \</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> * "27017/?replicaSet=myRepl";</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> * client = mongoc_client_new (uri_repl);</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> *</span><span class="lg-highlight-comment"> For a sharded </span><span class="lg-highlight-comment">cluster,</span><span class="lg-highlight-comment"> connect to the </span><span class="lg-highlight-comment">mongos instances; e.g.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> * uri_sharded =</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> * "mongodb://mongos0.example.com:27017,mongos1.example.com:27017/";</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> * client = mongoc_client_new (uri_sharded);</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> */</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->client <!-- -->= <!-- -->get_client ();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">/*</span><span class="lg-highlight-comment"> Prereq: Create collections. </span><span class="lg-highlight-comment">Note</span><span class="lg-highlight-comment"> Atlas connection strings </span><span class="lg-highlight-comment">include a majority write</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> * concern by default.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> */</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wc <!-- -->= <!-- -->mongoc_write_concern_new ();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->mongoc_write_concern_set_wmajority (wc<!-- -->, <span class="lg-highlight-number">0</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->insert_opts <!-- -->= <!-- -->bson_new ();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->mongoc_write_concern_append <!-- -->(wc, insert_opts);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->coll <!-- -->= mongoc_client_get_collection (client, <!-- --><span class="lg-highlight-string">"mydb1"</span>, <span class="lg-highlight-string">"foo"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->doc <!-- -->= <span class="lg-highlight-variable lg-highlight-constant">BCON_NEW</span> <!-- -->(<span class="lg-highlight-string">"abc"</span>, <!-- --><!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_INT32</span> (<span class="lg-highlight-number">0</span>));</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->ret <!-- -->= mongoc_collection_insert_one (coll, <!-- -->doc, insert_opts, <span class="lg-highlight-variable lg-highlight-constant">NULL</span> <span class="lg-highlight-comment">/* reply */</span>, error);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> <!-- -->(<!-- -->!ret) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> goto fail;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bson_destroy <!-- -->(<!-- -->doc);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->mongoc_collection_destroy <!-- -->(coll);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->coll <!-- -->= mongoc_client_get_collection (client, <!-- --><span class="lg-highlight-string">"mydb2"</span>, <span class="lg-highlight-string">"bar"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->doc <!-- -->= <span class="lg-highlight-variable lg-highlight-constant">BCON_NEW</span> <!-- -->(<span class="lg-highlight-string">"xyz"</span>, <!-- --><!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_INT32</span> (<span class="lg-highlight-number">0</span>));</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->ret <!-- -->= mongoc_collection_insert_one (coll, <!-- -->doc, insert_opts, <span class="lg-highlight-variable lg-highlight-constant">NULL</span> <span class="lg-highlight-comment">/* reply */</span>, error);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> <!-- -->(<!-- -->!ret) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> goto fail;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">/* Step 1:</span><span class="lg-highlight-comment"> Start a client </span><span class="lg-highlight-comment">session. */</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> session <!-- -->= <!-- -->mongoc_client_start_session (client<!-- -->, <span class="lg-highlight-variable lg-highlight-constant">NULL</span> <span class="lg-highlight-comment">/* opts */</span>, error);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> <!-- -->(<!-- -->!session) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> goto fail;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">/* Step 2:</span><span class="lg-highlight-comment"> Optional. Define options </span><span class="lg-highlight-comment">to</span><span class="lg-highlight-comment"> use for the </span><span class="lg-highlight-comment">transaction. */</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> txn_opts <!-- -->= <!-- -->mongoc_transaction_opts_new <!-- -->();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->mongoc_transaction_opts_set_write_concern <!-- -->(txn_opts, wc);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">/* Step 3: Use mongoc_client_session_with_transaction</span><span class="lg-highlight-comment"> to start a </span><span class="lg-highlight-comment">transaction,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> * execute the callback, and commit (or abort on error). */</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->ret <!-- -->= mongoc_client_session_with_transaction (session, callback, txn_opts, <!-- --><span class="lg-highlight-variable lg-highlight-constant">NULL</span> <span class="lg-highlight-comment">/* ctx */</span>, <span class="lg-highlight-variable lg-highlight-constant">NULL</span> <span class="lg-highlight-comment">/* reply */</span>, error);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> <!-- -->(<!-- -->!ret) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> goto fail;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> success <!-- -->= <span class="lg-highlight-literal">true</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">fail</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->bson_destroy <!-- -->(doc);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->mongoc_collection_destroy <!-- -->(coll);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->bson_destroy <!-- -->(insert_opts);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->mongoc_write_concern_destroy <!-- -->(wc);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->mongoc_transaction_opts_destroy <!-- -->(txn_opts);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->mongoc_client_session_destroy <!-- -->(session);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->mongoc_client_destroy <!-- -->(client);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> success;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">/*</span><span class="lg-highlight-comment"> Define the callback </span><span class="lg-highlight-comment">that</span><span class="lg-highlight-comment"> specifies the sequence </span><span class="lg-highlight-comment">of operations to perform</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> *</span><span class="lg-highlight-comment"> inside the transactions. </span><span class="lg-highlight-comment">*/</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">static</span> bool</td></tr><tr class=""><td class="leafygreen-ui-7razhx">callback (mongoc_client_session_t *session, <span class="lg-highlight-keyword">void</span> *ctx, bson_t **reply, bson_error_t *error)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> mongoc_client_t *<!-- -->client = <span class="lg-highlight-variable lg-highlight-constant">NULL</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> mongoc_collection_t *<!-- -->coll = <span class="lg-highlight-variable lg-highlight-constant">NULL</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bson_t *<!-- -->doc = <span class="lg-highlight-variable lg-highlight-constant">NULL</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bool success = <!-- --><span class="lg-highlight-literal">false</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bool ret = <!-- --><span class="lg-highlight-literal">false</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><!-- --><span class="lg-highlight-variable lg-highlight-constant">BSON_UNUSED</span> (ctx);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->client <!-- -->= <!-- -->mongoc_client_session_get_client (session);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->coll <!-- -->= mongoc_client_get_collection (client, <!-- --><span class="lg-highlight-string">"mydb1"</span>, <span class="lg-highlight-string">"foo"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->doc <!-- -->= <span class="lg-highlight-variable lg-highlight-constant">BCON_NEW</span> <!-- -->(<span class="lg-highlight-string">"abc"</span>, <!-- --><!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_INT32</span> (<span class="lg-highlight-number">1</span>));</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->ret <!-- -->= mongoc_collection_insert_one (coll, <!-- -->doc, <span class="lg-highlight-variable lg-highlight-constant">NULL</span> <span class="lg-highlight-comment">/* opts */</span>, *reply, error);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> <!-- -->(<!-- -->!ret) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> goto fail;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bson_destroy <!-- -->(<!-- -->doc);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->mongoc_collection_destroy <!-- -->(coll);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->coll <!-- -->= mongoc_client_get_collection (client, <!-- --><span class="lg-highlight-string">"mydb2"</span>, <span class="lg-highlight-string">"bar"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->doc <!-- -->= <span class="lg-highlight-variable lg-highlight-constant">BCON_NEW</span> <!-- -->(<span class="lg-highlight-string">"xyz"</span>, <!-- --><!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_INT32</span> (<span class="lg-highlight-number">999</span>));</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->ret <!-- -->= mongoc_collection_insert_one (coll, <!-- -->doc, <span class="lg-highlight-variable lg-highlight-constant">NULL</span> <span class="lg-highlight-comment">/* opts */</span>, *reply, error);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> <!-- -->(<!-- -->!ret) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> goto fail;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> success <!-- -->= <span class="lg-highlight-literal">true</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">fail</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->mongoc_collection_destroy <!-- -->(coll);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->bson_destroy <!-- -->(doc);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> success;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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Node.js
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<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Use the MongoDB driver for your MongoDB version.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
When using drivers, each operation in the transaction must pass
the session to each operation.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Operations in a transaction use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-read-concern">
transaction-level read
concern
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-write-concern">
transaction-level
write concern
</a>
, and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-read-preference">
transaction-level read preference
<!-- -->
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
You can create collections in transactions implicitly or
explicitly. See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-create-collections-indexes">
Create Collections and Indexes in a Transaction
<!-- -->
.
</a>
</p>
</li>
</ul>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The example uses the new callback API for working with
transactions, which starts a transaction, executes the
specified operations, and commits (or aborts on error). The
new callback API incorporates retry logic for
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-transient-transaction-error" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
TransientTransactionError
</code>
</span>
</a>
or
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-unknown-transaction-commit-result" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
UnknownTransactionCommitResult
</code>
</span>
</a>
commit errors.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"\n// The mongocxx::instance constructor and destructor initialize and shut down the driver,\n// respectively. Therefore, a mongocxx::instance must be created before using the driver and\n// must remain alive for as long as the driver is in use.\nmongocxx::instance inst{};\n\n// For a replica set, include the replica set name and a seedlist of the members in the URI\n// string; e.g.\n// uriString =\n// 'mongodb://mongodb0.example.com:27017,mongodb1.example.com:27017/?replicaSet=myRepl'\n// For a sharded cluster, connect to the mongos instances; e.g.\n// uriString = 'mongodb://mongos0.example.com:27017,mongos1.example.com:27017/'\nmongocxx::client client{mongocxx::uri{\"mongodb://localhost/?replicaSet=repl0\"}};\n\n// Prepare to set majority write explicitly. Note: on Atlas deployments this won't always be\n// needed. The suggested Atlas connection string includes majority write concern by default.\nwrite_concern wc_majority{};\nwc_majority.acknowledge_level(write_concern::level::k_majority);\n\n// Prereq: Create collections.\n\nauto foo = client[\"mydb1\"][\"foo\"];\nauto bar = client[\"mydb2\"][\"bar\"];\n\ntry {\n options::insert opts;\n opts.write_concern(wc_majority);\n\n foo.insert_one(make_document(kvp(\"abc\", 0)), opts);\n bar.insert_one(make_document(kvp(\"xyz\", 0)), opts);\n} catch (const mongocxx::exception& e) {\n std::cout << \"An exception occurred while inserting: \" << e.what() << std::endl;\n return EXIT_FAILURE;\n}\n\n// Step 1: Define the callback that specifies the sequence of operations to perform inside the\n// transactions.\nclient_session::with_transaction_cb callback = [&](client_session* session) {\n // Important:: You must pass the session to the operations.\n foo.insert_one(*session, make_document(kvp(\"abc\", 1)));\n bar.insert_one(*session, make_document(kvp(\"xyz\", 999)));\n};\n\n// Step 2: Start a client session\nauto session = client.start_session();\n\n// Step 3: Use with_transaction to start a transaction, execute the callback,\n// and commit (or abort on error).\ntry {\n options::transaction opts;\n opts.write_concern(wc_majority);\n\n session.with_transaction(callback, opts);\n} catch (const mongocxx::exception& e) {\n std::cout << \"An exception occurred: \" << e.what() << std::endl;\n return EXIT_FAILURE;\n}\n\nreturn EXIT_SUCCESS;\n","programmingLanguage":"C++"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// The mongocxx::instance</span><span class="lg-highlight-comment"> constructor and destructor </span><span class="lg-highlight-comment">initialize</span><span class="lg-highlight-comment"> and shut down </span><span class="lg-highlight-comment">the driver,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// respectively. Therefore, a mongocxx::instance must be</span><span class="lg-highlight-comment"> created before using </span><span class="lg-highlight-comment">the driver and</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> must remain alive </span><span class="lg-highlight-comment">for as long as</span><span class="lg-highlight-comment"> the driver is </span><span class="lg-highlight-comment">in use.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><!-- --><span class="lg-highlight-attr">mongocxx</span>::instance inst{};</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> For a replica </span><span class="lg-highlight-comment">set,</span><span class="lg-highlight-comment"> include the replica </span><span class="lg-highlight-comment">set</span><span class="lg-highlight-comment"> name and a </span><span class="lg-highlight-comment">seedlist of</span><span class="lg-highlight-comment"> the members in </span><span class="lg-highlight-comment">the URI</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// string; e.g.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// uriString =</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// 'mongodb://mongodb0.example.com:27017,mongodb1.example.com:27017/?replicaSet=myRepl'</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> For a sharded </span><span class="lg-highlight-comment">cluster,</span><span class="lg-highlight-comment"> connect to the </span><span class="lg-highlight-comment">mongos instances; e.g.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// uriString = 'mongodb://mongos0.example.com:27017,mongos1.example.com:27017/'</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><!-- --><span class="lg-highlight-attr">mongocxx</span>:<!-- -->:<!-- -->client client{<span class="lg-highlight-attr">mongocxx</span>::uri{<span class="lg-highlight-string">"mongodb://localhost/?replicaSet=repl0"</span>}};</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Prepare to set </span><span class="lg-highlight-comment">majority</span><span class="lg-highlight-comment"> write explicitly. Note: </span><span class="lg-highlight-comment">on</span><span class="lg-highlight-comment"> Atlas deployments this </span><span class="lg-highlight-comment">won't always be</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> needed. The suggested </span><span class="lg-highlight-comment">Atlas</span><span class="lg-highlight-comment"> connection string includes </span><span class="lg-highlight-comment">majority write concern by default.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">write_concern wc_majority{};</td></tr><tr class=""><td class="leafygreen-ui-7razhx">wc_majority.<span class="lg-highlight-title lg-highlight-function">acknowledge_level</span>(<!-- --><span class="lg-highlight-attr">write_concern</span>::<span class="lg-highlight-attr">level</span>::k_majority);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// Prereq: Create collections.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">auto foo = <!-- -->client[<span class="lg-highlight-string">"mydb1"</span>][<span class="lg-highlight-string">"foo"</span>];</td></tr><tr class=""><td class="leafygreen-ui-7razhx">auto bar = <!-- -->client[<span class="lg-highlight-string">"mydb2"</span>][<span class="lg-highlight-string">"bar"</span>];</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">try</span> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><!-- --><span class="lg-highlight-attr">options</span>::insert opts;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->opts.<span class="lg-highlight-title lg-highlight-function">write_concern</span>(wc_majority);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->foo.<span class="lg-highlight-title lg-highlight-function">insert_one</span>(<span class="lg-highlight-title lg-highlight-function">make_document</span>(<span class="lg-highlight-title lg-highlight-function">kvp</span>(<span class="lg-highlight-string">"abc"</span>, <span class="lg-highlight-number">0</span>))<!-- -->, <!-- -->opts);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->bar.<span class="lg-highlight-title lg-highlight-function">insert_one</span>(<span class="lg-highlight-title lg-highlight-function">make_document</span>(<span class="lg-highlight-title lg-highlight-function">kvp</span>(<span class="lg-highlight-string">"xyz"</span>, <span class="lg-highlight-number">0</span>))<!-- -->, <!-- -->opts);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">} <span class="lg-highlight-keyword">catch</span> <!-- -->(<span class="lg-highlight-keyword">const</span> <!-- --><span class="lg-highlight-attr">mongocxx</span>::exception& e) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><!-- --><span class="lg-highlight-attr">std</span>::cout <!-- --><< <span class="lg-highlight-string">"An exception occurred while inserting: "</span> <!-- --><< <!-- -->e.<span class="lg-highlight-title lg-highlight-function">what</span>() << <span class="lg-highlight-attr">std</span>::endl;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> <span class="lg-highlight-variable lg-highlight-constant">EXIT_FAILURE</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// Step 1:</span><span class="lg-highlight-comment"> Define the callback </span><span class="lg-highlight-comment">that</span><span class="lg-highlight-comment"> specifies the sequence </span><span class="lg-highlight-comment">of</span><span class="lg-highlight-comment"> operations to perform </span><span class="lg-highlight-comment">inside the</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// transactions.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><!-- --><span class="lg-highlight-attr">client_session</span>:<!-- -->:<!-- -->with_transaction_cb callback <!-- -->= [&](client_session* session) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// Important::</span><span class="lg-highlight-comment"> You must pass </span><span class="lg-highlight-comment">the</span><span class="lg-highlight-comment"> session to the </span><span class="lg-highlight-comment">operations.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> foo.<span class="lg-highlight-title lg-highlight-function">insert_one</span>(*session, <span class="lg-highlight-title lg-highlight-function">make_document</span>(<span class="lg-highlight-title lg-highlight-function">kvp</span>(<!-- --><!-- --><span class="lg-highlight-string">"abc"</span>, <!-- --><span class="lg-highlight-number">1</span>)));</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bar.<span class="lg-highlight-title lg-highlight-function">insert_one</span>(*session, <span class="lg-highlight-title lg-highlight-function">make_document</span>(<span class="lg-highlight-title lg-highlight-function">kvp</span>(<!-- --><!-- --><span class="lg-highlight-string">"xyz"</span>, <!-- --><span class="lg-highlight-number">999</span>)));</td></tr><tr class=""><td class="leafygreen-ui-7razhx">};</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// Step 2:</span><span class="lg-highlight-comment"> Start a client </span><span class="lg-highlight-comment">session</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">auto session = <!-- -->client.<span class="lg-highlight-title lg-highlight-function">start_session</span>(<!-- -->);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// Step 3: Use with_transaction</span><span class="lg-highlight-comment"> to start a </span><span class="lg-highlight-comment">transaction, execute the callback,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// and commit (or abort on error).</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">try</span> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><!-- --><span class="lg-highlight-attr">options</span>::transaction opts;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->opts.<span class="lg-highlight-title lg-highlight-function">write_concern</span>(wc_majority);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->session.<span class="lg-highlight-title lg-highlight-function">with_transaction</span>(callback, opts);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">} <span class="lg-highlight-keyword">catch</span> <!-- -->(<span class="lg-highlight-keyword">const</span> <!-- --><span class="lg-highlight-attr">mongocxx</span>::exception& e) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><!-- --><span class="lg-highlight-attr">std</span>::cout <!-- --><< <span class="lg-highlight-string">"An exception occurred: "</span> <!-- --><< <!-- -->e.<span class="lg-highlight-title lg-highlight-function">what</span>() << <span class="lg-highlight-attr">std</span>::endl;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> <span class="lg-highlight-variable lg-highlight-constant">EXIT_FAILURE</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">return</span> <span class="lg-highlight-variable lg-highlight-constant">EXIT_SUCCESS</span>;</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Use the MongoDB driver for your MongoDB version.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
When using drivers, each operation in the transaction must pass
the session to each operation.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Operations in a transaction use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-read-concern">
transaction-level read
concern
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-write-concern">
transaction-level
write concern
</a>
, and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-read-preference">
transaction-level read preference
<!-- -->
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
You can create collections in transactions implicitly or
explicitly. See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-create-collections-indexes">
Create Collections and Indexes in a Transaction
<!-- -->
.
</a>
</p>
</li>
</ul>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The example uses the new callback API for working with
transactions, which starts a transaction, executes the
specified operations, and commits (or aborts on error). The
new callback API incorporates retry logic for
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-transient-transaction-error" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
TransientTransactionError
</code>
</span>
</a>
or
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-unknown-transaction-commit-result" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
UnknownTransactionCommitResult
</code>
</span>
</a>
commit errors.
</p>
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<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> For a replica </span><span class="lg-highlight-comment">set,</span><span class="lg-highlight-comment"> include the replica </span><span class="lg-highlight-comment">set</span><span class="lg-highlight-comment"> name and a </span><span class="lg-highlight-comment">seedlist of</span><span class="lg-highlight-comment"> the members in </span><span class="lg-highlight-comment">the URI string; e.g.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// string uri = "mongodb://mongodb0.example.com:27017,mongodb1.example.com:27017/?replicaSet=myRepl";</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> For a sharded </span><span class="lg-highlight-comment">cluster,</span><span class="lg-highlight-comment"> connect to the </span><span class="lg-highlight-comment">mongos instances; e.g.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// string uri = "mongodb://mongos0.example.com:27017,mongos1.example.com:27017/";</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> client = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">MongoClient</span>(connectionString);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// Prereq: Create collections.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> database1 = client.<span class="lg-highlight-title lg-highlight-class">GetDatabase</span>(<span class="lg-highlight-string">"mydb1"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> collection1 = database1.<span class="lg-highlight-property">GetCollection</span><<span class="lg-highlight-title lg-highlight-class">BsonDocument</span>>(<span class="lg-highlight-string">"foo"</span>).<span class="lg-highlight-title lg-highlight-class">WithWriteConcern</span>(<span class="lg-highlight-title lg-highlight-class">WriteConcern</span>.<span class="lg-highlight-property">WMajority</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">collection1.<span class="lg-highlight-title lg-highlight-class">InsertOne</span>(<span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span>(<span class="lg-highlight-string">"abc"</span>, <span class="lg-highlight-number">0</span>));</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> database2 = client.<span class="lg-highlight-title lg-highlight-class">GetDatabase</span>(<span class="lg-highlight-string">"mydb2"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">var</span> collection2 = database2.<span class="lg-highlight-property">GetCollection</span><<span class="lg-highlight-title lg-highlight-class">BsonDocument</span>>(<span class="lg-highlight-string">"bar"</span>).<span class="lg-highlight-title lg-highlight-class">WithWriteConcern</span>(<span class="lg-highlight-title lg-highlight-class">WriteConcern</span>.<span class="lg-highlight-property">WMajority</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">collection2.<span class="lg-highlight-title lg-highlight-class">InsertOne</span>(<span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span>(<span class="lg-highlight-string">"xyz"</span>, <span class="lg-highlight-number">0</span>));</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// Step 1:</span><span class="lg-highlight-comment"> Start a client </span><span class="lg-highlight-comment">session.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">using (<span class="lg-highlight-keyword">var</span> session = client.<span class="lg-highlight-title lg-highlight-class">StartSession</span>())</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// Step 2:</span><span class="lg-highlight-comment"> Optional. Define options </span><span class="lg-highlight-comment">to</span><span class="lg-highlight-comment"> use for the </span><span class="lg-highlight-comment">transaction.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">var</span> transactionOptions = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">TransactionOptions</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">writeConcern</span>: <span class="lg-highlight-title lg-highlight-class">WriteConcern</span>.<span class="lg-highlight-property">WMajority</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// Step 3:</span><span class="lg-highlight-comment"> Define the sequence </span><span class="lg-highlight-comment">of</span><span class="lg-highlight-comment"> operations to perform </span><span class="lg-highlight-comment">inside the transactions</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">var</span> cancellationToken = <span class="lg-highlight-title lg-highlight-class">CancellationToken</span>.<span class="lg-highlight-property">None</span>; <span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> normally a real </span><span class="lg-highlight-comment">token would be used</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> result = session.<span class="lg-highlight-title lg-highlight-class">WithTransaction</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-function">(</span><span class="lg-highlight-params lg-highlight-function">s, ct</span><span class="lg-highlight-function">) =></span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">try</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> collection1.<span class="lg-highlight-title lg-highlight-class">InsertOne</span>(s, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span>(<span class="lg-highlight-string">"abc"</span>, <span class="lg-highlight-number">1</span>), <span class="lg-highlight-attr">cancellationToken</span>: ct);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> collection2.<span class="lg-highlight-title lg-highlight-class">InsertOne</span>(s, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span>(<span class="lg-highlight-string">"xyz"</span>, <span class="lg-highlight-number">999</span>), <span class="lg-highlight-attr">cancellationToken</span>: ct);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">catch</span> (<span class="lg-highlight-title lg-highlight-class">MongoWriteException</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// Do</span><span class="lg-highlight-comment"> something in response </span><span class="lg-highlight-comment">to the exception</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">throw</span>; <span class="lg-highlight-comment">// </span><span class="lg-highlight-doctag lg-highlight-comment">NOTE:</span><span class="lg-highlight-comment"> You must rethrow </span><span class="lg-highlight-comment">the exception otherwise an</span><span class="lg-highlight-comment"> infinite loop can </span><span class="lg-highlight-comment">occur.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> <span class="lg-highlight-string">"Inserted into collections in different databases"</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> transactionOptions,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> cancellationToken);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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Node.js
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<p class="leafygreen-ui-1kp3ins">
The example uses the new callback API for working with
transactions, which starts a transaction, executes the
specified operations, and commits (or aborts on error). The
new callback API incorporates retry logic for
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-transient-transaction-error" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
TransientTransactionError
</code>
</span>
</a>
or
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-unknown-transaction-commit-result" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
UnknownTransactionCommitResult
</code>
</span>
</a>
commit errors.
</p>
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<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Use the MongoDB driver for your MongoDB version.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
When using drivers, each operation in the transaction must pass
the session to each operation.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Operations in a transaction use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-read-concern">
transaction-level read
concern
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-write-concern">
transaction-level
write concern
</a>
, and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-read-preference">
transaction-level read preference
<!-- -->
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
You can create collections in transactions implicitly or
explicitly. See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-create-collections-indexes">
Create Collections and Indexes in a Transaction
<!-- -->
.
</a>
</p>
</li>
</ul>
</div>
</div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"\n// WithTransactionExample is an example of using the Session.WithTransaction function.\nfunc WithTransactionExample(ctx context.Context) error {\n\t// For a replica set, include the replica set name and a seedlist of the members in the URI string; e.g.\n\t// uri := \"mongodb://mongodb0.example.com:27017,mongodb1.example.com:27017/?replicaSet=myRepl\"\n\t// For a sharded cluster, connect to the mongos instances; e.g.\n\t// uri := \"mongodb://mongos0.example.com:27017,mongos1.example.com:27017/\"\n\turi := mtest.ClusterURI()\n\n\tclientOpts := options.Client().ApplyURI(uri)\n\tclient, err := mongo.Connect(clientOpts)\n\tif err != nil {\n\t\treturn err\n\t}\n\tdefer func() { _ = client.Disconnect(ctx) }()\n\n\t// Prereq: Create collections.\n\twcMajority := writeconcern.Majority()\n\twcMajorityCollectionOpts := options.Collection().SetWriteConcern(wcMajority)\n\tfooColl := client.Database(\"mydb1\").Collection(\"foo\", wcMajorityCollectionOpts)\n\tbarColl := client.Database(\"mydb1\").Collection(\"bar\", wcMajorityCollectionOpts)\n\n\t// Step 1: Define the callback that specifies the sequence of operations to perform inside the transaction.\n\tcallback := func(sesctx context.Context) (interface{}, error) {\n\t\t// Important: You must pass sesctx as the Context parameter to the operations for them to be executed in the\n\t\t// transaction.\n\t\tif _, err := fooColl.InsertOne(sesctx, bson.D{{\"abc\", 1}}); err != nil {\n\t\t\treturn nil, err\n\t\t}\n\t\tif _, err := barColl.InsertOne(sesctx, bson.D{{\"xyz\", 999}}); err != nil {\n\t\t\treturn nil, err\n\t\t}\n\n\t\treturn nil, nil\n\t}\n\n\t// Step 2: Start a session and run the callback using WithTransaction.\n\tsession, err := client.StartSession()\n\tif err != nil {\n\t\treturn err\n\t}\n\tdefer session.EndSession(ctx)\n\n\tresult, err := session.WithTransaction(ctx, callback)\n\tif err != nil {\n\t\treturn err\n\t}\n\tlog.Printf(\"result: %v\\n\", result)\n\treturn nil\n}\n","programmingLanguage":"Golang"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// WithTransactionExample is an example of using the Session.WithTransaction function.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">func <span class="lg-highlight-title lg-highlight-class">WithTransactionExample</span>(ctx context.<span class="lg-highlight-property">Context</span>) error {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> For a replica </span><span class="lg-highlight-comment">set,</span><span class="lg-highlight-comment"> include the replica </span><span class="lg-highlight-comment">set</span><span class="lg-highlight-comment"> name and a </span><span class="lg-highlight-comment">seedlist of</span><span class="lg-highlight-comment"> the members in </span><span class="lg-highlight-comment">the URI string; e.g.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// uri := "mongodb://mongodb0.example.com:27017,mongodb1.example.com:27017/?replicaSet=myRepl"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> For a sharded </span><span class="lg-highlight-comment">cluster,</span><span class="lg-highlight-comment"> connect to the </span><span class="lg-highlight-comment">mongos instances; e.g.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// uri := "mongodb://mongos0.example.com:27017,mongos1.example.com:27017/"</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->uri <!-- -->:= mtest.<span class="lg-highlight-title lg-highlight-class">ClusterURI</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> clientOpts <!-- -->:<!-- -->= options.<span class="lg-highlight-title lg-highlight-class">Client</span>().<span class="lg-highlight-title lg-highlight-class">ApplyURI</span>(uri)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> client<!-- -->, <!-- -->err := mongo.<span class="lg-highlight-title lg-highlight-class">Connect</span>(clientOpts)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> err != nil {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> err</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> defer <span class="lg-highlight-title lg-highlight-function">func</span>() { _ = client.<span class="lg-highlight-title lg-highlight-class">Disconnect</span>(ctx) }()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// Prereq: Create collections.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> wcMajority <!-- -->:<!-- -->= writeconcern.<span class="lg-highlight-title lg-highlight-class">Majority</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> wcMajorityCollectionOpts <!-- -->:<!-- -->= options.<span class="lg-highlight-title lg-highlight-class">Collection</span>().<span class="lg-highlight-title lg-highlight-class">SetWriteConcern</span>(wcMajority)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> fooColl <!-- -->:<!-- -->= client.<span class="lg-highlight-title lg-highlight-class">Database</span>(<span class="lg-highlight-string">"mydb1"</span>).<span class="lg-highlight-title lg-highlight-class">Collection</span>(<span class="lg-highlight-string">"foo"</span>, wcMajorityCollectionOpts)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> barColl <!-- -->:<!-- -->= client.<span class="lg-highlight-title lg-highlight-class">Database</span>(<span class="lg-highlight-string">"mydb1"</span>).<span class="lg-highlight-title lg-highlight-class">Collection</span>(<span class="lg-highlight-string">"bar"</span>, wcMajorityCollectionOpts)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// Step 1:</span><span class="lg-highlight-comment"> Define the callback </span><span class="lg-highlight-comment">that</span><span class="lg-highlight-comment"> specifies the sequence </span><span class="lg-highlight-comment">of</span><span class="lg-highlight-comment"> operations to perform </span><span class="lg-highlight-comment">inside the transaction.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> callback <!-- -->:<!-- -->= <span class="lg-highlight-title lg-highlight-function">func</span>(sesctx context.<span class="lg-highlight-property">Context</span>) (interface{}, error) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Important: You must </span><span class="lg-highlight-comment">pass sesctx as</span><span class="lg-highlight-comment"> the Context parameter </span><span class="lg-highlight-comment">to</span><span class="lg-highlight-comment"> the operations for </span><span class="lg-highlight-comment">them to be executed in the</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// transaction.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> _<!-- -->, <!-- -->err := fooColl.<span class="lg-highlight-title lg-highlight-class">InsertOne</span>(sesctx, bson.<span class="lg-highlight-property">D</span>{{<span class="lg-highlight-string">"abc"</span>, <span class="lg-highlight-number">1</span>}}); err != nil {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> nil, err</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> _<!-- -->, <!-- -->err := barColl.<span class="lg-highlight-title lg-highlight-class">InsertOne</span>(sesctx, bson.<span class="lg-highlight-property">D</span>{{<span class="lg-highlight-string">"xyz"</span>, <span class="lg-highlight-number">999</span>}}); err != nil {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> nil, err</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> nil, nil</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// Step 2:</span><span class="lg-highlight-comment"> Start a session </span><span class="lg-highlight-comment">and</span><span class="lg-highlight-comment"> run the callback </span><span class="lg-highlight-comment">using WithTransaction.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> session<!-- -->, <!-- -->err := client.<span class="lg-highlight-title lg-highlight-class">StartSession</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> err != nil {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> err</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> defer session.<span class="lg-highlight-title lg-highlight-class">EndSession</span>(ctx)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> result<!-- -->, <!-- -->err := session.<span class="lg-highlight-title lg-highlight-class">WithTransaction</span>(ctx, callback)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> err != nil {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> err</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> log.<span class="lg-highlight-title lg-highlight-class">Printf</span>(<span class="lg-highlight-string">"result: %v</span><span class="lg-highlight-string">\n</span><span class="lg-highlight-string">"</span>, result)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> nil</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Use the MongoDB driver for your MongoDB version.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
When using drivers, each operation in the transaction must pass
the session to each operation.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Operations in a transaction use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-read-concern">
transaction-level read
concern
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-write-concern">
transaction-level
write concern
</a>
, and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-read-preference">
transaction-level read preference
<!-- -->
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
You can create collections in transactions implicitly or
explicitly. See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-create-collections-indexes">
Create Collections and Indexes in a Transaction
<!-- -->
.
</a>
</p>
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</ul>
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<p class="leafygreen-ui-1kp3ins">
The example uses the new callback API for working with
transactions, which starts a transaction, executes the
specified operations, and commits (or aborts on error). The
new callback API incorporates retry logic for
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-transient-transaction-error" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
TransientTransactionError
</code>
</span>
</a>
or
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-unknown-transaction-commit-result" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
UnknownTransactionCommitResult
</code>
</span>
</a>
commit errors.
</p>
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<div class="css-16lmvu9">
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">/*</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">For a replica set,</span><span class="lg-highlight-comment"> include the replica </span><span class="lg-highlight-comment">set</span><span class="lg-highlight-comment"> name and a </span><span class="lg-highlight-comment">seedlist of</span><span class="lg-highlight-comment"> the members in </span><span class="lg-highlight-comment">the URI string; e.g.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">String uri = "mongodb://mongodb0.example.com:27017,mongodb1.example.com:27017/admin?replicaSet=myRepl";</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">For a sharded cluster,</span><span class="lg-highlight-comment"> connect to the </span><span class="lg-highlight-comment">mongos instances; e.g.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">String uri = "mongodb://mongos0.example.com:27017,mongos1.example.com:27017:27017/admin";</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">*/</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">final <span class="lg-highlight-title lg-highlight-class">MongoClient</span> client = <span class="lg-highlight-title lg-highlight-class">MongoClients</span>.<span class="lg-highlight-title lg-highlight-function">create</span>(uri);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">/*</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> Create collections.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">*/</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">client.<span class="lg-highlight-title lg-highlight-function">getDatabase</span>(<span class="lg-highlight-string">"mydb1"</span>).<span class="lg-highlight-title lg-highlight-function">getCollection</span>(<span class="lg-highlight-string">"foo"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">withWriteConcern</span>(<span class="lg-highlight-title lg-highlight-class">WriteConcern</span>.<span class="lg-highlight-property">MAJORITY</span>).<span class="lg-highlight-title lg-highlight-function">insertOne</span>( <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Document</span>(<span class="lg-highlight-string">"abc"</span>, <span class="lg-highlight-number">0</span>));</td></tr><tr class=""><td class="leafygreen-ui-7razhx">client.<span class="lg-highlight-title lg-highlight-function">getDatabase</span>(<span class="lg-highlight-string">"mydb2"</span>).<span class="lg-highlight-title lg-highlight-function">getCollection</span>(<span class="lg-highlight-string">"bar"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">withWriteConcern</span>(<span class="lg-highlight-title lg-highlight-class">WriteConcern</span>.<span class="lg-highlight-property">MAJORITY</span>).<span class="lg-highlight-title lg-highlight-function">insertOne</span>( <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Document</span>(<span class="lg-highlight-string">"xyz"</span>, <span class="lg-highlight-number">0</span>));</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">/* Step 1:</span><span class="lg-highlight-comment"> Start a client </span><span class="lg-highlight-comment">session. */</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">final <span class="lg-highlight-title lg-highlight-class">ClientSession</span> clientSession = client.<span class="lg-highlight-title lg-highlight-function">startSession</span>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">/* Step 2:</span><span class="lg-highlight-comment"> Optional. Define options </span><span class="lg-highlight-comment">to</span><span class="lg-highlight-comment"> use for the </span><span class="lg-highlight-comment">transaction. */</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">TransactionOptions</span> txnOptions = <span class="lg-highlight-title lg-highlight-class">TransactionOptions</span>.<span class="lg-highlight-title lg-highlight-function">builder</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">readPreference</span>(<span class="lg-highlight-title lg-highlight-class">ReadPreference</span>.<span class="lg-highlight-title lg-highlight-function">primary</span>())</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">readConcern</span>(<span class="lg-highlight-title lg-highlight-class">ReadConcern</span>.<span class="lg-highlight-property">LOCAL</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">writeConcern</span>(<span class="lg-highlight-title lg-highlight-class">WriteConcern</span>.<span class="lg-highlight-property">MAJORITY</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">build</span>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">/* Step 3:</span><span class="lg-highlight-comment"> Define the sequence </span><span class="lg-highlight-comment">of</span><span class="lg-highlight-comment"> operations to perform </span><span class="lg-highlight-comment">inside the transactions. */</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-title lg-highlight-class">TransactionBody</span> txnBody = <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">TransactionBody</span><<span class="lg-highlight-title lg-highlight-class">String</span>>() {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->public <span class="lg-highlight-title lg-highlight-class">String</span> <span class="lg-highlight-title lg-highlight-function">execute</span>() {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">MongoCollection</span><<span class="lg-highlight-title lg-highlight-class">Document</span>> coll1 = client.<span class="lg-highlight-title lg-highlight-function">getDatabase</span>(<span class="lg-highlight-string">"mydb1"</span>).<span class="lg-highlight-title lg-highlight-function">getCollection</span>(<span class="lg-highlight-string">"foo"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">MongoCollection</span><<span class="lg-highlight-title lg-highlight-class">Document</span>> coll2 = client.<span class="lg-highlight-title lg-highlight-function">getDatabase</span>(<span class="lg-highlight-string">"mydb2"</span>).<span class="lg-highlight-title lg-highlight-function">getCollection</span>(<span class="lg-highlight-string">"bar"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">/*</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> Important::</span><span class="lg-highlight-comment"> You must pass </span><span class="lg-highlight-comment">the</span><span class="lg-highlight-comment"> session to the </span><span class="lg-highlight-comment">operations..</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> */</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> coll1.<span class="lg-highlight-title lg-highlight-function">insertOne</span>(clientSession, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Document</span>(<span class="lg-highlight-string">"abc"</span>, <span class="lg-highlight-number">1</span>));</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> coll2.<span class="lg-highlight-title lg-highlight-function">insertOne</span>(clientSession, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Document</span>(<span class="lg-highlight-string">"xyz"</span>, <span class="lg-highlight-number">999</span>));</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> <span class="lg-highlight-string">"Inserted into collections in different databases"</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">};</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">try</span> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">/*</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> Step 4: Use .withTransaction()</span><span class="lg-highlight-comment"> to start a </span><span class="lg-highlight-comment">transaction,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> execute the callback, and commit (or abort on error).</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> */</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> clientSession.<span class="lg-highlight-title lg-highlight-function">withTransaction</span>(txnBody, txnOptions);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">} <span class="lg-highlight-keyword">catch</span> (<span class="lg-highlight-title lg-highlight-class">RuntimeException</span> e) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// some error handling</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">} <span class="lg-highlight-keyword">finally</span> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> clientSession.<span class="lg-highlight-title lg-highlight-function">close</span>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Use the MongoDB driver for your MongoDB version.
</p>
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<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
When using drivers, each operation in the transaction must pass
the session to each operation.
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<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Operations in a transaction use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-read-concern">
transaction-level read
concern
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-write-concern">
transaction-level
write concern
</a>
, and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-read-preference">
transaction-level read preference
<!-- -->
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
You can create collections in transactions implicitly or
explicitly. See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-create-collections-indexes">
Create Collections and Indexes in a Transaction
<!-- -->
.
</a>
</p>
</li>
</ul>
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<p class="leafygreen-ui-1kp3ins">
The example uses the new callback API for working with
transactions, which starts a transaction, executes the
specified operations, and commits (or aborts on error). The
new callback API incorporates retry logic for
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-transient-transaction-error" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
TransientTransactionError
</code>
</span>
</a>
or
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-unknown-transaction-commit-result" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
UnknownTransactionCommitResult
</code>
</span>
</a>
commit errors.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"\n# For a replica set, include the replica set name and a seedlist of the members in the URI string; e.g.\n# uriString = 'mongodb://mongodb0.example.com:27017,mongodb1.example.com:27017/?replicaSet=myRepl'\n# For a sharded cluster, connect to the mongos instances; e.g.\n# uriString = 'mongodb://mongos0.example.com:27017,mongos1.example.com:27017/'\n\nclient = AsyncIOMotorClient(uriString)\nwc_majority = WriteConcern(\"majority\", wtimeout=1000)\n\n# Prereq: Create collections.\nawait client.get_database(\"mydb1\", write_concern=wc_majority).foo.insert_one({\"abc\": 0})\nawait client.get_database(\"mydb2\", write_concern=wc_majority).bar.insert_one({\"xyz\": 0})\n\n# Step 1: Define the callback that specifies the sequence of operations to perform inside the transactions.\nasync def callback(my_session):\n collection_one = my_session.client.mydb1.foo\n collection_two = my_session.client.mydb2.bar\n\n # Important:: You must pass the session to the operations.\n await collection_one.insert_one({\"abc\": 1}, session=my_session)\n await collection_two.insert_one({\"xyz\": 999}, session=my_session)\n\n# Step 2: Start a client session.\nasync with await client.start_session() as session:\n # Step 3: Use with_transaction to start a transaction, execute the callback, and commit (or abort on error).\n await session.with_transaction(\n callback,\n read_concern=ReadConcern(\"local\"),\n write_concern=wc_majority,\n read_preference=ReadPreference.PRIMARY,\n )\n","programmingLanguage":"Python"}
</script>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"># <span class="lg-highlight-title lg-highlight-class">For</span> a replica set, include the replica set name and a seedlist <span class="lg-highlight-keyword">of</span> the members <span class="lg-highlight-keyword">in</span> the <span class="lg-highlight-variable lg-highlight-constant">URI</span> string; e.<span class="lg-highlight-property">g</span>.</td></tr><tr class=""><td class="leafygreen-ui-7razhx"># uriString = <span class="lg-highlight-string">'mongodb://mongodb0.example.com:27017,mongodb1.example.com:27017/?replicaSet=myRepl'</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"># <span class="lg-highlight-title lg-highlight-class">For</span> a sharded cluster, connect to the mongos instances; e.<span class="lg-highlight-property">g</span>.</td></tr><tr class=""><td class="leafygreen-ui-7razhx"># uriString = <span class="lg-highlight-string">'mongodb://mongos0.example.com:27017,mongos1.example.com:27017/'</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">client = <span class="lg-highlight-title lg-highlight-class">AsyncIOMotorClient</span>(uriString)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">wc_majority = <span class="lg-highlight-title lg-highlight-class">WriteConcern</span>(<span class="lg-highlight-string">"majority"</span>, wtimeout=<span class="lg-highlight-number">1000</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"># <span class="lg-highlight-title lg-highlight-class">Prereq</span>: <span class="lg-highlight-title lg-highlight-class">Create</span> collections.</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">await</span> client.<span class="lg-highlight-title lg-highlight-function">get_database</span>(<span class="lg-highlight-string">"mydb1"</span>, write_concern=wc_majority).<span class="lg-highlight-property">foo</span>.<span class="lg-highlight-title lg-highlight-function">insert_one</span>({<span class="lg-highlight-string">"abc"</span>: <span class="lg-highlight-number">0</span>})</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">await</span> client.<span class="lg-highlight-title lg-highlight-function">get_database</span>(<span class="lg-highlight-string">"mydb2"</span>, write_concern=wc_majority).<span class="lg-highlight-property">bar</span>.<span class="lg-highlight-title lg-highlight-function">insert_one</span>({<span class="lg-highlight-string">"xyz"</span>: <span class="lg-highlight-number">0</span>})</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"># <span class="lg-highlight-title lg-highlight-class">Step</span> <span class="lg-highlight-number">1</span>: <span class="lg-highlight-title lg-highlight-class">Define</span> the callback that specifies the sequence <span class="lg-highlight-keyword">of</span> operations to perform inside the transactions.</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">async</span> def <span class="lg-highlight-title lg-highlight-function">callback</span>(my_session):<!-- --></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> collection_one = my_session.<span class="lg-highlight-property">client</span>.<span class="lg-highlight-property">mydb1</span>.<span class="lg-highlight-property">foo</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> collection_two = my_session.<span class="lg-highlight-property">client</span>.<span class="lg-highlight-property">mydb2</span>.<span class="lg-highlight-property">bar</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> # <span class="lg-highlight-title lg-highlight-class">Important</span>:: <span class="lg-highlight-title lg-highlight-class">You</span> must pass the session to the operations.</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">await</span> collection_one.<span class="lg-highlight-title lg-highlight-function">insert_one</span>({<span class="lg-highlight-string">"abc"</span>: <span class="lg-highlight-number">1</span>}, session=my_session)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">await</span> collection_two.<span class="lg-highlight-title lg-highlight-function">insert_one</span>({<span class="lg-highlight-string">"xyz"</span>: <span class="lg-highlight-number">999</span>}, session=my_session)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"># <span class="lg-highlight-title lg-highlight-class">Step</span> <span class="lg-highlight-number">2</span>: <span class="lg-highlight-title lg-highlight-class">Start</span> a client session.</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">async</span> <span class="lg-highlight-keyword">with</span> <span class="lg-highlight-keyword">await</span> client.<span class="lg-highlight-title lg-highlight-function">start_session</span>() <span class="lg-highlight-keyword">as</span> <span class="lg-highlight-attr">session</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> # <span class="lg-highlight-title lg-highlight-class">Step</span> <span class="lg-highlight-number">3</span>: <span class="lg-highlight-title lg-highlight-class">Use</span> with_transaction to start a transaction, execute the callback, and commit (or abort on error).</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">await</span> session.<span class="lg-highlight-title lg-highlight-function">with_transaction</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> callback,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> read_concern=<span class="lg-highlight-title lg-highlight-class">ReadConcern</span>(<span class="lg-highlight-string">"local"</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> write_concern=wc_majority,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> read_preference=<span class="lg-highlight-title lg-highlight-class">ReadPreference</span>.<span class="lg-highlight-property">PRIMARY</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> )</td></tr></tbody></table></code></pre>
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</div>
</div>
</div>
</div>
</div>
</div>
</div>
<div>
<div aria-labelledby="_vupiejc4g" class="" id="_sqe8z2844" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Use the MongoDB driver for your MongoDB version.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
When using drivers, each operation in the transaction must pass
the session to each operation.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Operations in a transaction use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-read-concern">
transaction-level read
concern
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-write-concern">
transaction-level
write concern
</a>
, and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-read-preference">
transaction-level read preference
<!-- -->
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
You can create collections in transactions implicitly or
explicitly. See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-create-collections-indexes">
Create Collections and Indexes in a Transaction
<!-- -->
.
</a>
</p>
</li>
</ul>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The example uses the new callback API for working with
transactions, which starts a transaction, executes the
specified operations, and commits (or aborts on error). The
new callback API incorporates retry logic for
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-transient-transaction-error" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
TransientTransactionError
</code>
</span>
</a>
or
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-unknown-transaction-commit-result" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
UnknownTransactionCommitResult
</code>
</span>
</a>
commit errors.
</p>
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<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-9lvdmr">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> For a replica </span><span class="lg-highlight-comment">set,</span><span class="lg-highlight-comment"> include the replica </span><span class="lg-highlight-comment">set</span><span class="lg-highlight-comment"> name and a </span><span class="lg-highlight-comment">seedlist of</span><span class="lg-highlight-comment"> the members in </span><span class="lg-highlight-comment">the URI string; e.g.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// const uri = 'mongodb://mongodb0.example.com:27017,mongodb1.example.com:27017/?replicaSet=myRepl'</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> For a sharded </span><span class="lg-highlight-comment">cluster,</span><span class="lg-highlight-comment"> connect to the </span><span class="lg-highlight-comment">mongos instances; e.g.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// const uri = 'mongodb://mongos0.example.com:27017,mongos1.example.com:27017/'</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">const</span> client <!-- -->= <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">MongoClient</span>(<!-- -->uri)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">await</span> client.<span class="lg-highlight-title lg-highlight-function">connect</span>(<!-- -->)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// Prereq: Create collections.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">await</span> client</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">db</span>(<span class="lg-highlight-string">'mydb1'</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">collection</span>(<span class="lg-highlight-string">'foo'</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">insertOne</span>(<!-- -->{ <span class="lg-highlight-attr">abc</span>: <span class="lg-highlight-number">0</span> }<!-- -->, <!-- -->{ <span class="lg-highlight-attr">writeConcern</span>: <!-- -->{ <span class="lg-highlight-attr">w</span>: <span class="lg-highlight-string">'majority'</span> } })<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">await</span> client</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">db</span>(<span class="lg-highlight-string">'mydb2'</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">collection</span>(<span class="lg-highlight-string">'bar'</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">insertOne</span>(<!-- -->{ <span class="lg-highlight-attr">xyz</span>: <span class="lg-highlight-number">0</span> }<!-- -->, <!-- -->{ <span class="lg-highlight-attr">writeConcern</span>: <!-- -->{ <span class="lg-highlight-attr">w</span>: <span class="lg-highlight-string">'majority'</span> } })<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// Step 1:</span><span class="lg-highlight-comment"> Start a Client </span><span class="lg-highlight-comment">Session</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">const</span> session <!-- -->= <!-- -->client.<span class="lg-highlight-title lg-highlight-function">startSession</span>(<!-- -->)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// Step 2:</span><span class="lg-highlight-comment"> Optional. Define options </span><span class="lg-highlight-comment">to</span><span class="lg-highlight-comment"> use for the </span><span class="lg-highlight-comment">transaction</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">const</span> transactionOptions <!-- -->= <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">readPreference</span>: <span class="lg-highlight-string">'primary'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">readConcern</span>: <!-- -->{ <span class="lg-highlight-attr">level</span>: <span class="lg-highlight-string">'local'</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">writeConcern</span>: <!-- -->{ <span class="lg-highlight-attr">w</span>: <span class="lg-highlight-string">'majority'</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// Step 3: Use withTransaction</span><span class="lg-highlight-comment"> to start a </span><span class="lg-highlight-comment">transaction, execute the callback, and commit (or abort on error)</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Note: The callback </span><span class="lg-highlight-comment">for withTransaction MUST be async and/or return a Promise.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">try</span> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">await</span> session.<span class="lg-highlight-title lg-highlight-function">withTransaction</span>(<span class="lg-highlight-keyword">async</span> <!-- -->(<!-- -->) <!-- -->=<!-- -->> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">const</span> coll1 <!-- -->= <!-- -->client.<span class="lg-highlight-title lg-highlight-function">db</span>(<span class="lg-highlight-string">'mydb1'</span>).<span class="lg-highlight-title lg-highlight-function">collection</span>(<span class="lg-highlight-string">'foo'</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">const</span> coll2 <!-- -->= <!-- -->client.<span class="lg-highlight-title lg-highlight-function">db</span>(<span class="lg-highlight-string">'mydb2'</span>).<span class="lg-highlight-title lg-highlight-function">collection</span>(<span class="lg-highlight-string">'bar'</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// Important::</span><span class="lg-highlight-comment"> You must pass </span><span class="lg-highlight-comment">the</span><span class="lg-highlight-comment"> session to the </span><span class="lg-highlight-comment">operations</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">await</span> coll1.<span class="lg-highlight-title lg-highlight-function">insertOne</span>(<!-- -->{ <span class="lg-highlight-attr">abc</span>: <span class="lg-highlight-number">1</span> }<!-- -->, <!-- -->{ <!-- -->session })<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">await</span> coll2.<span class="lg-highlight-title lg-highlight-function">insertOne</span>(<!-- -->{ <span class="lg-highlight-attr">xyz</span>: <span class="lg-highlight-number">999</span> }<!-- -->, <!-- -->{ <!-- -->session })<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->, <!-- -->transactionOptions)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->} <span class="lg-highlight-keyword">finally</span> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">await</span> session.<span class="lg-highlight-title lg-highlight-function">endSession</span>(<!-- -->)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">await</span> client.<span class="lg-highlight-title lg-highlight-function">close</span>(<!-- -->)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}</td></tr></tbody></table></code></pre>
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Note
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<p class="leafygreen-ui-1kp3ins">
For the Perl driver, see the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-txn-core-api" target="_self">
<span>
Core API
</span>
</a>
usage example instead.
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<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
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<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Use the MongoDB driver for your MongoDB version.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
When using drivers, each operation in the transaction must pass
the session to each operation.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Operations in a transaction use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-read-concern">
transaction-level read
concern
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-write-concern">
transaction-level
write concern
</a>
, and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-read-preference">
transaction-level read preference
<!-- -->
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
You can create collections in transactions implicitly or
explicitly. See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-create-collections-indexes">
Create Collections and Indexes in a Transaction
<!-- -->
.
</a>
</p>
</li>
</ul>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The example uses the new callback API for working with
transactions, which starts a transaction, executes the
specified operations, and commits (or aborts on error). The
new callback API incorporates retry logic for
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-transient-transaction-error" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
TransientTransactionError
</code>
</span>
</a>
or
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-unknown-transaction-commit-result" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
UnknownTransactionCommitResult
</code>
</span>
</a>
commit errors.
</p>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">/*</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> *</span><span class="lg-highlight-comment"> For a replica </span><span class="lg-highlight-comment">set,</span><span class="lg-highlight-comment"> include the replica </span><span class="lg-highlight-comment">set</span><span class="lg-highlight-comment"> name and a </span><span class="lg-highlight-comment">seedlist of</span><span class="lg-highlight-comment"> the members in </span><span class="lg-highlight-comment">the URI string; e.g.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> * uriString = 'mongodb://mongodb0.example.com:27017,mongodb1.example.com:27017/?replicaSet=myRepl'</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> *</span><span class="lg-highlight-comment"> For a sharded </span><span class="lg-highlight-comment">cluster,</span><span class="lg-highlight-comment"> connect to the </span><span class="lg-highlight-comment">mongos instances; e.g.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> * uriString = 'mongodb://mongos0.example.com:27017,mongos1.example.com:27017/'</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> */</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">$client <!-- -->= <span class="lg-highlight-keyword">new</span> \<span class="lg-highlight-title lg-highlight-class">MongoDB</span>\<span class="lg-highlight-title lg-highlight-class">Client</span>($uriString);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// Prerequisite: Create collections.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">$client-><span class="lg-highlight-title lg-highlight-function">selectCollection</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">'mydb1'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">'foo'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> [</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">'writeConcern'</span> => <span class="lg-highlight-keyword">new</span> \<span class="lg-highlight-title lg-highlight-class">MongoDB</span>\<span class="lg-highlight-title lg-highlight-class">Driver</span>\<span class="lg-highlight-title lg-highlight-class">WriteConcern</span>(<!-- -->\<span class="lg-highlight-title lg-highlight-class">MongoDB</span>\<span class="lg-highlight-title lg-highlight-class">Driver</span>\<span class="lg-highlight-title lg-highlight-class">WriteConcern</span>::<span class="lg-highlight-variable lg-highlight-constant">MAJORITY</span>, <span class="lg-highlight-number">1000</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ],</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)<!-- -->-><span class="lg-highlight-title lg-highlight-function">insertOne</span>([<span class="lg-highlight-string">'abc'</span> <!-- -->=> <span class="lg-highlight-number">0</span>]);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">$client-><span class="lg-highlight-title lg-highlight-function">selectCollection</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">'mydb2'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">'bar'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> [</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">'writeConcern'</span> => <span class="lg-highlight-keyword">new</span> \<span class="lg-highlight-title lg-highlight-class">MongoDB</span>\<span class="lg-highlight-title lg-highlight-class">Driver</span>\<span class="lg-highlight-title lg-highlight-class">WriteConcern</span>(<!-- -->\<span class="lg-highlight-title lg-highlight-class">MongoDB</span>\<span class="lg-highlight-title lg-highlight-class">Driver</span>\<span class="lg-highlight-title lg-highlight-class">WriteConcern</span>::<span class="lg-highlight-variable lg-highlight-constant">MAJORITY</span>, <span class="lg-highlight-number">1000</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ],</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)<!-- -->-><span class="lg-highlight-title lg-highlight-function">insertOne</span>([<span class="lg-highlight-string">'xyz'</span> <!-- -->=> <span class="lg-highlight-number">0</span>]);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// Step 1:</span><span class="lg-highlight-comment"> Define the callback </span><span class="lg-highlight-comment">that</span><span class="lg-highlight-comment"> specifies the sequence </span><span class="lg-highlight-comment">of</span><span class="lg-highlight-comment"> operations to perform </span><span class="lg-highlight-comment">inside the transactions.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">$callback = <span class="lg-highlight-keyword lg-highlight-function">function</span> (<span class="lg-highlight-params">\MongoDB\Driver\Session $session</span>) use ($client): <span class="lg-highlight-keyword">void</span> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> $client</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> -><span class="lg-highlight-title lg-highlight-function">selectCollection</span>(<span class="lg-highlight-string">'mydb1'</span>, <span class="lg-highlight-string">'foo'</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> -><span class="lg-highlight-title lg-highlight-function">insertOne</span>([<span class="lg-highlight-string">'abc'</span> =<!-- -->> <span class="lg-highlight-number">1</span>], [<span class="lg-highlight-string">'session'</span> => $session]);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> $client</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> -><span class="lg-highlight-title lg-highlight-function">selectCollection</span>(<span class="lg-highlight-string">'mydb2'</span>, <span class="lg-highlight-string">'bar'</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> -><span class="lg-highlight-title lg-highlight-function">insertOne</span>([<span class="lg-highlight-string">'xyz'</span> =<!-- -->> <span class="lg-highlight-number">999</span>], [<span class="lg-highlight-string">'session'</span> => $session]);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">};</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// Step 2:</span><span class="lg-highlight-comment"> Start a client </span><span class="lg-highlight-comment">session.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">$session = $client-><!-- --><span class="lg-highlight-title lg-highlight-function">startSession</span>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// Step 3: Use with_transaction</span><span class="lg-highlight-comment"> to start a </span><span class="lg-highlight-comment">transaction, execute the callback, and commit (or abort on error).</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">\<span class="lg-highlight-title lg-highlight-class">MongoDB</span>\<span class="lg-highlight-title lg-highlight-function">with_transaction</span>($session, <!-- -->$callback);</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-1kdmo88">
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Use the MongoDB driver for your MongoDB version.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
When using drivers, each operation in the transaction must pass
the session to each operation.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Operations in a transaction use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-read-concern">
transaction-level read
concern
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-write-concern">
transaction-level
write concern
</a>
, and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-read-preference">
transaction-level read preference
<!-- -->
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
You can create collections in transactions implicitly or
explicitly. See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-create-collections-indexes">
Create Collections and Indexes in a Transaction
<!-- -->
.
</a>
</p>
</li>
</ul>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The example uses the new callback API for working with
transactions, which starts a transaction, executes the
specified operations, and commits (or aborts on error). The
new callback API incorporates retry logic for
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-transient-transaction-error" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
TransientTransactionError
</code>
</span>
</a>
or
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-unknown-transaction-commit-result" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
UnknownTransactionCommitResult
</code>
</span>
</a>
commit errors.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"\n# For a replica set, include the replica set name and a seedlist of the members in the URI string; e.g.\n# uriString = 'mongodb://mongodb0.example.com:27017,mongodb1.example.com:27017/?replicaSet=myRepl'\n# For a sharded cluster, connect to the mongos instances; e.g.\n# uriString = 'mongodb://mongos0.example.com:27017,mongos1.example.com:27017/'\n\nclient = MongoClient(uriString)\nwc_majority = WriteConcern(\"majority\", wtimeout=1000)\n\n# Prereq: Create collections.\nclient.get_database(\"mydb1\", write_concern=wc_majority).foo.insert_one({\"abc\": 0})\nclient.get_database(\"mydb2\", write_concern=wc_majority).bar.insert_one({\"xyz\": 0})\n\n# Step 1: Define the callback that specifies the sequence of operations to perform inside the transactions.\ndef callback(session):\n collection_one = session.client.mydb1.foo\n collection_two = session.client.mydb2.bar\n\n # Important:: You must pass the session to the operations.\n collection_one.insert_one({\"abc\": 1}, session=session)\n collection_two.insert_one({\"xyz\": 999}, session=session)\n\n# Step 2: Start a client session.\nwith client.start_session() as session:\n # Step 3: Use with_transaction to start a transaction, execute the callback, and commit (or abort on error).\n session.with_transaction(\n callback,\n read_concern=ReadConcern(\"local\"),\n write_concern=wc_majority,\n read_preference=ReadPreference.PRIMARY,\n )\n","programmingLanguage":"Python"}
</script>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"># <span class="lg-highlight-title lg-highlight-class">For</span> a replica set, include the replica set name and a seedlist <span class="lg-highlight-keyword">of</span> the members <span class="lg-highlight-keyword">in</span> the <span class="lg-highlight-variable lg-highlight-constant">URI</span> string; e.<span class="lg-highlight-property">g</span>.</td></tr><tr class=""><td class="leafygreen-ui-7razhx"># uriString = <span class="lg-highlight-string">'mongodb://mongodb0.example.com:27017,mongodb1.example.com:27017/?replicaSet=myRepl'</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"># <span class="lg-highlight-title lg-highlight-class">For</span> a sharded cluster, connect to the mongos instances; e.<span class="lg-highlight-property">g</span>.</td></tr><tr class=""><td class="leafygreen-ui-7razhx"># uriString = <span class="lg-highlight-string">'mongodb://mongos0.example.com:27017,mongos1.example.com:27017/'</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">client = <span class="lg-highlight-title lg-highlight-class">MongoClient</span>(uriString)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">wc_majority = <span class="lg-highlight-title lg-highlight-class">WriteConcern</span>(<span class="lg-highlight-string">"majority"</span>, wtimeout=<span class="lg-highlight-number">1000</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"># <span class="lg-highlight-title lg-highlight-class">Prereq</span>: <span class="lg-highlight-title lg-highlight-class">Create</span> collections.</td></tr><tr class=""><td class="leafygreen-ui-7razhx">client.<span class="lg-highlight-title lg-highlight-function">get_database</span>(<span class="lg-highlight-string">"mydb1"</span>, write_concern=wc_majority).<span class="lg-highlight-property">foo</span>.<span class="lg-highlight-title lg-highlight-function">insert_one</span>({<span class="lg-highlight-string">"abc"</span>: <span class="lg-highlight-number">0</span>})</td></tr><tr class=""><td class="leafygreen-ui-7razhx">client.<span class="lg-highlight-title lg-highlight-function">get_database</span>(<span class="lg-highlight-string">"mydb2"</span>, write_concern=wc_majority).<span class="lg-highlight-property">bar</span>.<span class="lg-highlight-title lg-highlight-function">insert_one</span>({<span class="lg-highlight-string">"xyz"</span>: <span class="lg-highlight-number">0</span>})</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"># <span class="lg-highlight-title lg-highlight-class">Step</span> <span class="lg-highlight-number">1</span>: <span class="lg-highlight-title lg-highlight-class">Define</span> the callback that specifies the sequence <span class="lg-highlight-keyword">of</span> operations to perform inside the transactions.</td></tr><tr class=""><td class="leafygreen-ui-7razhx">def <span class="lg-highlight-title lg-highlight-function">callback</span>(session)<!-- -->:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> collection_one = session.<span class="lg-highlight-property">client</span>.<span class="lg-highlight-property">mydb1</span>.<span class="lg-highlight-property">foo</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> collection_two = session.<span class="lg-highlight-property">client</span>.<span class="lg-highlight-property">mydb2</span>.<span class="lg-highlight-property">bar</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> # <span class="lg-highlight-title lg-highlight-class">Important</span>:: <span class="lg-highlight-title lg-highlight-class">You</span> must pass the session to the operations.</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> collection_one.<span class="lg-highlight-title lg-highlight-function">insert_one</span>({<span class="lg-highlight-string">"abc"</span>: <span class="lg-highlight-number">1</span>}, session=session)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> collection_two.<span class="lg-highlight-title lg-highlight-function">insert_one</span>({<span class="lg-highlight-string">"xyz"</span>: <span class="lg-highlight-number">999</span>}, session=session)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"># <span class="lg-highlight-title lg-highlight-class">Step</span> <span class="lg-highlight-number">2</span>: <span class="lg-highlight-title lg-highlight-class">Start</span> a client session.</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">with</span> client.<span class="lg-highlight-title lg-highlight-function">start_session</span>() <span class="lg-highlight-keyword">as</span> <span class="lg-highlight-attr">session</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> # <span class="lg-highlight-title lg-highlight-class">Step</span> <span class="lg-highlight-number">3</span>: <span class="lg-highlight-title lg-highlight-class">Use</span> with_transaction to start a transaction, execute the callback, and commit (or abort on error).</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> session.<span class="lg-highlight-title lg-highlight-function">with_transaction</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> callback,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> read_concern=<span class="lg-highlight-title lg-highlight-class">ReadConcern</span>(<span class="lg-highlight-string">"local"</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> write_concern=wc_majority,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> read_preference=<span class="lg-highlight-title lg-highlight-class">ReadPreference</span>.<span class="lg-highlight-property">PRIMARY</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> )</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-1kdmo88">
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Use the MongoDB driver for your MongoDB version.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
When using drivers, each operation in the transaction must pass
the session to each operation.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
Operations in a transaction use
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-read-concern">
transaction-level read
concern
</a>
,
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-write-concern">
transaction-level
write concern
</a>
, and
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-read-preference">
transaction-level read preference
<!-- -->
.
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
You can create collections in transactions implicitly or
explicitly. See
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/transactions/#std-label-transactions-create-collections-indexes">
Create Collections and Indexes in a Transaction
<!-- -->
.
</a>
</p>
</li>
</ul>
</div>
</div>
<p class="leafygreen-ui-1kp3ins">
The example uses the new callback API for working with
transactions, which starts a transaction, executes the
specified operations, and commits (or aborts on error). The
new callback API incorporates retry logic for
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-transient-transaction-error" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
TransientTransactionError
</code>
</span>
</a>
or
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-unknown-transaction-commit-result" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
UnknownTransactionCommitResult
</code>
</span>
</a>
commit errors.
</p>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"\n# For a replica set, include the replica set name and a seedlist of the members in the URI string; e.g.\n# uriString = 'mongodb://mongodb0.example.com:27017,mongodb1.example.com:27017/?replicaSet=myRepl'\n# For a sharded cluster, connect to the mongos instances; e.g.\n# uri_string = 'mongodb://mongos0.example.com:27017,mongos1.example.com:27017/'\n\nclient = Mongo::Client.new(uri_string, write_concern: {w: :majority, wtimeout: 1000})\n\n# Prereq: Create collections.\n\nclient.use('mydb1')['foo'].insert_one(abc: 0)\nclient.use('mydb2')['bar'].insert_one(xyz: 0)\n\n# Step 1: Define the callback that specifies the sequence of operations to perform inside the transactions.\n\ncallback = Proc.new do |my_session|\n collection_one = client.use('mydb1')['foo']\n collection_two = client.use('mydb2')['bar']\n\n # Important: You must pass the session to the operations.\n\n collection_one.insert_one({'abc': 1}, session: my_session)\n collection_two.insert_one({'xyz': 999}, session: my_session)\nend\n\n#. Step 2: Start a client session.\n\nsession = client.start_session\n\n# Step 3: Use with_transaction to start a transaction, execute the callback, and commit (or abort on error).\n\nsession.with_transaction(\n read_concern: {level: :local},\n write_concern: {w: :majority, wtimeout: 1000},\n read: {mode: :primary},\n &callback)\n","programmingLanguage":"Ruby"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"># <span class="lg-highlight-title lg-highlight-class">For</span> a replica set, include the replica set name and a seedlist <span class="lg-highlight-keyword">of</span> the members <span class="lg-highlight-keyword">in</span> the <span class="lg-highlight-variable lg-highlight-constant">URI</span> string; e.<span class="lg-highlight-property">g</span>.</td></tr><tr class=""><td class="leafygreen-ui-7razhx"># uriString = <span class="lg-highlight-string">'mongodb://mongodb0.example.com:27017,mongodb1.example.com:27017/?replicaSet=myRepl'</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"># <span class="lg-highlight-title lg-highlight-class">For</span> a sharded cluster, connect to the mongos instances; e.<span class="lg-highlight-property">g</span>.</td></tr><tr class=""><td class="leafygreen-ui-7razhx"># uri_string = <span class="lg-highlight-string">'mongodb://mongos0.example.com:27017,mongos1.example.com:27017/'</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">client <!-- -->= <span class="lg-highlight-title lg-highlight-class">Mongo</span>:<!-- -->:<!-- --><!-- --><span class="lg-highlight-title lg-highlight-class">Client</span>.<span class="lg-highlight-title lg-highlight-function">new</span>(uri_string, <span class="lg-highlight-attr">write_concern</span>: {<span class="lg-highlight-attr">w</span>: :majority, <span class="lg-highlight-attr">wtimeout</span>: <span class="lg-highlight-number">1000</span>})</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"># <span class="lg-highlight-title lg-highlight-class">Prereq</span>: <span class="lg-highlight-title lg-highlight-class">Create</span> collections.</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">client.<!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">use</span>(<span class="lg-highlight-string">'mydb1'</span>)<!-- -->[<span class="lg-highlight-string">'foo'</span>].<span class="lg-highlight-title lg-highlight-function">insert_one</span>(<span class="lg-highlight-attr">abc</span>: <span class="lg-highlight-number">0</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">client.<!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">use</span>(<span class="lg-highlight-string">'mydb2'</span>)<!-- -->[<span class="lg-highlight-string">'bar'</span>].<span class="lg-highlight-title lg-highlight-function">insert_one</span>(<span class="lg-highlight-attr">xyz</span>: <span class="lg-highlight-number">0</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"># <span class="lg-highlight-title lg-highlight-class">Step</span> <span class="lg-highlight-number">1</span>: <span class="lg-highlight-title lg-highlight-class">Define</span> the callback that specifies the sequence <span class="lg-highlight-keyword">of</span> operations to perform inside the transactions.</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">callback <!-- -->= <span class="lg-highlight-title lg-highlight-class">Proc</span>.<span class="lg-highlight-property">new</span> <span class="lg-highlight-keyword">do</span> |my_session|</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->collection_one <!-- -->= <!-- -->client.<span class="lg-highlight-title lg-highlight-function">use</span>(<!-- --><span class="lg-highlight-string">'mydb1'</span>)[<span class="lg-highlight-string">'foo'</span>]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> collection_two <!-- -->= <!-- -->client.<!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">use</span>(<span class="lg-highlight-string">'mydb2'</span>)[<span class="lg-highlight-string">'bar'</span>]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> # <span class="lg-highlight-title lg-highlight-class">Important</span>: <span class="lg-highlight-title lg-highlight-class">You</span> must pass the session to the operations.</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> collection_one.<!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">insert_one</span>(<!-- -->{<span class="lg-highlight-string">'abc'</span>: <span class="lg-highlight-number">1</span>}, <span class="lg-highlight-attr">session</span>: my_session)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> collection_two.<!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">insert_one</span>(<!-- -->{<span class="lg-highlight-string">'xyz'</span>: <span class="lg-highlight-number">999</span>}, <span class="lg-highlight-attr">session</span>: my_session)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">end</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">#. <span class="lg-highlight-title lg-highlight-class">Step</span> <span class="lg-highlight-number">2</span>: <span class="lg-highlight-title lg-highlight-class">Start</span> a client session.</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">session <!-- -->= <!-- -->client.<span class="lg-highlight-property">start_session</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"># <span class="lg-highlight-title lg-highlight-class">Step</span> <span class="lg-highlight-number">3</span>: <span class="lg-highlight-title lg-highlight-class">Use</span> with_transaction to start a transaction, execute the callback, and commit (or abort on error).</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">session.<!-- --><span class="lg-highlight-title lg-highlight-function">with_transaction</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">read_concern</span>: <!-- -->{<span class="lg-highlight-attr">level</span>: :local},<!-- --></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">write_concern</span>: <!-- -->{<span class="lg-highlight-attr">w</span>: :majority, <span class="lg-highlight-attr">wtimeout</span>: <span class="lg-highlight-number">1000</span>}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">read</span>: <!-- -->{<span class="lg-highlight-attr">mode</span>: :primary},<!-- --></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->&<!-- -->callback)</td></tr></tbody></table></code></pre>
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<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
For the Scala driver, see the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-txn-core-api" target="_self">
<span>
Core API
</span>
</a>
usage example instead.
</p>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<span class="leafygreen-ui-1qnjd6d" id="std-label-txn-core-api">
</span>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Core API
<a class="headerlink leafygreen-ui-1kepx47" href="#core-api" title="Permalink to this heading">
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</h2>
<p class="leafygreen-ui-1kp3ins">
The core transaction API does not incorporate retry logic for errors
labeled:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-transient-transaction-error" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
TransientTransactionError
</code>
</span>
</a>
. If an operation in a transaction
returns an error labeled
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-transient-transaction-error" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
TransientTransactionError
</code>
</span>
</a>
, the
transaction as a whole can be retried.
</p>
<p class="leafygreen-ui-1kp3ins">
To handle
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-transient-transaction-error" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
TransientTransactionError
</code>
</span>
</a>
, applications should
explicitly incorporate retry logic for the error.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-unknown-transaction-commit-result" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
UnknownTransactionCommitResult
</code>
</span>
</a>
. If the commit returns an
error labeled
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-unknown-transaction-commit-result" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
UnknownTransactionCommitResult
</code>
</span>
</a>
, the commit
can be retried.
</p>
<p class="leafygreen-ui-1kp3ins">
To handle
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-unknown-transaction-commit-result" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
UnknownTransactionCommitResult
</code>
</span>
</a>
,
applications should explicitly incorporate retry logic for the error.
</p>
</li>
</ul>
<span class="leafygreen-ui-1qnjd6d" id="std-label-txn-core-api-retry">
</span>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
Example
<a class="headerlink leafygreen-ui-1kepx47" href="#example-1" title="Permalink to this heading">
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</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="example-1">
</div>
</a>
</h3>
<hr class="css-1unva0n e4ru7ww0"/>
<p class="leafygreen-ui-1kp3ins">
➤
<!-- -->
Use the
<strong>
Select your language
</strong>
drop-down menu in the
upper-right to set the language of the examples on this page.
</p>
<hr class="css-1unva0n e4ru7ww0"/>
<p class="leafygreen-ui-1kp3ins">
The following example incorporates logic to retry the transaction for
transient errors and retry the commit for unknown commit error:
</p>
<div aria-hidden="true">
</div>
<div class="leafygreen-ui-f2qztv" data-lgid="lg-tabs">
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C++11
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C#
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Java (Sync)
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Motor
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Node.js
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Perl
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PHP
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Python
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Ruby
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Scala
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<div class="leafygreen-ui-1kdmo88">
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"/* takes a session, an out-param for server reply, and out-param for error. */\ntypedef bool (*txn_func_t) (mongoc_client_session_t *, bson_t *, bson_error_t *);\n\n\n/* runs transactions with retry logic */\nbool\nrun_transaction_with_retry (txn_func_t txn_func, mongoc_client_session_t *cs, bson_error_t *error)\n{\n bson_t reply;\n bool r;\n\n while (true) {\n /* perform transaction */\n r = txn_func (cs, &reply, error);\n if (r) {\n /* success */\n bson_destroy (&reply);\n return true;\n }\n\n MONGOC_WARNING (\"Transaction aborted: %s\", error->message);\n if (mongoc_error_has_label (&reply, \"TransientTransactionError\")) {\n /* on transient error, retry the whole transaction */\n MONGOC_WARNING (\"TransientTransactionError, retrying transaction...\");\n bson_destroy (&reply);\n } else {\n /* non-transient error */\n break;\n }\n }\n\n bson_destroy (&reply);\n return false;\n}\n\n\n/* commit transactions with retry logic */\nbool\ncommit_with_retry (mongoc_client_session_t *cs, bson_error_t *error)\n{\n bson_t reply;\n bool r;\n\n while (true) {\n /* commit uses write concern set at transaction start, see\n * mongoc_transaction_opts_set_write_concern */\n r = mongoc_client_session_commit_transaction (cs, &reply, error);\n if (r) {\n MONGOC_DEBUG (\"Transaction committed\");\n break;\n }\n\n if (mongoc_error_has_label (&reply, \"UnknownTransactionCommitResult\")) {\n MONGOC_WARNING (\"UnknownTransactionCommitResult, retrying commit ...\");\n bson_destroy (&reply);\n } else {\n /* commit failed, cannot retry */\n break;\n }\n }\n\n bson_destroy (&reply);\n\n return r;\n}\n\n\n/* updates two collections in a transaction and calls commit_with_retry */\nbool\nupdate_employee_info (mongoc_client_session_t *cs, bson_t *reply, bson_error_t *error)\n{\n mongoc_client_t *client;\n mongoc_collection_t *employees;\n mongoc_collection_t *events;\n mongoc_read_concern_t *rc;\n mongoc_write_concern_t *wc;\n mongoc_transaction_opt_t *txn_opts;\n bson_t opts = BSON_INITIALIZER;\n bson_t *filter = NULL;\n bson_t *update = NULL;\n bson_t *event = NULL;\n bool r;\n\n bson_init (reply);\n\n client = mongoc_client_session_get_client (cs);\n employees = mongoc_client_get_collection (client, \"hr\", \"employees\");\n events = mongoc_client_get_collection (client, \"reporting\", \"events\");\n\n rc = mongoc_read_concern_new ();\n mongoc_read_concern_set_level (rc, MONGOC_READ_CONCERN_LEVEL_SNAPSHOT);\n wc = mongoc_write_concern_new ();\n mongoc_write_concern_set_w (\n wc, MONGOC_WRITE_CONCERN_W_MAJORITY); /* Atlas connection strings include majority by default*/\n txn_opts = mongoc_transaction_opts_new ();\n mongoc_transaction_opts_set_read_concern (txn_opts, rc);\n mongoc_transaction_opts_set_write_concern (txn_opts, wc);\n\n r = mongoc_client_session_start_transaction (cs, txn_opts, error);\n if (!r) {\n goto done;\n }\n\n r = mongoc_client_session_append (cs, &opts, error);\n if (!r) {\n goto done;\n }\n\n filter = BCON_NEW (\"employee\", BCON_INT32 (3));\n update = BCON_NEW (\"$set\", \"{\", \"status\", \"Inactive\", \"}\");\n /* mongoc_collection_update_one will reinitialize reply */\n bson_destroy (reply);\n r = mongoc_collection_update_one (employees, filter, update, &opts, reply, error);\n\n if (!r) {\n goto abort;\n }\n\n event = BCON_NEW (\"employee\", BCON_INT32 (3));\n BCON_APPEND (event, \"status\", \"{\", \"new\", \"Inactive\", \"old\", \"Active\", \"}\");\n\n bson_destroy (reply);\n r = mongoc_collection_insert_one (events, event, &opts, reply, error);\n if (!r) {\n goto abort;\n }\n\n r = commit_with_retry (cs, error);\n\nabort:\n if (!r) {\n MONGOC_ERROR (\"Aborting due to error in transaction: %s\", error->message);\n mongoc_client_session_abort_transaction (cs, NULL);\n }\n\ndone:\n mongoc_collection_destroy (employees);\n mongoc_collection_destroy (events);\n mongoc_read_concern_destroy (rc);\n mongoc_write_concern_destroy (wc);\n mongoc_transaction_opts_destroy (txn_opts);\n bson_destroy (&opts);\n bson_destroy (filter);\n bson_destroy (update);\n bson_destroy (event);\n\n return r;\n}\n\n\nvoid\nexample_func (mongoc_client_t *client)\n{\n mongoc_client_session_t *cs;\n bson_error_t error;\n bool r;\n\n ASSERT (client);\n\n cs = mongoc_client_start_session (client, NULL, &error);\n if (!cs) {\n MONGOC_ERROR (\"Could not start session: %s\", error.message);\n return;\n }\n\n r = run_transaction_with_retry (update_employee_info, cs, &error);\n if (!r) {\n MONGOC_ERROR (\"Could not update employee, permanent error: %s\", error.message);\n }\n\n mongoc_client_session_destroy (cs);\n}","programmingLanguage":"C"}
</script>
<div class="css-16lmvu9">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-9lvdmr">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">/* takes a session, an</span><span class="lg-highlight-comment"> out-param for server </span><span class="lg-highlight-comment">reply,</span><span class="lg-highlight-comment"> and out-param for </span><span class="lg-highlight-comment">error. */</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">typedef bool (*txn_func_t) (mongoc_client_session_t *, bson_t *, bson_error_t *);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">/*</span><span class="lg-highlight-comment"> runs transactions with </span><span class="lg-highlight-comment">retry logic */</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">bool</td></tr><tr class=""><td class="leafygreen-ui-7razhx">run_transaction_with_retry (txn_func_t txn_func, mongoc_client_session_t *cs, bson_error_t *error)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bson_t reply;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bool r;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">while</span> <!-- -->(<span class="lg-highlight-literal">true</span>) <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">/* perform transaction */</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->r <!-- -->= <!-- -->txn_func (cs, &reply, error);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> <!-- -->(<!-- -->r) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">/* success */</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->bson_destroy <!-- -->(&reply);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> <span class="lg-highlight-literal">true</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><span class="lg-highlight-variable lg-highlight-constant">MONGOC_WARNING</span> (<!-- --><span class="lg-highlight-string">"Transaction aborted: %s"</span>, error->message);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> <!-- -->(<!-- -->mongoc_error_has_label (&<!-- -->reply<!-- -->, <span class="lg-highlight-string">"TransientTransactionError"</span>)) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">/* on transient error,</span><span class="lg-highlight-comment"> retry the whole </span><span class="lg-highlight-comment">transaction */</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><span class="lg-highlight-variable lg-highlight-constant">MONGOC_WARNING</span> (<!-- --><span class="lg-highlight-string">"TransientTransactionError, retrying transaction..."</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->bson_destroy <!-- -->(&reply);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> } <span class="lg-highlight-keyword">else</span> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">/* non-transient error */</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">break</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bson_destroy <!-- -->(<!-- -->&reply);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> <span class="lg-highlight-literal">false</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">/*</span><span class="lg-highlight-comment"> commit transactions with </span><span class="lg-highlight-comment">retry logic */</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">bool</td></tr><tr class=""><td class="leafygreen-ui-7razhx">commit_with_retry (mongoc_client_session_t *cs, bson_error_t *error)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bson_t reply;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bool r;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">while</span> <!-- -->(<span class="lg-highlight-literal">true</span>) <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">/*</span><span class="lg-highlight-comment"> commit uses write </span><span class="lg-highlight-comment">concern</span><span class="lg-highlight-comment"> set at transaction </span><span class="lg-highlight-comment">start, see</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> * mongoc_transaction_opts_set_write_concern */</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->r <!-- -->= <!-- -->mongoc_client_session_commit_transaction (cs, &reply, error);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> <!-- -->(<!-- -->r) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><span class="lg-highlight-variable lg-highlight-constant">MONGOC_DEBUG</span> (<!-- --><span class="lg-highlight-string">"Transaction committed"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">break</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> <!-- -->(<!-- -->mongoc_error_has_label (&<!-- -->reply<!-- -->, <span class="lg-highlight-string">"UnknownTransactionCommitResult"</span>)) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><span class="lg-highlight-variable lg-highlight-constant">MONGOC_WARNING</span> (<!-- --><span class="lg-highlight-string">"UnknownTransactionCommitResult, retrying commit ..."</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->bson_destroy <!-- -->(&reply);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> } <span class="lg-highlight-keyword">else</span> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">/* commit failed, cannot retry */</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">break</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bson_destroy <!-- -->(<!-- -->&reply);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> r;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">/*</span><span class="lg-highlight-comment"> updates two collections </span><span class="lg-highlight-comment">in</span><span class="lg-highlight-comment"> a transaction and </span><span class="lg-highlight-comment">calls commit_with_retry */</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">bool</td></tr><tr class=""><td class="leafygreen-ui-7razhx">update_employee_info (mongoc_client_session_t *cs, bson_t *reply, bson_error_t *error)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> mongoc_client_t *client;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> mongoc_collection_t *employees;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> mongoc_collection_t *events;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> mongoc_read_concern_t *rc;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> mongoc_write_concern_t *wc;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> mongoc_transaction_opt_t *txn_opts;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bson_t opts = <!-- --><span class="lg-highlight-variable lg-highlight-constant">BSON_INITIALIZER</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bson_t *<!-- -->filter = <span class="lg-highlight-variable lg-highlight-constant">NULL</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bson_t *<!-- -->update = <span class="lg-highlight-variable lg-highlight-constant">NULL</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bson_t *<!-- -->event = <span class="lg-highlight-variable lg-highlight-constant">NULL</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bool r;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->bson_init <!-- -->(reply);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->client <!-- -->= <!-- -->mongoc_client_session_get_client (cs);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->employees <!-- -->= mongoc_client_get_collection (client, <!-- --><span class="lg-highlight-string">"hr"</span>, <span class="lg-highlight-string">"employees"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->events <!-- -->= mongoc_client_get_collection (client, <!-- --><span class="lg-highlight-string">"reporting"</span>, <span class="lg-highlight-string">"events"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->rc <!-- -->= <!-- -->mongoc_read_concern_new ();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->mongoc_read_concern_set_level <!-- -->(rc, <span class="lg-highlight-variable lg-highlight-constant">MONGOC_READ_CONCERN_LEVEL_SNAPSHOT</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wc <!-- -->= <!-- -->mongoc_write_concern_new ();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->mongoc_write_concern_set_w (</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wc, <span class="lg-highlight-variable lg-highlight-constant">MONGOC_WRITE_CONCERN_W_MAJORITY</span>); <span class="lg-highlight-comment">/*</span><span class="lg-highlight-comment"> Atlas connection strings </span><span class="lg-highlight-comment">include majority by default*/</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->txn_opts <!-- -->= <!-- -->mongoc_transaction_opts_new ();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->mongoc_transaction_opts_set_read_concern <!-- -->(txn_opts, rc);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->mongoc_transaction_opts_set_write_concern <!-- -->(txn_opts, wc);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->r <!-- -->= <!-- -->mongoc_client_session_start_transaction (cs, txn_opts, error);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> <!-- -->(<!-- -->!r) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> goto done;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> r <!-- -->= <!-- -->mongoc_client_session_append <!-- -->(cs, &opts, error);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> <!-- -->(<!-- -->!r) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> goto done;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> filter <!-- -->= <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_NEW</span> (<!-- --><!-- --><span class="lg-highlight-string">"employee"</span>, <span class="lg-highlight-variable lg-highlight-constant">BCON_INT32</span> <!-- -->(<span class="lg-highlight-number">3</span>));</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->update <!-- -->= <span class="lg-highlight-variable lg-highlight-constant">BCON_NEW</span> <!-- -->(<span class="lg-highlight-string">"$set"</span>, <span class="lg-highlight-string">"{"</span>, <span class="lg-highlight-string">"status"</span>, <span class="lg-highlight-string">"Inactive"</span>, <span class="lg-highlight-string">"}"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">/* mongoc_collection_update_one</span><span class="lg-highlight-comment"> will reinitialize reply </span><span class="lg-highlight-comment">*/</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->bson_destroy <!-- -->(reply);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->r <!-- -->= <!-- -->mongoc_collection_update_one (employees, filter, update, &opts, reply, error);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> <!-- -->(<!-- -->!r) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> goto abort;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> event <!-- -->= <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_NEW</span> (<!-- --><!-- --><span class="lg-highlight-string">"employee"</span>, <span class="lg-highlight-variable lg-highlight-constant">BCON_INT32</span> <!-- -->(<span class="lg-highlight-number">3</span>));</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><span class="lg-highlight-variable lg-highlight-constant">BCON_APPEND</span> (event, <span class="lg-highlight-string">"status"</span>, <span class="lg-highlight-string">"{"</span>, <span class="lg-highlight-string">"new"</span>, <span class="lg-highlight-string">"Inactive"</span>, <span class="lg-highlight-string">"old"</span>, <!-- --><span class="lg-highlight-string">"Active"</span>, <span class="lg-highlight-string">"}"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->bson_destroy <!-- -->(reply);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->r <!-- -->= <!-- -->mongoc_collection_insert_one (events, event, &opts, reply, error);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> <!-- -->(<!-- -->!r) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> goto abort;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> r <!-- -->= <!-- -->commit_with_retry <!-- -->(cs, error);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">abort</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> <!-- -->(<!-- -->!r) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><span class="lg-highlight-variable lg-highlight-constant">MONGOC_ERROR</span> (<!-- --><span class="lg-highlight-string">"Aborting due to error in transaction: %s"</span>, error->message);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->mongoc_client_session_abort_transaction (cs<!-- -->, <span class="lg-highlight-variable lg-highlight-constant">NULL</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-attr">done</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->mongoc_collection_destroy <!-- -->(employees);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->mongoc_collection_destroy <!-- -->(events);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->mongoc_read_concern_destroy <!-- -->(rc);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->mongoc_write_concern_destroy <!-- -->(wc);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->mongoc_transaction_opts_destroy <!-- -->(txn_opts);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->bson_destroy <!-- -->(&opts);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->bson_destroy <!-- -->(filter);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->bson_destroy <!-- -->(update);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->bson_destroy <!-- -->(event);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> r;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">void</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">example_func (mongoc_client_t *client)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> mongoc_client_session_t *cs;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bson_error_t error;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> bool r;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><!-- --><span class="lg-highlight-variable lg-highlight-constant">ASSERT</span> (client);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->cs <!-- -->= mongoc_client_start_session (<!-- -->client, <span class="lg-highlight-variable lg-highlight-constant">NULL</span>, &error);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> <!-- -->(<!-- -->!cs) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><span class="lg-highlight-variable lg-highlight-constant">MONGOC_ERROR</span> (<!-- --><span class="lg-highlight-string">"Could not start session: %s"</span>, error.<span class="lg-highlight-property">message</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> r <!-- -->= <!-- -->run_transaction_with_retry <!-- -->(update_employee_info, cs, &error);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> <!-- -->(<!-- -->!r) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><span class="lg-highlight-variable lg-highlight-constant">MONGOC_ERROR</span> (<!-- --><span class="lg-highlight-string">"Could not update employee, permanent error: %s"</span>, error.<span class="lg-highlight-property">message</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> mongoc_client_session_destroy <!-- -->(<!-- -->cs);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"using transaction_func = std::function<void(client_session>;\nauto run_transaction_with_retry = [](transaction_func txn_func, client_session& session) {\n while (true) {\n try {\n txn_func(session); // performs transaction.\n break;\n } catch (const operation_exception& oe) {\n std::cout << \"Transaction aborted. Caught exception during transaction.\"\n << std::endl;\n // If transient error, retry the whole transaction.\n if (oe.has_error_label(\"TransientTransactionError\")) {\n std::cout << \"TransientTransactionError, retrying transaction ...\"\n << std::endl;\n continue;\n } else {\n throw oe;\n }\n }\n }\n};\n\nauto commit_with_retry = [](client_session& session) {\n while (true) {\n try {\n session.commit_transaction(); // Uses write concern set at transaction start.\n std::cout << \"Transaction committed.\" << std::endl;\n break;\n } catch (const operation_exception& oe) {\n // Can retry commit\n if (oe.has_error_label(\"UnknownTransactionCommitResult\")) {\n std::cout << \"UnknownTransactionCommitResult, retrying commit operation ...\"\n << std::endl;\n continue;\n } else {\n std::cout << \"Error during commit ...\" << std::endl;\n throw oe;\n }\n }\n }\n};\n\n// Updates two collections in a transaction\nauto update_employee_info = [&](client_session& session) {\n auto& client = session.client();\n auto employees = client[\"hr\"][\"employees\"];\n auto events = client[\"reporting\"][\"events\"];\n\n options::transaction txn_opts;\n read_concern rc;\n rc.acknowledge_level(read_concern::level::k_snapshot);\n txn_opts.read_concern(rc);\n write_concern wc;\n wc.acknowledge_level(write_concern::level::k_majority);\n txn_opts.write_concern(wc);\n\n session.start_transaction(txn_opts);\n\n try {\n employees.update_one(\n make_document(kvp(\"employee\", 3)),\n make_document(kvp(\"$set\", make_document(kvp(\"status\", \"Inactive\")))));\n events.insert_one(make_document(\n kvp(\"employee\", 3),\n kvp(\"status\", make_document(kvp(\"new\", \"Inactive\"), kvp(\"old\", \"Active\")))));\n } catch (const operation_exception& oe) {\n std::cout << \"Caught exception during transaction, aborting.\" << std::endl;\n session.abort_transaction();\n throw oe;\n }\n\n commit_with_retry(session);\n};\n\nauto session = client.start_session();\ntry {\n run_transaction_with_retry(update_employee_info, session);\n} catch (const operation_exception& oe) {\n // Do something with error.\n throw oe;\n}","programmingLanguage":"C++"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">using transaction_func = <!-- --><span class="lg-highlight-attr">std</span>::<!-- --><span class="lg-highlight-keyword lg-highlight-function">function</span><<span class="lg-highlight-title lg-highlight-function">void</span>(client_session & session)>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">auto run_transaction_with_retry = <!-- -->[<!-- -->]<!-- -->(transaction_func txn_func, client_session& session) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">while</span> <!-- -->(<span class="lg-highlight-literal">true</span>) <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">try</span> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">txn_func</span>(<!-- -->session)<!-- -->; <span class="lg-highlight-comment">// performs transaction.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">break</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->} <span class="lg-highlight-keyword">catch</span> <!-- -->(<span class="lg-highlight-keyword">const</span> operation_exception& oe) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><!-- --><span class="lg-highlight-attr">std</span>::cout << <span class="lg-highlight-string">"Transaction aborted. Caught exception during transaction."</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><< <!-- --><span class="lg-highlight-attr">std</span>::endl;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// If transient error,</span><span class="lg-highlight-comment"> retry the whole </span><span class="lg-highlight-comment">transaction.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> <!-- -->(<!-- -->oe.<span class="lg-highlight-title lg-highlight-function">has_error_label</span>(<span class="lg-highlight-string">"TransientTransactionError"</span>)) <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><!-- --><span class="lg-highlight-attr">std</span>::cout << <span class="lg-highlight-string">"TransientTransactionError, retrying transaction ..."</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><< <!-- --><span class="lg-highlight-attr">std</span>::endl;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">continue</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> } <span class="lg-highlight-keyword">else</span> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">throw</span> oe;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">};</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">auto commit_with_retry = <!-- -->[<!-- -->]<!-- -->(client_session& session) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">while</span> <!-- -->(<span class="lg-highlight-literal">true</span>) <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">try</span> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->session.<span class="lg-highlight-title lg-highlight-function">commit_transaction</span>(<!-- -->); <span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Uses write concern </span><span class="lg-highlight-comment">set at transaction start.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><!-- --><span class="lg-highlight-attr">std</span>::cout <!-- --><< <!-- --><span class="lg-highlight-string">"Transaction committed."</span> << <span class="lg-highlight-attr">std</span>::endl;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">break</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->} <span class="lg-highlight-keyword">catch</span> <!-- -->(<span class="lg-highlight-keyword">const</span> operation_exception& oe) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// Can retry commit</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> <!-- -->(<!-- -->oe.<span class="lg-highlight-title lg-highlight-function">has_error_label</span>(<span class="lg-highlight-string">"UnknownTransactionCommitResult"</span>)) <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><!-- --><span class="lg-highlight-attr">std</span>::cout << <span class="lg-highlight-string">"UnknownTransactionCommitResult, retrying commit operation ..."</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><< <!-- --><span class="lg-highlight-attr">std</span>::endl;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">continue</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> } <span class="lg-highlight-keyword">else</span> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">std</span>::cout << <span class="lg-highlight-string">"Error during commit ..."</span> << <span class="lg-highlight-attr">std</span>::endl;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">throw</span> oe;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">};</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Updates two collections </span><span class="lg-highlight-comment">in a transaction</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">auto update_employee_info = <!-- -->[<!-- -->&<!-- -->](client_session& session) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> auto& client = <!-- -->session.<span class="lg-highlight-title lg-highlight-function">client</span>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> auto employees = <!-- -->client[<span class="lg-highlight-string">"hr"</span>][<span class="lg-highlight-string">"employees"</span>];</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> auto events = <!-- -->client[<span class="lg-highlight-string">"reporting"</span>][<span class="lg-highlight-string">"events"</span>];</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><!-- --><span class="lg-highlight-attr">options</span>::transaction txn_opts;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> read_concern rc;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->rc.<span class="lg-highlight-title lg-highlight-function">acknowledge_level</span>(<span class="lg-highlight-attr">read_concern</span>::<span class="lg-highlight-attr">level</span>::k_snapshot);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->txn_opts.<span class="lg-highlight-title lg-highlight-function">read_concern</span>(rc);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> write_concern wc;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->wc.<span class="lg-highlight-title lg-highlight-function">acknowledge_level</span>(<span class="lg-highlight-attr">write_concern</span>::<span class="lg-highlight-attr">level</span>::k_majority);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->txn_opts.<span class="lg-highlight-title lg-highlight-function">write_concern</span>(wc);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->session.<span class="lg-highlight-title lg-highlight-function">start_transaction</span>(txn_opts);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">try</span> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> employees.<span class="lg-highlight-title lg-highlight-function">update_one</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">make_document</span>(<span class="lg-highlight-title lg-highlight-function">kvp</span>(<span class="lg-highlight-string">"employee"</span>, <span class="lg-highlight-number">3</span>))<!-- -->,<!-- --></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">make_document</span>(<span class="lg-highlight-title lg-highlight-function">kvp</span>(<span class="lg-highlight-string">"$set"</span>, <span class="lg-highlight-title lg-highlight-function">make_document</span>(<span class="lg-highlight-title lg-highlight-function">kvp</span>(<span class="lg-highlight-string">"status"</span>, <span class="lg-highlight-string">"Inactive"</span>)))))<!-- -->;<!-- --><!-- --><!-- --><!-- --></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> events.<span class="lg-highlight-title lg-highlight-function">insert_one</span>(<span class="lg-highlight-title lg-highlight-function">make_document</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">kvp</span>(<span class="lg-highlight-string">"employee"</span>, <span class="lg-highlight-number">3</span>)<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">kvp</span>(<span class="lg-highlight-string">"status"</span>, <span class="lg-highlight-title lg-highlight-function">make_document</span>(<span class="lg-highlight-title lg-highlight-function">kvp</span>(<span class="lg-highlight-string">"new"</span>, <span class="lg-highlight-string">"Inactive"</span>)<!-- -->, <span class="lg-highlight-title lg-highlight-function">kvp</span>(<span class="lg-highlight-string">"old"</span>, <span class="lg-highlight-string">"Active"</span>)))))<!-- -->;<!-- --><!-- --><!-- --><!-- --></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->} <span class="lg-highlight-keyword">catch</span> <!-- -->(<span class="lg-highlight-keyword">const</span> operation_exception& oe) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><!-- --><span class="lg-highlight-attr">std</span>::cout <!-- --><< <!-- --><span class="lg-highlight-string">"Caught exception during transaction, aborting."</span> << <span class="lg-highlight-attr">std</span>::endl;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->session.<span class="lg-highlight-title lg-highlight-function">abort_transaction</span>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">throw</span> oe;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">commit_with_retry</span>(<!-- -->session);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">};</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">auto session = <!-- -->client.<span class="lg-highlight-title lg-highlight-function">start_session</span>(<!-- -->);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">try</span> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">run_transaction_with_retry</span>(<!-- -->update_employee_info, session);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">} <span class="lg-highlight-keyword">catch</span> <!-- -->(<span class="lg-highlight-keyword">const</span> operation_exception<!-- -->& oe) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// Do something with error.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">throw</span> oe;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">public <span class="lg-highlight-keyword">void</span> <span class="lg-highlight-title lg-highlight-class">RunTransactionWithRetry</span>(<span class="lg-highlight-title lg-highlight-class">Action</span><<span class="lg-highlight-title lg-highlight-class">IMongoClient</span>, <span class="lg-highlight-title lg-highlight-class">IClientSessionHandle</span>> txnFunc, <span class="lg-highlight-title lg-highlight-class">IMongoClient</span> client, <span class="lg-highlight-title lg-highlight-class">IClientSessionHandle</span> session)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">while</span> (<span class="lg-highlight-literal">true</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">try</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">txnFunc</span>(client, session); <span class="lg-highlight-comment">// performs transaction</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">break</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">catch</span> (<span class="lg-highlight-title lg-highlight-class">MongoException</span> exception)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// if transient error,</span><span class="lg-highlight-comment"> retry the whole </span><span class="lg-highlight-comment">transaction</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> (exception.<span class="lg-highlight-title lg-highlight-class">HasErrorLabel</span>(<span class="lg-highlight-string">"TransientTransactionError"</span>))</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Console</span>.<span class="lg-highlight-title lg-highlight-class">WriteLine</span>(<span class="lg-highlight-string">"TransientTransactionError, retrying transaction."</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">continue</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">else</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">throw</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">public <span class="lg-highlight-keyword">void</span> <span class="lg-highlight-title lg-highlight-class">CommitWithRetry</span>(<span class="lg-highlight-title lg-highlight-class">IClientSessionHandle</span> session)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">while</span> (<span class="lg-highlight-literal">true</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">try</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> session.<span class="lg-highlight-title lg-highlight-class">CommitTransaction</span>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Console</span>.<span class="lg-highlight-title lg-highlight-class">WriteLine</span>(<span class="lg-highlight-string">"Transaction committed."</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">break</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">catch</span> (<span class="lg-highlight-title lg-highlight-class">MongoException</span> exception)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// can retry commit</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> (exception.<span class="lg-highlight-title lg-highlight-class">HasErrorLabel</span>(<span class="lg-highlight-string">"UnknownTransactionCommitResult"</span>))</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Console</span>.<span class="lg-highlight-title lg-highlight-class">WriteLine</span>(<span class="lg-highlight-string">"UnknownTransactionCommitResult, retrying commit operation"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">continue</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">else</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Console</span>.<span class="lg-highlight-title lg-highlight-class">WriteLine</span>($<span class="lg-highlight-string">"Error during commit: {exception.Message}."</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">throw</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> updates two collections </span><span class="lg-highlight-comment">in a transaction</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">public <span class="lg-highlight-keyword">void</span> <span class="lg-highlight-title lg-highlight-class">UpdateEmployeeInfo</span>(<span class="lg-highlight-title lg-highlight-class">IMongoClient</span> client, <span class="lg-highlight-title lg-highlight-class">IClientSessionHandle</span> session)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">var</span> employeesCollection = client.<span class="lg-highlight-title lg-highlight-class">GetDatabase</span>(<span class="lg-highlight-string">"hr"</span>).<span class="lg-highlight-property">GetCollection</span><<span class="lg-highlight-title lg-highlight-class">BsonDocument</span>>(<span class="lg-highlight-string">"employees"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">var</span> eventsCollection = client.<span class="lg-highlight-title lg-highlight-class">GetDatabase</span>(<span class="lg-highlight-string">"reporting"</span>).<span class="lg-highlight-property">GetCollection</span><<span class="lg-highlight-title lg-highlight-class">BsonDocument</span>>(<span class="lg-highlight-string">"events"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> session.<span class="lg-highlight-title lg-highlight-class">StartTransaction</span>(<span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">TransactionOptions</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">readConcern</span>: <span class="lg-highlight-title lg-highlight-class">ReadConcern</span>.<span class="lg-highlight-property">Snapshot</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">writeConcern</span>: <span class="lg-highlight-title lg-highlight-class">WriteConcern</span>.<span class="lg-highlight-property">WMajority</span>));</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">try</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> employeesCollection.<span class="lg-highlight-title lg-highlight-class">UpdateOne</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> session,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Builders</span><<span class="lg-highlight-title lg-highlight-class">BsonDocument</span>>.<span class="lg-highlight-property">Filter</span>.<span class="lg-highlight-title lg-highlight-class">Eq</span>(<span class="lg-highlight-string">"employee"</span>, <span class="lg-highlight-number">3</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Builders</span><<span class="lg-highlight-title lg-highlight-class">BsonDocument</span>>.<span class="lg-highlight-property">Update</span>.<span class="lg-highlight-title lg-highlight-class">Set</span>(<span class="lg-highlight-string">"status"</span>, <span class="lg-highlight-string">"Inactive"</span>));</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> eventsCollection.<span class="lg-highlight-title lg-highlight-class">InsertOne</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> session,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"employee"</span>, <span class="lg-highlight-number">3</span> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> { <span class="lg-highlight-string">"status"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">BsonDocument</span> { { <span class="lg-highlight-string">"new"</span>, <span class="lg-highlight-string">"Inactive"</span> }, { <span class="lg-highlight-string">"old"</span>, <span class="lg-highlight-string">"Active"</span> } } }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> });</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">catch</span> (<span class="lg-highlight-title lg-highlight-class">Exception</span> exception)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Console</span>.<span class="lg-highlight-title lg-highlight-class">WriteLine</span>($<span class="lg-highlight-string">"Caught exception during transaction, aborting: {exception.Message}."</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> session.<span class="lg-highlight-title lg-highlight-class">AbortTransaction</span>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">throw</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">CommitWithRetry</span>(session);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">public <span class="lg-highlight-keyword">void</span> <span class="lg-highlight-title lg-highlight-class">UpdateEmployeeInfoWithTransactionRetry</span>(<span class="lg-highlight-title lg-highlight-class">IMongoClient</span> client)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// start a session</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> using (<span class="lg-highlight-keyword">var</span> session = client.<span class="lg-highlight-title lg-highlight-class">StartSession</span>())</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">try</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">RunTransactionWithRetry</span>(<span class="lg-highlight-title lg-highlight-class">UpdateEmployeeInfo</span>, client, session);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">catch</span> (<span class="lg-highlight-title lg-highlight-class">Exception</span> exception)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// do something with error</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Console</span>.<span class="lg-highlight-title lg-highlight-class">WriteLine</span>($<span class="lg-highlight-string">"Non transient exception caught during transaction: ${exception.Message}."</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"\n\trunTransactionWithRetry := func(ctx context.Context, txnFn func(context.Context) error) error {\n\t\tfor {\n\t\t\terr := txnFn(ctx) // Performs transaction.\n\t\t\tif err == nil {\n\t\t\t\treturn nil\n\t\t\t}\n\n\t\t\tlog.Println(\"Transaction aborted. Caught exception during transaction.\")\n\n\t\t\t// If transient error, retry the whole transaction\n\t\t\tif cmdErr, ok := err.(mongo.CommandError); ok && cmdErr.HasErrorLabel(\"TransientTransactionError\") {\n\t\t\t\tlog.Println(\"TransientTransactionError, retrying transaction...\")\n\t\t\t\tcontinue\n\t\t\t}\n\t\t\treturn err\n\t\t}\n\t}\n\n\tcommitWithRetry := func(ctx context.Context) error {\n\t\tsess := mongo.SessionFromContext(ctx)\n\n\t\tfor {\n\t\t\terr := sess.CommitTransaction(ctx)\n\t\t\tswitch e := err.(type) {\n\t\t\tcase nil:\n\t\t\t\tlog.Println(\"Transaction committed.\")\n\t\t\t\treturn nil\n\t\t\tcase mongo.CommandError:\n\t\t\t\t// Can retry commit\n\t\t\t\tif e.HasErrorLabel(\"UnknownTransactionCommitResult\") {\n\t\t\t\t\tlog.Println(\"UnknownTransactionCommitResult, retrying commit operation...\")\n\t\t\t\t\tcontinue\n\t\t\t\t}\n\t\t\t\tlog.Println(\"Error during commit...\")\n\t\t\t\treturn e\n\t\t\tdefault:\n\t\t\t\tlog.Println(\"Error during commit...\")\n\t\t\t\treturn e\n\t\t\t}\n\t\t}\n\t}\n\n\t// Updates two collections in a transaction.\n\tupdateEmployeeInfo := func(ctx context.Context) error {\n\t\temployees := client.Database(\"hr\").Collection(\"employees\")\n\t\tevents := client.Database(\"reporting\").Collection(\"events\")\n\n\t\tsess := mongo.SessionFromContext(ctx)\n\n\t\terr := sess.StartTransaction(options.Transaction().\n\t\t\tSetReadConcern(readconcern.Snapshot()).\n\t\t\tSetWriteConcern(writeconcern.Majority()),\n\t\t)\n\t\tif err != nil {\n\t\t\treturn err\n\t\t}\n\n\t\t_, err = employees.UpdateOne(ctx, bson.D{{\"employee\", 3}}, bson.D{{\"$set\", bson.D{{\"status\", \"Inactive\"}}}})\n\t\tif err != nil {\n\t\t\tsess.AbortTransaction(ctx)\n\t\t\tlog.Println(\"caught exception during transaction, aborting.\")\n\t\t\treturn err\n\t\t}\n\t\t_, err = events.InsertOne(ctx, bson.D{{\"employee\", 3}, {\"status\", bson.D{{\"new\", \"Inactive\"}, {\"old\", \"Active\"}}}})\n\t\tif err != nil {\n\t\t\tsess.AbortTransaction(ctx)\n\t\t\tlog.Println(\"caught exception during transaction, aborting.\")\n\t\t\treturn err\n\t\t}\n\n\t\treturn commitWithRetry(ctx)\n\t}\n\n\ttxnOpts := options.Transaction().SetReadPreference(readpref.Primary())\n\n\treturn client.UseSessionWithOptions(\n\t\tctx, options.Session().SetDefaultTransactionOptions(txnOpts),\n\t\tfunc(ctx context.Context) error {\n\t\t\treturn runTransactionWithRetry(ctx, updateEmployeeInfo)\n\t\t},\n\t)\n}\n","programmingLanguage":"Golang"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"> runTransactionWithRetry <!-- -->:<!-- -->= <span class="lg-highlight-title lg-highlight-function">func</span>(ctx context.<span class="lg-highlight-property">Context</span>, txnFn <span class="lg-highlight-title lg-highlight-function">func</span>(context.<span class="lg-highlight-property">Context</span>) error) error {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">for</span> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->err <!-- -->:= <span class="lg-highlight-title lg-highlight-function">txnFn</span>(ctx) <span class="lg-highlight-comment">// Performs transaction.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> err == nil {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> nil</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> log.<span class="lg-highlight-title lg-highlight-class">Println</span>(<span class="lg-highlight-string">"Transaction aborted. Caught exception during transaction."</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// If transient error,</span><span class="lg-highlight-comment"> retry the whole </span><span class="lg-highlight-comment">transaction</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> cmdErr<!-- -->, <!-- -->ok := err.(mongo.<span class="lg-highlight-property">CommandError</span>); ok && cmdErr.<span class="lg-highlight-title lg-highlight-class">HasErrorLabel</span>(<span class="lg-highlight-string">"TransientTransactionError"</span>) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> log.<span class="lg-highlight-title lg-highlight-class">Println</span>(<span class="lg-highlight-string">"TransientTransactionError, retrying transaction..."</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">continue</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> err</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> commitWithRetry <!-- -->:<!-- -->= <span class="lg-highlight-title lg-highlight-function">func</span>(ctx context.<span class="lg-highlight-property">Context</span>) error {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->sess <!-- -->:= mongo.<span class="lg-highlight-title lg-highlight-class">SessionFromContext</span>(ctx)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">for</span> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->err <!-- -->:= sess.<span class="lg-highlight-title lg-highlight-class">CommitTransaction</span>(ctx)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">switch</span> e <!-- -->:<!-- -->= err.(type) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">case</span> <span class="lg-highlight-attr">nil</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> log.<span class="lg-highlight-title lg-highlight-class">Println</span>(<span class="lg-highlight-string">"Transaction committed."</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> nil</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">case</span> mongo.<span class="lg-highlight-property">CommandError</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// Can retry commit</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> e.<span class="lg-highlight-title lg-highlight-class">HasErrorLabel</span>(<span class="lg-highlight-string">"UnknownTransactionCommitResult"</span>) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> log.<span class="lg-highlight-title lg-highlight-class">Println</span>(<span class="lg-highlight-string">"UnknownTransactionCommitResult, retrying commit operation..."</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">continue</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> log.<span class="lg-highlight-title lg-highlight-class">Println</span>(<span class="lg-highlight-string">"Error during commit..."</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> e</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">default</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> log.<span class="lg-highlight-title lg-highlight-class">Println</span>(<span class="lg-highlight-string">"Error during commit..."</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> e</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Updates two collections </span><span class="lg-highlight-comment">in a transaction.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> updateEmployeeInfo <!-- -->:<!-- -->= <span class="lg-highlight-title lg-highlight-function">func</span>(ctx context.<span class="lg-highlight-property">Context</span>) error {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->employees <!-- -->:= client.<span class="lg-highlight-title lg-highlight-class">Database</span>(<span class="lg-highlight-string">"hr"</span>).<span class="lg-highlight-title lg-highlight-class">Collection</span>(<span class="lg-highlight-string">"employees"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> events <!-- -->:<!-- -->= client.<span class="lg-highlight-title lg-highlight-class">Database</span>(<span class="lg-highlight-string">"reporting"</span>).<span class="lg-highlight-title lg-highlight-class">Collection</span>(<span class="lg-highlight-string">"events"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> sess <!-- -->:<!-- -->= mongo.<span class="lg-highlight-title lg-highlight-class">SessionFromContext</span>(ctx)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> err <!-- -->:<!-- -->= sess.<span class="lg-highlight-title lg-highlight-class">StartTransaction</span>(options.<span class="lg-highlight-title lg-highlight-class">Transaction</span>().</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">SetReadConcern</span>(readconcern.<span class="lg-highlight-title lg-highlight-class">Snapshot</span>()).</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">SetWriteConcern</span>(writeconcern.<span class="lg-highlight-title lg-highlight-class">Majority</span>()),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> )</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> err != nil {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> err</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> _, err = employees.<span class="lg-highlight-title lg-highlight-class">UpdateOne</span>(ctx, bson.<span class="lg-highlight-property">D</span>{{<span class="lg-highlight-string">"employee"</span>, <span class="lg-highlight-number">3</span>}}, bson.<span class="lg-highlight-property">D</span>{{<span class="lg-highlight-string">"$set"</span>, bson.<span class="lg-highlight-property">D</span>{{<span class="lg-highlight-string">"status"</span>, <span class="lg-highlight-string">"Inactive"</span>}}}})</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> err != nil {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> sess.<span class="lg-highlight-title lg-highlight-class">AbortTransaction</span>(ctx)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> log.<span class="lg-highlight-title lg-highlight-class">Println</span>(<span class="lg-highlight-string">"caught exception during transaction, aborting."</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> err</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> _, err = events.<span class="lg-highlight-title lg-highlight-class">InsertOne</span>(ctx, bson.<span class="lg-highlight-property">D</span>{{<span class="lg-highlight-string">"employee"</span>, <span class="lg-highlight-number">3</span>}, {<span class="lg-highlight-string">"status"</span>, bson.<span class="lg-highlight-property">D</span>{{<span class="lg-highlight-string">"new"</span>, <span class="lg-highlight-string">"Inactive"</span>}, {<span class="lg-highlight-string">"old"</span>, <span class="lg-highlight-string">"Active"</span>}}}})</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> err != nil {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> sess.<span class="lg-highlight-title lg-highlight-class">AbortTransaction</span>(ctx)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> log.<span class="lg-highlight-title lg-highlight-class">Println</span>(<span class="lg-highlight-string">"caught exception during transaction, aborting."</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> err</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> <span class="lg-highlight-title lg-highlight-function">commitWithRetry</span>(ctx)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> txnOpts <!-- -->:<!-- -->= options.<span class="lg-highlight-title lg-highlight-class">Transaction</span>().<span class="lg-highlight-title lg-highlight-class">SetReadPreference</span>(readpref.<span class="lg-highlight-title lg-highlight-class">Primary</span>())</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> client.<span class="lg-highlight-title lg-highlight-class">UseSessionWithOptions</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ctx, options.<span class="lg-highlight-title lg-highlight-class">Session</span>().<span class="lg-highlight-title lg-highlight-class">SetDefaultTransactionOptions</span>(txnOpts),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">func</span>(ctx context.<span class="lg-highlight-property">Context</span>) error {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span> <span class="lg-highlight-title lg-highlight-function">runTransactionWithRetry</span>(ctx, updateEmployeeInfo)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> )</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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Important
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To associate read and write operations with a transaction, you
<strong>
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pass the session to each operation in the transaction.
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">void</span> <span class="lg-highlight-title lg-highlight-function">runTransactionWithRetry</span>(<span class="lg-highlight-params">Runnable transactional</span>) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">while</span> (<span class="lg-highlight-literal">true</span>) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">try</span> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> transactional.<span class="lg-highlight-title lg-highlight-function">run</span>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">break</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> } <span class="lg-highlight-keyword">catch</span> (<span class="lg-highlight-title lg-highlight-class">MongoException</span> e) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">System</span>.<span class="lg-highlight-property">out</span>.<span class="lg-highlight-title lg-highlight-function">println</span>(<span class="lg-highlight-string">"Transaction aborted. Caught exception during transaction."</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> (e.<span class="lg-highlight-title lg-highlight-function">hasErrorLabel</span>(<span class="lg-highlight-title lg-highlight-class">MongoException</span>.<span class="lg-highlight-property">TRANSIENT_TRANSACTION_ERROR_LABEL</span>)) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">System</span>.<span class="lg-highlight-property">out</span>.<span class="lg-highlight-title lg-highlight-function">println</span>(<span class="lg-highlight-string">"TransientTransactionError, aborting transaction and retrying ..."</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">continue</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> } <span class="lg-highlight-keyword">else</span> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">throw</span> e;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">void</span> <span class="lg-highlight-title lg-highlight-function">commitWithRetry</span>(<span class="lg-highlight-params">ClientSession clientSession</span>) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">while</span> (<span class="lg-highlight-literal">true</span>) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">try</span> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> clientSession.<span class="lg-highlight-title lg-highlight-function">commitTransaction</span>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">System</span>.<span class="lg-highlight-property">out</span>.<span class="lg-highlight-title lg-highlight-function">println</span>(<span class="lg-highlight-string">"Transaction committed"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">break</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> } <span class="lg-highlight-keyword">catch</span> (<span class="lg-highlight-title lg-highlight-class">MongoException</span> e) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// can retry commit</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> (e.<span class="lg-highlight-title lg-highlight-function">hasErrorLabel</span>(<span class="lg-highlight-title lg-highlight-class">MongoException</span>.<span class="lg-highlight-property">UNKNOWN_TRANSACTION_COMMIT_RESULT_LABEL</span>)) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">System</span>.<span class="lg-highlight-property">out</span>.<span class="lg-highlight-title lg-highlight-function">println</span>(<span class="lg-highlight-string">"UnknownTransactionCommitResult, retrying commit operation ..."</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">continue</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> } <span class="lg-highlight-keyword">else</span> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">System</span>.<span class="lg-highlight-property">out</span>.<span class="lg-highlight-title lg-highlight-function">println</span>(<span class="lg-highlight-string">"Exception during commit ..."</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">throw</span> e;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">void</span> <span class="lg-highlight-title lg-highlight-function">updateEmployeeInfo</span>() {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">MongoCollection</span><<span class="lg-highlight-title lg-highlight-class">Document</span>> employeesCollection = client.<span class="lg-highlight-title lg-highlight-function">getDatabase</span>(<span class="lg-highlight-string">"hr"</span>).<span class="lg-highlight-title lg-highlight-function">getCollection</span>(<span class="lg-highlight-string">"employees"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">MongoCollection</span><<span class="lg-highlight-title lg-highlight-class">Document</span>> eventsCollection = client.<span class="lg-highlight-title lg-highlight-function">getDatabase</span>(<span class="lg-highlight-string">"reporting"</span>).<span class="lg-highlight-title lg-highlight-function">getCollection</span>(<span class="lg-highlight-string">"events"</span>);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">TransactionOptions</span> txnOptions = <span class="lg-highlight-title lg-highlight-class">TransactionOptions</span>.<span class="lg-highlight-title lg-highlight-function">builder</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">readPreference</span>(<span class="lg-highlight-title lg-highlight-class">ReadPreference</span>.<span class="lg-highlight-title lg-highlight-function">primary</span>())</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">readConcern</span>(<span class="lg-highlight-title lg-highlight-class">ReadConcern</span>.<span class="lg-highlight-property">MAJORITY</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">writeConcern</span>(<span class="lg-highlight-title lg-highlight-class">WriteConcern</span>.<span class="lg-highlight-property">MAJORITY</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">build</span>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">try</span> (<span class="lg-highlight-title lg-highlight-class">ClientSession</span> clientSession = client.<span class="lg-highlight-title lg-highlight-function">startSession</span>()) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> clientSession.<span class="lg-highlight-title lg-highlight-function">startTransaction</span>(txnOptions);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> employeesCollection.<span class="lg-highlight-title lg-highlight-function">updateOne</span>(clientSession,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Filters</span>.<span class="lg-highlight-title lg-highlight-function">eq</span>(<span class="lg-highlight-string">"employee"</span>, <span class="lg-highlight-number">3</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-class">Updates</span>.<span class="lg-highlight-title lg-highlight-function">set</span>(<span class="lg-highlight-string">"status"</span>, <span class="lg-highlight-string">"Inactive"</span>));</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> eventsCollection.<span class="lg-highlight-title lg-highlight-function">insertOne</span>(clientSession,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Document</span>(<span class="lg-highlight-string">"employee"</span>, <span class="lg-highlight-number">3</span>).<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"status"</span>, <span class="lg-highlight-keyword">new</span> <span class="lg-highlight-title lg-highlight-class">Document</span>(<span class="lg-highlight-string">"new"</span>, <span class="lg-highlight-string">"Inactive"</span>).<span class="lg-highlight-title lg-highlight-function">append</span>(<span class="lg-highlight-string">"old"</span>, <span class="lg-highlight-string">"Active"</span>)));</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">commitWithRetry</span>(clientSession);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">void</span> <span class="lg-highlight-title lg-highlight-function">updateEmployeeInfoWithRetry</span>() {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">runTransactionWithRetry</span>(<span class="lg-highlight-attr">this</span>::updateEmployeeInfo);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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Node.js
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<div aria-labelledby="_tx5b9tock" class="leafygreen-ui-38lglc" id="_qmz1n5rcx" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
For Motor, see the
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-txn-callback-api" target="_self">
<span>
Callback API
</span>
</a>
instead.
</p>
</div>
</div>
</div>
</div>
</div>
<div>
<div aria-labelledby="_3pr7cdju7" class="" id="_q9665h185" role="tabpanel">
<div class="leafygreen-ui-1kdmo88">
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
To associate read and write operations with a transaction, you
<strong>
must
</strong>
pass the session to each operation in the transaction.
</p>
</div>
</div>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"async function commitWithRetry(session) {\n try {\n await session.commitTransaction();\n console.log('Transaction committed.');\n } catch (error) {\n if (error.hasErrorLabel('UnknownTransactionCommitResult')) {\n console.log('UnknownTransactionCommitResult, retrying commit operation ...');\n await commitWithRetry(session);\n } else {\n console.log('Error during commit ...');\n throw error;\n }\n }\n}\n\nasync function runTransactionWithRetry(txnFunc, client, session) {\n try {\n await txnFunc(client, session);\n } catch (error) {\n console.log('Transaction aborted. Caught exception during transaction.');\n\n // If transient error, retry the whole transaction\n if (error.hasErrorLabel('TransientTransactionError')) {\n console.log('TransientTransactionError, retrying transaction ...');\n await runTransactionWithRetry(txnFunc, client, session);\n } else {\n throw error;\n }\n }\n}\n\nasync function updateEmployeeInfo(client, session) {\n session.startTransaction({\n readConcern: { level: 'snapshot' },\n writeConcern: { w: 'majority' },\n readPreference: 'primary'\n });\n\n const employeesCollection = client.db('hr').collection('employees');\n const eventsCollection = client.db('reporting').collection('events');\n\n await employeesCollection.updateOne(\n { employee: 3 },\n { $set: { status: 'Inactive' } },\n { session }\n );\n await eventsCollection.insertOne(\n {\n employee: 3,\n status: { new: 'Inactive', old: 'Active' }\n },\n { session }\n );\n\n try {\n await commitWithRetry(session);\n } catch (error) {\n await session.abortTransaction();\n throw error;\n }\n}\n\nreturn client.withSession(session =>\n runTransactionWithRetry(updateEmployeeInfo, client, session)\n);","programmingLanguage":"JavaScript"}
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<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-9lvdmr">
<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">async</span> <span class="lg-highlight-keyword lg-highlight-function">function</span> <span class="lg-highlight-title lg-highlight-function">commitWithRetry</span>(<span class="lg-highlight-params">session</span>)<!-- --> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">try</span> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">await</span> session.<span class="lg-highlight-title lg-highlight-function">commitTransaction</span>(<!-- -->)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-variable lg-highlight-language">console</span>.<span class="lg-highlight-title lg-highlight-function">log</span>(<span class="lg-highlight-string">'Transaction committed.'</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->} <span class="lg-highlight-keyword">catch</span> <!-- -->(<!-- -->error) <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> <!-- -->(<!-- -->error.<span class="lg-highlight-title lg-highlight-function">hasErrorLabel</span>(<span class="lg-highlight-string">'UnknownTransactionCommitResult'</span>)) <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-variable lg-highlight-language">console</span>.<span class="lg-highlight-title lg-highlight-function">log</span>(<span class="lg-highlight-string">'UnknownTransactionCommitResult, retrying commit operation ...'</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">await</span> <span class="lg-highlight-title lg-highlight-function">commitWithRetry</span>(<!-- -->session)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->} <span class="lg-highlight-keyword">else</span> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-variable lg-highlight-language">console</span>.<span class="lg-highlight-title lg-highlight-function">log</span>(<span class="lg-highlight-string">'Error during commit ...'</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">throw</span> <!-- -->error<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">async</span> <span class="lg-highlight-keyword lg-highlight-function">function</span> <span class="lg-highlight-title lg-highlight-function">runTransactionWithRetry</span>(<span class="lg-highlight-params">txnFunc, client, session</span>)<!-- --> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">try</span> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">await</span> <span class="lg-highlight-title lg-highlight-function">txnFunc</span>(<!-- -->client<!-- -->, <!-- -->session)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->} <span class="lg-highlight-keyword">catch</span> <!-- -->(<!-- -->error) <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-variable lg-highlight-language">console</span>.<span class="lg-highlight-title lg-highlight-function">log</span>(<span class="lg-highlight-string">'Transaction aborted. Caught exception during transaction.'</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// If transient error,</span><span class="lg-highlight-comment"> retry the whole </span><span class="lg-highlight-comment">transaction</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> <!-- -->(<!-- -->error.<span class="lg-highlight-title lg-highlight-function">hasErrorLabel</span>(<span class="lg-highlight-string">'TransientTransactionError'</span>)) <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-variable lg-highlight-language">console</span>.<span class="lg-highlight-title lg-highlight-function">log</span>(<span class="lg-highlight-string">'TransientTransactionError, retrying transaction ...'</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">await</span> <span class="lg-highlight-title lg-highlight-function">runTransactionWithRetry</span>(<!-- -->txnFunc<!-- -->, <!-- -->client<!-- -->, <!-- -->session)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->} <span class="lg-highlight-keyword">else</span> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">throw</span> <!-- -->error<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">async</span> <span class="lg-highlight-keyword lg-highlight-function">function</span> <span class="lg-highlight-title lg-highlight-function">updateEmployeeInfo</span>(<span class="lg-highlight-params">client, session</span>)<!-- --> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->session.<span class="lg-highlight-title lg-highlight-function">startTransaction</span>(<!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">readConcern</span>: <!-- -->{ <span class="lg-highlight-attr">level</span>: <span class="lg-highlight-string">'snapshot'</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">writeConcern</span>: <!-- -->{ <span class="lg-highlight-attr">w</span>: <span class="lg-highlight-string">'majority'</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">readPreference</span>: <span class="lg-highlight-string">'primary'</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> })<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">const</span> employeesCollection <!-- -->= <!-- -->client.<span class="lg-highlight-title lg-highlight-function">db</span>(<span class="lg-highlight-string">'hr'</span>).<span class="lg-highlight-title lg-highlight-function">collection</span>(<span class="lg-highlight-string">'employees'</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">const</span> eventsCollection <!-- -->= <!-- -->client.<span class="lg-highlight-title lg-highlight-function">db</span>(<span class="lg-highlight-string">'reporting'</span>).<span class="lg-highlight-title lg-highlight-function">collection</span>(<span class="lg-highlight-string">'events'</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">await</span> employeesCollection.<span class="lg-highlight-title lg-highlight-function">updateOne</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">employee</span>: <span class="lg-highlight-number">3</span> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">$set</span>: <!-- -->{ <span class="lg-highlight-attr">status</span>: <span class="lg-highlight-string">'Inactive'</span> } }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <!-- -->session }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> )<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">await</span> eventsCollection.<span class="lg-highlight-title lg-highlight-function">insertOne</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">employee</span>: <span class="lg-highlight-number">3</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">status</span>: <!-- -->{ <span class="lg-highlight-attr">new</span>: <span class="lg-highlight-string">'Inactive'</span>, <span class="lg-highlight-attr">old</span>: <span class="lg-highlight-string">'Active'</span> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <!-- -->session }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> )<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">try</span> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">await</span> <span class="lg-highlight-title lg-highlight-function">commitWithRetry</span>(<!-- -->session)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->} <span class="lg-highlight-keyword">catch</span> <!-- -->(<!-- -->error) <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">await</span> session.<span class="lg-highlight-title lg-highlight-function">abortTransaction</span>(<!-- -->)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">throw</span> <!-- -->error<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">return</span> <!-- -->client.<span class="lg-highlight-title lg-highlight-function">withSession</span>(<span class="lg-highlight-params lg-highlight-function">session</span><span class="lg-highlight-function"> =></span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">runTransactionWithRetry</span>(<!-- -->updateEmployeeInfo<!-- -->, <!-- -->client<!-- -->, <!-- -->session)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)<!-- -->;</td></tr></tbody></table></code></pre>
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Important
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To associate read and write operations with a transaction, you
<strong>
must
</strong>
pass the session to each operation in the transaction.
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"sub runTransactionWithRetry {\n my ( $txnFunc, $session ) = @_;\n\n LOOP: {\n eval {\n $txnFunc->($session); # performs transaction\n };\n if ( my $error = $@ ) {\n print(\"Transaction aborted-> Caught exception during transaction.\\n\");\n # If transient error, retry the whole transaction\n if ( $error->has_error_label(\"TransientTransactionError\") ) {\n print(\"TransientTransactionError, retrying transaction ->..\\n\");\n redo LOOP;\n }\n else {\n die $error;\n }\n }\n }\n\n return;\n}\n\nsub commitWithRetry {\n my ($session) = @_;\n\n LOOP: {\n eval {\n $session->commit_transaction(); # Uses write concern set at transaction start.\n print(\"Transaction committed->\\n\");\n };\n if ( my $error = $@ ) {\n # Can retry commit\n if ( $error->has_error_label(\"UnknownTransactionCommitResult\") ) {\n print(\"UnknownTransactionCommitResult, retrying commit operation ->..\\n\");\n redo LOOP;\n }\n else {\n print(\"Error during commit ->..\\n\");\n die $error;\n }\n }\n }\n\n return;\n}\n\n# Updates two collections in a transactions\n\nsub updateEmployeeInfo {\n my ($session) = @_;\n my $employeesCollection = $session->client->ns(\"hr.employees\");\n my $eventsCollection = $session->client->ns(\"reporting.events\");\n\n $session->start_transaction(\n {\n readConcern => { level => \"snapshot\" },\n writeConcern => { w => \"majority\" },\n readPreference => 'primary',\n }\n );\n\n eval {\n $employeesCollection->update_one(\n { employee => 3 }, { '$set' => { status => \"Inactive\" } },\n { session => $session},\n );\n $eventsCollection->insert_one(\n { employee => 3, status => { new => \"Inactive\", old => \"Active\" } },\n { session => $session},\n );\n };\n if ( my $error = $@ ) {\n print(\"Caught exception during transaction, aborting->\\n\");\n $session->abort_transaction();\n die $error;\n }\n\n commitWithRetry($session);\n}\n\n# Start a session\nmy $session = $client->start_session();\n\neval {\n runTransactionWithRetry(\\&updateEmployeeInfo, $session);\n};\nif ( my $error = $@ ) {\n # Do something with error\n}\n\n$session->end_session();\n","programmingLanguage":"Perl"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">sub runTransactionWithRetry {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> my ( <!-- -->$txnFunc<!-- -->, <!-- -->$session<!-- --> ) <!-- -->= <!-- -->@_<!-- -->;<!-- --></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><!-- --><span class="lg-highlight-attr">LOOP</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-built_in">eval</span> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->$txnFunc<!-- -->-<!-- -->><!-- -->(<!-- -->$session<!-- -->)<!-- -->; # performs transaction</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> <!-- -->( my $error<!-- --> <!-- -->= <!-- -->$@ ) <!-- -->{<!-- --><!-- --></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">print</span>(<span class="lg-highlight-string">"Transaction aborted-> Caught exception during transaction.</span><span class="lg-highlight-string">\n</span><span class="lg-highlight-string">"</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> # <span class="lg-highlight-title lg-highlight-class">If</span> transient error, retry the whole transaction</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> <!-- -->( <!-- -->$error<!-- -->-<!-- -->><!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">has_error_label</span>(<span class="lg-highlight-string">"TransientTransactionError"</span>) ) <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">print</span>(<span class="lg-highlight-string">"TransientTransactionError, retrying transaction ->..</span><span class="lg-highlight-string">\n</span><span class="lg-highlight-string">"</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->redo <span class="lg-highlight-variable lg-highlight-constant">LOOP</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">else</span> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> die $error<!-- -->;<!-- --></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">sub commitWithRetry {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> my (<!-- -->$session<!-- -->) <!-- -->= <!-- -->@_<!-- -->;<!-- --></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><!-- --><span class="lg-highlight-attr">LOOP</span>: <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-built_in">eval</span> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->$session<!-- -->-<!-- -->><!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">commit_transaction</span>(<!-- -->)<!-- -->; # <span class="lg-highlight-title lg-highlight-class">Uses</span> write concern set at transaction start.</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">print</span>(<span class="lg-highlight-string">"Transaction committed-></span><span class="lg-highlight-string">\n</span><span class="lg-highlight-string">"</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> <!-- -->( my $error<!-- --> <!-- -->= <!-- -->$@ ) <!-- -->{<!-- --><!-- --></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> # <span class="lg-highlight-title lg-highlight-class">Can</span> retry commit</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> <!-- -->( <!-- -->$error<!-- -->-<!-- -->><!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">has_error_label</span>(<span class="lg-highlight-string">"UnknownTransactionCommitResult"</span>) ) <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">print</span>(<span class="lg-highlight-string">"UnknownTransactionCommitResult, retrying commit operation ->..</span><span class="lg-highlight-string">\n</span><span class="lg-highlight-string">"</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->redo <span class="lg-highlight-variable lg-highlight-constant">LOOP</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">else</span> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">print</span>(<span class="lg-highlight-string">"Error during commit ->..</span><span class="lg-highlight-string">\n</span><span class="lg-highlight-string">"</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> die $error<!-- -->;<!-- --></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">return</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"># <span class="lg-highlight-title lg-highlight-class">Updates</span> two collections <span class="lg-highlight-keyword">in</span> a transactions</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">sub updateEmployeeInfo {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> my (<!-- -->$session<!-- -->) <!-- -->= <!-- -->@_<!-- -->;<!-- --></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> my $employeesCollection<!-- --> <!-- -->= <!-- -->$session<!-- -->-<!-- -->><!-- -->client<!-- -->-<!-- -->><!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">ns</span>(<!-- --><span class="lg-highlight-string">"hr.employees"</span>);<!-- --></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> my $eventsCollection<!-- --> <!-- -->= <!-- -->$session<!-- -->-<!-- -->><!-- -->client<!-- -->-<!-- -->><!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">ns</span>(<!-- --><span class="lg-highlight-string">"reporting.events"</span>);<!-- --></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->$session<!-- -->-<!-- -->><!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">start_transaction</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-params lg-highlight-function">readConcern</span><!-- --><span class="lg-highlight-function"> =></span> { <span class="lg-highlight-params lg-highlight-function">level</span><span class="lg-highlight-function"> =></span> <!-- --><span class="lg-highlight-string">"snapshot"</span> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-params lg-highlight-function">writeConcern</span><!-- --><span class="lg-highlight-function"> =></span> { <span class="lg-highlight-params lg-highlight-function">w</span><span class="lg-highlight-function"> =></span> <!-- --><span class="lg-highlight-string">"majority"</span> },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-params lg-highlight-function">readPreference</span><span class="lg-highlight-function"> =></span> <span class="lg-highlight-string">'primary'</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> )<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-built_in">eval</span> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->$employeesCollection<!-- -->-<!-- -->><!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">update_one</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-params lg-highlight-function">employee</span><!-- --><span class="lg-highlight-function"> =></span> <span class="lg-highlight-number">3</span> }<!-- -->, <!-- -->{ <span class="lg-highlight-string">'$set'</span> <!-- -->=<!-- -->> { <span class="lg-highlight-params lg-highlight-function">status</span><span class="lg-highlight-function"> =></span> <!-- --><span class="lg-highlight-string">"Inactive"</span> } },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-params lg-highlight-function">session</span><!-- --><span class="lg-highlight-function"> =></span> <!-- -->$session<!-- -->},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->$eventsCollection<!-- -->-<!-- -->><!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">insert_one</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-params lg-highlight-function">employee</span><!-- --><span class="lg-highlight-function"> =></span> <span class="lg-highlight-number">3</span>, <span class="lg-highlight-params lg-highlight-function">status</span><span class="lg-highlight-function"> =></span> { <span class="lg-highlight-params lg-highlight-function">new</span><!-- --><span class="lg-highlight-function"> =></span> <span class="lg-highlight-string">"Inactive"</span>, <span class="lg-highlight-params lg-highlight-function">old</span><span class="lg-highlight-function"> =></span> <span class="lg-highlight-string">"Active"</span> } },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-params lg-highlight-function">session</span><!-- --><span class="lg-highlight-function"> =></span> <!-- -->$session<!-- -->},</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> <!-- -->( my $error<!-- --> <!-- -->= <!-- -->$@ ) <!-- -->{<!-- --><!-- --></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">print</span>(<span class="lg-highlight-string">"Caught exception during transaction, aborting-></span><span class="lg-highlight-string">\n</span><span class="lg-highlight-string">"</span>)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->$session<!-- -->-<!-- -->><!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">abort_transaction</span>(<!-- -->)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> die $error<!-- -->;<!-- --></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">commitWithRetry</span>(<!-- -->$session<!-- -->);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"># <span class="lg-highlight-title lg-highlight-class">Start</span> a session</td></tr><tr class=""><td class="leafygreen-ui-7razhx">my $session<!-- --> <!-- -->= <!-- -->$client<!-- -->-<!-- -->><!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">start_session</span>(<!-- -->)<!-- -->;<!-- --></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-built_in">eval</span> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">runTransactionWithRetry</span>(<!-- -->\<!-- -->&<!-- -->updateEmployeeInfo<!-- -->, <!-- -->$session<!-- -->)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">if</span> <!-- -->( my $error<!-- --> <!-- -->= <!-- -->$@ ) <!-- -->{<!-- --><!-- --></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> # <span class="lg-highlight-title lg-highlight-class">Do</span> something <span class="lg-highlight-keyword">with</span> error</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">$session<!-- -->-<!-- -->><!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">end_session</span>(<!-- -->)<!-- -->;</td></tr></tbody></table></code></pre>
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Important
</h2>
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To associate read and write operations with a transaction, you
<strong>
must
</strong>
pass the session to each operation in the transaction.
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"private function runTransactionWithRetry3(callable $txnFunc, \\MongoDB\\Client $client, \\MongoDB\\Driver\\Session $session): void\n{\n while (true) {\n try {\n $txnFunc($client, $session); // performs transaction\n break;\n } catch (\\MongoDB\\Driver\\Exception\\CommandException $error) {\n $resultDoc = $error->getResultDocument();\n\n // If transient error, retry the whole transaction\n if (isset($resultDoc->errorLabels) && in_array('TransientTransactionError', $resultDoc->errorLabels)) {\n continue;\n } else {\n throw $error;\n }\n } catch (\\MongoDB\\Driver\\Exception\\Exception $error) {\n throw $error;\n }\n }\n}\n\nprivate function commitWithRetry3(\\MongoDB\\Driver\\Session $session): void\n{\n while (true) {\n try {\n $session->commitTransaction();\n echo \"Transaction committed.\\n\";\n break;\n } catch (\\MongoDB\\Driver\\Exception\\CommandException $error) {\n $resultDoc = $error->getResultDocument();\n\n if (isset($resultDoc->errorLabels) && in_array('UnknownTransactionCommitResult', $resultDoc->errorLabels)) {\n echo \"UnknownTransactionCommitResult, retrying commit operation ...\\n\";\n continue;\n } else {\n echo \"Error during commit ...\\n\";\n\n throw $error;\n }\n } catch (\\MongoDB\\Driver\\Exception\\Exception $error) {\n echo \"Error during commit ...\\n\";\n\n throw $error;\n }\n }\n}\n\nprivate function updateEmployeeInfo3(\\MongoDB\\Client $client, \\MongoDB\\Driver\\Session $session): void\n{\n $session->startTransaction([\n 'readConcern' => new \\MongoDB\\Driver\\ReadConcern('snapshot'),\n 'readPrefernece' => new \\MongoDB\\Driver\\ReadPreference(\\MongoDB\\Driver\\ReadPreference::PRIMARY),\n 'writeConcern' => new \\MongoDB\\Driver\\WriteConcern(\\MongoDB\\Driver\\WriteConcern::MAJORITY),\n ]);\n\n try {\n $client->hr->employees->updateOne(\n ['employee' => 3],\n ['$set' => ['status' => 'Inactive']],\n ['session' => $session],\n );\n $client->reporting->events->insertOne(\n ['employee' => 3, 'status' => ['new' => 'Inactive', 'old' => 'Active']],\n ['session' => $session],\n );\n } catch (\\MongoDB\\Driver\\Exception\\Exception $error) {\n echo \"Caught exception during transaction, aborting.\\n\";\n $session->abortTransaction();\n\n throw $error;\n }\n\n $this->commitWithRetry3($session);\n}\n\nprivate function doUpdateEmployeeInfo(\\MongoDB\\Client $client): void\n{\n // Start a session.\n $session = $client->startSession();\n\n try {\n $this->runTransactionWithRetry3([$this, 'updateEmployeeInfo3'], $client, $session);\n } catch (\\MongoDB\\Driver\\Exception\\Exception) {\n // Do something with error\n }\n}","programmingLanguage":"PHP"}
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<div class="leafygreen-ui-196mwvg">
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">private <span class="lg-highlight-keyword lg-highlight-function">function</span> <span class="lg-highlight-title lg-highlight-function">runTransactionWithRetry3</span>(<span class="lg-highlight-params">callable $txnFunc, \MongoDB\Client $client, \MongoDB\Driver\Session $session</span>): <span class="lg-highlight-keyword">void</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">while</span> (<span class="lg-highlight-literal">true</span>) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">try</span> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> $txnFunc($client, $session); <span class="lg-highlight-comment">// performs transaction</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">break</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> } <span class="lg-highlight-keyword">catch</span> (\<span class="lg-highlight-title lg-highlight-class">MongoDB</span>\<span class="lg-highlight-title lg-highlight-class">Driver</span>\<span class="lg-highlight-title lg-highlight-class">Exception</span>\<span class="lg-highlight-title lg-highlight-class">CommandException</span> $error) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> $resultDoc = $error-><!-- --><span class="lg-highlight-title lg-highlight-function">getResultDocument</span>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// If transient error,</span><span class="lg-highlight-comment"> retry the whole </span><span class="lg-highlight-comment">transaction</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> (<span class="lg-highlight-title lg-highlight-function">isset</span>($resultDoc->errorLabels) &<!-- -->& <span class="lg-highlight-title lg-highlight-function">in_array</span>(<span class="lg-highlight-string">'TransientTransactionError'</span>, $resultDoc->errorLabels)) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">continue</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> } <span class="lg-highlight-keyword">else</span> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">throw</span> $error;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> } <span class="lg-highlight-keyword">catch</span> (\<span class="lg-highlight-title lg-highlight-class">MongoDB</span>\<span class="lg-highlight-title lg-highlight-class">Driver</span>\<span class="lg-highlight-title lg-highlight-class">Exception</span>\<span class="lg-highlight-title lg-highlight-class">Exception</span> $error) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">throw</span> $error;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">private <span class="lg-highlight-keyword lg-highlight-function">function</span> <span class="lg-highlight-title lg-highlight-function">commitWithRetry3</span>(<span class="lg-highlight-params">\MongoDB\Driver\Session $session</span>): <span class="lg-highlight-keyword">void</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">while</span> (<span class="lg-highlight-literal">true</span>) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">try</span> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> $session-<!-- -->><span class="lg-highlight-title lg-highlight-function">commitTransaction</span>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> echo <span class="lg-highlight-string">"Transaction committed.</span><span class="lg-highlight-string">\n</span><span class="lg-highlight-string">"</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">break</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> } <span class="lg-highlight-keyword">catch</span> (\<span class="lg-highlight-title lg-highlight-class">MongoDB</span>\<span class="lg-highlight-title lg-highlight-class">Driver</span>\<span class="lg-highlight-title lg-highlight-class">Exception</span>\<span class="lg-highlight-title lg-highlight-class">CommandException</span> $error) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> $resultDoc = $error-><!-- --><span class="lg-highlight-title lg-highlight-function">getResultDocument</span>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> (<span class="lg-highlight-title lg-highlight-function">isset</span>($resultDoc->errorLabels) &<!-- -->& <span class="lg-highlight-title lg-highlight-function">in_array</span>(<span class="lg-highlight-string">'UnknownTransactionCommitResult'</span>, $resultDoc->errorLabels)) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> echo <span class="lg-highlight-string">"UnknownTransactionCommitResult, retrying commit operation ...</span><span class="lg-highlight-string">\n</span><span class="lg-highlight-string">"</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">continue</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> } <span class="lg-highlight-keyword">else</span> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> echo <span class="lg-highlight-string">"Error during commit ...</span><span class="lg-highlight-string">\n</span><span class="lg-highlight-string">"</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">throw</span> $error;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> } <span class="lg-highlight-keyword">catch</span> (\<span class="lg-highlight-title lg-highlight-class">MongoDB</span>\<span class="lg-highlight-title lg-highlight-class">Driver</span>\<span class="lg-highlight-title lg-highlight-class">Exception</span>\<span class="lg-highlight-title lg-highlight-class">Exception</span> $error) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> echo <span class="lg-highlight-string">"Error during commit ...</span><span class="lg-highlight-string">\n</span><span class="lg-highlight-string">"</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">throw</span> $error;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">private <span class="lg-highlight-keyword lg-highlight-function">function</span> <span class="lg-highlight-title lg-highlight-function">updateEmployeeInfo3</span>(<span class="lg-highlight-params">\MongoDB\Client $client, \MongoDB\Driver\Session $session</span>): <span class="lg-highlight-keyword">void</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> $session-><span class="lg-highlight-title lg-highlight-function">startTransaction</span>([</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">'readConcern'</span> => <span class="lg-highlight-keyword">new</span> \<span class="lg-highlight-title lg-highlight-class">MongoDB</span>\<!-- --><span class="lg-highlight-title lg-highlight-class">Driver</span>\<span class="lg-highlight-title lg-highlight-class">ReadConcern</span>(<span class="lg-highlight-string">'snapshot'</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">'readPrefernece'</span> => <span class="lg-highlight-keyword">new</span> \<span class="lg-highlight-title lg-highlight-class">MongoDB</span>\<span class="lg-highlight-title lg-highlight-class">Driver</span>\<!-- --><span class="lg-highlight-title lg-highlight-class">ReadPreference</span>(\<span class="lg-highlight-title lg-highlight-class">MongoDB</span>\<span class="lg-highlight-title lg-highlight-class">Driver</span>\<span class="lg-highlight-title lg-highlight-class">ReadPreference</span>::<span class="lg-highlight-variable lg-highlight-constant">PRIMARY</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">'writeConcern'</span> => <span class="lg-highlight-keyword">new</span> \<span class="lg-highlight-title lg-highlight-class">MongoDB</span>\<span class="lg-highlight-title lg-highlight-class">Driver</span>\<!-- --><span class="lg-highlight-title lg-highlight-class">WriteConcern</span>(\<span class="lg-highlight-title lg-highlight-class">MongoDB</span>\<span class="lg-highlight-title lg-highlight-class">Driver</span>\<span class="lg-highlight-title lg-highlight-class">WriteConcern</span>::<span class="lg-highlight-variable lg-highlight-constant">MAJORITY</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->]);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">try</span> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> $client->hr->employees-><span class="lg-highlight-title lg-highlight-function">updateOne</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> [<span class="lg-highlight-string">'employee'</span> => <span class="lg-highlight-number">3</span>],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> [<span class="lg-highlight-string">'$set'</span> => [<span class="lg-highlight-string">'status'</span> => <span class="lg-highlight-string">'Inactive'</span>]],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> [<span class="lg-highlight-string">'session'</span> => $session],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> $client->reporting->events-><span class="lg-highlight-title lg-highlight-function">insertOne</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> [<span class="lg-highlight-string">'employee'</span> => <span class="lg-highlight-number">3</span>, <span class="lg-highlight-string">'status'</span> => [<span class="lg-highlight-string">'new'</span> => <span class="lg-highlight-string">'Inactive'</span>, <span class="lg-highlight-string">'old'</span> => <span class="lg-highlight-string">'Active'</span>]],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> [<span class="lg-highlight-string">'session'</span> => $session],</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> } <span class="lg-highlight-keyword">catch</span> (\<span class="lg-highlight-title lg-highlight-class">MongoDB</span>\<span class="lg-highlight-title lg-highlight-class">Driver</span>\<span class="lg-highlight-title lg-highlight-class">Exception</span>\<span class="lg-highlight-title lg-highlight-class">Exception</span> $error) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> echo <span class="lg-highlight-string">"Caught exception during transaction, aborting.</span><span class="lg-highlight-string">\n</span><span class="lg-highlight-string">"</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> $session-<!-- -->><span class="lg-highlight-title lg-highlight-function">abortTransaction</span>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">throw</span> $error;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> $this-><span class="lg-highlight-title lg-highlight-function">commitWithRetry3</span>($session<!-- -->);</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">private <span class="lg-highlight-keyword lg-highlight-function">function</span> <span class="lg-highlight-title lg-highlight-function">doUpdateEmployeeInfo</span>(<span class="lg-highlight-params">\MongoDB\Client $client</span>): <span class="lg-highlight-keyword">void</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// Start a session.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> $session = $client-><!-- --><span class="lg-highlight-title lg-highlight-function">startSession</span>();</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">try</span> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> $this-><span class="lg-highlight-title lg-highlight-function">runTransactionWithRetry3</span>([$this, <span class="lg-highlight-string">'updateEmployeeInfo3'</span>], $client<!-- -->, $session);</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> } <span class="lg-highlight-keyword">catch</span> (\<span class="lg-highlight-title lg-highlight-class">MongoDB</span>\<span class="lg-highlight-title lg-highlight-class">Driver</span>\<span class="lg-highlight-title lg-highlight-class">Exception</span>\<span class="lg-highlight-title lg-highlight-class">Exception</span>) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// Do something with error</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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Important
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To associate read and write operations with a transaction, you
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pass the session to each operation in the transaction.
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">def <span class="lg-highlight-title lg-highlight-function">run_transaction_with_retry</span>(txn_func, session)<!-- -->:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">while</span> <span class="lg-highlight-title lg-highlight-class">True</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">try</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">txn_func</span>(session) # performs transaction</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">break</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> except (<span class="lg-highlight-title lg-highlight-class">ConnectionFailure</span>, <span class="lg-highlight-title lg-highlight-class">OperationFailure</span>) <span class="lg-highlight-keyword">as</span> <span class="lg-highlight-attr">exc</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> # <span class="lg-highlight-title lg-highlight-class">If</span> transient error, retry the whole transaction</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> exc.<span class="lg-highlight-title lg-highlight-function">has_error_label</span>(<span class="lg-highlight-string">"TransientTransactionError"</span>):</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">print</span>(<span class="lg-highlight-string">"TransientTransactionError, retrying transaction ..."</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">continue</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">else</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> raise</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">def <span class="lg-highlight-title lg-highlight-function">commit_with_retry</span>(session)<!-- -->:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">while</span> <span class="lg-highlight-title lg-highlight-class">True</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">try</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> # <span class="lg-highlight-title lg-highlight-class">Commit</span> uses write concern set at transaction start.</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> session.<span class="lg-highlight-title lg-highlight-function">commit_transaction</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">print</span>(<span class="lg-highlight-string">"Transaction committed."</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">break</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> except (<span class="lg-highlight-title lg-highlight-class">ConnectionFailure</span>, <span class="lg-highlight-title lg-highlight-class">OperationFailure</span>) <span class="lg-highlight-keyword">as</span> <span class="lg-highlight-attr">exc</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> # <span class="lg-highlight-title lg-highlight-class">Can</span> retry commit</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> exc.<span class="lg-highlight-title lg-highlight-function">has_error_label</span>(<span class="lg-highlight-string">"UnknownTransactionCommitResult"</span>):</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">print</span>(<span class="lg-highlight-string">"UnknownTransactionCommitResult, retrying commit operation ..."</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">continue</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">else</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">print</span>(<span class="lg-highlight-string">"Error during commit ..."</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> raise</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"># <span class="lg-highlight-title lg-highlight-class">Updates</span> two collections <span class="lg-highlight-keyword">in</span> a transactions</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">def <span class="lg-highlight-title lg-highlight-function">update_employee_info</span>(session)<!-- -->:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> employees_coll = session.<span class="lg-highlight-property">client</span>.<span class="lg-highlight-property">hr</span>.<span class="lg-highlight-property">employees</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> events_coll = session.<span class="lg-highlight-property">client</span>.<span class="lg-highlight-property">reporting</span>.<span class="lg-highlight-property">events</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">with</span> session.<span class="lg-highlight-title lg-highlight-function">start_transaction</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> read_concern=<span class="lg-highlight-title lg-highlight-class">ReadConcern</span>(<span class="lg-highlight-string">"snapshot"</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> write_concern=<span class="lg-highlight-title lg-highlight-class">WriteConcern</span>(w=<span class="lg-highlight-string">"majority"</span>),</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> read_preference=<span class="lg-highlight-title lg-highlight-class">ReadPreference</span>.<span class="lg-highlight-property">PRIMARY</span>,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> ):</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> employees_coll.<span class="lg-highlight-title lg-highlight-function">update_one</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"employee"</span>: <span class="lg-highlight-number">3</span>}, {<span class="lg-highlight-string">"$set"</span>: {<span class="lg-highlight-string">"status"</span>: <span class="lg-highlight-string">"Inactive"</span>}}, session=session</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> )</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> events_coll.<span class="lg-highlight-title lg-highlight-function">insert_one</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> {<span class="lg-highlight-string">"employee"</span>: <span class="lg-highlight-number">3</span>, <span class="lg-highlight-string">"status"</span>: {<span class="lg-highlight-string">"new"</span>: <span class="lg-highlight-string">"Inactive"</span>, <span class="lg-highlight-string">"old"</span>: <span class="lg-highlight-string">"Active"</span>}}, session=session</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> )</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">commit_with_retry</span>(session)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"># <span class="lg-highlight-title lg-highlight-class">Start</span> a session.</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">with</span> client.<span class="lg-highlight-title lg-highlight-function">start_session</span>() <span class="lg-highlight-keyword">as</span> <span class="lg-highlight-attr">session</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">try</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">run_transaction_with_retry</span>(update_employee_info, session)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> except <span class="lg-highlight-title lg-highlight-class">Exception</span>:</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> # <span class="lg-highlight-title lg-highlight-class">Do</span> something <span class="lg-highlight-keyword">with</span> error.</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> raise</td></tr></tbody></table></code></pre>
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Important
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To associate read and write operations with a transaction, you
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"\ndef run_transaction_with_retry(session)\n begin\n yield session # performs transaction\n rescue Mongo::Error => e\n puts 'Transaction aborted. Caught exception during transaction.'\n raise unless e.label?('TransientTransactionError')\n puts \"TransientTransactionError, retrying transaction ...\"\n retry\n end\nend\n\ndef commit_with_retry(session)\n begin\n session.commit_transaction\n puts 'Transaction committed.'\n rescue Mongo::Error => e\n if e.label?('UnknownTransactionCommitResult')\n puts \"UnknownTransactionCommitResult, retrying commit operation ...\"\n retry\n else\n puts 'Error during commit ...'\n raise\n end\n end\nend\n\n# updates two collections in a transaction\n\ndef update_employee_info(session)\n employees_coll = session.client.use(:hr)[:employees]\n events_coll = session.client.use(:reporting)[:events]\n\n session.start_transaction(read_concern: { level: :snapshot },\n write_concern: { w: :majority },\n read: {mode: :primary})\n employees_coll.update_one({ employee: 3 }, { '$set' => { status: 'Inactive'} },\n session: session)\n events_coll.insert_one({ employee: 3, status: { new: 'Inactive', old: 'Active' } },\n session: session)\n commit_with_retry(session)\nend\n\nsession = client.start_session\n\nbegin\n run_transaction_with_retry(session) do\n update_employee_info(session)\n end\nrescue StandardError => e\n # Do something with error\n raise\nend\n","programmingLanguage":"Ruby"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx">def <span class="lg-highlight-title lg-highlight-function">run_transaction_with_retry</span>(session)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> begin</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">yield</span> session # performs transaction</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> rescue <span class="lg-highlight-title lg-highlight-class">Mongo</span>:<!-- -->:<!-- --><!-- --><!-- --><span class="lg-highlight-params lg-highlight-function">Error</span><span class="lg-highlight-function"> =></span> <!-- -->e</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> puts <span class="lg-highlight-string">'Transaction aborted. Caught exception during transaction.'</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> raise unless e.<span class="lg-highlight-property">label</span>?<!-- -->(<!-- --><!-- --><span class="lg-highlight-string">'TransientTransactionError'</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> puts <span class="lg-highlight-string">"TransientTransactionError, retrying transaction ..."</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> retry</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> end</td></tr><tr class=""><td class="leafygreen-ui-7razhx">end</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">def <span class="lg-highlight-title lg-highlight-function">commit_with_retry</span>(session)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> begin</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> session.<span class="lg-highlight-property">commit_transaction</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> puts <span class="lg-highlight-string">'Transaction committed.'</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> rescue <span class="lg-highlight-title lg-highlight-class">Mongo</span>:<!-- -->:<!-- --><!-- --><!-- --><span class="lg-highlight-params lg-highlight-function">Error</span><span class="lg-highlight-function"> =></span> <!-- -->e</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">if</span> e.<!-- --><!-- --><span class="lg-highlight-property">label</span>?(<span class="lg-highlight-string">'UnknownTransactionCommitResult'</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> puts <span class="lg-highlight-string">"UnknownTransactionCommitResult, retrying commit operation ..."</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> retry</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">else</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> puts <span class="lg-highlight-string">'Error during commit ...'</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> raise</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> end</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> end</td></tr><tr class=""><td class="leafygreen-ui-7razhx">end</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"># updates two collections <span class="lg-highlight-keyword">in</span> a transaction</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">def <span class="lg-highlight-title lg-highlight-function">update_employee_info</span>(session)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> employees_coll <!-- -->= <!-- -->session.<!-- --><span class="lg-highlight-property">client</span>.<span class="lg-highlight-title lg-highlight-function">use</span>(<!-- -->:hr)[:employees]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> events_coll <!-- -->= <!-- -->session.<!-- --><span class="lg-highlight-property">client</span>.<span class="lg-highlight-title lg-highlight-function">use</span>(<!-- -->:reporting)[:events]</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> session.<!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">start_transaction</span>(<span class="lg-highlight-attr">read_concern</span>: { <span class="lg-highlight-attr">level</span>: :snapshot }<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">write_concern</span>: <!-- -->{ <span class="lg-highlight-attr">w</span>: :majority },<!-- --></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">read</span>: <!-- -->{<span class="lg-highlight-attr">mode</span>: :primary})</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> employees_coll.<!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">update_one</span>(<!-- -->{ <span class="lg-highlight-attr">employee</span>: <span class="lg-highlight-number">3</span> }<!-- -->, <!-- -->{ <span class="lg-highlight-string">'$set'</span> <!-- -->=<!-- -->> <!-- -->{ <span class="lg-highlight-attr">status</span>: <span class="lg-highlight-string">'Inactive'</span>} },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">session</span>: session)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> events_coll.<!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">insert_one</span>(<!-- -->{ <span class="lg-highlight-attr">employee</span>: <span class="lg-highlight-number">3</span>, <span class="lg-highlight-attr">status</span>: <!-- -->{ <span class="lg-highlight-attr">new</span>: <span class="lg-highlight-string">'Inactive'</span>, <span class="lg-highlight-attr">old</span>: <span class="lg-highlight-string">'Active'</span> } },</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-attr">session</span>: session)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">commit_with_retry</span>(session)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">end</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">session <!-- -->= <!-- -->client.<span class="lg-highlight-property">start_session</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">begin</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">run_transaction_with_retry</span>(session) <span class="lg-highlight-keyword">do</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- --><!-- --><span class="lg-highlight-title lg-highlight-function">update_employee_info</span>(session)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> end</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><!-- -->rescue <span class="lg-highlight-title lg-highlight-class">StandardError</span> <!-- -->=<!-- -->> e</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> # <span class="lg-highlight-title lg-highlight-class">Do</span> something <span class="lg-highlight-keyword">with</span> error</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> raise</td></tr><tr class=""><td class="leafygreen-ui-7razhx">end</td></tr></tbody></table></code></pre>
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Node.js
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</button>
<div aria-live="polite" aria-relevant="all" class="leafygreen-ui-11ydt2g" data-lgid="lg-form_field-feedback" data-testid="lg-form_field-feedback">
</div>
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</div>
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<div>
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<div class="leafygreen-ui-1kdmo88">
<div class="leafygreen-ui-85da11" role="note">
<h2 class="leafygreen-ui-1ac4g5h">
Important
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
To associate read and write operations with a transaction, you
<strong>
must
</strong>
pass the session to each operation in the transaction.
</p>
</div>
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{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"/*\n * Copyright 2008-present MongoDB, Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\npackage org.mongodb.scala\n\nimport org.mongodb.scala.model.{Filters, Updates}\nimport org.mongodb.scala.result.UpdateResult\n\nimport scala.concurrent.Await\nimport scala.concurrent.duration.Duration\n\n\n//scalastyle:off magic.number\nclass DocumentationTransactionsExampleSpec extends RequiresMongoDBISpec {\n\n // Implicit functions that execute the Observable and return the results\n val waitDuration = Duration(5, \"seconds\")\n implicit class ObservableExecutor[T](observable: Observable[T]) {\n def execute(): Seq[T] = Await.result(observable.toFuture(), waitDuration)\n }\n\n implicit class SingleObservableExecutor[T](observable: SingleObservable[T]) {\n def execute(): T = Await.result(observable.toFuture(), waitDuration)\n }\n // end implicit functions\n\n \"The Scala driver\" should \"be able to commit a transaction\" in withClient { client =>\n assume(serverVersionAtLeast(List(4, 0, 0)) && !hasSingleHost())\n client.getDatabase(\"hr\").drop().execute()\n client.getDatabase(\"hr\").createCollection(\"employees\").execute()\n client.getDatabase(\"hr\").createCollection(\"events\").execute()\n\n updateEmployeeInfoWithRetry(client).execute() should equal(Completed())\n client.getDatabase(\"hr\").drop().execute() should equal(Completed())\n }\n\n def updateEmployeeInfo(database: MongoDatabase, observable: SingleObservable[ClientSession]): SingleObservable[ClientSession] = {\n observable.map(clientSession => {\n val employeesCollection = database.getCollection(\"employees\")\n val eventsCollection = database.getCollection(\"events\")\n\n val transactionOptions = TransactionOptions.builder()\n .readPreference(ReadPreference.primary())\n .readConcern(ReadConcern.SNAPSHOT)\n .writeConcern(WriteConcern.MAJORITY)\n .build()\n clientSession.startTransaction(transactionOptions)\n employeesCollection.updateOne(clientSession, Filters.eq(\"employee\", 3), Updates.set(\"status\", \"Inactive\"))\n .subscribe((res: UpdateResult) => println(res))\n eventsCollection.insertOne(clientSession, Document(\"employee\" -> 3, \"status\" -> Document(\"new\" -> \"Inactive\", \"old\" -> \"Active\")))\n .subscribe((res: Completed) => println(res))\n\n clientSession\n })\n }\n\n def commitAndRetry(observable: SingleObservable[Completed]): SingleObservable[Completed] = {\n observable.recoverWith({\n case e: MongoException if e.hasErrorLabel(MongoException.UNKNOWN_TRANSACTION_COMMIT_RESULT_LABEL) => {\n println(\"UnknownTransactionCommitResult, retrying commit operation ...\")\n commitAndRetry(observable)\n }\n case e: Exception => {\n println(s\"Exception during commit ...: $e\")\n throw e\n }\n })\n }\n\n def runTransactionAndRetry(observable: SingleObservable[Completed]): SingleObservable[Completed] = {\n observable.recoverWith({\n case e: MongoException if e.hasErrorLabel(MongoException.TRANSIENT_TRANSACTION_ERROR_LABEL) => {\n println(\"TransientTransactionError, aborting transaction and retrying ...\")\n runTransactionAndRetry(observable)\n }\n })\n }\n\n def updateEmployeeInfoWithRetry(client: MongoClient): SingleObservable[Completed] = {\n\n val database = client.getDatabase(\"hr\")\n val updateEmployeeInfoObservable: Observable[ClientSession] = updateEmployeeInfo(database, client.startSession())\n val commitTransactionObservable: SingleObservable[Completed] =\n updateEmployeeInfoObservable.flatMap(clientSession => clientSession.commitTransaction())\n val commitAndRetryObservable: SingleObservable[Completed] = commitAndRetry(commitTransactionObservable)\n\n runTransactionAndRetry(commitAndRetryObservable)\n }\n}\n","programmingLanguage":"Scala"}
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<pre class="leafygreen-ui-11itue3" tabindex="-1"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">/*</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> * Copyright 2008-present MongoDB, Inc.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> *</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> *</span><span class="lg-highlight-comment"> Licensed under the </span><span class="lg-highlight-comment">Apache License, Version 2.0 (the "License");</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> *</span><span class="lg-highlight-comment"> you may not </span><span class="lg-highlight-comment">use</span><span class="lg-highlight-comment"> this file except </span><span class="lg-highlight-comment">in</span><span class="lg-highlight-comment"> compliance with the </span><span class="lg-highlight-comment">License.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> *</span><span class="lg-highlight-comment"> You may obtain </span><span class="lg-highlight-comment">a copy of the License at</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> *</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> * http://www.apache.org/licenses/LICENSE-2.0</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> *</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> * Unless required by applicable law or</span><span class="lg-highlight-comment"> agreed to in </span><span class="lg-highlight-comment">writing, software</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> *</span><span class="lg-highlight-comment"> distributed under the </span><span class="lg-highlight-comment">License</span><span class="lg-highlight-comment"> is distributed on </span><span class="lg-highlight-comment">an "AS IS" BASIS,</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> *</span><span class="lg-highlight-comment"> See the License </span><span class="lg-highlight-comment">for</span><span class="lg-highlight-comment"> the specific language </span><span class="lg-highlight-comment">governing permissions and</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> *</span><span class="lg-highlight-comment"> limitations under the </span><span class="lg-highlight-comment">License.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment"> */</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">package org.<span class="lg-highlight-property">mongodb</span>.<span class="lg-highlight-property">scala</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">import</span> org.<span class="lg-highlight-property">mongodb</span>.<span class="lg-highlight-property">scala</span>.<span class="lg-highlight-property">model</span>.{<span class="lg-highlight-title lg-highlight-class">Filters</span>, <span class="lg-highlight-title lg-highlight-class">Updates</span>}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">import</span> org.<span class="lg-highlight-property">mongodb</span>.<span class="lg-highlight-property">scala</span>.<span class="lg-highlight-property">result</span>.<span class="lg-highlight-property">UpdateResult</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">import</span> scala.<span class="lg-highlight-property">concurrent</span>.<span class="lg-highlight-property">Await</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">import</span> scala.<span class="lg-highlight-property">concurrent</span>.<span class="lg-highlight-property">duration</span>.<span class="lg-highlight-property">Duration</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//scalastyle:off magic.number</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword lg-highlight-class">class</span> <span class="lg-highlight-title lg-highlight-class">DocumentationTransactionsExampleSpec</span> <span class="lg-highlight-keyword">extends</span> <span class="lg-highlight-title lg-highlight-class lg-highlight-inherited">RequiresMongoDBISpec</span> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Implicit functions that </span><span class="lg-highlight-comment">execute</span><span class="lg-highlight-comment"> the Observable and </span><span class="lg-highlight-comment">return the results</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> val waitDuration = <span class="lg-highlight-title lg-highlight-class">Duration</span>(<span class="lg-highlight-number">5</span>, <span class="lg-highlight-string">"seconds"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> implicit <span class="lg-highlight-keyword lg-highlight-class">class</span> <span class="lg-highlight-title lg-highlight-class">ObservableExecutor</span>[T](<span class="lg-highlight-attr">observable</span>: <span class="lg-highlight-title lg-highlight-class">Observable</span>[T]) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> def <span class="lg-highlight-title lg-highlight-function">execute</span>(): <span class="lg-highlight-title lg-highlight-class">Seq</span>[T] = <span class="lg-highlight-title lg-highlight-class">Await</span>.<span class="lg-highlight-title lg-highlight-function">result</span>(observable.<span class="lg-highlight-title lg-highlight-function">toFuture</span>(), waitDuration)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> implicit <span class="lg-highlight-keyword lg-highlight-class">class</span> <span class="lg-highlight-title lg-highlight-class">SingleObservableExecutor</span>[T](<span class="lg-highlight-attr">observable</span>: <span class="lg-highlight-title lg-highlight-class">SingleObservable</span>[T]) {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> def <span class="lg-highlight-title lg-highlight-function">execute</span>(): T = <span class="lg-highlight-title lg-highlight-class">Await</span>.<span class="lg-highlight-title lg-highlight-function">result</span>(observable.<span class="lg-highlight-title lg-highlight-function">toFuture</span>(), waitDuration)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">// end implicit functions</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-string">"The Scala driver"</span> should <span class="lg-highlight-string">"be able to commit a transaction"</span> <span class="lg-highlight-keyword">in</span> withClient { <span class="lg-highlight-params lg-highlight-function">client</span><span class="lg-highlight-function"> =></span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">assume</span>(<span class="lg-highlight-title lg-highlight-function">serverVersionAtLeast</span>(<span class="lg-highlight-title lg-highlight-class">List</span>(<span class="lg-highlight-number">4</span>, <span class="lg-highlight-number">0</span>, <span class="lg-highlight-number">0</span>)) && !<span class="lg-highlight-title lg-highlight-function">hasSingleHost</span>())</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> client.<span class="lg-highlight-title lg-highlight-function">getDatabase</span>(<span class="lg-highlight-string">"hr"</span>).<span class="lg-highlight-title lg-highlight-function">drop</span>().<span class="lg-highlight-title lg-highlight-function">execute</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> client.<span class="lg-highlight-title lg-highlight-function">getDatabase</span>(<span class="lg-highlight-string">"hr"</span>).<span class="lg-highlight-title lg-highlight-function">createCollection</span>(<span class="lg-highlight-string">"employees"</span>).<span class="lg-highlight-title lg-highlight-function">execute</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> client.<span class="lg-highlight-title lg-highlight-function">getDatabase</span>(<span class="lg-highlight-string">"hr"</span>).<span class="lg-highlight-title lg-highlight-function">createCollection</span>(<span class="lg-highlight-string">"events"</span>).<span class="lg-highlight-title lg-highlight-function">execute</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">updateEmployeeInfoWithRetry</span>(client).<span class="lg-highlight-title lg-highlight-function">execute</span>() should <span class="lg-highlight-title lg-highlight-function">equal</span>(<span class="lg-highlight-title lg-highlight-class">Completed</span>())</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> client.<span class="lg-highlight-title lg-highlight-function">getDatabase</span>(<span class="lg-highlight-string">"hr"</span>).<span class="lg-highlight-title lg-highlight-function">drop</span>().<span class="lg-highlight-title lg-highlight-function">execute</span>() should <span class="lg-highlight-title lg-highlight-function">equal</span>(<span class="lg-highlight-title lg-highlight-class">Completed</span>())</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> def <span class="lg-highlight-title lg-highlight-function">updateEmployeeInfo</span>(<span class="lg-highlight-attr">database</span>: <span class="lg-highlight-title lg-highlight-class">MongoDatabase</span>, <span class="lg-highlight-attr">observable</span>: <span class="lg-highlight-title lg-highlight-class">SingleObservable</span>[<span class="lg-highlight-title lg-highlight-class">ClientSession</span>]): <span class="lg-highlight-title lg-highlight-class">SingleObservable</span>[<span class="lg-highlight-title lg-highlight-class">ClientSession</span>] = {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> observable.<span class="lg-highlight-title lg-highlight-function">map</span>(<span class="lg-highlight-params lg-highlight-function">clientSession</span><span class="lg-highlight-function"> =></span> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> val employeesCollection = database.<span class="lg-highlight-title lg-highlight-function">getCollection</span>(<span class="lg-highlight-string">"employees"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> val eventsCollection = database.<span class="lg-highlight-title lg-highlight-function">getCollection</span>(<span class="lg-highlight-string">"events"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> val transactionOptions = <span class="lg-highlight-title lg-highlight-class">TransactionOptions</span>.<span class="lg-highlight-title lg-highlight-function">builder</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">readPreference</span>(<span class="lg-highlight-title lg-highlight-class">ReadPreference</span>.<span class="lg-highlight-title lg-highlight-function">primary</span>())</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">readConcern</span>(<span class="lg-highlight-title lg-highlight-class">ReadConcern</span>.<span class="lg-highlight-property">SNAPSHOT</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">writeConcern</span>(<span class="lg-highlight-title lg-highlight-class">WriteConcern</span>.<span class="lg-highlight-property">MAJORITY</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">build</span>()</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> clientSession.<span class="lg-highlight-title lg-highlight-function">startTransaction</span>(transactionOptions)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> employeesCollection.<span class="lg-highlight-title lg-highlight-function">updateOne</span>(clientSession, <span class="lg-highlight-title lg-highlight-class">Filters</span>.<span class="lg-highlight-title lg-highlight-function">eq</span>(<span class="lg-highlight-string">"employee"</span>, <span class="lg-highlight-number">3</span>), <span class="lg-highlight-title lg-highlight-class">Updates</span>.<span class="lg-highlight-title lg-highlight-function">set</span>(<span class="lg-highlight-string">"status"</span>, <span class="lg-highlight-string">"Inactive"</span>))</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">subscribe</span>(<span class="lg-highlight-function">(</span><span class="lg-highlight-params lg-highlight-function">res: UpdateResult</span><span class="lg-highlight-function">) =></span> <span class="lg-highlight-title lg-highlight-function">println</span>(res))</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> eventsCollection.<span class="lg-highlight-title lg-highlight-function">insertOne</span>(clientSession, <span class="lg-highlight-title lg-highlight-class">Document</span>(<span class="lg-highlight-string">"employee"</span> -> <span class="lg-highlight-number">3</span>, <span class="lg-highlight-string">"status"</span> -> <span class="lg-highlight-title lg-highlight-class">Document</span>(<span class="lg-highlight-string">"new"</span> -> <span class="lg-highlight-string">"Inactive"</span>, <span class="lg-highlight-string">"old"</span> -> <span class="lg-highlight-string">"Active"</span>)))</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> .<span class="lg-highlight-title lg-highlight-function">subscribe</span>(<span class="lg-highlight-function">(</span><span class="lg-highlight-params lg-highlight-function">res: Completed</span><span class="lg-highlight-function">) =></span> <span class="lg-highlight-title lg-highlight-function">println</span>(res))</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> clientSession</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> })</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> def <span class="lg-highlight-title lg-highlight-function">commitAndRetry</span>(<span class="lg-highlight-attr">observable</span>: <span class="lg-highlight-title lg-highlight-class">SingleObservable</span>[<span class="lg-highlight-title lg-highlight-class">Completed</span>]): <span class="lg-highlight-title lg-highlight-class">SingleObservable</span>[<span class="lg-highlight-title lg-highlight-class">Completed</span>] = {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> observable.<span class="lg-highlight-title lg-highlight-function">recoverWith</span>({</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">case</span> <span class="lg-highlight-attr">e</span>: <span class="lg-highlight-title lg-highlight-class">MongoException</span> <span class="lg-highlight-keyword">if</span> e.<span class="lg-highlight-title lg-highlight-function">hasErrorLabel</span>(<span class="lg-highlight-title lg-highlight-class">MongoException</span>.<span class="lg-highlight-property">UNKNOWN_TRANSACTION_COMMIT_RESULT_LABEL</span>) => {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">println</span>(<span class="lg-highlight-string">"UnknownTransactionCommitResult, retrying commit operation ..."</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">commitAndRetry</span>(observable)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">case</span> <span class="lg-highlight-attr">e</span>: <span class="lg-highlight-params lg-highlight-function">Exception</span><span class="lg-highlight-function"> =></span> {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">println</span>(s<span class="lg-highlight-string">"Exception during commit ...: $e"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">throw</span> e</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> })</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> def <span class="lg-highlight-title lg-highlight-function">runTransactionAndRetry</span>(<span class="lg-highlight-attr">observable</span>: <span class="lg-highlight-title lg-highlight-class">SingleObservable</span>[<span class="lg-highlight-title lg-highlight-class">Completed</span>]): <span class="lg-highlight-title lg-highlight-class">SingleObservable</span>[<span class="lg-highlight-title lg-highlight-class">Completed</span>] = {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> observable.<span class="lg-highlight-title lg-highlight-function">recoverWith</span>({</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">case</span> <span class="lg-highlight-attr">e</span>: <span class="lg-highlight-title lg-highlight-class">MongoException</span> <span class="lg-highlight-keyword">if</span> e.<span class="lg-highlight-title lg-highlight-function">hasErrorLabel</span>(<span class="lg-highlight-title lg-highlight-class">MongoException</span>.<span class="lg-highlight-property">TRANSIENT_TRANSACTION_ERROR_LABEL</span>) => {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">println</span>(<span class="lg-highlight-string">"TransientTransactionError, aborting transaction and retrying ..."</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">runTransactionAndRetry</span>(observable)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> })</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> def <span class="lg-highlight-title lg-highlight-function">updateEmployeeInfoWithRetry</span>(<span class="lg-highlight-attr">client</span>: <span class="lg-highlight-title lg-highlight-class">MongoClient</span>): <span class="lg-highlight-title lg-highlight-class">SingleObservable</span>[<span class="lg-highlight-title lg-highlight-class">Completed</span>] = {</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> val database = client.<span class="lg-highlight-title lg-highlight-function">getDatabase</span>(<span class="lg-highlight-string">"hr"</span>)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> val <span class="lg-highlight-attr">updateEmployeeInfoObservable</span>: <span class="lg-highlight-title lg-highlight-class">Observable</span>[<span class="lg-highlight-title lg-highlight-class">ClientSession</span>] = <span class="lg-highlight-title lg-highlight-function">updateEmployeeInfo</span>(database, client.<span class="lg-highlight-title lg-highlight-function">startSession</span>())</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> val <span class="lg-highlight-attr">commitTransactionObservable</span>: <span class="lg-highlight-title lg-highlight-class">SingleObservable</span>[<span class="lg-highlight-title lg-highlight-class">Completed</span>] =</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> updateEmployeeInfoObservable.<span class="lg-highlight-title lg-highlight-function">flatMap</span>(<span class="lg-highlight-params lg-highlight-function">clientSession</span><span class="lg-highlight-function"> =></span> clientSession.<span class="lg-highlight-title lg-highlight-function">commitTransaction</span>())</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> val <span class="lg-highlight-attr">commitAndRetryObservable</span>: <span class="lg-highlight-title lg-highlight-class">SingleObservable</span>[<span class="lg-highlight-title lg-highlight-class">Completed</span>] = <span class="lg-highlight-title lg-highlight-function">commitAndRetry</span>(commitTransactionObservable)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-title lg-highlight-function">runTransactionAndRetry</span>(commitAndRetryObservable)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr></tbody></table></code></pre>
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<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://mongodb.github.io/mongo-csharp-driver/" rel="noopener noreferrer">
<span>
C# 2.9.0
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://godoc.org/go.mongodb.org/mongo-driver/mongo" rel="noopener noreferrer">
<span>
Go 1.1
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</p>
</li>
</ul>
</td>
<td>
<ul class="simple">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://mongodb.github.io/mongo-java-driver/" rel="noopener noreferrer">
<span>
Java 3.11.0
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://mongodb.github.io/node-mongodb-native/" rel="noopener noreferrer">
<span>
Node 3.3.0
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://metacpan.org/author/MONGODB" rel="noopener noreferrer">
<span>
Perl 2.2.0
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</p>
</li>
</ul>
</td>
<td>
<ul class="simple">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://pymongo.readthedocs.io/en/stable/index.html" rel="noopener noreferrer">
<span>
Python
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/ruby-driver/current/" target="_self">
<span>
Ruby 2.10.0
</span>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://mongodb.github.io/mongo-scala-driver/" rel="noopener noreferrer">
<span>
Scala 2.7.0
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
</p>
</li>
</ul>
</td>
</tr>
</tbody>
</table>
<span class="leafygreen-ui-1qnjd6d" id="std-label-transactions-retry">
</span>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Transaction Error Handling
<a class="headerlink leafygreen-ui-1kepx47" href="#transaction-error-handling" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="transaction-error-handling">
</div>
</a>
</h2>
<p class="leafygreen-ui-1kp3ins">
Regardless of the database system, whether MongoDB or relational
databases, applications should take measures to handle errors during
transaction commits and incorporate retry logic for transactions.
</p>
<span class="leafygreen-ui-1qnjd6d" id="std-label-transient-transaction-error">
</span>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
<code class="leafygreen-ui-1l06pbn">
TransientTransactionError
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#transienttransactionerror" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="transienttransactionerror">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The
<em>
individual
</em>
write operations inside the transaction are not
retryable, regardless of the value of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/connection-string-options/#mongodb-urioption-urioption.retryWrites">
<code class="leafygreen-ui-1l06pbn">
retryWrites
</code>
</a>
. If an
operation encounters an error
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://github.com/mongodb/specifications/blob/master/source/transactions/transactions.rst#error-labels" rel="noopener noreferrer">
<span>
associated with the label
</span>
<svg alt="" aria-hidden="true" class="leafygreen-ui-1ie5kuq" height="16" role="presentation" viewbox="0 0 16 16" width="16">
<path d="M13.823 2.4491C13.8201 2.30008 13.6999 2.17994 13.5509 2.17704L9.5062 2.09836C9.25654 2.09351 9.12821 2.39519 9.30482 2.5718L10.3856 3.65257L7.93433 6.10383C7.87964 6.15852 7.83047 6.21665 7.78683 6.27752L5.99909 8.06525C5.46457 8.59977 5.46457 9.4664 5.99909 10.0009C6.53361 10.5354 7.40023 10.5354 7.93475 10.0009L9.72249 8.21317C9.78336 8.16953 9.84148 8.12037 9.89618 8.06567L12.3474 5.61441L13.4282 6.69518C13.6048 6.87179 13.9065 6.74347 13.9016 6.4938L13.823 2.4491Z" fill="currentColor">
</path>
<path d="M7.25 3.12893C7.66421 3.12893 8 3.46472 8 3.87893C8 4.29315 7.66421 4.62893 7.25 4.62893H4C3.72386 4.62893 3.5 4.85279 3.5 5.12893V11.9929C3.5 12.2691 3.72386 12.4929 4 12.4929H10.864C11.1401 12.4929 11.364 12.2691 11.364 11.9929V8.75C11.364 8.33579 11.6998 8 12.114 8C12.5282 8 12.864 8.33579 12.864 8.75V11.9929C12.864 13.0975 11.9686 13.9929 10.864 13.9929H4C2.89543 13.9929 2 13.0975 2 11.9929V5.12893C2 4.02436 2.89543 3.12893 4 3.12893H7.25Z" fill="currentColor">
</path>
</svg>
</a>
<code class="leafygreen-ui-1l06pbn">
"TransientTransactionError"
</code>
, such as when the primary steps down,
the transaction as a whole can be retried.
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The callback API incorporates retry logic for
<code class="leafygreen-ui-1l06pbn">
"TransientTransactionError"
</code>
.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The core transaction API does not incorporate retry logic
for
<code class="leafygreen-ui-1l06pbn">
"TransientTransactionError"
</code>
. To handle
<code class="leafygreen-ui-1l06pbn">
"TransientTransactionError"
</code>
, applications should explicitly
incorporate retry logic for the error. To view an example that incorporates
retry logic for transient errors, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-txn-core-api-retry" target="_self">
<span>
Core API Example
<!-- -->
.
</span>
</a>
</p>
</li>
</ul>
<span class="leafygreen-ui-1qnjd6d" id="std-label-unknown-transaction-commit-result">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
<code class="leafygreen-ui-1l06pbn">
UnknownTransactionCommitResult
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#unknowntransactioncommitresult" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="unknowntransactioncommitresult">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
Commit operations are
<a class="leafygreen-ui-tqgtui" href="/docs/manual/core/retryable-writes/#std-label-retryable-writes">
retryable write operations
</a>
. If
the commit operation encounters an error, MongoDB drivers retry the commit
regardless of the value of
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/connection-string-options/#mongodb-urioption-urioption.retryWrites">
<code class="leafygreen-ui-1l06pbn">
retryWrites
</code>
.
</a>
</p>
<p class="leafygreen-ui-1kp3ins">
If the commit operation encounters an error labeled
<code class="leafygreen-ui-1l06pbn">
"UnknownTransactionCommitResult"
</code>
, the commit can be retried.
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The callback API incorporates retry logic for
<code class="leafygreen-ui-1l06pbn">
"UnknownTransactionCommitResult"
</code>
.
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
The core transaction API does not incorporate retry logic for
<code class="leafygreen-ui-1l06pbn">
"UnknownTransactionCommitResult"
</code>
. To handle
<code class="leafygreen-ui-1l06pbn">
"UnknownTransactionCommitResult"
</code>
, applications should explicitly
incorporate retry logic for the error. To view an example that incorporates
retry logic for unknown commit errors, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-txn-core-api-retry" target="_self">
<span>
Core API Example
<!-- -->
.
</span>
</a>
</p>
</li>
</ul>
<span class="leafygreen-ui-1qnjd6d" id="std-label-transactionTooLargeForCache-error">
</span>
</section>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
<code class="leafygreen-ui-1l06pbn">
TransactionTooLargeForCache
</code>
<a class="headerlink leafygreen-ui-1kepx47" href="#transactiontoolargeforcache" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="transactiontoolargeforcache">
</div>
</a>
</h3>
<div>
<p>
<em>
New
<!-- -->
in version
<!-- -->
6.2
</em>
.
</p>
</div>
<p class="leafygreen-ui-1kp3ins">
Starting in MongoDB 6.2, the server does not retry the transaction if
it receives a
<code class="leafygreen-ui-1l06pbn">
TransactionTooLargeForCache
</code>
error. This error means
the cache is too small and a retry is likely to fail.
</p>
<p class="leafygreen-ui-1kp3ins">
The default value for the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/parameters/#mongodb-parameter-param.transactionTooLargeForCacheThreshold">
<code class="leafygreen-ui-1l06pbn">
transactionTooLargeForCacheThreshold
</code>
</a>
threshold is
<code class="leafygreen-ui-1l06pbn">
0.75
</code>
.
The server returns
<code class="leafygreen-ui-1l06pbn">
TransactionTooLargeForCache
</code>
instead of retrying
the transaction when the transaction uses more than 75% of the cache.
</p>
<p class="leafygreen-ui-1kp3ins">
In earlier versions of MongoDB, the server returns
<code class="leafygreen-ui-1l06pbn">
TemporarilyUnavailable
</code>
or
<code class="leafygreen-ui-1l06pbn">
WriteConflict
</code>
instead of
<code class="leafygreen-ui-1l06pbn">
TransactionTooLargeForCache
</code>
.
</p>
<p class="leafygreen-ui-1kp3ins">
Use the
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/command/setParameter/#mongodb-dbcommand-dbcmd.setParameter">
<code class="leafygreen-ui-1l06pbn">
setParameter
</code>
</a>
command to modify the error threshold.
</p>
</section>
</section>
<section>
<h2 class="contains-headerlink leafygreen-ui-19f71ei" weight="medium">
Additional Information
<a class="headerlink leafygreen-ui-1kepx47" href="#additional-information" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="additional-information">
</div>
</a>
</h2>
<span class="leafygreen-ui-1qnjd6d" id="std-label-txn-mongo-shell-example">
</span>
<section>
<h3 class="contains-headerlink leafygreen-ui-15ajumo" weight="medium">
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
Example
<a class="headerlink leafygreen-ui-1kepx47" href="#mongosh-example" title="Permalink to this heading">
<svg aria-label="Link Icon" class="leafygreen-ui-a30zj9" fill="none" height="12" role="img" viewbox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg">
<path d="M6.039 9.953a3.596 3.596 0 0 1-.327-.38l1.45-1.445a1.553 1.553 0 0 0 2.496.423l2.885-2.87a1.57 1.57 0 0 0 .01-2.213 1.553 1.553 0 0 0-2.203-.01l-.379.377A.995.995 0 0 1 8.56 3.83a1.005 1.005 0 0 1 .006-1.418l.38-.377a3.542 3.542 0 0 1 5.024.023 3.58 3.58 0 0 1-.022 5.047l-2.884 2.871a3.542 3.542 0 0 1-5.025-.022Z" fill="currentColor">
</path>
<path d="M9.961 6.047c.12.12.228.248.327.38l-1.45 1.445a1.553 1.553 0 0 0-2.496-.423l-2.885 2.87a1.57 1.57 0 0 0-.01 2.213 1.553 1.553 0 0 0 2.203.01l.379-.377a.995.995 0 0 1 1.411.006 1.005 1.005 0 0 1-.006 1.418l-.38.377a3.542 3.542 0 0 1-5.024-.023 3.58 3.58 0 0 1 .022-5.047l2.884-2.871a3.542 3.542 0 0 1 5.025.022Z" fill="currentColor">
</path>
</svg>
<div class="css-1btu0w3 evvkmar0" id="mongosh-example">
</div>
</a>
</h3>
<p class="leafygreen-ui-1kp3ins">
The following
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
methods are available for
transactions:
</p>
<ul class="leafygreen-ui-rioki0">
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/Session.startTransaction/#mongodb-method-Session.startTransaction">
<code class="leafygreen-ui-1l06pbn">
Session.startTransaction()
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/Session.commitTransaction/#mongodb-method-Session.commitTransaction">
<code class="leafygreen-ui-1l06pbn">
Session.commitTransaction()
</code>
</a>
</p>
</li>
<li class="leafygreen-ui-d7p7b6">
<p class="leafygreen-ui-1kp3ins">
<a class="leafygreen-ui-tqgtui" href="/docs/manual/reference/method/Session.abortTransaction/#mongodb-method-Session.abortTransaction">
<code class="leafygreen-ui-1l06pbn">
Session.abortTransaction()
</code>
</a>
</p>
</li>
</ul>
<div class="leafygreen-ui-15mdk4" role="note">
<h2 class="leafygreen-ui-6n7b7d">
Note
</h2>
<div class="leafygreen-ui-9mycqc">
<p class="leafygreen-ui-1kp3ins">
The
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="https://www.mongodb.com/docs/mongodb-shell/#mongodb-binary-bin.mongosh" target="_self">
<span>
<code class="leafygreen-ui-1l06pbn">
mongosh
</code>
</span>
</a>
example omits retry logic
and robust error handling for simplicity's sake. For a
more practical example of incorporating transactions in
applications, see
<a class="lg-ui-0001 leafygreen-ui-fgcsv5" href="#std-label-transactions-retry" target="_self">
<span>
Transaction Error Handling
</span>
</a>
instead.
</p>
</div>
</div>
<script class="structured_data" type="application/ld+json">
{"@context":"https://schema.org","@type":"SoftwareSourceCode","codeSampleType":"code snippet","text":"// Create collections:\ndb.getSiblingDB(\"mydb1\").foo.insertOne(\n {abc: 0},\n { writeConcern: { w: \"majority\", wtimeout: 2000 } }\n)\ndb.getSiblingDB(\"mydb2\").bar.insertOne(\n {xyz: 0},\n { writeConcern: { w: \"majority\", wtimeout: 2000 } }\n)\n\n// Start a session.\nsession = db.getMongo().startSession( { readPreference: { mode: \"primary\" } } );\n\ncoll1 = session.getDatabase(\"mydb1\").foo;\ncoll2 = session.getDatabase(\"mydb2\").bar;\n\n// Start a transaction\nsession.startTransaction( { readConcern: { level: \"local\" }, writeConcern: { w: \"majority\" } } );\n\n// Operations inside the transaction\ntry {\n coll1.insertOne( { abc: 1 } );\n coll2.insertOne( { xyz: 999 } );\n} catch (error) {\n // Abort transaction on error\n session.abortTransaction();\n throw error;\n}\n\n// Commit the transaction using write concern set at transaction start\nsession.commitTransaction();\n\nsession.endSession();","programmingLanguage":"JavaScript"}
</script>
<div class="css-1lju8ps">
<div class="leafygreen-ui-196mwvg">
<div class="leafygreen-ui-tyg50d">
<pre class="leafygreen-ui-1453az5" tabindex="0"><code class="lg-highlight-hljs-light javascript leafygreen-ui-9ybzas"><table class="leafygreen-ui-1tr4g10"><tbody><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// Create collections:</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">getSiblingDB</span>(<span class="lg-highlight-string">"mydb1"</span>).<span class="lg-highlight-property">foo</span>.<span class="lg-highlight-title lg-highlight-function">insertOne</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{<span class="lg-highlight-attr">abc</span>: <span class="lg-highlight-number">0</span>}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">writeConcern</span>: <!-- -->{ <span class="lg-highlight-attr">w</span>: <span class="lg-highlight-string">"majority"</span>, <span class="lg-highlight-attr">wtimeout</span>: <span class="lg-highlight-number">2000</span> } }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr><tr class=""><td class="leafygreen-ui-7razhx">db.<span class="lg-highlight-title lg-highlight-function">getSiblingDB</span>(<span class="lg-highlight-string">"mydb2"</span>).<span class="lg-highlight-property">bar</span>.<span class="lg-highlight-title lg-highlight-function">insertOne</span>(</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{<span class="lg-highlight-attr">xyz</span>: <span class="lg-highlight-number">0</span>}<!-- -->,</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->{ <span class="lg-highlight-attr">writeConcern</span>: <!-- -->{ <span class="lg-highlight-attr">w</span>: <span class="lg-highlight-string">"majority"</span>, <span class="lg-highlight-attr">wtimeout</span>: <span class="lg-highlight-number">2000</span> } }</td></tr><tr class=""><td class="leafygreen-ui-7razhx">)</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// Start a session.</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">session <!-- -->= <!-- -->db.<span class="lg-highlight-title lg-highlight-function">getMongo</span>(<!-- -->).<span class="lg-highlight-title lg-highlight-function">startSession</span>( <!-- -->{ <span class="lg-highlight-attr">readPreference</span>: <!-- -->{ <span class="lg-highlight-attr">mode</span>: <span class="lg-highlight-string">"primary"</span> } } )<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">coll1 <!-- -->= <!-- -->session.<span class="lg-highlight-title lg-highlight-function">getDatabase</span>(<span class="lg-highlight-string">"mydb1"</span>).<span class="lg-highlight-property">foo</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">coll2 <!-- -->= <!-- -->session.<span class="lg-highlight-title lg-highlight-function">getDatabase</span>(<span class="lg-highlight-string">"mydb2"</span>).<span class="lg-highlight-property">bar</span>;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">// Start a transaction</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">session.<span class="lg-highlight-title lg-highlight-function">startTransaction</span>( <!-- -->{ <span class="lg-highlight-attr">readConcern</span>: <!-- -->{ <span class="lg-highlight-attr">level</span>: <span class="lg-highlight-string">"local"</span> }<!-- -->, <span class="lg-highlight-attr">writeConcern</span>: <!-- -->{ <span class="lg-highlight-attr">w</span>: <span class="lg-highlight-string">"majority"</span> } } )<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Operations inside the </span><span class="lg-highlight-comment">transaction</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-keyword">try</span> <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->coll1.<span class="lg-highlight-title lg-highlight-function">insertOne</span>( <!-- -->{ <span class="lg-highlight-attr">abc</span>: <span class="lg-highlight-number">1</span> } )<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->coll2.<span class="lg-highlight-title lg-highlight-function">insertOne</span>( <!-- -->{ <span class="lg-highlight-attr">xyz</span>: <span class="lg-highlight-number">999</span> } )<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">} <span class="lg-highlight-keyword">catch</span> <!-- -->(<!-- -->error) <!-- -->{</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Abort transaction on </span><span class="lg-highlight-comment">error</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <!-- -->session.<span class="lg-highlight-title lg-highlight-function">abortTransaction</span>(<!-- -->)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"> <span class="lg-highlight-keyword">throw</span> <!-- -->error<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx">}</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx"><span class="lg-highlight-comment">//</span><span class="lg-highlight-comment"> Commit the transaction </span><span class="lg-highlight-comment">using</span><span class="lg-highlight-comment"> write concern set </span><span class="lg-highlight-comment">at transaction start</span></td></tr><tr class=""><td class="leafygreen-ui-7razhx">session.<span class="lg-highlight-title lg-highlight-function">commitTransaction</span>(<!-- -->)<!-- -->;</td></tr><tr class=""><td class="leafygreen-ui-7razhx"><div class="leafygreen-ui-ihxujy"></div></td></tr><tr class=""><td class="leafygreen-ui-7razhx">session.<span class="lg-highlight-title lg-highlight-function">endSession</span>(<!-- -->)<!-- -->;</td></tr></tbody></table></code></pre>
</div>
</div>
</div>
</section>
</section>
</section>
|
